this derivation will be built:
  /nix/store/iar8lmarhhzqb91m9gy7g040q88razpx-release-rehearsal.drv
this path will be fetched (0.0 KiB download, 2.5 KiB unpacked):
  /nix/store/j9g09q1rrl1rcacgp721izias3rfkwh4-github-api-stub.py