this derivation will be built:
  /nix/store/4c6k5d2387ydmsjpbqij6jwys9pswj3n-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/4c6k5d2387ydmsjpbqij6jwys9pswj3n-bcachefs-module-7.0.0-38-generic.drv'...