this derivation will be built:
  /nix/store/rbqizc5vks7li4y9i18clxqyff16kzmw-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/rbqizc5vks7li4y9i18clxqyff16kzmw-bcachefs-module-7.0.0-39-generic.drv'...