error: manual implementation of `Option::map`
  --> $DIR/manual_map_option_2.rs:6:13
   |
LL |       let _ = match Some(0) {
   |  _____________^
LL | |         Some(x) => Some({
LL | |             let y = (String::new(), String::new());
LL | |             (x, y.0)
LL | |         }),
LL | |         None => None,
LL | |     };
   | |_____^
   |
   = note: `-D clippy::manual-map` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::manual_map)]`
help: try
   |
LL ~     let _ = Some(0).map(|x| {
LL +             let y = (String::new(), String::new());
LL +             (x, y.0)
LL ~         });
   |

error: manual implementation of `Option::map`
  --> $DIR/manual_map_option_2.rs:48:13
   |
LL |       let _ = match &s {
   |  _____________^
LL | |         Some(x) => Some({ if let Some(ref s) = s { (x.clone(), s) } else { panic!() } }),
LL | |         None => None,
LL | |     };
   | |_____^ help: try: `s.as_ref().map(|x| { if let Some(ref s) = s { (x.clone(), s) } else { panic!() } })`

error: manual implementation of `Option::map`
  --> $DIR/manual_map_option_2.rs:58:17
   |
LL |           let _ = match Some(0) {
   |  _________________^
LL | |             Some(x) => Some(f(x)),
LL | |             None => None,
LL | |         };
   | |_________^ help: try: `Some(0).map(|x| f(x))`

error: manual implementation of `Option::map`
  --> $DIR/manual_map_option_2.rs:63:13
   |
LL |       let _ = match Some(0) {
   |  _____________^
LL | |         Some(x) => unsafe { Some(f(x)) },
LL | |         None => None,
LL | |     };
   | |_____^ help: try: `Some(0).map(|x| unsafe { f(x) })`

error: manual implementation of `Option::map`
  --> $DIR/manual_map_option_2.rs:67:13
   |
LL |       let _ = match Some(0) {
   |  _____________^
LL | |         Some(x) => Some(unsafe { f(x) }),
LL | |         None => None,
LL | |     };
   | |_____^ help: try: `Some(0).map(|x| unsafe { f(x) })`

error: aborting due to 5 previous errors