cfg_attr with zero or more than one attributes is experimental #10525
Description
Hi.
I have done cargo build --release --features final command started build process and end of that process printed following error and crashed
` Compiling parity-updater v1.12.0 (/root/parity-ethereum/updater)
Compiling ethcore-service v0.1.0 (/root/parity-ethereum/ethcore/service)
Compiling parity-rpc v1.12.0 (/root/parity-ethereum/rpc)
error[E0658]: cfg_attr with zero or more than one attributes is experimental (see issue #54881)
--> rpc/src/lib.rs:21:1
|
21 | / #![cfg_attr(
22 | | feature = "cargo-clippy",
23 | | allow(
24 | | // things are often more readable this way
... |
37 | | warn(clippy::indexing_slicing)
38 | | )]
| |__^
error[E0658]: use of unstable library feature 'duration_as_u128' (see issue #50202)
--> rpc/src/v1/informant.rs:222:31
|
222 | let time = start.elapsed().as_micros();
| ^^^^^^^^^
error: aborting due to 2 previous errors
For more information about this error, try rustc --explain E0658.
error: Could not compile parity-rpc. `