1 error: called `.collect::<Vec<String>>().join("")` on an iterator
2 --> $DIR/unnecessary_join.rs:11:10
4 LL | .collect::<Vec<String>>()
7 | |_________________^ help: try using: `collect::<String>()`
9 = note: `-D clippy::unnecessary-join` implied by `-D warnings`
11 error: called `.collect::<Vec<String>>().join("")` on an iterator
12 --> $DIR/unnecessary_join.rs:20:10
14 LL | .collect::<Vec<_>>()
17 | |_________________^ help: try using: `collect::<String>()`
19 error: aborting due to 2 previous errors