Mock Version: 2.2
ENTER ['do_with_status'](['bash', '--login', '-c', '/usr/bin/rpmbuild -bs --target x86_64 --nodeps /builddir/build/SPECS/libsemigroups.spec'], chrootPath='/var/lib/mock/fedora-rawhide-x86_64-1586444142.628015/root'env={'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'C.UTF-8'}shell=Falselogger=<mockbuild.trace_decorator.getLog object at 0x7f4ede741d10>timeout=0uid=1001gid=135user='mockbuild'nspawn_args=['--capability=cap_ipc_lock', '--rlimit=RLIMIT_NOFILE=10240', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.ybu7y_ip:/etc/resolv.conf', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11']unshare_net=TrueprintOutput=True)
Using nspawn with args ['--capability=cap_ipc_lock', '--rlimit=RLIMIT_NOFILE=10240', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.ybu7y_ip:/etc/resolv.conf', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11']
Executing command: ['/usr/bin/systemd-nspawn', '-q', '-M', '60d4386c15b647d8a702cfb1834f2841', '-D', '/var/lib/mock/fedora-rawhide-x86_64-1586444142.628015/root', '-a', '-u', 'mockbuild', '--capability=cap_ipc_lock', '--rlimit=RLIMIT_NOFILE=10240', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.ybu7y_ip:/etc/resolv.conf', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11', '--console=pipe', '--setenv=TERM=vt100', '--setenv=SHELL=/bin/bash', '--setenv=HOME=/builddir', '--setenv=HOSTNAME=mock', '--setenv=PATH=/usr/bin:/bin:/usr/sbin:/sbin', '--setenv=PROMPT_COMMAND=printf "\\033]0;<mock-chroot>\\007"', '--setenv=PS1=<mock-chroot> \\s-\\v\\$ ', '--setenv=LANG=C.UTF-8', 'bash', '--login', '-c', '/usr/bin/rpmbuild -bs --target x86_64 --nodeps /builddir/build/SPECS/libsemigroups.spec'] with env {'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'C.UTF-8', 'SYSTEMD_NSPAWN_TMPFS_TMP': '0'} and shell False
Building target platforms: x86_64
Building for target x86_64
setting SOURCE_DATE_EPOCH=1584748800
Wrote: /builddir/build/SRPMS/libsemigroups-1.0.7-1.fc33.src.rpm
Child return code was: 0
ENTER ['do_with_status'](['bash', '--login', '-c', '/usr/bin/rpmbuild -bb --target x86_64 --nodeps /builddir/build/SPECS/libsemigroups.spec'], chrootPath='/var/lib/mock/fedora-rawhide-x86_64-1586444142.628015/root'env={'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'C.UTF-8'}shell=Falselogger=<mockbuild.trace_decorator.getLog object at 0x7f4ede741d10>timeout=0uid=1001gid=135user='mockbuild'nspawn_args=['--capability=cap_ipc_lock', '--rlimit=RLIMIT_NOFILE=10240', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.ybu7y_ip:/etc/resolv.conf', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11']unshare_net=TrueprintOutput=True)
Using nspawn with args ['--capability=cap_ipc_lock', '--rlimit=RLIMIT_NOFILE=10240', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.ybu7y_ip:/etc/resolv.conf', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11']
Executing command: ['/usr/bin/systemd-nspawn', '-q', '-M', '1030b36390844e308f08c4ca2f962627', '-D', '/var/lib/mock/fedora-rawhide-x86_64-1586444142.628015/root', '-a', '-u', 'mockbuild', '--capability=cap_ipc_lock', '--rlimit=RLIMIT_NOFILE=10240', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.ybu7y_ip:/etc/resolv.conf', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11', '--console=pipe', '--setenv=TERM=vt100', '--setenv=SHELL=/bin/bash', '--setenv=HOME=/builddir', '--setenv=HOSTNAME=mock', '--setenv=PATH=/usr/bin:/bin:/usr/sbin:/sbin', '--setenv=PROMPT_COMMAND=printf "\\033]0;<mock-chroot>\\007"', '--setenv=PS1=<mock-chroot> \\s-\\v\\$ ', '--setenv=LANG=C.UTF-8', 'bash', '--login', '-c', '/usr/bin/rpmbuild -bb --target x86_64 --nodeps /builddir/build/SPECS/libsemigroups.spec'] with env {'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'C.UTF-8', 'SYSTEMD_NSPAWN_TMPFS_TMP': '0'} and shell False
Building target platforms: x86_64
Building for target x86_64
setting SOURCE_DATE_EPOCH=1584748800
Executing(%prep): /bin/sh -e /var/tmp/rpm-tmp.OiMxkx
+ umask 022
+ cd /builddir/build/BUILD
+ cd /builddir/build/BUILD
+ rm -rf libsemigroups-1.0.7
+ /usr/bin/gzip -dc /builddir/build/SOURCES/libsemigroups-1.0.7.tar.gz
+ /usr/bin/tar -xof -
+ STATUS=0
+ '[' 0 -ne 0 ']'
+ cd libsemigroups-1.0.7
+ /usr/bin/chmod -Rf a+rX,u+w,g-w,o-w .
+ RPM_EC=0
++ jobs -p
+ exit 0
Executing(%build): /bin/sh -e /var/tmp/rpm-tmp.fl3Cgv
+ umask 022
+ cd /builddir/build/BUILD
+ cd libsemigroups-1.0.7
+ export 'CFLAGS=-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fwrapv'
+ CFLAGS='-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fwrapv'
+ export 'CXXFLAGS=-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fwrapv'
+ CXXFLAGS='-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fwrapv'
+ CFLAGS='-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fwrapv'
+ export CFLAGS
+ CXXFLAGS='-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fwrapv'
+ export CXXFLAGS
+ FFLAGS='-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -I/usr/lib64/gfortran/modules'
+ export FFLAGS
+ FCFLAGS='-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -I/usr/lib64/gfortran/modules'
+ export FCFLAGS
+ LDFLAGS='-Wl,-z,relro -Wl,--as-needed  -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld'
+ export LDFLAGS
+ LT_SYS_LIBRARY_PATH=/usr/lib64:
+ export LT_SYS_LIBRARY_PATH
+ '[' 1 = 1 ']'
+++ dirname ./configure
++ find . -name config.guess -o -name config.sub
+ for i in $(find $(dirname ./configure) -name config.guess -o -name config.sub)
++ basename ./config/config.sub
+ '[' -f /usr/lib/rpm/redhat/config.sub ']'
+ /usr/bin/rm -f ./config/config.sub
++ basename ./config/config.sub
+ /usr/bin/cp -fv /usr/lib/rpm/redhat/config.sub ./config/config.sub
'/usr/lib/rpm/redhat/config.sub' -> './config/config.sub'
+ for i in $(find $(dirname ./configure) -name config.guess -o -name config.sub)
++ basename ./config/config.guess
+ '[' -f /usr/lib/rpm/redhat/config.guess ']'
+ /usr/bin/rm -f ./config/config.guess
++ basename ./config/config.guess
+ /usr/bin/cp -fv /usr/lib/rpm/redhat/config.guess ./config/config.guess
'/usr/lib/rpm/redhat/config.guess' -> './config/config.guess'
+ '[' 1 = 1 ']'
+ '[' x '!=' 'x-Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld' ']'
++ find . -name ltmain.sh
+ for i in $(find . -name ltmain.sh)
+ /usr/bin/sed -i.backup -e 's~compiler_flags=$~compiler_flags="-Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld"~' ./config/ltmain.sh
+ ./configure --build=x86_64-redhat-linux-gnu --host=x86_64-redhat-linux-gnu --program-prefix= --disable-dependency-tracking --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc --datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib64 --libexecdir=/usr/libexec --localstatedir=/var --sharedstatedir=/var/lib --mandir=/usr/share/man --infodir=/usr/share/info --disable-silent-rules --disable-static --disable-hpcombi --with-external-fmt
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... /usr/bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking whether make supports nested variables... yes
checking whether make supports nested variables... (cached) yes
checking whether make supports the include directive... yes (GNU style)
checking for x86_64-redhat-linux-gnu-gcc... no
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking whether gcc understands -c and -o together... yes
checking dependency style of gcc... none
checking for x86_64-redhat-linux-gnu-ar... no
checking for x86_64-redhat-linux-gnu-lib... no
checking for x86_64-redhat-linux-gnu-link... no
checking for ar... ar
checking the archiver (ar) interface... ar
checking for x86_64-redhat-linux-gnu-g++... no
checking for x86_64-redhat-linux-gnu-c++... no
