these 3 derivations will be built:
  /nix/store/bgdxkk6gq1nz952iqcd5s9hj628gmvgb-docker-image-sources.drv
  /nix/store/ky4jjam5qqnps9qiy27nk4lmvsf7jm1b-docker-image-inputs.drv
  /nix/store/6hnsswxdfdypwmgrvkm7gic7w3sjdhwp-docker-image-inputs-hash.drv
building '/nix/store/bgdxkk6gq1nz952iqcd5s9hj628gmvgb-docker-image-sources.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'
building '/nix/store/bgdxkk6gq1nz952iqcd5s9hj628gmvgb-docker-image-sources.drv'
docker-image-sources> Running phase: unpackPhase
docker-image-sources> unpacking source archive /nix/store/l07vgj0p925fk74gjb0xf5yl7hgj7mfb-source
docker-image-sources> source root is source
docker-image-sources> Running phase: installPhase
building '/nix/store/ky4jjam5qqnps9qiy27nk4lmvsf7jm1b-docker-image-inputs.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'
building '/nix/store/ky4jjam5qqnps9qiy27nk4lmvsf7jm1b-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/rfmmv9k58wx89b5slp6aym0r77wjqczp-docker-image-inputs
docker-image-inputs> checking for references to /build/ in /nix/store/rfmmv9k58wx89b5slp6aym0r77wjqczp-docker-image-inputs...
docker-image-inputs> patching script interpreter paths in /nix/store/rfmmv9k58wx89b5slp6aym0r77wjqczp-docker-image-inputs
building '/nix/store/6hnsswxdfdypwmgrvkm7gic7w3sjdhwp-docker-image-inputs-hash.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'
building '/nix/store/6hnsswxdfdypwmgrvkm7gic7w3sjdhwp-docker-image-inputs-hash.drv'