Proc macros do not expand on latest nightly

[SkyfallWasTaken]

rust-analyzer version: rust-analyzer version: 0.3.1229-standalone

rustc version: rustc 1.66.0-nightly (8796e7a 2022-10-08)

relevant settings: n/a I think?

RA no longer works with today's nightly when it comes to proc macros:

This can be reproduced with the following code:

#[tokio::main]
async fn main() {
    println!("Hello world");
}

fn f1() {}

The error is:

proc macro `main` not expanded: Cannot create expander for /home/skyfall/Projects/custard/target/debug/deps/libtokio_macros-a5c4f94b46da1247.so: UnsupportedABIrust-analyzer[unresolved-proc-macro](https://rust-analyzer.github.io/manual.html#unresolved-proc-macro)

The rest of RA works, so in the example it'd warn about f1 not being used.

[fasterthanlime]

Am also experiencing issues with completion in tokio::main right now (cf. #13355, maybe also #13322),

Although I am able to use the "Expand macro recursively" functionality to expand it:

And I do have this in my "Rust Analyzer Language Server" output:

[INFO rust_analyzer::reload] Loaded proc-macros for /home/amos/bearcove/promac/target/debug/deps/libtokio_macros-789c7494be924096.so: ["main", "main_rt", "test", "test_rt", "main_fail", "test_fail", "select_priv_declare_output_enum", "select_priv_clean_pattern"]

I wasn't seeing any completion in tokio::main for rustc 1.64.0 either, will investigate some more.

[fasterthanlime]

Are you using bazel, or buck, or any other non-cargo build system? If so, your issue is a duplicate of #13322 and unrelated to #13355.

[SkyfallWasTaken]

Are you using bazel, or buck, or any other non-cargo build system? If so, your issue is a duplicate of #13322 and unrelated to #13355.

Nope, just cargo.

[fasterthanlime]

Nope, just cargo.

Is that in vscode? How is rust-analyzer installed? How is rustc/cargo installed?

[SkyfallWasTaken]

Is that in vscode?

Yep.

How is rust-analyzer installed?

I'm pretty sure I got it from the prompt after installing the VS Code RA extension. Not 100% sure, though.

How is rustc/cargo installed?

With Linux rustup

[Veykril]

Do you still experience this problem?

[fasterthanlime]

Do you still experience this problem?

I know you're probably asking @SkyfallWasTaken, but because I confirmed that issue back when it was opened, I can confirm I'm no longer able to reproduce it (even with an era-appropriate tokio version).

[Veykril]

Ye I think we can close this then.

[SkyfallWasTaken]

Do you still experience this problem?

Nah, I haven't had the issue in a while