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Mark missing_fragment_specifier as FutureReleaseErrorReportInDeps
We are moving toward forbidding `missing_fragment_specifier` either in edition 2024 or unconditionally. Make a first step toward this by ensuring crates that rely on the old behavior are reported when used as dependencies. Tracking issue: <#128143>
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‎compiler/rustc_lint_defs/src/builtin.rs

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@@ -1424,7 +1424,7 @@ declare_lint! {
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Deny,
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"detects missing fragment specifiers in unused `macro_rules!` patterns",
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@future_incompatible = FutureIncompatibleInfo {
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reason: FutureIncompatibilityReason::FutureReleaseErrorDontReportInDeps,
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reason: FutureIncompatibilityReason::FutureReleaseErrorReportInDeps,
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reference: "issue #40107 <https://github.com/rust-lang/rust/issues/40107>",
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};
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}

‎tests/ui/lint/expansion-time.stderr

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@@ -55,6 +55,21 @@ LL | #[warn(incomplete_include)]
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warning: 4 warnings emitted
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Future incompatibility report: Future breakage diagnostic:
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warning: missing fragment specifier
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--> $DIR/expansion-time.rs:9:19
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|
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LL | macro_rules! m { ($i) => {} }
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| ^^
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|
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= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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= note: for more information, see issue #40107 <https://github.com/rust-lang/rust/issues/40107>
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note: the lint level is defined here
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--> $DIR/expansion-time.rs:8:8
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|
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LL | #[warn(missing_fragment_specifier)]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^
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Future breakage diagnostic:
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warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
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--> $DIR/expansion-time.rs:14:7
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|

‎tests/ui/macros/issue-39404.stderr

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Original file line numberDiff line numberDiff line change
@@ -10,3 +10,14 @@ LL | macro_rules! m { ($i) => {} }
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error: aborting due to 1 previous error
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Future incompatibility report: Future breakage diagnostic:
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error: missing fragment specifier
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--> $DIR/issue-39404.rs:3:19
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|
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LL | macro_rules! m { ($i) => {} }
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| ^^
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|
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= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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= note: for more information, see issue #40107 <https://github.com/rust-lang/rust/issues/40107>
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= note: `#[deny(missing_fragment_specifier)]` on by default
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‎tests/ui/macros/macro-match-nonterminal.stderr

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Original file line numberDiff line numberDiff line change
@@ -25,3 +25,25 @@ LL | ($a, $b) => {
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error: aborting due to 3 previous errors
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Future incompatibility report: Future breakage diagnostic:
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error: missing fragment specifier
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--> $DIR/macro-match-nonterminal.rs:2:8
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|
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LL | ($a, $b) => {
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| ^
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|
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= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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= note: for more information, see issue #40107 <https://github.com/rust-lang/rust/issues/40107>
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= note: `#[deny(missing_fragment_specifier)]` on by default
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Future breakage diagnostic:
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error: missing fragment specifier
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--> $DIR/macro-match-nonterminal.rs:2:10
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|
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LL | ($a, $b) => {
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| ^^
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|
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= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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= note: for more information, see issue #40107 <https://github.com/rust-lang/rust/issues/40107>
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= note: `#[deny(missing_fragment_specifier)]` on by default
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‎tests/ui/macros/macro-missing-fragment-deduplication.stderr

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@@ -16,3 +16,14 @@ LL | ($name) => {}
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error: aborting due to 2 previous errors
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Future incompatibility report: Future breakage diagnostic:
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error: missing fragment specifier
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--> $DIR/macro-missing-fragment-deduplication.rs:4:6
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|
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LL | ($name) => {}
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| ^^^^^
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|
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= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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= note: for more information, see issue #40107 <https://github.com/rust-lang/rust/issues/40107>
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= note: `#[deny(missing_fragment_specifier)]` on by default
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‎tests/ui/macros/macro-missing-fragment.stderr

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@@ -38,3 +38,48 @@ LL | ( $name ) => {};
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error: aborting due to 1 previous error; 3 warnings emitted
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Future incompatibility report: Future breakage diagnostic:
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warning: missing fragment specifier
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--> $DIR/macro-missing-fragment.rs:4:20
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|
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LL | ( $( any_token $field_rust_type )* ) => {};
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| ^^^^^^^^^^^^^^^^
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|
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= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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= note: for more information, see issue #40107 <https://github.com/rust-lang/rust/issues/40107>
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note: the lint level is defined here
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--> $DIR/macro-missing-fragment.rs:1:9
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|
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LL | #![warn(missing_fragment_specifier)]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^
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Future breakage diagnostic:
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warning: missing fragment specifier
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--> $DIR/macro-missing-fragment.rs:12:7
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|
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LL | ( $name ) => {};
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| ^^^^^
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|
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= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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= note: for more information, see issue #40107 <https://github.com/rust-lang/rust/issues/40107>
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note: the lint level is defined here
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--> $DIR/macro-missing-fragment.rs:1:9
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|
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LL | #![warn(missing_fragment_specifier)]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^
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Future breakage diagnostic:
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warning: missing fragment specifier
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--> $DIR/macro-missing-fragment.rs:18:7
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|
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LL | ( $name ) => {};
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| ^^^^^
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|
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= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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= note: for more information, see issue #40107 <https://github.com/rust-lang/rust/issues/40107>
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note: the lint level is defined here
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--> $DIR/macro-missing-fragment.rs:1:9
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|
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LL | #![warn(missing_fragment_specifier)]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^
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‎tests/ui/parser/macro/issue-33569.stderr

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@@ -28,3 +28,14 @@ LL | { $+ } => {
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error: aborting due to 4 previous errors
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Future incompatibility report: Future breakage diagnostic:
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error: missing fragment specifier
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--> $DIR/issue-33569.rs:2:8
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|
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LL | { $+ } => {
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| ^
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|
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= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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= note: for more information, see issue #40107 <https://github.com/rust-lang/rust/issues/40107>
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= note: `#[deny(missing_fragment_specifier)]` on by default
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