checking for x86_64-redhat-linux-gnu-gpp... no
checking for x86_64-redhat-linux-gnu-aCC... no
checking for x86_64-redhat-linux-gnu-CC... no
checking for x86_64-redhat-linux-gnu-cxx... no
checking for x86_64-redhat-linux-gnu-cc++... no
checking for x86_64-redhat-linux-gnu-cl.exe... no
checking for x86_64-redhat-linux-gnu-FCC... no
checking for x86_64-redhat-linux-gnu-KCC... no
checking for x86_64-redhat-linux-gnu-RCC... no
checking for x86_64-redhat-linux-gnu-xlC_r... no
checking for x86_64-redhat-linux-gnu-xlC... no
checking for g++... g++
checking whether we are using the GNU C++ compiler... yes
checking whether g++ accepts -g... yes
checking dependency style of g++... none
checking whether g++ supports C++11 features by default... yes
checking build system type... x86_64-redhat-linux-gnu
checking host system type... x86_64-redhat-linux-gnu
checking for a sed that does not truncate output... /usr/bin/sed
checking how to run the C preprocessor... gcc -E
checking for grep that handles long lines and -e... /usr/bin/grep
checking for egrep... /usr/bin/grep -E
checking whether gcc is Clang... no
checking whether pthreads work with -pthread... yes
checking for joinable pthread attribute... PTHREAD_CREATE_JOINABLE
checking whether more special flags are required for pthreads... no
checking for PTHREAD_PRIO_INHERIT... yes
checking for pthread_create in -lpthread... yes
checking whether to enable maintainer-specific portions of Makefiles... no
checking whether ln -s works... yes
checking how to print strings... printf
checking for a sed that does not truncate output... (cached) /usr/bin/sed
checking for fgrep... /usr/bin/grep -F
checking for ld used by gcc... /usr/bin/ld
checking if the linker (/usr/bin/ld) is GNU ld... yes
checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm -B
checking the name lister (/usr/bin/nm -B) interface... BSD nm
checking the maximum length of command line arguments... 1572864
checking how to convert x86_64-redhat-linux-gnu file names to x86_64-redhat-linux-gnu format... func_convert_file_noop
checking how to convert x86_64-redhat-linux-gnu file names to toolchain format... func_convert_file_noop
checking for /usr/bin/ld option to reload object files... -r
checking for x86_64-redhat-linux-gnu-objdump... no
checking for objdump... objdump
checking how to recognize dependent libraries... pass_all
checking for x86_64-redhat-linux-gnu-dlltool... no
checking for dlltool... no
checking how to associate runtime and link libraries... printf %s\n
checking for x86_64-redhat-linux-gnu-ar... ar
checking for archiver @FILE support... @
checking for x86_64-redhat-linux-gnu-strip... no
checking for strip... strip
checking for x86_64-redhat-linux-gnu-ranlib... no
checking for ranlib... ranlib
checking command to parse /usr/bin/nm -B output from gcc object... ok
checking for sysroot... no
checking for a working dd... /usr/bin/dd
checking how to truncate binary pipes... /usr/bin/dd bs=4096 count=1
checking for x86_64-redhat-linux-gnu-mt... no
checking for mt... no
checking if : is a manifest tool... no
checking for ANSI C header files... no
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking for dlfcn.h... yes
checking for objdir... .libs
checking if gcc supports -fno-rtti -fno-exceptions... no
checking for gcc option to produce PIC... -fPIC -DPIC
checking if gcc PIC flag -fPIC -DPIC works... yes
checking if gcc static flag -static works... no
checking if gcc supports -c -o file.o... yes
checking if gcc supports -c -o file.o... (cached) yes
checking whether the gcc linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes
checking whether -lc should be explicitly linked in... no
checking dynamic linker characteristics... GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... no
checking how to run the C++ preprocessor... g++ -E
checking for ld used by g++... /usr/bin/ld -m elf_x86_64
checking if the linker (/usr/bin/ld -m elf_x86_64) is GNU ld... yes
checking whether the g++ linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes
checking for g++ option to produce PIC... -fPIC -DPIC
checking if g++ PIC flag -fPIC -DPIC works... yes
checking if g++ static flag -static works... no
checking if g++ supports -c -o file.o... yes
checking if g++ supports -c -o file.o... (cached) yes
checking whether the g++ linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes
checking dynamic linker characteristics... (cached) GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
checking limits.h usability... yes
checking limits.h presence... yes
checking for limits.h... yes
checking for stdint.h... (cached) yes
checking for stdlib.h... (cached) yes
checking sys/time.h usability... yes
checking sys/time.h presence... yes
checking for sys/time.h... yes
checking for unistd.h... (cached) yes
checking pthread.h usability... yes
checking pthread.h presence... yes
checking for pthread.h... yes
checking for stdbool.h that conforms to C99... no
checking for _Bool... no
checking for inline... inline
checking for int64_t... yes
checking for size_t... yes
checking for uint64_t... yes
checking for ptrdiff_t... no
checking size of void *... 8
checking for stdlib.h... (cached) yes
checking for GNU libc compatible malloc... yes
checking for gettimeofday... yes
checking for memset... yes
checking for pow... yes
checking for sqrt... yes
checking whether to enable debug mode... no
checking whether to enable verbose mode... no
checking whether enable compiler warnings... no
checking whether to build with code coverage support... no
checking whether to enable HPCombi... no
checking for x86_64-redhat-linux-gnu-pkg-config... /usr/bin/x86_64-redhat-linux-gnu-pkg-config
checking pkg-config is at least version 0.9.0... yes
checking whether to use external fmt... yes
checking for fmt >= 5.3.0... yes
checking that generated files are newer than configure... done
configure: creating ./config.status
config.status: creating Makefile
config.status: creating libsemigroups.pc
config.status: creating config/config.h
config.status: executing depfiles commands
config.status: executing include/libsemigroups/libsemigroups-config.hpp commands
config.status: creating include/libsemigroups/libsemigroups-config.hpp - prefix LIBSEMIGROUPS for config/config.h defines
config.status: executing libtool commands
+ sed -e 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' -e 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' -e 's|CC="\(.*g..\)"|CC="\1 -Wl,--as-needed"|' -i libtool
+ /usr/bin/make -O -j2 V=1 VERBOSE=1
/bin/sh ./libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I./config  -DNDEBUG   -DFMT_HEADER_ONLY   -I/builddir/build/BUILD/libsemigroups-1.0.7 -I/builddir/build/BUILD/libsemigroups-1.0.7/include -I/builddir/build/BUILD/libsemigroups-1.0.7/extern/HPCombi/include -I/builddir/build/BUILD/libsemigroups-1.0.7/extern/HPCombi/include/fallback -std=gnu++11 -g -O3 -Wall -Wextra     -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fwrapv -c -o src/libsemigroups_la-blocks.lo `test -f 'src/blocks.cpp' || echo './'`src/blocks.cpp
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I./config -DNDEBUG -DFMT_HEADER_ONLY -I/builddir/build/BUILD/libsemigroups-1.0.7 -I/builddir/build/BUILD/libsemigroups-1.0.7/include -I/builddir/build/BUILD/libsemigroups-1.0.7/extern/HPCombi/include -I/builddir/build/BUILD/libsemigroups-1.0.7/extern/HPCombi/include/fallback -std=gnu++11 -g -O3 -Wall -Wextra -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fwrapv -c src/blocks.cpp  -fPIC -DPIC -o src/.libs/libsemigroups_la-blocks.o
