f0b8e13b59
For macros that are implemented on the compiler, we do *not* mention the `-Zmacro-backtrace` flag. This includes `derive`s and standard macros.
32 lines
1.4 KiB
Plaintext
32 lines
1.4 KiB
Plaintext
error[E0716]: temporary value dropped while borrowed
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--> $DIR/issue-114374-invalid-help-fmt-args.rs:5:13
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LL | let x = format_args!("a {} {} {}.", 1, format_args!("b{}!", 2), 3);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- temporary value is freed at the end of this statement
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| creates a temporary value which is freed while still in use
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...
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LL | bar(x);
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| - borrow later used here
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= note: the result of `format_args!` can only be assigned directly if no placeholders in its arguments are used
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= note: to learn more, visit <https://doc.rust-lang.org/std/macro.format_args.html>
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error[E0716]: temporary value dropped while borrowed
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--> $DIR/issue-114374-invalid-help-fmt-args.rs:10:15
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LL | let foo = format_args!("{}", "hi");
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| ^^^^^^^^^^^^^^^^^^^^^^^^- temporary value is freed at the end of this statement
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| |
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| creates a temporary value which is freed while still in use
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LL |
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LL | bar(foo);
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| --- borrow later used here
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= note: the result of `format_args!` can only be assigned directly if no placeholders in its arguments are used
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= note: to learn more, visit <https://doc.rust-lang.org/std/macro.format_args.html>
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error: aborting due to 2 previous errors
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For more information about this error, try `rustc --explain E0716`.
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