this derivation will be built:
  /nix/store/axwi2k6s2yl3yscljrcqqz4hi259y7i4-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/axwi2k6s2yl3yscljrcqqz4hi259y7i4-bcachefs-module-7.0.0-39-generic.drv'...