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Diffstat (limited to 'crates/proc-macro-api/src/process.rs')
| -rw-r--r-- | crates/proc-macro-api/src/process.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/crates/proc-macro-api/src/process.rs b/crates/proc-macro-api/src/process.rs index 1365245f98..7bddb940e2 100644 --- a/crates/proc-macro-api/src/process.rs +++ b/crates/proc-macro-api/src/process.rs @@ -274,9 +274,9 @@ fn mk_child<'a>( #[allow(clippy::disallowed_methods)] let mut cmd = Command::new(path); if matches!(protocol, Protocol::LegacyJson { .. }) { - cmd.args(["--format", "json"]); + cmd.args(["--format", "json-legacy"]); } else { - cmd.args(["--format", "postcard"]); + cmd.args(["--format", "postcard-legacy"]); } for env in extra_env { match env { |