this derivation will be built:
  /nix/store/va90msay0mbfxszlx5l6d37398pay12n-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/va90msay0mbfxszlx5l6d37398pay12n-bcachefs-module-7.0.0-39-generic.drv'...