this derivation will be built:
  /nix/store/kihcjm2y1pz0j66ipbqlwglzd92cymnx-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/kihcjm2y1pz0j66ipbqlwglzd92cymnx-bcachefs-module-7.0.0-38-generic.drv'...