Mock Version: 2.2
ENTER ['do_with_status'](['bash', '--login', '-c', '/usr/bin/rpmbuild -bs --target x86_64 --nodeps /builddir/build/SPECS/rubygem-nio4r.spec'], chrootPath='/var/lib/mock/fedora-rawhide-x86_64-1590728876.780867/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 0x7f25209a2fd0>timeout=0uid=1001gid=135user='mockbuild'nspawn_args=['--capability=cap_ipc_lock', '--rlimit=RLIMIT_NOFILE=10240', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.dhywqdpy:/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.dhywqdpy:/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', '19558d091ba94b39b35dc7363883afb9', '-D', '/var/lib/mock/fedora-rawhide-x86_64-1590728876.780867/root', '-a', '-u', 'mockbuild', '--capability=cap_ipc_lock', '--rlimit=RLIMIT_NOFILE=10240', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.dhywqdpy:/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/rubygem-nio4r.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=1580342400
Wrote: /builddir/build/SRPMS/rubygem-nio4r-2.5.2-2.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/rubygem-nio4r.spec'], chrootPath='/var/lib/mock/fedora-rawhide-x86_64-1590728876.780867/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 0x7f25209a2fd0>timeout=0uid=1001gid=135user='mockbuild'nspawn_args=['--capability=cap_ipc_lock', '--rlimit=RLIMIT_NOFILE=10240', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.dhywqdpy:/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.dhywqdpy:/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', '48204b3b792d41cd8721d43f0f227fee', '-D', '/var/lib/mock/fedora-rawhide-x86_64-1590728876.780867/root', '-a', '-u', 'mockbuild', '--capability=cap_ipc_lock', '--rlimit=RLIMIT_NOFILE=10240', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.dhywqdpy:/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/rubygem-nio4r.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=1580342400
Executing(%prep): /bin/sh -e /var/tmp/rpm-tmp.d03Vww
+ umask 022
+ cd /builddir/build/BUILD
+ cd /builddir/build/BUILD
+ rm -rf nio4r-2.5.2
+ /usr/bin/gem unpack /builddir/build/SOURCES/nio4r-2.5.2.gem
Unpacked gem: '/builddir/build/BUILD/nio4r-2.5.2'
+ /usr/bin/gem spec /builddir/build/SOURCES/nio4r-2.5.2.gem --ruby
+ STATUS=0
+ '[' 0 -ne 0 ']'
+ cd nio4r-2.5.2
+ /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.aEaRrw
+ umask 022
+ cd /builddir/build/BUILD
+ cd nio4r-2.5.2
+ gem build ../nio4r-2.5.2.gemspec
WARNING:  open-ended dependency on bundler (>= 0, development) is not recommended
  use a bounded requirement, such as '~> x.y'
WARNING:  open-ended dependency on rake (>= 0, development) is not recommended
  use a bounded requirement, such as '~> x.y'
WARNING:  See http://guides.rubygems.org/specification-reference/ for help
  Successfully built RubyGem
  Name: nio4r
  Version: 2.5.2
  File: nio4r-2.5.2.gem
+ mkdir -p ./usr/share/gems
+ CONFIGURE_ARGS='--with-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 -fno-strict-aliasing'\'' --with-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 -fno-strict-aliasing'\'' '
+ gem install -V --local --build-root . --force --document=ri,rdoc nio4r-2.5.2.gem
WARNING:  You build with buildroot.
  Build root: /builddir/build/BUILD/nio4r-2.5.2
  Bin dir: /builddir/build/BUILD/nio4r-2.5.2/usr/bin
  Gem home: /builddir/build/BUILD/nio4r-2.5.2/usr/share/gems
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/.gitignore
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/.rspec
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/.rubocop.yml
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/.travis.yml
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/CHANGES.md
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/Gemfile
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/Guardfile
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/README.md
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/Rakefile
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/appveyor.yml
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/examples/echo_server.rb
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/libev/Changes
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/libev/LICENSE
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/libev/README
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/libev/ev.c
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/libev/ev.h
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/libev/ev_epoll.c
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/libev/ev_kqueue.c
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/libev/ev_linuxaio.c
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/libev/ev_poll.c
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/libev/ev_port.c
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/libev/ev_select.c
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/libev/ev_vars.h
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/libev/ev_win32.c
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/libev/ev_wrap.h
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/nio4r/bytebuffer.c
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/nio4r/extconf.rb
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/nio4r/libev.h
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/nio4r/monitor.c
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/nio4r/nio4r.h
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/nio4r/nio4r_ext.c
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/nio4r/org/nio4r/ByteBuffer.java
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/nio4r/org/nio4r/Monitor.java
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/nio4r/org/nio4r/Nio4r.java
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/nio4r/org/nio4r/Selector.java
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/nio4r/selector.c
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/lib/nio.rb
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/lib/nio/bytebuffer.rb
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/lib/nio/monitor.rb
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/lib/nio/selector.rb
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/lib/nio/version.rb
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/logo.png
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/nio4r.gemspec
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/rakelib/extension.rake
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/rakelib/rspec.rake
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/rakelib/rubocop.rake
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/spec/nio/acceptables_spec.rb
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/spec/nio/bytebuffer_spec.rb
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/spec/nio/monitor_spec.rb
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/spec/nio/selectables/pipe_spec.rb
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/spec/nio/selectables/ssl_socket_spec.rb
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/spec/nio/selectables/tcp_socket_spec.rb
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/spec/nio/selectables/udp_socket_spec.rb
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/spec/nio/selector_spec.rb
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/spec/spec_helper.rb
/builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/spec/support/selectable_examples.rb
Building native extensions. This could take a while...
