error: called `.collect::>().join("")` on an iterator --> $DIR/unnecessary_join.rs:11:10 | LL | .collect::>() | __________^ LL | | .join(""); | |_________________^ help: try using: `collect::()` | = note: `-D clippy::unnecessary-join` implied by `-D warnings` error: called `.collect::>().join("")` on an iterator --> $DIR/unnecessary_join.rs:20:10 | LL | .collect::>() | __________^ LL | | .join(""); | |_________________^ help: try using: `collect::()` error: aborting due to 2 previous errors