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