/bin/sh ./libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I./config  -DNDEBUG   -DFMT_HEADER_ONLY   -I/builddir/build/BUILD/libsemigroups-1.0.7 -I/builddir/build/BUILD/libsemigroups-1.0.7/include -I/builddir/build/BUILD/libsemigroups-1.0.7/extern/HPCombi/include -I/builddir/build/BUILD/libsemigroups-1.0.7/extern/HPCombi/include/fallback -std=gnu++11 -g -O3 -Wall -Wextra     -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fwrapv -c -o src/libsemigroups_la-bmat8.lo `test -f 'src/bmat8.cpp' || echo './'`src/bmat8.cpp
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I./config -DNDEBUG -DFMT_HEADER_ONLY -I/builddir/build/BUILD/libsemigroups-1.0.7 -I/builddir/build/BUILD/libsemigroups-1.0.7/include -I/builddir/build/BUILD/libsemigroups-1.0.7/extern/HPCombi/include -I/builddir/build/BUILD/libsemigroups-1.0.7/extern/HPCombi/include/fallback -std=gnu++11 -g -O3 -Wall -Wextra -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fwrapv -c src/bmat8.cpp  -fPIC -DPIC -o src/.libs/libsemigroups_la-bmat8.o
/bin/sh ./libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I./config  -DNDEBUG   -DFMT_HEADER_ONLY   -I/builddir/build/BUILD/libsemigroups-1.0.7 -I/builddir/build/BUILD/libsemigroups-1.0.7/include -I/builddir/build/BUILD/libsemigroups-1.0.7/extern/HPCombi/include -I/builddir/build/BUILD/libsemigroups-1.0.7/extern/HPCombi/include/fallback -std=gnu++11 -g -O3 -Wall -Wextra     -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fwrapv -c -o src/libsemigroups_la-cong-intf.lo `test -f 'src/cong-intf.cpp' || echo './'`src/cong-intf.cpp
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I./config -DNDEBUG -DFMT_HEADER_ONLY -I/builddir/build/BUILD/libsemigroups-1.0.7 -I/builddir/build/BUILD/libsemigroups-1.0.7/include -I/builddir/build/BUILD/libsemigroups-1.0.7/extern/HPCombi/include -I/builddir/build/BUILD/libsemigroups-1.0.7/extern/HPCombi/include/fallback -std=gnu++11 -g -O3 -Wall -Wextra -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fwrapv -c src/cong-intf.cpp  -fPIC -DPIC -o src/.libs/libsemigroups_la-cong-intf.o
/bin/sh ./libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I./config  -DNDEBUG   -DFMT_HEADER_ONLY   -I/builddir/build/BUILD/libsemigroups-1.0.7 -I/builddir/build/BUILD/libsemigroups-1.0.7/include -I/builddir/build/BUILD/libsemigroups-1.0.7/extern/HPCombi/include -I/builddir/build/BUILD/libsemigroups-1.0.7/extern/HPCombi/include/fallback -std=gnu++11 -g -O3 -Wall -Wextra     -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fwrapv -c -o src/libsemigroups_la-cong-pair.lo `test -f 'src/cong-pair.cpp' || echo './'`src/cong-pair.cpp
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I./config -DNDEBUG -DFMT_HEADER_ONLY -I/builddir/build/BUILD/libsemigroups-1.0.7 -I/builddir/build/BUILD/libsemigroups-1.0.7/include -I/builddir/build/BUILD/libsemigroups-1.0.7/extern/HPCombi/include -I/builddir/build/BUILD/libsemigroups-1.0.7/extern/HPCombi/include/fallback -std=gnu++11 -g -O3 -Wall -Wextra -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fwrapv -c src/cong-pair.cpp  -fPIC -DPIC -o src/.libs/libsemigroups_la-cong-pair.o
In file included from /usr/include/fmt/ostream.h:12,
                 from /usr/include/fmt/printf.h:14,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/libsemigroups-exception.hpp:32,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/runner.hpp:31,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/fpsemi-intf.hpp:40,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong-intf.hpp:29,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong-pair.hpp:77,
                 from src/cong-pair.cpp:19:
/usr/include/fmt/format.h: In instantiation of 'decltype (ctx.out()) fmt::v6::formatter<T, Char, typename std::enable_if<(fmt::v6::internal::type_constant<T, Char>::value != fmt::v6::internal::type::custom_type), void>::type>::format(const T&, FormatContext&) [with FormatContext = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; T = fmt::v6::basic_string_view<char>; Char = char; typename std::enable_if<(fmt::v6::internal::type_constant<T, Char>::value != fmt::v6::internal::type::custom_type), void>::type = void; decltype (ctx.out()) = std::back_insert_iterator<fmt::v6::internal::buffer<char> >]':
/usr/include/fmt/ostream.h:113:60:   required from 'decltype (ctx.out()) fmt::v6::internal::fallback_formatter<T, Char, typename std::enable_if<fmt::v6::internal::is_streamable<T, Char>::value, void>::type>::format(const T&, Context&) [with Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; T = libsemigroups::detail::Timer; Char = char; typename std::enable_if<fmt::v6::internal::is_streamable<T, Char>::value, void>::type = void; decltype (ctx.out()) = std::back_insert_iterator<fmt::v6::internal::buffer<char> >]'
/usr/include/fmt/core.h:898:28:   required from 'static void fmt::v6::internal::value<Context>::format_custom_arg(const void*, fmt::v6::basic_format_parse_context<typename Context::char_type>&, Context&) [with T = libsemigroups::detail::Timer; Formatter = fmt::v6::internal::fallback_formatter<libsemigroups::detail::Timer, char, void>; Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; typename Context::char_type = char]'
/usr/include/fmt/core.h:882:19:   required from 'fmt::v6::internal::value<Context>::value(const T&) [with T = libsemigroups::detail::Timer; Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>]'
/usr/include/fmt/core.h:1213:39:   required from 'fmt::v6::internal::value<Context> fmt::v6::internal::make_arg(const T&) [with bool IS_PACKED = true; Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; T = libsemigroups::detail::Timer; typename std::enable_if<IS_PACKED, int>::type <anonymous> = 0]'
/usr/include/fmt/core.h:1349:53:   required from 'fmt::v6::format_arg_store<Context, Args>::format_arg_store(const Args& ...) [with Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; Args = {const char*, libsemigroups::detail::Timer}]'
/usr/include/fmt/core.h:1364:18:   required from 'fmt::v6::format_arg_store<Context, Args ...> fmt::v6::make_format_args(const Args& ...) [with Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; Args = {const char*, libsemigroups::detail::Timer}]'
/usr/include/fmt/printf.h:625:68:   required from 'std::__cxx11::basic_string<Char> fmt::v6::sprintf(const S&, const Args& ...) [with S = const char*; Args = {const char*, libsemigroups::detail::Timer}; Char = char]'
/builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/report.hpp:389:40:   required from 'libsemigroups::detail::Reporter& libsemigroups::detail::Reporter::operator()(TArgs ...) [with TArgs = {const char*, const char*, libsemigroups::detail::Timer}]'
/builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong-pair-impl.hpp:247:5:   required from 'void libsemigroups::CongruenceByPairs<TElementType, TElementHash, TElementEqual, TElementProduct, TFroidurePinType>::run_impl() [with TElementType = libsemigroups::detail::KBE; TElementHash = libsemigroups::Hash<libsemigroups::detail::KBE, void>; TElementEqual = libsemigroups::EqualTo<libsemigroups::detail::KBE, void>; TElementProduct = libsemigroups::Product<libsemigroups::detail::KBE, void>; TFroidurePinType = libsemigroups::FroidurePin<libsemigroups::detail::KBE, libsemigroups::FroidurePinTraits<libsemigroups::detail::KBE> >]'
src/cong-pair.cpp:54:15:   required from here
/usr/include/fmt/format.h:3012:29: error: no matching function for call to 'fmt::v6::arg_formatter<fmt::v6::internal::output_range<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char> >::arg_formatter(fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>&, std::nullptr_t, fmt::v6::internal::dynamic_format_specs<char>*)'
 3012 |     return visit_format_arg(arg_formatter<range_type>(ctx, nullptr, &specs_),
