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Make all proc-macro back-compat lints deny-by-default

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The affected crates have had plenty of time to update.
By keeping these as lints rather than making them hard errors,
we ensure that downstream crates will still be able to compile,
even if they transitive depend on broken versions of the affected
crates.

This should hopefully discourage anyone from writing any
new code which relies on the backwards-compatibility behavior.
This commit is contained in:
Aaron Hill 2021-08-14 19:49:08 -05:00
parent 5dab47dcd8
commit 02e4d0b3b5
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9 changed files with 86 additions and 88 deletions
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4
compiler/rustc_lint_defs/src/builtin.rs
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@ -1957,7 +1957,7 @@ declare_lint! {
/// [issue #50504]: https://github.com/rust-lang/rust/issues/50504
/// [future-incompatible]: ../index.md#future-incompatible-lints
pub PROC_MACRO_DERIVE_RESOLUTION_FALLBACK,
Warn,
Deny,
"detects proc macro derives using inaccessible names from parent modules",
@future_incompatible = FutureIncompatibleInfo {
reference: "issue #83583 <https://github.com/rust-lang/rust/issues/83583>",
@ -3253,7 +3253,7 @@ declare_lint! {
/// [issue #83125]: https://github.com/rust-lang/rust/issues/83125
/// [future-incompatible]: ../index.md#future-incompatible-lints
pub PROC_MACRO_BACK_COMPAT,
Warn,
Deny,
"detects usage of old versions of certain proc-macro crates",
@future_incompatible = FutureIncompatibleInfo {
reference: "issue #83125 <https://github.com/rust-lang/rust/issues/83125>",