this derivation will be built:
  /nix/store/fjwj4pgr7vwzg9xw9cbfpzj4v0jlhksd-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/fjwj4pgr7vwzg9xw9cbfpzj4v0jlhksd-bcachefs-module-7.0.0-27-generic.drv'...