current directory: /builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/nio4r
["/usr/bin/ruby", "-I", "/usr/share/rubygems", "-r", "./siteconf20200529-30-er6omc.rb", "extconf.rb"]
checking for unistd.h... yes
checking for linux/aio_abi.h... yes
checking for sys/select.h... yes
checking for port_event_t in poll.h... no
checking for sys/epoll.h... yes
checking for sys/event.h... no
checking for port_event_t in port.h... no
checking for sys/resource.h... yes
creating Makefile
current directory: /builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/nio4r
"make \"DESTDIR=\" clean"
rm -f 
rm -f nio4r_ext.so  *.o  *.bak mkmf.log .*.time
current directory: /builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/nio4r
"make \"DESTDIR=\""
gcc -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -DHAVE_UNISTD_H -DHAVE_LINUX_AIO_ABI_H -DEV_USE_LINUXAIO -DHAVE_SYS_SELECT_H -DEV_USE_SELECT -DHAVE_SYS_EPOLL_H -DEV_USE_EPOLL -DHAVE_SYS_RESOURCE_H -DHAVE_SYS_RESOURCE_H    -fPIC -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 -fno-strict-aliasing -m64 -o bytebuffer.o -c bytebuffer.c
gcc -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -DHAVE_UNISTD_H -DHAVE_LINUX_AIO_ABI_H -DEV_USE_LINUXAIO -DHAVE_SYS_SELECT_H -DEV_USE_SELECT -DHAVE_SYS_EPOLL_H -DEV_USE_EPOLL -DHAVE_SYS_RESOURCE_H -DHAVE_SYS_RESOURCE_H    -fPIC -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 -fno-strict-aliasing -m64 -o monitor.o -c monitor.c
gcc -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -DHAVE_UNISTD_H -DHAVE_LINUX_AIO_ABI_H -DEV_USE_LINUXAIO -DHAVE_SYS_SELECT_H -DEV_USE_SELECT -DHAVE_SYS_EPOLL_H -DEV_USE_EPOLL -DHAVE_SYS_RESOURCE_H -DHAVE_SYS_RESOURCE_H    -fPIC -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 -fno-strict-aliasing -m64 -o nio4r_ext.o -c nio4r_ext.c
In file included from nio4r_ext.c:7:
../libev/ev.c:511:48: warning: "/*" within comment [-Wcomment]
  511 | /*#define MIN_INTERVAL  0.00000095367431640625 /* 1/2**20, good till 2200 */
      |                                                 
In file included from nio4r_ext.c:7:
../libev/ev.c:1867:31: warning: 'ev_default_loop_ptr' initialized and declared 'extern'
 1867 |   EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
      |                               ^~~~~~~~~~~~~~~~~~~
In file included from ../libev/ev.c:202,
                 from nio4r_ext.c:7:
../libev/ev_epoll.c: In function 'epoll_modify':
../libev/ev_epoll.c:134:69: warning: left-hand operand of comma expression has no effect [-Wunused-value]
  134 |     assert (("libev: I/O watcher with invalid fd found in epoll_ctl", errno != EBADF && errno != ELOOP && errno != EINVAL));
      |                                                                     ^
../libev/ev_epoll.c:134:69: warning: left-hand operand of comma expression has no effect [-Wunused-value]
  134 |     assert (("libev: I/O watcher with invalid fd found in epoll_ctl", errno != EBADF && errno != ELOOP && errno != EINVAL));
      |                                                                     ^
../libev/ev_linuxaio.c: In function 'linuxaio_modify':
../libev/ev_linuxaio.c:304:61: warning: left-hand operand of comma expression has no effect [-Wunused-value]
  304 |       assert (("libev: linuxaio unexpected io_cancel failed", errno == EINPROGRESS));
      |                                                             ^
../libev/ev_linuxaio.c:304:61: warning: left-hand operand of comma expression has no effect [-Wunused-value]
  304 |       assert (("libev: linuxaio unexpected io_cancel failed", errno == EINPROGRESS));
      |                                                             ^
../libev/ev_linuxaio.c: In function 'linuxaio_parse_events':
../libev/ev_linuxaio.c:344:50: warning: left-hand operand of comma expression has no effect [-Wunused-value]
  344 |       assert (("libev: iocb fd must be in-bounds", fd >= 0 && fd < anfdmax));
      |                                                  ^
../libev/ev_linuxaio.c:344:50: warning: left-hand operand of comma expression has no effect [-Wunused-value]
  344 |       assert (("libev: iocb fd must be in-bounds", fd >= 0 && fd < anfdmax));
      |                                                  ^
../libev/ev_linuxaio.c: In function 'linuxaio_poll':
../libev/ev_linuxaio.c:553:57: warning: left-hand operand of comma expression has no effect [-Wunused-value]
  553 |             assert (("libev: event loop rejected bad fd", errno != EBADF));
      |                                                         ^
../libev/ev_linuxaio.c:553:57: warning: left-hand operand of comma expression has no effect [-Wunused-value]
  553 |             assert (("libev: event loop rejected bad fd", errno != EBADF));
      |                                                         ^
In file included from ../libev/ev.c:2745,
                 from nio4r_ext.c:7:
../libev/ev_linuxaio.c:498:10: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else]
  498 |       if (expect_false (res < 0))
      |          ^
In file included from libev.h:9,
                 from nio4r.h:11,
                 from nio4r_ext.c:6:
../libev/ev_linuxaio.c: In function 'linuxaio_init':
../libev/ev.h:177:20: warning: left-hand operand of comma expression has no effect [-Wunused-value]
  177 | # define EV_A_ EV_A,                              /* a loop as first of multiple arguments */
      |                    ^
../libev/ev.h:689:27: note: in definition of macro 'ev_init'
  689 |   ((ev_watcher *)(void *)(ev))->active  = \
      |                           ^~
../libev/ev_linuxaio.c:592:3: note: in expansion of macro 'ev_io_init'
  592 |   ev_io_init  (EV_A_ &linuxaio_epoll_w, linuxaio_epoll_cb, backend_fd, EV_READ);
      |   ^~~~~~~~~~
../libev/ev_linuxaio.c:592:16: note: in expansion of macro 'EV_A_'
  592 |   ev_io_init  (EV_A_ &linuxaio_epoll_w, linuxaio_epoll_cb, backend_fd, EV_READ);
      |                ^~~~~
../libev/ev.h:177:20: warning: left-hand operand of comma expression has no effect [-Wunused-value]
  177 | # define EV_A_ EV_A,                              /* a loop as first of multiple arguments */
      |                    ^
../libev/ev.h:690:27: note: in definition of macro 'ev_init'
  690 |   ((ev_watcher *)(void *)(ev))->pending = 0; \
      |                           ^~
../libev/ev_linuxaio.c:592:3: note: in expansion of macro 'ev_io_init'
  592 |   ev_io_init  (EV_A_ &linuxaio_epoll_w, linuxaio_epoll_cb, backend_fd, EV_READ);
      |   ^~~~~~~~~~
../libev/ev_linuxaio.c:592:16: note: in expansion of macro 'EV_A_'
  592 |   ev_io_init  (EV_A_ &linuxaio_epoll_w, linuxaio_epoll_cb, backend_fd, EV_READ);
      |                ^~~~~
../libev/ev.h:177:20: warning: left-hand operand of comma expression has no effect [-Wunused-value]
  177 | # define EV_A_ EV_A,                              /* a loop as first of multiple arguments */
      |                    ^
../libev/ev.h:734:73: note: in definition of macro 'ev_set_priority'
  734 | # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
