this derivation will be built:
  /nix/store/bpc963pzqm8c65kzz6pz3gia6n54pak9-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/bpc963pzqm8c65kzz6pz3gia6n54pak9-bcachefs-module-7.0.0-39-generic.drv'...