• built on NixOS
• Warning: no invocation of /nix/store/svxj4zrnxqkvmcm7zsz6gkry95nfrh6v-libqmatrixclient-0.4.2.1/bin/qmc-example had a zero exit code or showed the expected version
• 0 of 1 passed binary check by having a zero exit code.
• 0 of 1 passed binary check by having the new version present in output.
• found 0.4.2.1 with grep in /nix/store/svxj4zrnxqkvmcm7zsz6gkry95nfrh6v-libqmatrixclient-0.4.2.1
• directory tree listing: https://gist.github.com/743d2a2f58d8a876e08d9b5404aaac63
• du listing: https://gist.github.com/12216d5bb5620943766e541d015f3e9b

11 total rebuild path(s)

3 package rebuild(s)

3 x86_64-linux rebuild(s)
3 i686-linux rebuild(s)
2 x86_64-darwin rebuild(s)
3 aarch64-linux rebuild(s)

First fifty rebuilds by attrpath
libqmatrixclient
matrique
quaternion

Either download from Cachix:

nix-store -r /nix/store/svxj4zrnxqkvmcm7zsz6gkry95nfrh6v-libqmatrixclient-0.4.2.1 \
  --option binary-caches 'https://cache.nixos.org/ https://r-ryantm.cachix.org/' \
  --option trusted-public-keys '
  r-ryantm.cachix.org-1:gkUbLkouDAyvBdpBX0JOdIiD2/DP1ldF3Z3Y6Gqcc4c=
  cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
  '

(r-ryantm's Cachix cache is only trusted for this store-path realization.)

Or, build yourself:

nix-build -A libqmatrixclient https://github.com/r-ryantm/nixpkgs/archive/4a6883c1f1cc0eeda579a6d8adc74177f9aa6140.tar.gz

After you've downloaded or built it, look at the files and if there are any, run the binaries:

ls -la /nix/store/svxj4zrnxqkvmcm7zsz6gkry95nfrh6v-libqmatrixclient-0.4.2.1
ls -la /nix/store/svxj4zrnxqkvmcm7zsz6gkry95nfrh6v-libqmatrixclient-0.4.2.1/bin