this derivation will be built:
  /nix/store/fp20i4l0d27kqlj3rjmpwkbxqa1bfq2j-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/fp20i4l0d27kqlj3rjmpwkbxqa1bfq2j-bcachefs-module-7.0.0-39-generic.drv'...