these 3 derivations will be built:
  /nix/store/kn3cvmbyx0q3fgh7psb7jhc8ji00b6il-docker-image-sources.drv
  /nix/store/xc6x83vj4xwil45d1bqzkbgss550v5b4-docker-image-inputs.drv
  /nix/store/995654h17941hn65sjhrd9yvq2ikkxd9-docker-image-inputs-hash.drv
building '/nix/store/kn3cvmbyx0q3fgh7psb7jhc8ji00b6il-docker-image-sources.drv'
docker-image-sources> Running phase: unpackPhase
docker-image-sources> unpacking source archive /nix/store/7vkf1nlbpp6lxlkd1360hsrjg3wj1azi-source
docker-image-sources> source root is source
docker-image-sources> Running phase: installPhase
building '/nix/store/xc6x83vj4xwil45d1bqzkbgss550v5b4-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/i4acln4wcfr6p6zfl5hp3ilbhaa411xw-docker-image-inputs
docker-image-inputs> checking for references to /build/ in /nix/store/i4acln4wcfr6p6zfl5hp3ilbhaa411xw-docker-image-inputs...
docker-image-inputs> patching script interpreter paths in /nix/store/i4acln4wcfr6p6zfl5hp3ilbhaa411xw-docker-image-inputs
building '/nix/store/995654h17941hn65sjhrd9yvq2ikkxd9-docker-image-inputs-hash.drv'