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running 1 test
test $DIR/display-output.rs - foo (line 9) ... ok
successes:
---- $DIR/display-output.rs - foo (line 9) stdout ----
warning: trait objects without an explicit `dyn` are deprecated
--> $DIR/display-output.rs:13:12
|
LL | fn foo(x: &std::fmt::Display) {}
| ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::fmt::Display`
|
= note: `#[warn(bare_trait_objects)]` on by default
= warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
warning: unused variable: `x`
--> $DIR/display-output.rs:11:5
|
LL | let x = 12;
| ^ help: if this is intentional, prefix it with an underscore: `_x`
|
note: the lint level is defined here
--> $DIR/display-output.rs:9:9
|
LL | #![warn(unused)]
| ^^^^^^
= note: `#[warn(unused_variables)]` implied by `#[warn(unused)]`
warning: unused variable: `x`
--> $DIR/display-output.rs:13:8
|
LL | fn foo(x: &std::fmt::Display) {}
| ^ help: if this is intentional, prefix it with an underscore: `_x`
warning: function is never used: `foo`
--> $DIR/display-output.rs:13:4
|
LL | fn foo(x: &std::fmt::Display) {}
| ^^^
|
note: the lint level is defined here
--> $DIR/display-output.rs:9:9
|
LL | #![warn(unused)]
| ^^^^^^
= note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
warning: 4 warnings emitted
successes:
$DIR/display-output.rs - foo (line 9)
test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in $TIME
|
