these 3 derivations will be built:
  /nix/store/fjnvff8kv0nhmgd19xyr6jskm7jgni9i-docker-image-sources.drv
  /nix/store/b8k23xx6mpj53nrgi203m27i9mc4qw2w-docker-image-inputs.drv
  /nix/store/h2kca531lgkx7ibz3qva6jqw0srcaa7l-docker-image-inputs-hash.drv
building '/nix/store/fjnvff8kv0nhmgd19xyr6jskm7jgni9i-docker-image-sources.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'
building '/nix/store/fjnvff8kv0nhmgd19xyr6jskm7jgni9i-docker-image-sources.drv'
docker-image-sources> Running phase: unpackPhase
docker-image-sources> unpacking source archive /nix/store/6v3ybqawmpd4bzbrzr1gz0rsgni185ni-source
docker-image-sources> source root is source
docker-image-sources> Running phase: installPhase
building '/nix/store/b8k23xx6mpj53nrgi203m27i9mc4qw2w-docker-image-inputs.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'
building '/nix/store/b8k23xx6mpj53nrgi203m27i9mc4qw2w-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/4fji1118rj8fh66vqsxgq4gbf37w42qk-docker-image-inputs
docker-image-inputs> checking for references to /build/ in /nix/store/4fji1118rj8fh66vqsxgq4gbf37w42qk-docker-image-inputs...
docker-image-inputs> patching script interpreter paths in /nix/store/4fji1118rj8fh66vqsxgq4gbf37w42qk-docker-image-inputs
building '/nix/store/h2kca531lgkx7ibz3qva6jqw0srcaa7l-docker-image-inputs-hash.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'
building '/nix/store/h2kca531lgkx7ibz3qva6jqw0srcaa7l-docker-image-inputs-hash.drv'