      |                                                                         ^~
../libev/ev.h:709:51: note: in expansion of macro 'ev_init'
  709 | #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
      |                                                   ^~~~~~~
../libev/ev_linuxaio.c:592:3: note: in expansion of macro 'ev_io_init'
  592 |   ev_io_init  (EV_A_ &linuxaio_epoll_w, linuxaio_epoll_cb, backend_fd, EV_READ);
      |   ^~~~~~~~~~
../libev/ev_linuxaio.c:592:16: note: in expansion of macro 'EV_A_'
  592 |   ev_io_init  (EV_A_ &linuxaio_epoll_w, linuxaio_epoll_cb, backend_fd, EV_READ);
      |                ^~~~~
../libev/ev.h:177:20: warning: left-hand operand of comma expression has no effect [-Wunused-value]
  177 | # define EV_A_ EV_A,                              /* a loop as first of multiple arguments */
      |                    ^
../libev/ev.h:726:47: note: in definition of macro 'ev_cb_'
  726 | #define ev_cb_(ev)                           (ev)->cb /* rw */
      |                                               ^~
../libev/ev.h:692:3: note: in expansion of macro 'ev_set_cb'
  692 |   ev_set_cb ((ev), cb_);   \
      |   ^~~~~~~~~
../libev/ev.h:709:51: note: in expansion of macro 'ev_init'
  709 | #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
      |                                                   ^~~~~~~
../libev/ev_linuxaio.c:592:3: note: in expansion of macro 'ev_io_init'
  592 |   ev_io_init  (EV_A_ &linuxaio_epoll_w, linuxaio_epoll_cb, backend_fd, EV_READ);
      |   ^~~~~~~~~~
../libev/ev_linuxaio.c:592:16: note: in expansion of macro 'EV_A_'
  592 |   ev_io_init  (EV_A_ &linuxaio_epoll_w, linuxaio_epoll_cb, backend_fd, EV_READ);
      |                ^~~~~
../libev/ev.h:177:20: warning: left-hand operand of comma expression has no effect [-Wunused-value]
  177 | # define EV_A_ EV_A,                              /* a loop as first of multiple arguments */
      |                    ^
../libev/ev.h:740:94: note: in definition of macro 'ev_set_cb'
  740 | # define ev_set_cb(ev,cb_)                   (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
      |                                                                                              ^~
../libev/ev.h:709:51: note: in expansion of macro 'ev_init'
  709 | #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
      |                                                   ^~~~~~~
../libev/ev_linuxaio.c:592:3: note: in expansion of macro 'ev_io_init'
  592 |   ev_io_init  (EV_A_ &linuxaio_epoll_w, linuxaio_epoll_cb, backend_fd, EV_READ);
      |   ^~~~~~~~~~
../libev/ev_linuxaio.c:592:16: note: in expansion of macro 'EV_A_'
  592 |   ev_io_init  (EV_A_ &linuxaio_epoll_w, linuxaio_epoll_cb, backend_fd, EV_READ);
      |                ^~~~~
../libev/ev.h:177:20: warning: left-hand operand of comma expression has no effect [-Wunused-value]
  177 | # define EV_A_ EV_A,                              /* a loop as first of multiple arguments */
      |                    ^
../libev/ev.h:726:47: note: in definition of macro 'ev_cb_'
  726 | #define ev_cb_(ev)                           (ev)->cb /* rw */
      |                                               ^~
../libev/ev.h:692:3: note: in expansion of macro 'ev_set_cb'
  692 |   ev_set_cb ((ev), cb_);   \
      |   ^~~~~~~~~
../libev/ev.h:709:51: note: in expansion of macro 'ev_init'
  709 | #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
      |                                                   ^~~~~~~
../libev/ev_linuxaio.c:592:3: note: in expansion of macro 'ev_io_init'
  592 |   ev_io_init  (EV_A_ &linuxaio_epoll_w, linuxaio_epoll_cb, backend_fd, EV_READ);
      |   ^~~~~~~~~~
../libev/ev_linuxaio.c:592:16: note: in expansion of macro 'EV_A_'
  592 |   ev_io_init  (EV_A_ &linuxaio_epoll_w, linuxaio_epoll_cb, backend_fd, EV_READ);
      |                ^~~~~
../libev/ev.h:177:20: warning: left-hand operand of comma expression has no effect [-Wunused-value]
  177 | # define EV_A_ EV_A,                              /* a loop as first of multiple arguments */
      |                    ^
../libev/ev.h:726:47: note: in definition of macro 'ev_cb_'
  726 | #define ev_cb_(ev)                           (ev)->cb /* rw */
      |                                               ^~
../libev/ev.h:692:3: note: in expansion of macro 'ev_set_cb'
  692 |   ev_set_cb ((ev), cb_);   \
      |   ^~~~~~~~~
../libev/ev.h:709:51: note: in expansion of macro 'ev_init'
  709 | #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
      |                                                   ^~~~~~~
../libev/ev_linuxaio.c:592:3: note: in expansion of macro 'ev_io_init'
  592 |   ev_io_init  (EV_A_ &linuxaio_epoll_w, linuxaio_epoll_cb, backend_fd, EV_READ);
      |   ^~~~~~~~~~
../libev/ev_linuxaio.c:592:16: note: in expansion of macro 'EV_A_'
  592 |   ev_io_init  (EV_A_ &linuxaio_epoll_w, linuxaio_epoll_cb, backend_fd, EV_READ);
      |                ^~~~~
../libev/ev.h:177:20: warning: left-hand operand of comma expression has no effect [-Wunused-value]
  177 | # define EV_A_ EV_A,                              /* a loop as first of multiple arguments */
      |                    ^
../libev/ev.h:695:52: note: in definition of macro 'ev_io_set'
  695 | #define ev_io_set(ev,fd_,events_)            do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0)
      |                                                    ^~
../libev/ev_linuxaio.c:592:3: note: in expansion of macro 'ev_io_init'
  592 |   ev_io_init  (EV_A_ &linuxaio_epoll_w, linuxaio_epoll_cb, backend_fd, EV_READ);
      |   ^~~~~~~~~~
../libev/ev_linuxaio.c:592:16: note: in expansion of macro 'EV_A_'
  592 |   ev_io_init  (EV_A_ &linuxaio_epoll_w, linuxaio_epoll_cb, backend_fd, EV_READ);
      |                ^~~~~
../libev/ev.h:177:20: warning: left-hand operand of comma expression has no effect [-Wunused-value]
  177 | # define EV_A_ EV_A,                              /* a loop as first of multiple arguments */
      |                    ^
../libev/ev.h:695:70: note: in definition of macro 'ev_io_set'
  695 | #define ev_io_set(ev,fd_,events_)            do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0)
      |                                                                      ^~
../libev/ev_linuxaio.c:592:3: note: in expansion of macro 'ev_io_init'
  592 |   ev_io_init  (EV_A_ &linuxaio_epoll_w, linuxaio_epoll_cb, backend_fd, EV_READ);
      |   ^~~~~~~~~~
../libev/ev_linuxaio.c:592:16: note: in expansion of macro 'EV_A_'
  592 |   ev_io_init  (EV_A_ &linuxaio_epoll_w, linuxaio_epoll_cb, backend_fd, EV_READ);
      |                ^~~~~
../libev/ev_linuxaio.c: In function 'linuxaio_fork':
../libev/ev.h:177:20: warning: left-hand operand of comma expression has no effect [-Wunused-value]
  177 | # define EV_A_ EV_A,                              /* a loop as first of multiple arguments */
      |                    ^
../libev/ev.h:695:52: note: in definition of macro 'ev_io_set'
