this derivation will be built:
  /nix/store/msr4bxvrcy1zaqd0wh154qlxc2anwyrj-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/msr4bxvrcy1zaqd0wh154qlxc2anwyrj-bcachefs-module-7.0.0-39-generic.drv'...