      |                             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/fmt/format.h:2764:12: note: candidate: 'fmt::v6::arg_formatter<Range>::arg_formatter(fmt::v6::arg_formatter<Range>::context_type&, fmt::v6::basic_format_parse_context<typename Range::value_type>*, fmt::v6::arg_formatter<Range>::format_specs*) [with Range = fmt::v6::internal::output_range<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; fmt::v6::arg_formatter<Range>::context_type = fmt::v6::basic_format_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; typename Range::value_type = char; fmt::v6::arg_formatter<Range>::format_specs = fmt::v6::basic_format_specs<char>]'
 2764 |   explicit arg_formatter(
      |            ^~~~~~~~~~~~~
/usr/include/fmt/format.h:2765:21: note:   no known conversion for argument 1 from 'fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>' to 'fmt::v6::arg_formatter<fmt::v6::internal::output_range<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char> >::context_type&' {aka 'fmt::v6::basic_format_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>&'}
 2765 |       context_type& ctx,
      |       ~~~~~~~~~~~~~~^~~
/usr/include/fmt/format.h:2743:7: note: candidate: 'constexpr fmt::v6::arg_formatter<fmt::v6::internal::output_range<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char> >::arg_formatter(const fmt::v6::arg_formatter<fmt::v6::internal::output_range<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char> >&)'
 2743 | class arg_formatter : public internal::arg_formatter_base<Range> {
      |       ^~~~~~~~~~~~~
/usr/include/fmt/format.h:2743:7: note:   candidate expects 1 argument, 3 provided
/usr/include/fmt/format.h:2743:7: note: candidate: 'constexpr fmt::v6::arg_formatter<fmt::v6::internal::output_range<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char> >::arg_formatter(fmt::v6::arg_formatter<fmt::v6::internal::output_range<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char> >&&)'
/usr/include/fmt/format.h:2743:7: note:   candidate expects 1 argument, 3 provided
/usr/include/fmt/format.h: In instantiation of 'void fmt::v6::internal::handle_dynamic_spec(int&, fmt::v6::internal::arg_ref<typename Context::char_type>, Context&) [with Handler = fmt::v6::internal::width_checker; Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; typename Context::char_type = char]':
/usr/include/fmt/format.h:3005:59:   required from 'decltype (ctx.out()) fmt::v6::formatter<T, Char, typename std::enable_if<(fmt::v6::internal::type_constant<T, Char>::value != fmt::v6::internal::type::custom_type), void>::type>::format(const T&, FormatContext&) [with FormatContext = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; T = fmt::v6::basic_string_view<char>; Char = char; typename std::enable_if<(fmt::v6::internal::type_constant<T, Char>::value != fmt::v6::internal::type::custom_type), void>::type = void; decltype (ctx.out()) = std::back_insert_iterator<fmt::v6::internal::buffer<char> >]'
/usr/include/fmt/ostream.h:113:60:   required from 'decltype (ctx.out()) fmt::v6::internal::fallback_formatter<T, Char, typename std::enable_if<fmt::v6::internal::is_streamable<T, Char>::value, void>::type>::format(const T&, Context&) [with Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; T = libsemigroups::detail::Timer; Char = char; typename std::enable_if<fmt::v6::internal::is_streamable<T, Char>::value, void>::type = void; decltype (ctx.out()) = std::back_insert_iterator<fmt::v6::internal::buffer<char> >]'
/usr/include/fmt/core.h:898:28:   required from 'static void fmt::v6::internal::value<Context>::format_custom_arg(const void*, fmt::v6::basic_format_parse_context<typename Context::char_type>&, Context&) [with T = libsemigroups::detail::Timer; Formatter = fmt::v6::internal::fallback_formatter<libsemigroups::detail::Timer, char, void>; Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; typename Context::char_type = char]'
/usr/include/fmt/core.h:882:19:   required from 'fmt::v6::internal::value<Context>::value(const T&) [with T = libsemigroups::detail::Timer; Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>]'
/usr/include/fmt/core.h:1213:39:   required from 'fmt::v6::internal::value<Context> fmt::v6::internal::make_arg(const T&) [with bool IS_PACKED = true; Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; T = libsemigroups::detail::Timer; typename std::enable_if<IS_PACKED, int>::type <anonymous> = 0]'
/usr/include/fmt/core.h:1349:53:   required from 'fmt::v6::format_arg_store<Context, Args>::format_arg_store(const Args& ...) [with Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; Args = {const char*, libsemigroups::detail::Timer}]'
/usr/include/fmt/core.h:1364:18:   required from 'fmt::v6::format_arg_store<Context, Args ...> fmt::v6::make_format_args(const Args& ...) [with Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; Args = {const char*, libsemigroups::detail::Timer}]'
/usr/include/fmt/printf.h:625:68:   required from 'std::__cxx11::basic_string<Char> fmt::v6::sprintf(const S&, const Args& ...) [with S = const char*; Args = {const char*, libsemigroups::detail::Timer}; Char = char]'
/builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/report.hpp:389:40:   required from 'libsemigroups::detail::Reporter& libsemigroups::detail::Reporter::operator()(TArgs ...) [with TArgs = {const char*, const char*, libsemigroups::detail::Timer}]'
/builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong-pair-impl.hpp:247:5:   required from 'void libsemigroups::CongruenceByPairs<TElementType, TElementHash, TElementEqual, TElementProduct, TFroidurePinType>::run_impl() [with TElementType = libsemigroups::detail::KBE; TElementHash = libsemigroups::Hash<libsemigroups::detail::KBE, void>; TElementEqual = libsemigroups::EqualTo<libsemigroups::detail::KBE, void>; TElementProduct = libsemigroups::Product<libsemigroups::detail::KBE, void>; TFroidurePinType = libsemigroups::FroidurePin<libsemigroups::detail::KBE, libsemigroups::FroidurePinTraits<libsemigroups::detail::KBE> >]'
src/cong-pair.cpp:54:15:   required from here
/usr/include/fmt/format.h:2717:53: error: 'class fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>' has no member named 'error_handler'
 2717 |                                                 ctx.error_handler());
      |                                                 ~~~~^~~~~~~~~~~~~
/usr/include/fmt/format.h:2720:65: error: cannot convert 'fmt::v6::basic_string_view<char>' to 'int'
 2720 |     value = internal::get_dynamic_spec<Handler>(ctx.arg(ref.val.name),
      |                                                         ~~~~~~~~^~~~
      |                                                                 |
      |                                                                 fmt::v6::basic_string_view<char>
In file included from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/libsemigroups-exception.hpp:32,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/runner.hpp:31,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/fpsemi-intf.hpp:40,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong-intf.hpp:29,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong-pair.hpp:77,
                 from src/cong-pair.cpp:19:
/usr/include/fmt/printf.h:363:22: note:   initializing argument 1 of 'fmt::v6::basic_printf_context<OutputIt, Char>::format_arg fmt::v6::basic_printf_context<OutputIt, Char>::arg(int) const [with OutputIt = std::back_insert_iterator<fmt::v6::internal::buffer<char> >; Char = char; fmt::v6::basic_printf_context<OutputIt, Char>::format_arg = fmt::v6::basic_format_arg<fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char> >]'
