this derivation will be built:
  /nix/store/r9ck4fli4laa4r81cimd680sg4gzzckc-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/r9ck4fli4laa4r81cimd680sg4gzzckc-bcachefs-module-7.0.0-29-generic.drv'...