this derivation will be built:
  /nix/store/f1b82np6qlx78ivi37kwbfva5cllxi7w-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/f1b82np6qlx78ivi37kwbfva5cllxi7w-bcachefs-module-7.0.0-38-generic.drv'...