  363 |   format_arg arg(int id) const { return args_.get(id); }
      |                  ~~~~^~
In file included from /usr/include/fmt/ostream.h:12,
                 from /usr/include/fmt/printf.h:14,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/libsemigroups-exception.hpp:32,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/runner.hpp:31,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/fpsemi-intf.hpp:40,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong-intf.hpp:29,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong-pair.hpp:77,
                 from src/cong-pair.cpp:19:
/usr/include/fmt/format.h:2721:53: error: 'class fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>' has no member named 'error_handler'
 2721 |                                                 ctx.error_handler());
      |                                                 ~~~~^~~~~~~~~~~~~
/usr/include/fmt/format.h: In instantiation of 'void fmt::v6::internal::handle_dynamic_spec(int&, fmt::v6::internal::arg_ref<typename Context::char_type>, Context&) [with Handler = fmt::v6::internal::precision_checker; Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; typename Context::char_type = char]':
/usr/include/fmt/format.h:3007:63:   required from 'decltype (ctx.out()) fmt::v6::formatter<T, Char, typename std::enable_if<(fmt::v6::internal::type_constant<T, Char>::value != fmt::v6::internal::type::custom_type), void>::type>::format(const T&, FormatContext&) [with FormatContext = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; T = fmt::v6::basic_string_view<char>; Char = char; typename std::enable_if<(fmt::v6::internal::type_constant<T, Char>::value != fmt::v6::internal::type::custom_type), void>::type = void; decltype (ctx.out()) = std::back_insert_iterator<fmt::v6::internal::buffer<char> >]'
/usr/include/fmt/ostream.h:113:60:   required from 'decltype (ctx.out()) fmt::v6::internal::fallback_formatter<T, Char, typename std::enable_if<fmt::v6::internal::is_streamable<T, Char>::value, void>::type>::format(const T&, Context&) [with Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; T = libsemigroups::detail::Timer; Char = char; typename std::enable_if<fmt::v6::internal::is_streamable<T, Char>::value, void>::type = void; decltype (ctx.out()) = std::back_insert_iterator<fmt::v6::internal::buffer<char> >]'
/usr/include/fmt/core.h:898:28:   required from 'static void fmt::v6::internal::value<Context>::format_custom_arg(const void*, fmt::v6::basic_format_parse_context<typename Context::char_type>&, Context&) [with T = libsemigroups::detail::Timer; Formatter = fmt::v6::internal::fallback_formatter<libsemigroups::detail::Timer, char, void>; Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; typename Context::char_type = char]'
/usr/include/fmt/core.h:882:19:   required from 'fmt::v6::internal::value<Context>::value(const T&) [with T = libsemigroups::detail::Timer; Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>]'
/usr/include/fmt/core.h:1213:39:   required from 'fmt::v6::internal::value<Context> fmt::v6::internal::make_arg(const T&) [with bool IS_PACKED = true; Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; T = libsemigroups::detail::Timer; typename std::enable_if<IS_PACKED, int>::type <anonymous> = 0]'
/usr/include/fmt/core.h:1349:53:   required from 'fmt::v6::format_arg_store<Context, Args>::format_arg_store(const Args& ...) [with Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; Args = {const char*, libsemigroups::detail::Timer}]'
/usr/include/fmt/core.h:1364:18:   required from 'fmt::v6::format_arg_store<Context, Args ...> fmt::v6::make_format_args(const Args& ...) [with Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; Args = {const char*, libsemigroups::detail::Timer}]'
/usr/include/fmt/printf.h:625:68:   required from 'std::__cxx11::basic_string<Char> fmt::v6::sprintf(const S&, const Args& ...) [with S = const char*; Args = {const char*, libsemigroups::detail::Timer}; Char = char]'
/builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/report.hpp:389:40:   required from 'libsemigroups::detail::Reporter& libsemigroups::detail::Reporter::operator()(TArgs ...) [with TArgs = {const char*, const char*, libsemigroups::detail::Timer}]'
/builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong-pair-impl.hpp:247:5:   required from 'void libsemigroups::CongruenceByPairs<TElementType, TElementHash, TElementEqual, TElementProduct, TFroidurePinType>::run_impl() [with TElementType = libsemigroups::detail::KBE; TElementHash = libsemigroups::Hash<libsemigroups::detail::KBE, void>; TElementEqual = libsemigroups::EqualTo<libsemigroups::detail::KBE, void>; TElementProduct = libsemigroups::Product<libsemigroups::detail::KBE, void>; TFroidurePinType = libsemigroups::FroidurePin<libsemigroups::detail::KBE, libsemigroups::FroidurePinTraits<libsemigroups::detail::KBE> >]'
src/cong-pair.cpp:54:15:   required from here
/usr/include/fmt/format.h:2717:53: error: 'class fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>' has no member named 'error_handler'
 2717 |                                                 ctx.error_handler());
      |                                                 ~~~~^~~~~~~~~~~~~
/usr/include/fmt/format.h:2720:65: error: cannot convert 'fmt::v6::basic_string_view<char>' to 'int'
 2720 |     value = internal::get_dynamic_spec<Handler>(ctx.arg(ref.val.name),
      |                                                         ~~~~~~~~^~~~
      |                                                                 |
      |                                                                 fmt::v6::basic_string_view<char>
In file included from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/libsemigroups-exception.hpp:32,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/runner.hpp:31,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/fpsemi-intf.hpp:40,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong-intf.hpp:29,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong-pair.hpp:77,
                 from src/cong-pair.cpp:19:
/usr/include/fmt/printf.h:363:22: note:   initializing argument 1 of 'fmt::v6::basic_printf_context<OutputIt, Char>::format_arg fmt::v6::basic_printf_context<OutputIt, Char>::arg(int) const [with OutputIt = std::back_insert_iterator<fmt::v6::internal::buffer<char> >; Char = char; fmt::v6::basic_printf_context<OutputIt, Char>::format_arg = fmt::v6::basic_format_arg<fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char> >]'
  363 |   format_arg arg(int id) const { return args_.get(id); }
      |                  ~~~~^~
In file included from /usr/include/fmt/ostream.h:12,
                 from /usr/include/fmt/printf.h:14,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/libsemigroups-exception.hpp:32,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/runner.hpp:31,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/fpsemi-intf.hpp:40,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong-intf.hpp:29,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong-pair.hpp:77,
                 from src/cong-pair.cpp:19:
/usr/include/fmt/format.h:2721:53: error: 'class fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>' has no member named 'error_handler'
 2721 |                                                 ctx.error_handler());
      |                                                 ~~~~^~~~~~~~~~~~~
make: *** [Makefile:1561: src/libsemigroups_la-cong-pair.lo] Error 1
make: *** Waiting for unfinished jobs....
