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This post is auto-generated from RSS feed The Rust Programming Language Forum - Latest topics. Source: Does the core crate not support panic="abort" any more? [wasm32-unknown-emscripten]

I'm trying to shrink my WASM output, and wanted to try panic="abort", but I'm getting an error saying that the core crate requires the unwind panic strategy.

Rust version: 1.90.0
Target: wasm32-unknown-emscripten

Cargo invocation:

RUSTFLAGS=-Csymbol-mangling-version=v0 cargo build --release --target=wasm32-unknown-emscripten

Compiler output:

   Compiling remglk v0.1.0 (/src/remglk/remglk)
   Compiling remglk_capi v0.1.0 (/src/remglk/remglk_capi)
error: the crate `core` requires panic strategy `unwind` which is incompatible with this crate's strategy of `abort`

error: could not compile `remglk_capi` (lib) due to 1 previous error

Cargo.toml contents for each package (click for more details)

In my searches I haven't seen anyone have panic strategy troubles for the core crate before, which I take either means that I'm doing something very weird with my setup, or that wasm32-unknown-emscripten is not used much any more.

I know that I was able to build with panic="abort" back with Rust 1.76.0 because I then had linking errors with the rest of my Emscripten app, but my Rust library compiled fine back then.

Any suggestions on how to diagnose what's going wrong here?

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