this derivation will be built:
  /nix/store/r87f2qbn6whlhajx877n6bgaapgx1fpa-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/r87f2qbn6whlhajx877n6bgaapgx1fpa-bcachefs-module-7.0.0-34-generic.drv'...