1error[E0600]: cannot apply unary operator `!` to type `&'static str`
2  --> $DIR/issue-28308.rs:2:5
3   |
4LL |     assert!("foo");
5   |     ^^^^^^^^^^^^^^ cannot apply unary operator `!`
6   |
7   = note: this error originates in the macro `assert` (in Nightly builds, run with -Z macro-backtrace for more info)
8
9error: aborting due to previous error
10
11For more information about this error, try `rustc --explain E0600`.
12