this derivation will be built:
  /nix/store/0j3b1s8yxzfljy2f8dhip6z597j7mbk8-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/0j3b1s8yxzfljy2f8dhip6z597j7mbk8-bcachefs-module-7.0.0-38-generic.drv'...