[INFO] fetching crate async_wasm_task 0.2.3...
[INFO] testing async_wasm_task-0.2.3 against beta-2025-09-21 for beta-1.91-2
[INFO] extracting crate async_wasm_task 0.2.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate async_wasm_task 0.2.3
[INFO] finished tweaking crates.io crate async_wasm_task 0.2.3
[INFO] tweaked toml for crates.io crate async_wasm_task 0.2.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate async_wasm_task 0.2.3 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e881ca4600f9af7905368ca8da6f4d538dee989414bfc67173b9719aa108e6c
[INFO] running `Command { std: "docker" "start" "-a" "6e881ca4600f9af7905368ca8da6f4d538dee989414bfc67173b9719aa108e6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e881ca4600f9af7905368ca8da6f4d538dee989414bfc67173b9719aa108e6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e881ca4600f9af7905368ca8da6f4d538dee989414bfc67173b9719aa108e6c", kill_on_drop: false }`
[INFO] [stdout] 6e881ca4600f9af7905368ca8da6f4d538dee989414bfc67173b9719aa108e6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bc4f94a50dfb042efd5e74b8b6f43614b42aaa52c4714241a709fc1de9fb637
[INFO] running `Command { std: "docker" "start" "-a" "7bc4f94a50dfb042efd5e74b8b6f43614b42aaa52c4714241a709fc1de9fb637", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.54
[INFO] [stderr]    Compiling web-sys v0.3.81
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling async_wasm_task v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `web_sys::BlobPropertyBag::type_`: Use `set_type()` instead.
[INFO] [stdout]   --> src/pool.rs:97:36
[INFO] [stdout]    |
[INFO] [stdout] 97 |             BlobPropertyBag::new().type_("text/javascript"),
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "7bc4f94a50dfb042efd5e74b8b6f43614b42aaa52c4714241a709fc1de9fb637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bc4f94a50dfb042efd5e74b8b6f43614b42aaa52c4714241a709fc1de9fb637", kill_on_drop: false }`
[INFO] [stdout] 7bc4f94a50dfb042efd5e74b8b6f43614b42aaa52c4714241a709fc1de9fb637
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fa41d1f4ff2f7be225925140b4f8695914d40452db6898bc00bd8c6e3341597
[INFO] running `Command { std: "docker" "start" "-a" "2fa41d1f4ff2f7be225925140b4f8695914d40452db6898bc00bd8c6e3341597", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated method `web_sys::BlobPropertyBag::type_`: Use `set_type()` instead.
[INFO] [stdout]   --> src/pool.rs:97:36
[INFO] [stdout]    |
[INFO] [stdout] 97 |             BlobPropertyBag::new().type_("text/javascript"),
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling async_wasm_task v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `web_sys::BlobPropertyBag::type_`: Use `set_type()` instead.
[INFO] [stdout]   --> src/pool.rs:97:36
[INFO] [stdout]    |
[INFO] [stdout] 97 |             BlobPropertyBag::new().type_("text/javascript"),
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "2fa41d1f4ff2f7be225925140b4f8695914d40452db6898bc00bd8c6e3341597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fa41d1f4ff2f7be225925140b4f8695914d40452db6898bc00bd8c6e3341597", kill_on_drop: false }`
[INFO] [stdout] 2fa41d1f4ff2f7be225925140b4f8695914d40452db6898bc00bd8c6e3341597
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7c53acf9a22eefd2652cec362f6de1d00b3ced01b41fd9b5b8a74c96f93929b8
[INFO] running `Command { std: "docker" "start" "-a" "7c53acf9a22eefd2652cec362f6de1d00b3ced01b41fd9b5b8a74c96f93929b8", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated method `web_sys::BlobPropertyBag::type_`: Use `set_type()` instead.
