1 error: needless `fn main` in doctest
2 --> $DIR/needless_doc_main.rs:7:4
7 = note: `-D clippy::needless-doctest-main` implied by `-D warnings`
9 error: needless `fn main` in doctest
10 --> $DIR/needless_doc_main.rs:15:4
15 error: needless `fn main` in doctest
16 --> $DIR/needless_doc_main.rs:23:4
21 error: aborting due to 3 previous errors