these 3 derivations will be built:
  /nix/store/gx6in5px208wbrfz5lviqg8b9n91cjdm-docker-image-sources.drv
  /nix/store/2fmb4dg0x23jnwwzawd0vsz2h6haaxb1-docker-image-inputs.drv
  /nix/store/61jvz0k2j1qgnp1yrxpy3kxih8iqdv0y-docker-image-inputs-hash.drv
building '/nix/store/gx6in5px208wbrfz5lviqg8b9n91cjdm-docker-image-sources.drv'
docker-image-sources> Running phase: unpackPhase
docker-image-sources> unpacking source archive /nix/store/kgydjsyaqc00ccqszvkl38piqp1vs5k1-source
docker-image-sources> source root is source
docker-image-sources> Running phase: installPhase
building '/nix/store/2fmb4dg0x23jnwwzawd0vsz2h6haaxb1-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/cassxarls6gj2vfm996h5sx6f9nfrqn6-docker-image-inputs
docker-image-inputs> checking for references to /build/ in /nix/store/cassxarls6gj2vfm996h5sx6f9nfrqn6-docker-image-inputs...
docker-image-inputs> patching script interpreter paths in /nix/store/cassxarls6gj2vfm996h5sx6f9nfrqn6-docker-image-inputs
building '/nix/store/61jvz0k2j1qgnp1yrxpy3kxih8iqdv0y-docker-image-inputs-hash.drv'