/bin/sh ./libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I./config  -DNDEBUG   -DFMT_HEADER_ONLY   -I/builddir/build/BUILD/libsemigroups-1.0.7 -I/builddir/build/BUILD/libsemigroups-1.0.7/include -I/builddir/build/BUILD/libsemigroups-1.0.7/extern/HPCombi/include -I/builddir/build/BUILD/libsemigroups-1.0.7/extern/HPCombi/include/fallback -std=gnu++11 -g -O3 -Wall -Wextra     -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fwrapv -c -o src/libsemigroups_la-cong.lo `test -f 'src/cong.cpp' || echo './'`src/cong.cpp
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I./config -DNDEBUG -DFMT_HEADER_ONLY -I/builddir/build/BUILD/libsemigroups-1.0.7 -I/builddir/build/BUILD/libsemigroups-1.0.7/include -I/builddir/build/BUILD/libsemigroups-1.0.7/extern/HPCombi/include -I/builddir/build/BUILD/libsemigroups-1.0.7/extern/HPCombi/include/fallback -std=gnu++11 -g -O3 -Wall -Wextra -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fwrapv -c src/cong.cpp  -fPIC -DPIC -o src/.libs/libsemigroups_la-cong.o
In file included from /usr/include/fmt/ostream.h:12,
                 from /usr/include/fmt/printf.h:14,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/libsemigroups-exception.hpp:32,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/runner.hpp:31,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/fpsemi-intf.hpp:40,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong-intf.hpp:29,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong.hpp:28,
                 from src/cong.cpp:22:
/usr/include/fmt/format.h: In instantiation of 'decltype (ctx.out()) fmt::v6::formatter<T, Char, typename std::enable_if<(fmt::v6::internal::type_constant<T, Char>::value != fmt::v6::internal::type::custom_type), void>::type>::format(const T&, FormatContext&) [with FormatContext = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; T = fmt::v6::basic_string_view<char>; Char = char; typename std::enable_if<(fmt::v6::internal::type_constant<T, Char>::value != fmt::v6::internal::type::custom_type), void>::type = void; decltype (ctx.out()) = std::back_insert_iterator<fmt::v6::internal::buffer<char> >]':
/usr/include/fmt/ostream.h:113:60:   required from 'decltype (ctx.out()) fmt::v6::internal::fallback_formatter<T, Char, typename std::enable_if<fmt::v6::internal::is_streamable<T, Char>::value, void>::type>::format(const T&, Context&) [with Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; T = libsemigroups::detail::Timer; Char = char; typename std::enable_if<fmt::v6::internal::is_streamable<T, Char>::value, void>::type = void; decltype (ctx.out()) = std::back_insert_iterator<fmt::v6::internal::buffer<char> >]'
/usr/include/fmt/core.h:898:28:   required from 'static void fmt::v6::internal::value<Context>::format_custom_arg(const void*, fmt::v6::basic_format_parse_context<typename Context::char_type>&, Context&) [with T = libsemigroups::detail::Timer; Formatter = fmt::v6::internal::fallback_formatter<libsemigroups::detail::Timer, char, void>; Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; typename Context::char_type = char]'
/usr/include/fmt/core.h:882:19:   required from 'fmt::v6::internal::value<Context>::value(const T&) [with T = libsemigroups::detail::Timer; Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>]'
/usr/include/fmt/core.h:1213:39:   required from 'fmt::v6::internal::value<Context> fmt::v6::internal::make_arg(const T&) [with bool IS_PACKED = true; Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; T = libsemigroups::detail::Timer; typename std::enable_if<IS_PACKED, int>::type <anonymous> = 0]'
/usr/include/fmt/core.h:1349:53:   required from 'fmt::v6::format_arg_store<Context, Args>::format_arg_store(const Args& ...) [with Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; Args = {const char*, libsemigroups::detail::Timer}]'
/usr/include/fmt/core.h:1364:18:   required from 'fmt::v6::format_arg_store<Context, Args ...> fmt::v6::make_format_args(const Args& ...) [with Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; Args = {const char*, libsemigroups::detail::Timer}]'
/usr/include/fmt/printf.h:625:68:   required from 'std::__cxx11::basic_string<Char> fmt::v6::sprintf(const S&, const Args& ...) [with S = const char*; Args = {const char*, libsemigroups::detail::Timer}; Char = char]'
/builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/report.hpp:389:40:   required from 'libsemigroups::detail::Reporter& libsemigroups::detail::Reporter::operator()(TArgs ...) [with TArgs = {const char*, const char*, libsemigroups::detail::Timer}]'
/builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong-pair-impl.hpp:247:5:   required from 'void libsemigroups::CongruenceByPairs<TElementType, TElementHash, TElementEqual, TElementProduct, TFroidurePinType>::run_impl() [with TElementType = libsemigroups::detail::KBE; TElementHash = libsemigroups::Hash<libsemigroups::detail::KBE, void>; TElementEqual = libsemigroups::EqualTo<libsemigroups::detail::KBE, void>; TElementProduct = libsemigroups::Product<libsemigroups::detail::KBE, void>; TFroidurePinType = libsemigroups::FroidurePin<libsemigroups::detail::KBE, libsemigroups::FroidurePinTraits<libsemigroups::detail::KBE> >]'
/builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong-pair.hpp:294:10:   required from here
/usr/include/fmt/format.h:3012:29: error: no matching function for call to 'fmt::v6::arg_formatter<fmt::v6::internal::output_range<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char> >::arg_formatter(fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>&, std::nullptr_t, fmt::v6::internal::dynamic_format_specs<char>*)'
 3012 |     return visit_format_arg(arg_formatter<range_type>(ctx, nullptr, &specs_),
      |                             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/fmt/format.h:2764:12: note: candidate: 'fmt::v6::arg_formatter<Range>::arg_formatter(fmt::v6::arg_formatter<Range>::context_type&, fmt::v6::basic_format_parse_context<typename Range::value_type>*, fmt::v6::arg_formatter<Range>::format_specs*) [with Range = fmt::v6::internal::output_range<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; fmt::v6::arg_formatter<Range>::context_type = fmt::v6::basic_format_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; typename Range::value_type = char; fmt::v6::arg_formatter<Range>::format_specs = fmt::v6::basic_format_specs<char>]'
 2764 |   explicit arg_formatter(
      |            ^~~~~~~~~~~~~
/usr/include/fmt/format.h:2765:21: note:   no known conversion for argument 1 from 'fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>' to 'fmt::v6::arg_formatter<fmt::v6::internal::output_range<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char> >::context_type&' {aka 'fmt::v6::basic_format_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>&'}
 2765 |       context_type& ctx,
      |       ~~~~~~~~~~~~~~^~~
/usr/include/fmt/format.h:2743:7: note: candidate: 'constexpr fmt::v6::arg_formatter<fmt::v6::internal::output_range<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char> >::arg_formatter(const fmt::v6::arg_formatter<fmt::v6::internal::output_range<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char> >&)'
 2743 | class arg_formatter : public internal::arg_formatter_base<Range> {
      |       ^~~~~~~~~~~~~
/usr/include/fmt/format.h:2743:7: note:   candidate expects 1 argument, 3 provided
