| error: unused pinned boxed `Future` trait object that must be used |
| --> tests/ui/must-use.rs:18:5 |
| | |
| 18 | Thing.f(); |
| | ^^^^^^^^^ |
| | |
| = note: futures do nothing unless you `.await` or poll them |
| note: the lint level is defined here |
| --> tests/ui/must-use.rs:1:9 |
| | |
| 1 | #![deny(unused_must_use)] |
| | ^^^^^^^^^^^^^^^ |
| |
| error: unused return value of `Interface::f` that must be used |
| --> tests/ui/must-use.rs:18:5 |
| | |
| 18 | Thing.f(); |
| | ^^^^^^^^^ |
| | |
| help: use `let _ = ...` to ignore the resulting value |
| | |
| 18 | let _ = Thing.f(); |
| | +++++++ |
