these 3 derivations will be built:
  /nix/store/rs36jhig0hif2lhxxjwyw9pnx7h8zdm7-docker-image-sources.drv
  /nix/store/rwzjrdwib6n6mcivbbqmg53vyii8n9h4-docker-image-inputs.drv
  /nix/store/g41rvsgzr5cj1cd1hqbqxf0v5kr35q3n-docker-image-inputs-hash.drv
building '/nix/store/rs36jhig0hif2lhxxjwyw9pnx7h8zdm7-docker-image-sources.drv'
docker-image-sources> Running phase: unpackPhase
docker-image-sources> unpacking source archive /nix/store/ibdxazb1c4i7srfm760lrw094326aba6-source
docker-image-sources> source root is source
docker-image-sources> Running phase: installPhase
building '/nix/store/rwzjrdwib6n6mcivbbqmg53vyii8n9h4-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/3mzmjk4axd437r7fgf9wf24rkvyxzq0j-docker-image-inputs
docker-image-inputs> checking for references to /build/ in /nix/store/3mzmjk4axd437r7fgf9wf24rkvyxzq0j-docker-image-inputs...
docker-image-inputs> patching script interpreter paths in /nix/store/3mzmjk4axd437r7fgf9wf24rkvyxzq0j-docker-image-inputs
building '/nix/store/g41rvsgzr5cj1cd1hqbqxf0v5kr35q3n-docker-image-inputs-hash.drv'