  695 | #define ev_io_set(ev,fd_,events_)            do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0)
      |                                                    ^~
../libev/ev_linuxaio.c:636:16: note: in expansion of macro 'EV_A_'
  636 |   ev_io_set   (EV_A_ &linuxaio_epoll_w, backend_fd, EV_READ);
      |                ^~~~~
../libev/ev.h:177:20: warning: left-hand operand of comma expression has no effect [-Wunused-value]
  177 | # define EV_A_ EV_A,                              /* a loop as first of multiple arguments */
      |                    ^
../libev/ev.h:695:70: note: in definition of macro 'ev_io_set'
  695 | #define ev_io_set(ev,fd_,events_)            do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0)
      |                                                                      ^~
../libev/ev_linuxaio.c:636:16: note: in expansion of macro 'EV_A_'
  636 |   ev_io_set   (EV_A_ &linuxaio_epoll_w, backend_fd, EV_READ);
      |                ^~~~~
In file included from ../libev/ev.c:202,
                 from nio4r_ext.c:7:
../libev/ev_poll.c: In function 'poll_poll':
../libev/ev_poll.c:113:75: warning: left-hand operand of comma expression has no effect [-Wunused-value]
  113 |         assert (("libev: poll returned illegal result, broken BSD kernel?", p < polls + pollcnt));
      |                                                                           ^
../libev/ev_poll.c:113:75: warning: left-hand operand of comma expression has no effect [-Wunused-value]
  113 |         assert (("libev: poll returned illegal result, broken BSD kernel?", p < polls + pollcnt));
      |                                                                           ^
../libev/ev_poll.c:121:68: warning: left-hand operand of comma expression has no effect [-Wunused-value]
  121 |                 assert (("libev: poll found invalid fd in poll set", 0));
      |                                                                    ^
../libev/ev_poll.c:121:68: warning: left-hand operand of comma expression has no effect [-Wunused-value]
  121 |                 assert (("libev: poll found invalid fd in poll set", 0));
      |                                                                    ^
../libev/ev.c: In function 'verify_watcher':
../libev/ev.c:3181:49: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3181 |   assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
      |                                                 ^
../libev/ev.c:3181:49: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3181 |   assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
      |                                                 ^
../libev/ev.c:3184:59: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3184 |     assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
      |                                                           ^
../libev/ev.c:3184:59: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3184 |     assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
      |                                                           ^
../libev/ev.c: In function 'verify_heap':
../libev/ev.c:3195:54: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3195 |       assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));
      |                                                      ^
../libev/ev.c:3195:54: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3195 |       assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));
      |                                                      ^
../libev/ev.c:3196:48: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3196 |       assert (("libev: heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
      |                                                ^
../libev/ev.c:3196:48: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3196 |       assert (("libev: heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
      |                                                ^
../libev/ev.c:3197:47: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3197 |       assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
      |                                               ^
../libev/ev.c:3197:47: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3197 |       assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
      |                                               ^
../libev/ev.c: In function 'array_verify':
../libev/ev.c:3209:46: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3209 |       assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
      |                                              ^
../libev/ev.c:3209:46: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3209 |       assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
      |                                              ^
../libev/ev.c: In function 'ev_verify':
../libev/ev.c:3227:47: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3227 |     assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
      |                                               ^
../libev/ev.c:3227:47: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3227 |     assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
      |                                               ^
../libev/ev.c:3240:64: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3240 |               assert (("libev: io watcher list contains a loop", w != w2));
      |                                                                ^
../libev/ev.c:3240:64: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3240 |               assert (("libev: io watcher list contains a loop", w != w2));
      |                                                                ^
../libev/ev.c:3244:61: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3244 |           assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
      |                                                             ^
../libev/ev.c:3244:61: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3244 |           assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
      |                                                             ^
../libev/ev.c:3245:65: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3245 |           assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
      |                                                                 ^
../libev/ev.c:3245:65: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3245 |           assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
      |                                                                 ^
../libev/ev.c: In function 'timers_reify':
../libev/ev.c:3431:93: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3431 |               assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.));
      |                                                                                             ^
../libev/ev.c:3431:93: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3431 |               assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.));