/usr/include/fmt/format.h:2743:7: note: candidate: 'constexpr fmt::v6::arg_formatter<fmt::v6::internal::output_range<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char> >::arg_formatter(fmt::v6::arg_formatter<fmt::v6::internal::output_range<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char> >&&)'
/usr/include/fmt/format.h:2743:7: note:   candidate expects 1 argument, 3 provided
/usr/include/fmt/format.h: In instantiation of 'void fmt::v6::internal::handle_dynamic_spec(int&, fmt::v6::internal::arg_ref<typename Context::char_type>, Context&) [with Handler = fmt::v6::internal::width_checker; Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; typename Context::char_type = char]':
/usr/include/fmt/format.h:3005:59:   required from 'decltype (ctx.out()) fmt::v6::formatter<T, Char, typename std::enable_if<(fmt::v6::internal::type_constant<T, Char>::value != fmt::v6::internal::type::custom_type), void>::type>::format(const T&, FormatContext&) [with FormatContext = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; T = fmt::v6::basic_string_view<char>; Char = char; typename std::enable_if<(fmt::v6::internal::type_constant<T, Char>::value != fmt::v6::internal::type::custom_type), void>::type = void; decltype (ctx.out()) = std::back_insert_iterator<fmt::v6::internal::buffer<char> >]'
/usr/include/fmt/ostream.h:113:60:   required from 'decltype (ctx.out()) fmt::v6::internal::fallback_formatter<T, Char, typename std::enable_if<fmt::v6::internal::is_streamable<T, Char>::value, void>::type>::format(const T&, Context&) [with Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; T = libsemigroups::detail::Timer; Char = char; typename std::enable_if<fmt::v6::internal::is_streamable<T, Char>::value, void>::type = void; decltype (ctx.out()) = std::back_insert_iterator<fmt::v6::internal::buffer<char> >]'
/usr/include/fmt/core.h:898:28:   required from 'static void fmt::v6::internal::value<Context>::format_custom_arg(const void*, fmt::v6::basic_format_parse_context<typename Context::char_type>&, Context&) [with T = libsemigroups::detail::Timer; Formatter = fmt::v6::internal::fallback_formatter<libsemigroups::detail::Timer, char, void>; Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; typename Context::char_type = char]'
/usr/include/fmt/core.h:882:19:   required from 'fmt::v6::internal::value<Context>::value(const T&) [with T = libsemigroups::detail::Timer; Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>]'
/usr/include/fmt/core.h:1213:39:   required from 'fmt::v6::internal::value<Context> fmt::v6::internal::make_arg(const T&) [with bool IS_PACKED = true; Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; T = libsemigroups::detail::Timer; typename std::enable_if<IS_PACKED, int>::type <anonymous> = 0]'
/usr/include/fmt/core.h:1349:53:   required from 'fmt::v6::format_arg_store<Context, Args>::format_arg_store(const Args& ...) [with Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; Args = {const char*, libsemigroups::detail::Timer}]'
/usr/include/fmt/core.h:1364:18:   required from 'fmt::v6::format_arg_store<Context, Args ...> fmt::v6::make_format_args(const Args& ...) [with Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; Args = {const char*, libsemigroups::detail::Timer}]'
/usr/include/fmt/printf.h:625:68:   required from 'std::__cxx11::basic_string<Char> fmt::v6::sprintf(const S&, const Args& ...) [with S = const char*; Args = {const char*, libsemigroups::detail::Timer}; Char = char]'
/builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/report.hpp:389:40:   required from 'libsemigroups::detail::Reporter& libsemigroups::detail::Reporter::operator()(TArgs ...) [with TArgs = {const char*, const char*, libsemigroups::detail::Timer}]'
/builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong-pair-impl.hpp:247:5:   required from 'void libsemigroups::CongruenceByPairs<TElementType, TElementHash, TElementEqual, TElementProduct, TFroidurePinType>::run_impl() [with TElementType = libsemigroups::detail::KBE; TElementHash = libsemigroups::Hash<libsemigroups::detail::KBE, void>; TElementEqual = libsemigroups::EqualTo<libsemigroups::detail::KBE, void>; TElementProduct = libsemigroups::Product<libsemigroups::detail::KBE, void>; TFroidurePinType = libsemigroups::FroidurePin<libsemigroups::detail::KBE, libsemigroups::FroidurePinTraits<libsemigroups::detail::KBE> >]'
/builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong-pair.hpp:294:10:   required from here
/usr/include/fmt/format.h:2717:53: error: 'class fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>' has no member named 'error_handler'
 2717 |                                                 ctx.error_handler());
      |                                                 ~~~~^~~~~~~~~~~~~
/usr/include/fmt/format.h:2720:65: error: cannot convert 'fmt::v6::basic_string_view<char>' to 'int'
 2720 |     value = internal::get_dynamic_spec<Handler>(ctx.arg(ref.val.name),
      |                                                         ~~~~~~~~^~~~
      |                                                                 |
      |                                                                 fmt::v6::basic_string_view<char>
In file included from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/libsemigroups-exception.hpp:32,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/runner.hpp:31,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/fpsemi-intf.hpp:40,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong-intf.hpp:29,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong.hpp:28,
                 from src/cong.cpp:22:
/usr/include/fmt/printf.h:363:22: note:   initializing argument 1 of 'fmt::v6::basic_printf_context<OutputIt, Char>::format_arg fmt::v6::basic_printf_context<OutputIt, Char>::arg(int) const [with OutputIt = std::back_insert_iterator<fmt::v6::internal::buffer<char> >; Char = char; fmt::v6::basic_printf_context<OutputIt, Char>::format_arg = fmt::v6::basic_format_arg<fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char> >]'
  363 |   format_arg arg(int id) const { return args_.get(id); }
      |                  ~~~~^~
In file included from /usr/include/fmt/ostream.h:12,
                 from /usr/include/fmt/printf.h:14,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/libsemigroups-exception.hpp:32,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/runner.hpp:31,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/fpsemi-intf.hpp:40,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong-intf.hpp:29,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong.hpp:28,
                 from src/cong.cpp:22:
/usr/include/fmt/format.h:2721:53: error: 'class fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>' has no member named 'error_handler'
 2721 |                                                 ctx.error_handler());
      |                                                 ~~~~^~~~~~~~~~~~~
/usr/include/fmt/format.h: In instantiation of 'void fmt::v6::internal::handle_dynamic_spec(int&, fmt::v6::internal::arg_ref<typename Context::char_type>, Context&) [with Handler = fmt::v6::internal::precision_checker; Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; typename Context::char_type = char]':
/usr/include/fmt/format.h:3007:63:   required from 'decltype (ctx.out()) fmt::v6::formatter<T, Char, typename std::enable_if<(fmt::v6::internal::type_constant<T, Char>::value != fmt::v6::internal::type::custom_type), void>::type>::format(const T&, FormatContext&) [with FormatContext = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; T = fmt::v6::basic_string_view<char>; Char = char; typename std::enable_if<(fmt::v6::internal::type_constant<T, Char>::value != fmt::v6::internal::type::custom_type), void>::type = void; decltype (ctx.out()) = std::back_insert_iterator<fmt::v6::internal::buffer<char> >]'
