this derivation will be built:
  /nix/store/wynl8lz1kix5csbg5fsrx8s8xrr6pjid-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/wynl8lz1kix5csbg5fsrx8s8xrr6pjid-bcachefs-module-7.0.0-38-generic.drv'...