      |                                                                                             ^
../libev/ev.c: In function 'periodics_reify':
../libev/ev.c:3494:90: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3494 |               assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));
      |                                                                                          ^
../libev/ev.c:3494:90: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3494 |               assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));
      |                                                                                          ^
../libev/ev.c: In function 'ev_run':
../libev/ev.c:3656:62: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3656 |   assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE));
      |                                                              ^
../libev/ev.c:3656:62: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3656 |   assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE));
      |                                                              ^
../libev/ev.c:3824:70: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3824 |             assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
      |                                                                      ^
../libev/ev.c:3824:70: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3824 |             assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
      |                                                                      ^
../libev/ev.c: In function 'ev_io_start':
../libev/ev.c:3999:56: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3999 |   assert (("libev: ev_io_start called with negative fd", fd >= 0));
      |                                                        ^
../libev/ev.c:3999:56: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 3999 |   assert (("libev: ev_io_start called with negative fd", fd >= 0));
      |                                                        ^
../libev/ev.c:4000:63: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 4000 |   assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
      |                                                               ^
../libev/ev.c:4000:63: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 4000 |   assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
      |                                                               ^
../libev/ev.c:4012:62: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 4012 |   assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
      |                                                              ^
../libev/ev.c:4012:62: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 4012 |   assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
      |                                                              ^
In file included from nio4r_ext.c:7:
../libev/ev.c:4014:34: warning: suggest parentheses around arithmetic in operand of '|' [-Wparentheses]
 4014 |   fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
      |                        ~~~~~~~~~~^~~~~~~~~~~~~
In file included from ../libev/ev.c:202,
                 from nio4r_ext.c:7:
../libev/ev.c: In function 'ev_io_stop':
../libev/ev.c:4028:88: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 4028 |   assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
      |                                                                                        ^
../libev/ev.c:4028:88: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 4028 |   assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
      |                                                                                        ^
../libev/ev.c: In function 'ev_timer_start':
../libev/ev.c:4052:75: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 4052 |   assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
      |                                                                           ^
../libev/ev.c:4052:75: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 4052 |   assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
      |                                                                           ^
../libev/ev.c: In function 'ev_timer_stop':
../libev/ev.c:4081:53: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 4081 |     assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
      |                                                     ^
../libev/ev.c:4081:53: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 4081 |     assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
      |                                                     ^
../libev/ev.c: In function 'ev_periodic_start':
../libev/ev.c:4145:78: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 4145 |       assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.));
      |                                                                              ^
../libev/ev.c:4145:78: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 4145 |       assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.));
      |                                                                              ^
../libev/ev.c: In function 'ev_periodic_stop':
../libev/ev.c:4178:56: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 4178 |     assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
      |                                                        ^
../libev/ev.c:4178:56: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 4178 |     assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
      |                                                        ^
../libev/ev.c: In function 'ev_signal_start':
../libev/ev.c:4217:70: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 4217 |   assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
      |                                                                      ^
../libev/ev.c:4217:70: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 4217 |   assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
      |                                                                      ^
../libev/ev.c:4220:73: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 4220 |   assert (("libev: a signal must not be attached to two different loops",
      |                                                                         ^
../libev/ev.c:4220:73: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 4220 |   assert (("libev: a signal must not be attached to two different loops",
      |                                                                         ^
../libev/ev.c: In function 'ev_child_start':
../libev/ev.c:4339:74: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 4339 |   assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
      |                                                                          ^
