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It warns about usages of `std::env::{set_var, remove_var}` with an
automatic fix wrapping the call in an `unsafe` block.
34 lines
1.5 KiB
Plaintext
34 lines
1.5 KiB
Plaintext
error: call to deprecated safe function `std::env::set_var` is unsafe and requires unsafe block
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--> $DIR/unsafe-env-suggestion.rs:9:5
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LL | env::set_var("FOO", "BAR");
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
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= warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2024!
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= note: for more information, see issue #27970 <https://github.com/rust-lang/rust/issues/27970>
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note: the lint level is defined here
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--> $DIR/unsafe-env-suggestion.rs:3:9
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LL | #![deny(deprecated_safe)]
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| ^^^^^^^^^^^^^^^
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help: you can wrap the call in an `unsafe` block if you can guarantee the code is only ever called from single-threaded code
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LL | unsafe { env::set_var("FOO", "BAR") };
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| ++++++++ +
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error: call to deprecated safe function `std::env::remove_var` is unsafe and requires unsafe block
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--> $DIR/unsafe-env-suggestion.rs:12:5
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LL | env::remove_var("FOO");
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| ^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
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= warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2024!
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= note: for more information, see issue #27970 <https://github.com/rust-lang/rust/issues/27970>
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help: you can wrap the call in an `unsafe` block if you can guarantee the code is only ever called from single-threaded code
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LL | unsafe { env::remove_var("FOO") };
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| ++++++++ +
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error: aborting due to 2 previous errors
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