1bd7934d89
```
error[E0308]: mismatched types
--> $DIR/macro-span-caller-replacement.rs:5:17
|
LL | s = format!("{arg}");
| ^^^^^^^^^^^^^^^^ expected `&str`, found `String`
...
LL | macro_with_format!();
| -------------------- in this macro invocation
|
= note: this error originates in the macro `format` which comes from the expansion of the macro `macro_with_format` (in Nightly builds, run with -Z macro-backtrace for more info)
```
54 lines
1.8 KiB
Text
54 lines
1.8 KiB
Text
warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
|
|
--> $DIR/equality.rs:3:12
|
|
|
|
|
LL | #![feature(specialization)]
|
|
| ^^^^^^^^^^^^^^
|
|
|
|
|
= note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
|
|
= help: consider using `min_specialization` instead, which is more stable and complete
|
|
= note: `#[warn(incomplete_features)]` on by default
|
|
|
|
error[E0308]: mismatched types
|
|
--> $DIR/equality.rs:17:5
|
|
|
|
|
LL | fn two(x: bool) -> impl Foo {
|
|
| -------- expected `i32` because of return type
|
|
...
|
|
LL | 0_u32
|
|
| ^^^^^ expected `i32`, found `u32`
|
|
|
|
|
help: change the type of the numeric literal from `u32` to `i32`
|
|
|
|
|
LL - 0_u32
|
|
LL + 0_i32
|
|
|
|
|
|
|
error[E0277]: cannot add `impl Foo` to `u32`
|
|
--> $DIR/equality.rs:26:11
|
|
|
|
|
LL | n + sum_to(n - 1)
|
|
| ^ no implementation for `u32 + impl Foo`
|
|
|
|
|
= help: the trait `Add<impl Foo>` is not implemented for `u32`
|
|
help: the following other types implement trait `Add<Rhs>`
|
|
--> $SRC_DIR/core/src/ops/arith.rs:LL:COL
|
|
|
|
|
= note: `u32` implements `Add`
|
|
::: $SRC_DIR/core/src/ops/arith.rs:LL:COL
|
|
|
|
|
= note: in this macro invocation
|
|
--> $SRC_DIR/core/src/internal_macros.rs:LL:COL
|
|
|
|
|
= note: `&u32` implements `Add<u32>`
|
|
::: $SRC_DIR/core/src/internal_macros.rs:LL:COL
|
|
|
|
|
= note: `u32` implements `Add<&u32>`
|
|
::: $SRC_DIR/core/src/internal_macros.rs:LL:COL
|
|
|
|
|
= note: `&u32` implements `Add`
|
|
= note: this error originates in the macro `add_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
|
|
|
|
error: aborting due to 2 previous errors; 1 warning emitted
|
|
|
|
Some errors have detailed explanations: E0277, E0308.
|
|
For more information about an error, try `rustc --explain E0277`.
|