this derivation will be built:
  /nix/store/xad197dkxign1s5cvb6f39fxdbcxqwcl-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/xad197dkxign1s5cvb6f39fxdbcxqwcl-bcachefs-module-7.0.0-29-generic.drv'...