../libev/ev.c:4339:74: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 4339 |   assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
      |                                                                          ^
../libev/ev.c: In function 'ev_embed_start':
../libev/ev.c:4924:60: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 4924 |     assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
      |                                                            ^
../libev/ev.c:4924:60: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 4924 |     assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
      |                                                            ^
In file included from nio4r_ext.c:7:
../libev/ev.c: At top level:
../libev/ev.c:5268:27: warning: "/*" within comment [-Wcomment]
 5268 | /* EV_STAT     0x00001000 /* stat data changed */
      |                            
../libev/ev.c:5269:27: warning: "/*" within comment [-Wcomment]
 5269 | /* EV_EMBED    0x00010000 /* embedded event loop needs sweep */
      |                            
In file included from nio4r_ext.c:7:
../libev/ev.c: In function 'evpipe_write':
../libev/ev.c:2508:11: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
 2508 |           write (evpipe [1], &counter, sizeof (uint64_t));
      |           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:2520:11: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
 2520 |           write (evpipe [1], &(evpipe [1]), 1);
      |           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c: In function 'pipecb':
../libev/ev.c:2541:11: warning: ignoring return value of 'read' declared with attribute 'warn_unused_result' [-Wunused-result]
 2541 |           read (evpipe [1], &counter, sizeof (uint64_t));
      |           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:2555:11: warning: ignoring return value of 'read' declared with attribute 'warn_unused_result' [-Wunused-result]
 2555 |           read (evpipe [0], &dummy, sizeof (dummy));
      |           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gcc -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -DHAVE_UNISTD_H -DHAVE_LINUX_AIO_ABI_H -DEV_USE_LINUXAIO -DHAVE_SYS_SELECT_H -DEV_USE_SELECT -DHAVE_SYS_EPOLL_H -DEV_USE_EPOLL -DHAVE_SYS_RESOURCE_H -DHAVE_SYS_RESOURCE_H    -fPIC -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 -fno-strict-aliasing -m64 -o selector.o -c selector.c
selector.c: In function 'NIO_Selector_synchronize':
selector.c:286:26: warning: passing argument 1 of 'rb_ensure' from incompatible pointer type [-Wincompatible-pointer-types]
  286 |         return rb_ensure(func, (VALUE)args, NIO_Selector_unlock, self);
      |                          ^~~~
      |                          |
      |                          VALUE (*)(VALUE *) {aka long unsigned int (*)(long unsigned int *)}
In file included from /usr/include/ruby.h:33,
                 from nio4r.h:9,
                 from selector.c:6:
/usr/include/ruby/ruby.h:1990:17: note: expected 'VALUE (*)(VALUE)' {aka 'long unsigned int (*)(long unsigned int)'} but argument is of type 'VALUE (*)(VALUE *)' {aka 'long unsigned int (*)(long unsigned int *)'}
 1990 | VALUE rb_ensure(VALUE(*)(VALUE),VALUE,VALUE(*)(VALUE),VALUE);
      |                 ^~~~~~~~~~~~~~~
selector.c: In function 'NIO_Selector_wakeup':
selector.c:484:5: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
  484 |     write(selector->wakeup_writer, "\0", 1);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
rm -f nio4r_ext.so
gcc -shared -o nio4r_ext.so bytebuffer.o monitor.o nio4r_ext.o selector.o -L. -L/usr/lib64 -L. -Wl,-z,relro -Wl,--as-needed  -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-z,relro -Wl,--as-needed  -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld  -m64  -lruby  -lm   -lc
current directory: /builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/nio4r
"make \"DESTDIR=\" install"
/usr/bin/mkdir -p . ./.gem.20200529-30-1ib4v7n
exit > .sitearchdir.time
/usr/bin/install -c -m 0755 nio4r_ext.so ./.gem.20200529-30-1ib4v7n
current directory: /builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/nio4r
/usr/bin/ruby -I /usr/share/rubygems -r ./siteconf20200529-30-er6omc.rb extconf.rb
current directory: /builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/nio4r
make "DESTDIR=" clean
current directory: /builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/nio4r
make "DESTDIR="
current directory: /builddir/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2/ext/nio4r
make "DESTDIR=" install
Successfully installed nio4r-2.5.2
Parsing documentation for nio4r-2.5.2
Parsing sources...
  2% [ 1/36]  ext/libev/Changes
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 36% [13/36]  ext/libev/ev_win32.c
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100% [36/36]  lib/nio/version.rb
Installing ri documentation for nio4r-2.5.2
Installing darkfish documentation for nio4r-2.5.2
Done installing documentation for nio4r after 0 seconds
1 gem installed
+ RPM_EC=0
++ jobs -p
+ exit 0
Executing(%install): /bin/sh -e /var/tmp/rpm-tmp.AZ0ONt
+ umask 022
+ cd /builddir/build/BUILD
+ '[' /builddir/build/BUILDROOT/rubygem-nio4r-2.5.2-2.fc33.x86_64 '!=' / ']'
+ rm -rf /builddir/build/BUILDROOT/rubygem-nio4r-2.5.2-2.fc33.x86_64
++ dirname /builddir/build/BUILDROOT/rubygem-nio4r-2.5.2-2.fc33.x86_64
+ mkdir -p /builddir/build/BUILDROOT
+ mkdir /builddir/build/BUILDROOT/rubygem-nio4r-2.5.2-2.fc33.x86_64
+ cd nio4r-2.5.2
+ mkdir -p /builddir/build/BUILDROOT/rubygem-nio4r-2.5.2-2.fc33.x86_64/usr/share/gems
+ cp -a ./usr/share/gems/build_info ./usr/share/gems/cache ./usr/share/gems/doc ./usr/share/gems/extensions ./usr/share/gems/gems ./usr/share/gems/specifications /builddir/build/BUILDROOT/rubygem-nio4r-2.5.2-2.fc33.x86_64/usr/share/gems/
+ mkdir -p /builddir/build/BUILDROOT/rubygem-nio4r-2.5.2-2.fc33.x86_64/usr/lib64/gems/ruby/nio4r-2.5.2
+ cp -a ./usr/lib64/gems/ruby/nio4r-2.5.2/gem.build_complete ./usr/lib64/gems/ruby/nio4r-2.5.2/nio4r_ext.so /builddir/build/BUILDROOT/rubygem-nio4r-2.5.2-2.fc33.x86_64/usr/lib64/gems/ruby/nio4r-2.5.2/
+ rm -rf /builddir/build/BUILDROOT/rubygem-nio4r-2.5.2-2.fc33.x86_64/usr/share/gems/gems/nio4r-2.5.2/ext/
+ /usr/lib/rpm/find-debuginfo.sh -j2 --strict-build-id -m -i --build-id-seed 2.5.2-2.fc33 --unique-debug-suffix -2.5.2-2.fc33.x86_64 --unique-debug-src-base rubygem-nio4r-2.5.2-2.fc33.x86_64 --run-dwz --dwz-low-mem-die-limit 10000000 --dwz-max-die-limit 110000000 -S debugsourcefiles.list /builddir/build/BUILD/nio4r-2.5.2
explicitly decompress any DWARF compressed ELF sections in /builddir/build/BUILDROOT/rubygem-nio4r-2.5.2-2.fc33.x86_64/usr/lib64/gems/ruby/nio4r-2.5.2/nio4r_ext.so
extracting debug info from /builddir/build/BUILDROOT/rubygem-nio4r-2.5.2-2.fc33.x86_64/usr/lib64/gems/ruby/nio4r-2.5.2/nio4r_ext.so
original debug info size: 356kB, size after compression: 332kB
/usr/lib/rpm/sepdebugcrcfix: Updated 1 CRC32s, 0 CRC32s did match.
