this derivation will be built:
  /nix/store/qzny2rvp22qyympj9z7zd77if1kr5xkj-bcachefs-module-7.0.0-26-generic.drv
building '/nix/store/qzny2rvp22qyympj9z7zd77if1kr5xkj-bcachefs-module-7.0.0-26-generic.drv'...