this derivation will be built:
  /nix/store/bf5ak77zxy09rrz2jfrmh1pii7x74gkc-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/bf5ak77zxy09rrz2jfrmh1pii7x74gkc-bcachefs-module-7.0.0-27-generic.drv'...