this derivation will be built:
  /nix/store/611vxgfys8zp3d5y3xpd1j1535025zm6-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/611vxgfys8zp3d5y3xpd1j1535025zm6-bcachefs-module-7.0.0-38-generic.drv'...