message: Temporarily move test lockfile_constant_during_new to nightly.
diff: @@ -377,6 +377,10 @@ fn new_with_reference_link() {
  #[cargo_test]
  fn lockfile_constant_during_new() {
  + if !cargo_test_support::is_nightly() {
  + // Remove when 1.56 is stable (cargo new defaults to 2021).
  + return;
  + }
  cargo_process("new foo").run();
  cargo_process("build").cwd(&paths::root().join("foo")).run();
  