Using #[from] #[backtrace] fails to compile #282
Description
use thiserror::Error;
#[derive(Error, Debug)]
pub enum Error {
#[error("system: {0}")]
System(#[from] #[backtrace] anyhow::Error),
}Error
⣿
Errors
Exited with status 101
Standard Error
Compiling playground v0.0.1 (/playground)
error[[E0432]](https://doc.rust-lang.org/stable/error_codes/E0432.html): unresolved import `thiserror`
--> src/lib.rs:3:10
|
3 | #[derive(Error, Debug)]
| ^^^^^ no `ThiserrorProvide` in `__private`
|
note: found an item that was configured out
--> /playground/.cargo/registry/src/index.crates.io-6f17d22bba15001f/thiserror-1.0.53/src/lib.rs:256:29
|
256 | pub use crate::provide::ThiserrorProvide;
| ^^^^^^^^^^^^^^^^
= note: this error originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
error[[E0658]](https://doc.rust-lang.org/stable/error_codes/E0658.html): use of unstable library feature 'error_generic_member_access'
--> src/lib.rs:3:10
|
3 | #[derive(Error, Debug)]
| ^^^^^
|
= note: [see issue #99301 <https://github.com/rust-lang/rust/issues/99301>](https://github.com/rust-lang/rust/issues/99301) for more information
= note: this error originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
error[[E0599]](https://doc.rust-lang.org/stable/error_codes/E0599.html): no method named `thiserror_provide` found for reference `&anyhow::Error` in the current scope
--> src/lib.rs:5:13
|
5 | #[error("system: {0}")]
| ^^^^^^^^^^^^^ method not found in `&Error`
Some errors have detailed explanations: E0432, E0599, E0658.
For more information about an error, try `rustc --explain E0432`.
error: could not compile `playground` (lib) due to 3 previous errors