this derivation will be built:
  /nix/store/8x8bkva62jy2xpgr69wzhkr7kbn3qif4-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/8x8bkva62jy2xpgr69wzhkr7kbn3qif4-bcachefs-module-7.0.0-38-generic.drv'...