1error: unused return value of `anyhow::__private::must_use` that must be used 2 --> tests/ui/must-use.rs:8:9 3 | 48 | anyhow!("it failed"); 5 | ^^^^^^^^^^^^^^^^^^^^ 6 | 7note: the lint level is defined here 8 --> tests/ui/must-use.rs:1:9 9 | 101 | #![deny(unused_must_use)] 11 | ^^^^^^^^^^^^^^^ 12 = note: this error originates in the macro `anyhow` (in Nightly builds, run with -Z macro-backtrace for more info) 13