this derivation will be built:
  /nix/store/kbnzx5mcqvq5awjnnx09zzazka9n4h95-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/kbnzx5mcqvq5awjnnx09zzazka9n4h95-bcachefs-module-7.0.0-39-generic.drv'...