error: needless `fn main` in doctest --> $DIR/needless_doc_main.rs:7:4 | LL | /// fn main() { | ^^^^^^^^^^^^ | = note: `-D clippy::needless-doctest-main` implied by `-D warnings` error: needless `fn main` in doctest --> $DIR/needless_doc_main.rs:16:4 | LL | /// fn main() -> () { | ^^^^^^^^^^^^^^^^^^ error: needless `fn main` in doctest --> $DIR/needless_doc_main.rs:24:4 | LL | /// fn main() { | ^^^^^^^^^^^^ error: needless `fn main` in doctest --> $DIR/needless_doc_main.rs:32:4 | LL | /// fn main() { | ^^^^^^^^^^^^ error: aborting due to 4 previous errors