error[E0710]: unknown tool name `foo` found in scoped lint: `foo::bar` --> $DIR/unknown-lint-tool-name.rs:1:9 | LL | #![deny(foo::bar)] | ^^^ | = help: add `#![register_tool(foo)]` to the crate root error[E0710]: unknown tool name `foo` found in scoped lint: `foo::bar` --> $DIR/unknown-lint-tool-name.rs:4:9 | LL | #[allow(foo::bar)] | ^^^ | = help: add `#![register_tool(foo)]` to the crate root error[E0710]: unknown tool name `foo` found in scoped lint: `foo::bar` --> $DIR/unknown-lint-tool-name.rs:1:9 | LL | #![deny(foo::bar)] | ^^^ | = help: add `#![register_tool(foo)]` to the crate root = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` error[E0710]: unknown tool name `foo` found in scoped lint: `foo::bar` --> $DIR/unknown-lint-tool-name.rs:4:9 | LL | #[allow(foo::bar)] | ^^^ | = help: add `#![register_tool(foo)]` to the crate root = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0710`.