these 3 derivations will be built:
  /nix/store/fyf72smjm8rlnsg6asbsmlf9krnl7s4n-docker-image-sources.drv
  /nix/store/4v20x2i3x5s94j1cdq9qj55zxvwvy8i9-docker-image-inputs.drv
  /nix/store/kkh47v24zb71xy71bbc75y44y1f5x1xs-docker-image-inputs-hash.drv
building '/nix/store/fyf72smjm8rlnsg6asbsmlf9krnl7s4n-docker-image-sources.drv' on 'ssh-ng://nixbot-remote-build@62.210.193.142'
building '/nix/store/fyf72smjm8rlnsg6asbsmlf9krnl7s4n-docker-image-sources.drv'
docker-image-sources> Running phase: unpackPhase
docker-image-sources> unpacking source archive /nix/store/va25czbdpi5cdykw753g2r6bgfik2awm-source
docker-image-sources> source root is source
docker-image-sources> Running phase: installPhase
building '/nix/store/4v20x2i3x5s94j1cdq9qj55zxvwvy8i9-docker-image-inputs.drv' on 'ssh-ng://nixbot-remote-build@62.210.193.142'
building '/nix/store/4v20x2i3x5s94j1cdq9qj55zxvwvy8i9-docker-image-inputs.drv'
docker-image-inputs> Running phase: patchPhase
docker-image-inputs> Running phase: updateAutotoolsGnuConfigScriptsPhase
docker-image-inputs> Running phase: configurePhase
docker-image-inputs> no configure script, doing nothing
docker-image-inputs> Running phase: buildPhase
docker-image-inputs> no Makefile or custom buildPhase, doing nothing
docker-image-inputs> Running phase: installPhase
docker-image-inputs> Running phase: fixupPhase
docker-image-inputs> checking for references to /nix/var/nix/builds/nix-93241-2741167907/ in /nix/store/3pc3p9vhhvf14arra1q3z2gj5nwbp18i-docker-image-inputs...
docker-image-inputs> patching script interpreter paths in /nix/store/3pc3p9vhhvf14arra1q3z2gj5nwbp18i-docker-image-inputs
building '/nix/store/kkh47v24zb71xy71bbc75y44y1f5x1xs-docker-image-inputs-hash.drv' on 'ssh-ng://nixbot-remote-build@62.210.193.142'
building '/nix/store/kkh47v24zb71xy71bbc75y44y1f5x1xs-docker-image-inputs-hash.drv'