| // Forbidding a group (here, `unused`) overrules subsequent allowance of both |
| // the group, and an individual lint in the group (here, `unused_variables`); |
| // and, forbidding an individual lint (here, `non_snake_case`) overrules |
| // subsequent allowance of a lint group containing it (here, `nonstandard_style`). See |
| // Issue #42873. |
| |
| // If you turn off deduplicate diagnostics (which rustc turns on by default but |
| // compiletest turns off when it runs ui tests), then the errors are |
| // (unfortunately) repeated here because the checking is done as we read in the |
| // errors, and currently that happens two or three different times, depending on |
| // compiler flags. |
| // |
| // The test is much cleaner if we deduplicate, though. |
| |
| //@ compile-flags: -Z deduplicate-diagnostics=yes |
| |
| #![forbid(unused, non_snake_case)] |
| #![forbid(forbidden_lint_groups)] |
| |
| #[allow(unused_variables)] |
| //~^ ERROR incompatible with previous |
| //~| WARNING this was previously accepted by the compiler |
| fn foo() {} |
| |
| #[allow(unused)] //~ ERROR incompatible with previous |
| //~^ WARNING this was previously accepted by the compiler |
| fn bar() {} |
| |
| #[allow(nonstandard_style)] //~ ERROR incompatible with previous |
| fn main() { |
| println!("hello forbidden world") |
| } |
