this derivation will be built:
  /nix/store/r7hpz9y6zh2van55f7m5k2vq7cj50791-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/r7hpz9y6zh2van55f7m5k2vq7cj50791-bcachefs-module-7.0.0-38-generic.drv'...