mirror of https://github.com/rust-lang/rust
31 lines
1.1 KiB
Plaintext
31 lines
1.1 KiB
Plaintext
warning: unknown lint: `rustc::foo::bar::default_hash_types`
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--> $DIR/issue-83477.rs:5:9
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LL | #[allow(rustc::foo::bar::default_hash_types)]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: did you mean: `rustc::default_hash_types`
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= note: `#[warn(unknown_lints)]` on by default
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warning: unknown lint: `rustc::foo::default_hash_types`
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--> $DIR/issue-83477.rs:9:9
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LL | #[allow(rustc::foo::default_hash_types)]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: did you mean: `rustc::default_hash_types`
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warning: prefer `FxHashMap` over `HashMap`, it has better performance
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--> $DIR/issue-83477.rs:14:13
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LL | let _ = std::collections::HashMap::<String, String>::new();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: a `use rustc_data_structures::fx::FxHashMap` may be necessary
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note: the lint level is defined here
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--> $DIR/issue-83477.rs:3:9
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LL | #![warn(rustc::internal)]
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| ^^^^^^^^^^^^^^^
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= note: `#[warn(rustc::default_hash_types)]` implied by `#[warn(rustc::internal)]`
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warning: 3 warnings emitted
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