this derivation will be built:
  /nix/store/i4cci5q2d7zi5zqisqlx8bs5vwff49y9-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/i4cci5q2d7zi5zqisqlx8bs5vwff49y9-bcachefs-module-7.0.0-39-generic.drv'...