this derivation will be built:
  /nix/store/b64n1l5cjdli0ir6sf74wn9c5fsr451n-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/b64n1l5cjdli0ir6sf74wn9c5fsr451n-bcachefs-module-7.0.0-28-generic.drv'...