these 3 derivations will be built:
  /nix/store/nczgnji4hws0abgn9qw8dl6hqlh7kw84-docker-image-packages-manifest.drv
  /nix/store/c2r0442xyk9f3vjj76hh1080gxsk9jh2-docker-image-inputs.drv
  /nix/store/nbwzw1hrqmk8z0smmaiylcxi3ydyxqba-docker-image-inputs-hash.drv
this path will be fetched (36.0 KiB download, 230.6 KiB unpacked):
  /nix/store/a2aiqbbwi00c63ycx79s4ppj048r66gv-docker-image-sources