this derivation will be built:
  /nix/store/15y01z9q3v8vjmpfay7wbijgqrjawqqh-bcachefs-module-7.0.0-28-generic-64k.drv
building '/nix/store/15y01z9q3v8vjmpfay7wbijgqrjawqqh-bcachefs-module-7.0.0-28-generic-64k.drv'...