this derivation will be built:
  /nix/store/20pnrqkid5n3hd7jzrl95j87wviwkmqb-bcachefs-module-7.0.0-28-generic-64k.drv
building '/nix/store/20pnrqkid5n3hd7jzrl95j87wviwkmqb-bcachefs-module-7.0.0-28-generic-64k.drv'...