Stream: git-wasmtime

Topic: wasmtime / issue #5281 cargo wasi build failed and wasmti...

view this post on Zulip Wasmtime GitHub notifications bot (Nov 16 2022 at 14:25):

Dennis-Zhang-SH opened issue #5281:

Hi,

I met following issues that I could not resolve.

cargo clean

cargo build --target wasm32-wasi --release
   Compiling proc-macro2 v1.0.47
   Compiling unicode-ident v1.0.5
   Compiling quote v1.0.21
   Compiling syn v1.0.103
   Compiling log v0.4.17
   Compiling wasm-bindgen-shared v0.2.83
   Compiling cfg-if v1.0.0
   Compiling once_cell v1.16.0
   Compiling bumpalo v3.11.1
   Compiling wasm-bindgen v0.2.83
   Compiling wasm-bindgen-backend v0.2.83
   Compiling wasm-bindgen-macro-support v0.2.83
   Compiling wasm-bindgen-macro v0.2.83
   Compiling libadd v0.1.0 (/Users/dennis/Documents/code/libadd)
    Finished release [optimized] target(s) in 8.44s
wasmtime --invoke greet ./target/wasm32-wasi/release/libadd.wasm "Wasmtime CLI"
Error: failed to run main module `./target/wasm32-wasi/release/libadd.wasm`

Caused by:
    0: failed to instantiate "./target/wasm32-wasi/release/libadd.wasm"
    1: unknown import: `__wbindgen_placeholder__::__wbindgen_describe` has not been defined


cargo wasi build --release
    Finished release [optimized] target(s) in 0.03s
thread 'main' panicked at 'unknown instruction LocalTee(LocalTee { local: Id { idx: 331 } })', crates/wasm-interpreter/src/lib.rs:363:18
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
error: failed to process wasm at `/Users/dennis/Documents/code/libadd/target/wasm32-wasi/release/libadd.rustc.wasm`

Caused by:
    failed to execute "/Users/dennis/Library/Caches/cargo-wasi/0.1.26/wasm-bindgen/0.2.83/wasm-bindgen" "/Users/dennis/Documents/code/libadd/target/wasm32-wasi/release/libadd.rustc.wasm" "--out-dir" "/Users/dennis/Documents/code/libadd/target/wasm32-wasi/release/.tmpsc1F5p" "--out-name" "foo"
        status: exit status: 101

the original codes and toml are:

use wasm_bindgen::prelude::*;

#[wasm_bindgen]
pub fn add(left: i32, right: i32) -> i32 {
    left + right
}

#[wasm_bindgen]
pub fn greet(name: &str) -> String {
    format!("Hello, {}!", name)
}

// Cargo.toml
[lib]
crate-type = ['cdylib']

[dependencies]
wasm-bindgen = "0.2.83"

Can somebody help me with it?

view this post on Zulip Wasmtime GitHub notifications bot (Nov 16 2022 at 14:26):

Dennis-Zhang-SH edited issue #5281:

Hi,

I met following issues that I could not resolve.

cargo clean

cargo build --target wasm32-wasi --release
   Compiling proc-macro2 v1.0.47
   Compiling unicode-ident v1.0.5
   Compiling quote v1.0.21
   Compiling syn v1.0.103
   Compiling log v0.4.17
   Compiling wasm-bindgen-shared v0.2.83
   Compiling cfg-if v1.0.0
   Compiling once_cell v1.16.0
   Compiling bumpalo v3.11.1
   Compiling wasm-bindgen v0.2.83
   Compiling wasm-bindgen-backend v0.2.83
   Compiling wasm-bindgen-macro-support v0.2.83
   Compiling wasm-bindgen-macro v0.2.83
   Compiling libadd v0.1.0 (/Users/dennis/Documents/code/libadd)
    Finished release [optimized] target(s) in 8.44s


wasmtime --invoke greet ./target/wasm32-wasi/release/libadd.wasm "Wasmtime CLI"
Error: failed to run main module `./target/wasm32-wasi/release/libadd.wasm`

Caused by:
    0: failed to instantiate "./target/wasm32-wasi/release/libadd.wasm"
    1: unknown import: `__wbindgen_placeholder__::__wbindgen_describe` has not been defined


cargo wasi build --release
    Finished release [optimized] target(s) in 0.03s
thread 'main' panicked at 'unknown instruction LocalTee(LocalTee { local: Id { idx: 331 } })', crates/wasm-interpreter/src/lib.rs:363:18
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
error: failed to process wasm at `/Users/dennis/Documents/code/libadd/target/wasm32-wasi/release/libadd.rustc.wasm`

Caused by:
    failed to execute "/Users/dennis/Library/Caches/cargo-wasi/0.1.26/wasm-bindgen/0.2.83/wasm-bindgen" "/Users/dennis/Documents/code/libadd/target/wasm32-wasi/release/libadd.rustc.wasm" "--out-dir" "/Users/dennis/Documents/code/libadd/target/wasm32-wasi/release/.tmpsc1F5p" "--out-name" "foo"
        status: exit status: 101

the original codes and toml are:

use wasm_bindgen::prelude::*;

#[wasm_bindgen]
pub fn add(left: i32, right: i32) -> i32 {
    left + right
}

#[wasm_bindgen]
pub fn greet(name: &str) -> String {
    format!("Hello, {}!", name)
}

// Cargo.toml
[lib]
crate-type = ['cdylib']

[dependencies]
wasm-bindgen = "0.2.83"

Can somebody help me with it?

