these 3 derivations will be built:
  /nix/store/5adsj222q22v6wrcfpj1maqx3nlg92a3-docker-image-sources.drv
  /nix/store/b7373qx6k92c7sip5c5fpychmd0wz4nf-docker-image-inputs.drv
  /nix/store/gd4y1lwf9r60mj2lxmpigvdb7avfxsj6-docker-image-inputs-hash.drv
building '/nix/store/5adsj222q22v6wrcfpj1maqx3nlg92a3-docker-image-sources.drv'
docker-image-sources> Running phase: unpackPhase
docker-image-sources> unpacking source archive /nix/store/zhffl04h3ccvl9qk8j8m5xlgh97r0hcs-source
docker-image-sources> source root is source
docker-image-sources> Running phase: installPhase
building '/nix/store/b7373qx6k92c7sip5c5fpychmd0wz4nf-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/mgphdqw21xxlki02qixjymbk7zz1c91g-docker-image-inputs
docker-image-inputs> checking for references to /build/ in /nix/store/mgphdqw21xxlki02qixjymbk7zz1c91g-docker-image-inputs...
docker-image-inputs> patching script interpreter paths in /nix/store/mgphdqw21xxlki02qixjymbk7zz1c91g-docker-image-inputs
building '/nix/store/gd4y1lwf9r60mj2lxmpigvdb7avfxsj6-docker-image-inputs-hash.drv'