507 blocks
+ /usr/lib/rpm/check-buildroot
+ /usr/lib/rpm/redhat/brp-ldconfig
+ /usr/lib/rpm/brp-compress
+ /usr/lib/rpm/redhat/brp-strip-lto /usr/bin/strip
+ /usr/lib/rpm/brp-strip-static-archive /usr/bin/strip
+ /usr/lib/rpm/redhat/brp-python-bytecompile /usr/bin/python 1 0
+ /usr/lib/rpm/brp-python-hardlink
+ /usr/lib/rpm/redhat/brp-mangle-shebangs
mangling shebang in /usr/share/gems/gems/nio4r-2.5.2/examples/echo_server.rb from /usr/bin/env ruby to #!/usr/bin/ruby
Executing(%check): /bin/sh -e /var/tmp/rpm-tmp.IiSIix
+ umask 022
+ cd /builddir/build/BUILD
~/build/BUILD/nio4r-2.5.2/usr/share/gems/gems/nio4r-2.5.2 ~/build/BUILD/nio4r-2.5.2
+ cd nio4r-2.5.2
+ pushd ./usr/share/gems/gems/nio4r-2.5.2
++ cut -d ' ' -f3
++ grep EV_VERSION_MAJOR ext/libev/ev.h
+ EV_VERSION_MAJOR=4
++ grep EV_VERSION_MINOR ext/libev/ev.h
++ cut -d ' ' -f3
+ EV_VERSION_MINOR=27
+ '[' 4.27 = 4.27 ']'
+ sed -i '/require "coveralls"/ s/^/#/' spec/spec_helper.rb
+ sed -i '/Coveralls.wear!/ s/^/#/' spec/spec_helper.rb
++ dirs +1
+ rspec -I~/build/BUILD/nio4r-2.5.2/usr/lib64/gems/ruby/nio4r-2.5.2 spec
Randomized with seed 4693
TCPSocket
  behaves like an NIO selectable
    does not select unwritable objects
    does not select unreadable objects
    selects writable objects
    selects readable objects
  behaves like an NIO selectable stream
    selects readable when the other end closes
  connect
    selects writable when connected
  behaves like an NIO bidirectional stream
    keeps readiness after the selectable has been closed
    selects readable and writable
NIO::Monitor
  #interests=
    can set interests to nil
    raises EOFError if interests are changed after the monitor is closed
    changes the interest set
  #readiness
    knows what operations IO objects are ready for
  #close
    closes
    closes even if the selector has been shutdown
  #remove_interest
    raises ArgumentError if given a bogus option
    acts idempotently
    removes an interest from the set
    can clear the last interest
  #interests
    knows its interests
  #value=
    stores arbitrary values
  #add_interest
    raises ArgumentError if given a bogus option
    acts idempotently
    sets a new interest if it isn't currently registered
  #io
    knows its IO object
  #selector
    knows its selector
UDPSocket
  behaves like an NIO selectable
    does not select unwritable objects (PENDING: come up with a UDPSocket that's blocked on writing)
    selects writable objects
    does not select unreadable objects
    selects readable objects
NIO::ByteBuffer
  #inspect
    inspects the buffer offsets
  #flip
    sets remaining to the previous position
    sets limit to the previous position
    flips the bytebuffer
  #compact
    copies data from the current position to the beginning of the buffer
  #rewind
    rewinds the buffer leaving the limit intact
  #limit
    defaults to the buffer's capacity
  #position
    defaults to zero
  #<<
    raises TypeError if given a non-String type
    raises NIO::ByteBuffer::OverflowError if the buffer is full
    adds strings to the buffer
  #reset
    returns to a previously marked position
    raises NIO::ByteBuffer::MarkUnsetError unless mark has been set
  #limit=
    sets position to the new limit if the previous position is beyond the limit
    raises ArgumentError if specified limit is less than zero
    preserves position and mark if they're less than the new limit
    raises ArgumentError if specified limit exceeds capacity
    clears the mark if the new limit is before the current mark
    sets the buffer's limit to a valid value
  #each
    iterates over data in the buffer
  #get
    reads all remaining data if no length is given
    reads zeroes from a newly initialized buffer
    advances position as data is read
    raises NIO::ByteBuffer::UnderflowError if there is not enough data in the buffer
  #full?