[INFO] [stderr]   --> src/pool.rs:97:36
[INFO] [stderr]    |
[INFO] [stderr] 97 |             BlobPropertyBag::new().type_("text/javascript"),
[INFO] [stderr]    |                                    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `async_wasm_task` (lib) generated 1 warning
[INFO] [stderr] warning: `async_wasm_task` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/async_wasm_task-088d68015a534001)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async_wasm_task
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - spawn_blocking (line 187) ... FAILED
[INFO] [stdout] test src/lib.rs - spawn (line 53) - compile ... FAILED
[INFO] [stdout] test src/join_handle.rs - join_handle::JoinHandle (line 44) - compile ... ok
[INFO] [stdout] test src/join_handle.rs - join_handle::JoinHandle (line 24) ... ok
[INFO] [stdout] test src/lib.rs - spawn (line 104) ... ok
[INFO] [stdout] test src/lib.rs - spawn (line 128) ... ok
[INFO] [stdout] test src/join_handle.rs - join_handle::JoinHandle (line 34) ... ok
[INFO] [stdout] test src/lib.rs - spawn (line 70) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - spawn_blocking (line 187) stdout ----
[INFO] [stdout] error[E0277]: `?` couldn't convert the error: `JoinError: std::error::Error` is not satisfied
[INFO] [stdout]   --> src/lib.rs:197:9
[INFO] [stdout]    |
[INFO] [stdout]  8 |   let output = async_wasm_task::spawn_blocking(move || {
[INFO] [stdout]    |  ______________-
[INFO] [stdout]  9 | |     // Stand-in for compute-heavy work or using synchronous APIs
[INFO] [stdout] 10 | |     data.push_str("world");
[INFO] [stdout] ...  |
[INFO] [stdout] 13 | | }).await?;
[INFO] [stdout]    | |        -^ the trait `std::error::Error` is not implemented for `JoinError`
[INFO] [stdout]    | |________|
[INFO] [stdout]    |          this has type `Result<_, JoinError>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = note: required for `Box<dyn std::error::Error>` to implement `From<JoinError>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - spawn (line 53) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `socket` in this scope
[INFO] [stdout]   --> src/lib.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |         process(socket).await
[INFO] [stdout]    |                 ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/lib.rs:57:38
[INFO] [stdout]   |
[INFO] [stdout] 7 |   async fn process() -> io::Result<()> {
[INFO] [stdout]   |  ______________________________________^
[INFO] [stdout] 8 | |     // Some process...
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^ expected `Result<(), Error>`, found `()`
[INFO] [stdout]   |
[INFO] [stdout]   = note:   expected enum `Result<(), std::io::Error>`
[INFO] [stdout]           found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 0 arguments but 1 argument was supplied
[INFO] [stdout]   --> src/lib.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         process(socket).await
[INFO] [stdout]    |         ^^^^^^^ ------ unexpected argument
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> src/lib.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout]  7 | async fn process() -> io::Result<()> {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 14 -         process(socket).await
[INFO] [stdout] 14 +         process().await
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `std::io::Error`
[INFO] [stdout]   --> src/lib.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |       let result = async_wasm_task::spawn(async move {
[INFO] [stdout]    |  __________________-
[INFO] [stdout] 13 | |         // Process this job concurrently.
[INFO] [stdout] 14 | |         process(socket).await
[INFO] [stdout] 15 | |     }).await?;;
[INFO] [stdout]    | |            -^ the trait `From<JoinError>` is not implemented for `std::io::Error`
[INFO] [stdout]    | |____________|
[INFO] [stdout]    |              this can't be annotated with `?` because it has type `Result<_, JoinError>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = help: the following other types implement trait `From<T>`:
[INFO] [stdout]              `std::io::Error` implements `From<ErrorKind>`
[INFO] [stdout]              `std::io::Error` implements `From<IntoInnerError<W>>`
[INFO] [stdout]              `std::io::Error` implements `From<NulError>`
[INFO] [stdout]              `std::io::Error` implements `From<TryReserveError>`
[INFO] [stdout]              `std::io::Error` implements `From<std::fs::TryLockError>`
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:61:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |   async fn start() -> io::Result<()> {
[INFO] [stdout]    |  ____________________________________^
[INFO] [stdout] 12 | |     let result = async_wasm_task::spawn(async move {
[INFO] [stdout] 13 | |         // Process this job concurrently.
[INFO] [stdout] 14 | |         process(socket).await
[INFO] [stdout] 15 | |     }).await?;;
[INFO] [stdout] 16 | | }
[INFO] [stdout]    | |_^ expected `Result<(), Error>`, found `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<(), std::io::Error>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] help: consider returning the local binding `result`
[INFO] [stdout]    |
[INFO] [stdout] 15 ~     }).await?;
[INFO] [stdout] 16 ~     result;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0277, E0308, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - spawn (line 53)
[INFO] [stdout]     src/lib.rs - spawn_blocking (line 187)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "7c53acf9a22eefd2652cec362f6de1d00b3ced01b41fd9b5b8a74c96f93929b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c53acf9a22eefd2652cec362f6de1d00b3ced01b41fd9b5b8a74c96f93929b8", kill_on_drop: false }`
[INFO] [stdout] 7c53acf9a22eefd2652cec362f6de1d00b3ced01b41fd9b5b8a74c96f93929b8
