this derivation will be built:
  /nix/store/z4wga5ri46v8kzv1yb84griz97clkz5q-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/z4wga5ri46v8kzv1yb84griz97clkz5q-bcachefs-module-7.0.0-31-generic.drv'...