    returns true when the buffer is full
    returns false when there is space remaining in the buffer
  #position=
    raises ArgumentError if the specified position exceeds the limit
    raises ArgumentError if the specified position is less than zero
    sets the buffer's position to a valid value
  I/O
    #write_to
      writes data from the buffer
      raises NIO::ByteBuffer::UnderflowError if the buffer is out of data
    #read_from
      reads data into the buffer
      raises NIO::ByteBuffer::OverflowError if the buffer is already full
      returns 0 if no data is available
  #initialize
    raises TypeError if given a bogus argument
  #capacity
    has the requested capacity
  #mark
    returns self
  #[]
    raises ArgumentError if the index is less than zero
    obtains bytes at a given index without altering position
    raises ArgumentError if the index exceeds the limit
  #remaining
    calculates the number of bytes remaining
  #clear
    clears the buffer
OpenSSL::SSL::SSLSocket
  using TLS 1.2
    behaves like an NIO selectable stream
      selects readable when the other end closes
    behaves like an NIO selectable
      selects readable objects
      does not select unreadable objects
      selects writable objects
      does not select unwritable objects
  using TLS 1.3
    behaves like an NIO selectable stream
      selects readable when the other end closes
    behaves like an NIO selectable
      selects readable objects
      does not select unreadable objects
      does not select unwritable objects
      selects writable objects
NIO::Selector
  allows reregistration of the same IO object across select calls
  knows which IO objects are registered
  deregisters IO objects
  allows deregistering closed IO objects
  reports if it is empty
  closes
  #initialize
    raises ArgumentError if given an invalid backend
    raises TypeError if given a non-Symbol parameter
    allows explicitly specifying a backend
      Supported backends: [:epoll, :poll, :select]
  register
    raises TypeError if asked to register non-IO objects
    raises when asked to register after closing
    registers IO objects
  backend
    knows its backend
      Current backend: epoll
  .backends
    knows all supported backends
  wakeup
    wakes up if signaled to from another thread
    raises IOError if asked to wake up a closed selector
  select
    raises IOError if asked to select on a closed selector
    selects IO objects
    does not block on super small precision intervals
    selects closed IO objects
    iterates across selected objects with a block
  timeouts
    waits for timeout when selecting from empty selector
    raises ArgumentError if given a negative timeout
    waits for a timeout when selecting with reader
IO.pipe
  behaves like an NIO selectable
    does not select unwritable objects
    does not select unreadable objects
    selects writable objects
    selects readable objects
  behaves like an NIO selectable stream
    selects readable when the other end closes
NIO acceptables
  TCPServer
    behaves like an NIO acceptable
      selects for read readiness
Pending: (Failures listed here are expected and do not affect your suite's status)
  1) UDPSocket behaves like an NIO selectable does not select unwritable objects
     # come up with a UDPSocket that's blocked on writing
     Failure/Error: selector.register(unwritable_subject, :w)
     TypeError:
       no implicit conversion of false into IO
     Shared Example Group: "an NIO selectable" called from ./spec/nio/selectables/udp_socket_spec.rb:47
     # ./spec/support/selectable_examples.rb:36:in `initialize'
     # ./spec/support/selectable_examples.rb:36:in `register'
     # ./spec/support/selectable_examples.rb:36:in `block (2 levels) in <top (required)>'
Finished in 8.39 seconds (files took 0.14996 seconds to load)
111 examples, 0 failures, 1 pending
Randomized with seed 4693
+ popd
~/build/BUILD/nio4r-2.5.2
+ RPM_EC=0
++ jobs -p
+ exit 0
Processing files: rubygem-nio4r-2.5.2-2.fc33.x86_64
Provides: bundled(libev) = 4.27 rubygem(nio4r) = 2.5.2 rubygem-nio4r = 2.5.2-2.fc33 rubygem-nio4r(x86-64) = 2.5.2-2.fc33
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Requires: libc.so.6()(64bit) libc.so.6(GLIBC_2.14)(64bit) libc.so.6(GLIBC_2.17)(64bit) libc.so.6(GLIBC_2.2.5)(64bit) libc.so.6(GLIBC_2.3.2)(64bit) libc.so.6(GLIBC_2.3.4)(64bit) libc.so.6(GLIBC_2.4)(64bit) libc.so.6(GLIBC_2.7)(64bit) libc.so.6(GLIBC_2.9)(64bit) libruby.so.2.7()(64bit) rtld(GNU_HASH) ruby(rubygems)
Processing files: rubygem-nio4r-doc-2.5.2-2.fc33.noarch
Provides: rubygem-nio4r-doc = 2.5.2-2.fc33
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Requires: /usr/bin/ruby
Processing files: rubygem-nio4r-debugsource-2.5.2-2.fc33.x86_64
Provides: rubygem-nio4r-debugsource = 2.5.2-2.fc33 rubygem-nio4r-debugsource(x86-64) = 2.5.2-2.fc33
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Processing files: rubygem-nio4r-debuginfo-2.5.2-2.fc33.x86_64
Provides: debuginfo(build-id) = 8d98504140e9a985a1b6f5183f8dbb28ceec5330 rubygem-nio4r-debuginfo = 2.5.2-2.fc33 rubygem-nio4r-debuginfo(x86-64) = 2.5.2-2.fc33
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Recommends: rubygem-nio4r-debugsource(x86-64) = 2.5.2-2.fc33
Checking for unpackaged file(s): /usr/lib/rpm/check-files /builddir/build/BUILDROOT/rubygem-nio4r-2.5.2-2.fc33.x86_64
Wrote: /builddir/build/RPMS/rubygem-nio4r-2.5.2-2.fc33.x86_64.rpm
Wrote: /builddir/build/RPMS/rubygem-nio4r-debugsource-2.5.2-2.fc33.x86_64.rpm
Wrote: /builddir/build/RPMS/rubygem-nio4r-doc-2.5.2-2.fc33.noarch.rpm
Wrote: /builddir/build/RPMS/rubygem-nio4r-debuginfo-2.5.2-2.fc33.x86_64.rpm
Executing(%clean): /bin/sh -e /var/tmp/rpm-tmp.3M8OJv
+ umask 022
+ cd /builddir/build/BUILD
+ cd nio4r-2.5.2
+ /usr/bin/rm -rf /builddir/build/BUILDROOT/rubygem-nio4r-2.5.2-2.fc33.x86_64
+ RPM_EC=0
++ jobs -p
+ exit 0
Child return code was: 0