this derivation will be built:
  /nix/store/ampi29j6mp7j1pb6jkm4z8lzmwd5bvq7-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/ampi29j6mp7j1pb6jkm4z8lzmwd5bvq7-bcachefs-module-7.0.0-29-generic.drv'...