/usr/include/fmt/ostream.h:113:60:   required from 'decltype (ctx.out()) fmt::v6::internal::fallback_formatter<T, Char, typename std::enable_if<fmt::v6::internal::is_streamable<T, Char>::value, void>::type>::format(const T&, Context&) [with Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; T = libsemigroups::detail::Timer; Char = char; typename std::enable_if<fmt::v6::internal::is_streamable<T, Char>::value, void>::type = void; decltype (ctx.out()) = std::back_insert_iterator<fmt::v6::internal::buffer<char> >]'
/usr/include/fmt/core.h:898:28:   required from 'static void fmt::v6::internal::value<Context>::format_custom_arg(const void*, fmt::v6::basic_format_parse_context<typename Context::char_type>&, Context&) [with T = libsemigroups::detail::Timer; Formatter = fmt::v6::internal::fallback_formatter<libsemigroups::detail::Timer, char, void>; Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; typename Context::char_type = char]'
/usr/include/fmt/core.h:882:19:   required from 'fmt::v6::internal::value<Context>::value(const T&) [with T = libsemigroups::detail::Timer; Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>]'
/usr/include/fmt/core.h:1213:39:   required from 'fmt::v6::internal::value<Context> fmt::v6::internal::make_arg(const T&) [with bool IS_PACKED = true; Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; T = libsemigroups::detail::Timer; typename std::enable_if<IS_PACKED, int>::type <anonymous> = 0]'
/usr/include/fmt/core.h:1349:53:   required from 'fmt::v6::format_arg_store<Context, Args>::format_arg_store(const Args& ...) [with Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; Args = {const char*, libsemigroups::detail::Timer}]'
/usr/include/fmt/core.h:1364:18:   required from 'fmt::v6::format_arg_store<Context, Args ...> fmt::v6::make_format_args(const Args& ...) [with Context = fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>; Args = {const char*, libsemigroups::detail::Timer}]'
/usr/include/fmt/printf.h:625:68:   required from 'std::__cxx11::basic_string<Char> fmt::v6::sprintf(const S&, const Args& ...) [with S = const char*; Args = {const char*, libsemigroups::detail::Timer}; Char = char]'
/builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/report.hpp:389:40:   required from 'libsemigroups::detail::Reporter& libsemigroups::detail::Reporter::operator()(TArgs ...) [with TArgs = {const char*, const char*, libsemigroups::detail::Timer}]'
/builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong-pair-impl.hpp:247:5:   required from 'void libsemigroups::CongruenceByPairs<TElementType, TElementHash, TElementEqual, TElementProduct, TFroidurePinType>::run_impl() [with TElementType = libsemigroups::detail::KBE; TElementHash = libsemigroups::Hash<libsemigroups::detail::KBE, void>; TElementEqual = libsemigroups::EqualTo<libsemigroups::detail::KBE, void>; TElementProduct = libsemigroups::Product<libsemigroups::detail::KBE, void>; TFroidurePinType = libsemigroups::FroidurePin<libsemigroups::detail::KBE, libsemigroups::FroidurePinTraits<libsemigroups::detail::KBE> >]'
/builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong-pair.hpp:294:10:   required from here
/usr/include/fmt/format.h:2717:53: error: 'class fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>' has no member named 'error_handler'
 2717 |                                                 ctx.error_handler());
      |                                                 ~~~~^~~~~~~~~~~~~
/usr/include/fmt/format.h:2720:65: error: cannot convert 'fmt::v6::basic_string_view<char>' to 'int'
 2720 |     value = internal::get_dynamic_spec<Handler>(ctx.arg(ref.val.name),
      |                                                         ~~~~~~~~^~~~
      |                                                                 |
      |                                                                 fmt::v6::basic_string_view<char>
In file included from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/libsemigroups-exception.hpp:32,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/runner.hpp:31,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/fpsemi-intf.hpp:40,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong-intf.hpp:29,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong.hpp:28,
                 from src/cong.cpp:22:
/usr/include/fmt/printf.h:363:22: note:   initializing argument 1 of 'fmt::v6::basic_printf_context<OutputIt, Char>::format_arg fmt::v6::basic_printf_context<OutputIt, Char>::arg(int) const [with OutputIt = std::back_insert_iterator<fmt::v6::internal::buffer<char> >; Char = char; fmt::v6::basic_printf_context<OutputIt, Char>::format_arg = fmt::v6::basic_format_arg<fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char> >]'
  363 |   format_arg arg(int id) const { return args_.get(id); }
      |                  ~~~~^~
In file included from /usr/include/fmt/ostream.h:12,
                 from /usr/include/fmt/printf.h:14,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/libsemigroups-exception.hpp:32,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/runner.hpp:31,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/fpsemi-intf.hpp:40,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong-intf.hpp:29,
                 from /builddir/build/BUILD/libsemigroups-1.0.7/include/libsemigroups/cong.hpp:28,
                 from src/cong.cpp:22:
/usr/include/fmt/format.h:2721:53: error: 'class fmt::v6::basic_printf_context<std::back_insert_iterator<fmt::v6::internal::buffer<char> >, char>' has no member named 'error_handler'
 2721 |                                                 ctx.error_handler());
      |                                                 ~~~~^~~~~~~~~~~~~
make: *** [Makefile:1568: src/libsemigroups_la-cong.lo] Error 1
RPM build errors:
error: Bad exit status from /var/tmp/rpm-tmp.fl3Cgv (%build)
    Bad exit status from /var/tmp/rpm-tmp.fl3Cgv (%build)
Child return code was: 1
EXCEPTION: [Error()]
Traceback (most recent call last):
  File "/usr/lib/python3.7/site-packages/mockbuild/trace_decorator.py", line 93, in trace
    result = func(*args, **kw)
  File "/usr/lib/python3.7/site-packages/mockbuild/util.py", line 776, in do_with_status
    raise exception.Error("Command failed: \n # %s\n%s" % (command, output), child.returncode)
mockbuild.exception.Error: Command failed: 
 # /usr/bin/systemd-nspawn -q -M 1030b36390844e308f08c4ca2f962627 -D /var/lib/mock/fedora-rawhide-x86_64-1586444142.628015/root -a -u mockbuild --capability=cap_ipc_lock --rlimit=RLIMIT_NOFILE=10240 --capability=cap_ipc_lock --bind=/tmp/mock-resolv.ybu7y_ip:/etc/resolv.conf --bind=/dev/loop-control --bind=/dev/loop0 --bind=/dev/loop1 --bind=/dev/loop2 --bind=/dev/loop3 --bind=/dev/loop4 --bind=/dev/loop5 --bind=/dev/loop6 --bind=/dev/loop7 --bind=/dev/loop8 --bind=/dev/loop9 --bind=/dev/loop10 --bind=/dev/loop11 --console=pipe --setenv=TERM=vt100 --setenv=SHELL=/bin/bash --setenv=HOME=/builddir --setenv=HOSTNAME=mock --setenv=PATH=/usr/bin:/bin:/usr/sbin:/sbin --setenv=PROMPT_COMMAND=printf "\033]0;<mock-chroot>\007" --setenv=PS1=<mock-chroot> \s-\v\$  --setenv=LANG=C.UTF-8 bash --login -c /usr/bin/rpmbuild -bb --target x86_64 --nodeps /builddir/build/SPECS/libsemigroups.spec