this derivation will be built:
  /nix/store/6i2iw2b6jalk35bc2chr2jsxbsr49yqv-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/6i2iw2b6jalk35bc2chr2jsxbsr49yqv-bcachefs-module-7.0.0-28-generic.drv'...