this derivation will be built:
  /nix/store/k3sa4d0p7fyr6bj8cmz99678r5gqpmnn-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/k3sa4d0p7fyr6bj8cmz99678r5gqpmnn-bcachefs-module-7.0.0-38-generic.drv'...