this derivation will be built:
  /nix/store/34v6yc10in3k0cdpx3n06dcsq0n1hxb4-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/34v6yc10in3k0cdpx3n06dcsq0n1hxb4-bcachefs-module-7.0.0-38-generic.drv'...