this derivation will be built:
  /nix/store/755w3dl1iwq09k49261p6v8cvki80q8j-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/755w3dl1iwq09k49261p6v8cvki80q8j-bcachefs-module-7.0.0-39-generic.drv'...