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error[E0642]: patterns aren't allowed in functions without bodies
--> $DIR/no-patterns-in-args-2.rs:6:11
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LL | fn f2(&arg: u8);
| ^^^^ pattern not allowed in function without body
error: patterns aren't allowed in functions without bodies
--> $DIR/no-patterns-in-args-2.rs:4:11
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LL | fn f1(mut arg: u8);
| ^^^^^^^ help: remove `mut` from the parameter: `arg`
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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!
= note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
note: the lint level is defined here
--> $DIR/no-patterns-in-args-2.rs:1:9
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LL | #![deny(patterns_in_fns_without_body)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0642`.
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