these 3 derivations will be built:
  /nix/store/ahdbvb1b79m8gcg1wsh0f4lkbgh5828f-docker-image-sources.drv
  /nix/store/4nn66g33icx1cnfgyk5fq8nmf5g99a9c-docker-image-inputs.drv
  /nix/store/w1i9w0rjl11hi6iaas5awwx589rk6pys-docker-image-inputs-hash.drv
building '/nix/store/ahdbvb1b79m8gcg1wsh0f4lkbgh5828f-docker-image-sources.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'
building '/nix/store/ahdbvb1b79m8gcg1wsh0f4lkbgh5828f-docker-image-sources.drv'
docker-image-sources> Running phase: unpackPhase
docker-image-sources> unpacking source archive /nix/store/bpzddkdcnp6h94b045ijllgynln07gvj-source
docker-image-sources> source root is source
docker-image-sources> Running phase: installPhase
building '/nix/store/4nn66g33icx1cnfgyk5fq8nmf5g99a9c-docker-image-inputs.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'
building '/nix/store/4nn66g33icx1cnfgyk5fq8nmf5g99a9c-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> shrinking RPATHs of ELF executables and libraries in /nix/store/mn5i0v9s68kackaxqrfv1g6d8nq9frss-docker-image-inputs
docker-image-inputs> checking for references to /build/ in /nix/store/mn5i0v9s68kackaxqrfv1g6d8nq9frss-docker-image-inputs...
docker-image-inputs> patching script interpreter paths in /nix/store/mn5i0v9s68kackaxqrfv1g6d8nq9frss-docker-image-inputs
building '/nix/store/w1i9w0rjl11hi6iaas5awwx589rk6pys-docker-image-inputs-hash.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'
building '/nix/store/w1i9w0rjl11hi6iaas5awwx589rk6pys-docker-image-inputs-hash.drv'