this derivation will be built:
  /nix/store/pl6sbp50gg636vgv7y5qlsmqd3k2xhjp-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/pl6sbp50gg636vgv7y5qlsmqd3k2xhjp-bcachefs-module-7.0.0-39-generic.drv'...