this derivation will be built:
  /nix/store/3xwmb5mdashzfm6ynpl847y9z8id3vqc-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/3xwmb5mdashzfm6ynpl847y9z8id3vqc-bcachefs-module-7.0.0-29-generic.drv'...