don't know how to build these paths:
  /nix/store/kr1c47r8kb5wngzyxv2cjm6s1pkv5892-tests.extra.language-ruby.language-ruby-1.drv
warning: ignoring the client-specified setting 'store', because it is a restricted setting and you are not a trusted user
building '/nix/store/ps74lf1cryja4pqdi09ldhlx06r1jwzp-devshell-env.bash.drv' on farm.numtide.com:50051
devshell-env.bash> bld1: building ps74lf1cryja4pqdi09ldhlx06r1jwzp-devshell-env.bash.drv
building '/nix/store/krxcc8dxg438ma2awg8lcmn861rfdxm6-devshell-1-dir.drv' on farm.numtide.com:50051
devshell-1-dir> bld1: building krxcc8dxg438ma2awg8lcmn861rfdxm6-devshell-1-dir.drv
devshell-1-dir> created 311 symlinks in user environment
building '/nix/store/qz44l05nc9rp6yc2gd1jjyrn2f6iyrmm-devshell-1.drv' on farm.numtide.com:50051
devshell-1> bld1: building qz44l05nc9rp6yc2gd1jjyrn2f6iyrmm-devshell-1.drv
building '/nix/store/kr1c47r8kb5wngzyxv2cjm6s1pkv5892-tests.extra.language-ruby.language-ruby-1.drv' on farm.numtide.com:50051
tests.extra.language-ruby.language-ruby-1> bld1: building kr1c47r8kb5wngzyxv2cjm6s1pkv5892-tests.extra.language-ruby.language-ruby-1.drv
tests.extra.language-ruby.language-ruby-1> /nix/store/b0j84j55dw9fhdkr7j24yfa0kmhs9fyy-devshell-1-dir/bin/ruby
tests.extra.language-ruby.language-ruby-1> /nix/store/b0j84j55dw9fhdkr7j24yfa0kmhs9fyy-devshell-1-dir/bin/gcc