view this post on Zulip Wasmtime GitHub notifications bot (Nov 16 2022 at 15:02):

bjorn3 commented on issue #5281:

Wasm-bindgen is for the web only. It is not compatible with wasi. You probably want to use wit-bindgen instead.

view this post on Zulip Wasmtime GitHub notifications bot (Nov 16 2022 at 15:11):

Dennis-Zhang-SH commented on issue #5281:

Wasm-bindgen is for the web only. It is not compatible with wasi. You probably want to use wit-bindgen instead.

thanks, I totally missed that the feature has been removed on the wasmtime book, my bad, I will check out wit-bindgen.

view this post on Zulip Wasmtime GitHub notifications bot (Nov 16 2022 at 15:11):

Dennis-Zhang-SH closed issue #5281:

Hi,

I met following issues that I could not resolve.

cargo clean

cargo build --target wasm32-wasi --release
   Compiling proc-macro2 v1.0.47
   Compiling unicode-ident v1.0.5
   Compiling quote v1.0.21
   Compiling syn v1.0.103
   Compiling log v0.4.17
   Compiling wasm-bindgen-shared v0.2.83
   Compiling cfg-if v1.0.0
   Compiling once_cell v1.16.0
   Compiling bumpalo v3.11.1
   Compiling wasm-bindgen v0.2.83
   Compiling wasm-bindgen-backend v0.2.83
   Compiling wasm-bindgen-macro-support v0.2.83
   Compiling wasm-bindgen-macro v0.2.83
   Compiling libadd v0.1.0 (/Users/dennis/Documents/code/libadd)
    Finished release [optimized] target(s) in 8.44s


wasmtime --invoke greet ./target/wasm32-wasi/release/libadd.wasm "Wasmtime CLI"
Error: failed to run main module `./target/wasm32-wasi/release/libadd.wasm`

Caused by:
    0: failed to instantiate "./target/wasm32-wasi/release/libadd.wasm"
    1: unknown import: `__wbindgen_placeholder__::__wbindgen_describe` has not been defined


cargo wasi build --release
    Finished release [optimized] target(s) in 0.03s
thread 'main' panicked at 'unknown instruction LocalTee(LocalTee { local: Id { idx: 331 } })', crates/wasm-interpreter/src/lib.rs:363:18
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
error: failed to process wasm at `/Users/dennis/Documents/code/libadd/target/wasm32-wasi/release/libadd.rustc.wasm`

Caused by:
    failed to execute "/Users/dennis/Library/Caches/cargo-wasi/0.1.26/wasm-bindgen/0.2.83/wasm-bindgen" "/Users/dennis/Documents/code/libadd/target/wasm32-wasi/release/libadd.rustc.wasm" "--out-dir" "/Users/dennis/Documents/code/libadd/target/wasm32-wasi/release/.tmpsc1F5p" "--out-name" "foo"
        status: exit status: 101

the original codes and toml are:

use wasm_bindgen::prelude::*;

#[wasm_bindgen]
pub fn add(left: i32, right: i32) -> i32 {
    left + right
}

#[wasm_bindgen]
pub fn greet(name: &str) -> String {
    format!("Hello, {}!", name)
}

// Cargo.toml
[lib]
crate-type = ['cdylib']

[dependencies]
wasm-bindgen = "0.2.83"

Can somebody help me with it?

view this post on Zulip Wasmtime GitHub notifications bot (Nov 16 2022 at 15:23):

Dennis-Zhang-SH commented on issue #5281:

@bjorn3 Does it mean currently wasmtime could not load any wasm file as module? I removed wasm-bindgen and build with cargo wasi build --release, but it still won't work, saying Unsupported feature: Support for interface types has temporarily been removed from wasmtime

view this post on Zulip Wasmtime GitHub notifications bot (Nov 16 2022 at 15:36):

bjorn3 commented on issue #5281:

cargo-wasi seems to use interface types, which has been removed from wasmtime as the interface types proposal for webassembly is currently inactive in favor of the component model proposal. Using cargo build --target wasm32-wasi rather than cargo wasi build should work just fine. This will build a regular wasm module that doesn't use interface types.

view this post on Zulip Wasmtime GitHub notifications bot (Nov 16 2022 at 15:46):

Dennis-Zhang-SH commented on issue #5281:

cargo-wasi seems to use interface types, which has been removed from wasmtime as the interface types proposal for webassembly is currently inactive in favor of the component model proposal. Using cargo build --target wasm32-wasi rather than cargo wasi build should work just fine. This will build a regular wasm module that doesn't use interface types.

Thanks for explaining, so the whole cargo wasi and wasm-bindgen are abandon right? It would be better to update the document.

view this post on Zulip Wasmtime GitHub notifications bot (Nov 16 2022 at 15:50):

bjorn3 commented on issue #5281:

Wasm-bindgen is universally used when targeting the web. Just not when targeting wasi. As for cargo-wasi I'm not sure what the plan for it is.

view this post on Zulip Wasmtime GitHub notifications bot (Nov 17 2022 at 03:07):

Dennis-Zhang-SH commented on issue #5281:

@bjorn3 okay, is there any wasmtime community? I would like to join, I have some questions haha, such as why println! macro could work in bin wasmtime while not in lib wasm

view this post on Zulip Wasmtime GitHub notifications bot (Nov 17 2022 at 08:50):

bjorn3 commented on issue #5281:

There is https://bytecodealliance.zulipchat.com.

Last updated: Oct 23 2024 at 20:03 UTC