diff options
| -rw-r--r-- | src/test/ui/non-fmt-panic.rs | 3 | ||||
| -rw-r--r-- | src/test/ui/non-fmt-panic.stderr | 34 |
2 files changed, 36 insertions, 1 deletions
diff --git a/src/test/ui/non-fmt-panic.rs b/src/test/ui/non-fmt-panic.rs index c20df5ffd10..c80a90b3eaa 100644 --- a/src/test/ui/non-fmt-panic.rs +++ b/src/test/ui/non-fmt-panic.rs @@ -37,6 +37,9 @@ fn main() { panic!(format!("{}", 1)); //~ WARN panic message is not a string literal + panic![123]; //~ WARN panic message is not a string literal + panic!{123}; //~ WARN panic message is not a string literal + // Check that the lint only triggers for std::panic and core::panic, // not any panic macro: macro_rules! panic { diff --git a/src/test/ui/non-fmt-panic.stderr b/src/test/ui/non-fmt-panic.stderr index 001f066ad21..7a333b3e76a 100644 --- a/src/test/ui/non-fmt-panic.stderr +++ b/src/test/ui/non-fmt-panic.stderr @@ -212,5 +212,37 @@ help: remove the `format!(..)` macro call LL | panic!("{}", 1); | -- -- -warning: 16 warnings emitted +warning: panic message is not a string literal + --> $DIR/non-fmt-panic.rs:40:12 + | +LL | panic![123]; + | ^^^ + | + = note: this is no longer accepted in Rust 2021 +help: add a "{}" format string to Display the message + | +LL | panic!["{}", 123]; + | ^^^^^ +help: or use std::panic::panic_any instead + | +LL | std::panic::panic_any(123); + | ^^^^^^^^^^^^^^^^^^^^^^ ^ + +warning: panic message is not a string literal + --> $DIR/non-fmt-panic.rs:41:12 + | +LL | panic!{123}; + | ^^^ + | + = note: this is no longer accepted in Rust 2021 +help: add a "{}" format string to Display the message + | +LL | panic!{"{}", 123}; + | ^^^^^ +help: or use std::panic::panic_any instead + | +LL | std::panic::panic_any(123); + | ^^^^^^^^^^^^^^^^^^^^^^ ^ + +warning: 18 warnings emitted |