this derivation will be built:
  /nix/store/jnc6cb6gg07g7k8vbp5l52shzvhis2zw-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/jnc6cb6gg07g7k8vbp5l52shzvhis2zw-bcachefs-module-7.0.0-31-generic.drv'...