these 3 derivations will be built:
  /nix/store/27jfx11s42r8bhvbf5ilqgcmv1045gv1-docker-image-sources.drv
  /nix/store/lnlfgzfvir9nr8yqgr3irl4r2gpshg5h-docker-image-inputs.drv
  /nix/store/vhxakcymk54qhjq1j8bb6rh7kj2rw461-docker-image-inputs-hash.drv
building '/nix/store/27jfx11s42r8bhvbf5ilqgcmv1045gv1-docker-image-sources.drv'
docker-image-sources> Running phase: unpackPhase
docker-image-sources> unpacking source archive /nix/store/k4g59wkm4r1gldmpi42pign7rvl5nvs1-source
docker-image-sources> source root is source
docker-image-sources> Running phase: installPhase
building '/nix/store/lnlfgzfvir9nr8yqgr3irl4r2gpshg5h-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/mfdhm6lqapxfxg30g20i9il0hb87v8wi-docker-image-inputs
docker-image-inputs> checking for references to /build/ in /nix/store/mfdhm6lqapxfxg30g20i9il0hb87v8wi-docker-image-inputs...
docker-image-inputs> patching script interpreter paths in /nix/store/mfdhm6lqapxfxg30g20i9il0hb87v8wi-docker-image-inputs
building '/nix/store/vhxakcymk54qhjq1j8bb6rh7kj2rw461-docker-image-inputs-hash.drv'