[INFO] fetching crate async-spawner 2.1.0...
[INFO] testing async-spawner-2.1.0 against beta-2025-09-21 for beta-1.91-2
[INFO] extracting crate async-spawner 2.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate async-spawner 2.1.0
[INFO] finished tweaking crates.io crate async-spawner 2.1.0
[INFO] tweaked toml for crates.io crate async-spawner 2.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-spawner 2.1.0 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 66 packages to latest compatible versions
[INFO] [stderr]       Adding async-channel v1.9.0 (available: v2.5.0)
[INFO] [stderr]       Adding tokio v0.3.7 (available: v1.47.1)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 86b0df9846533fb948f8eba5fa8606d12f47606684521e6723dec18b6b798e5c
[INFO] running `Command { std: "docker" "start" "-a" "86b0df9846533fb948f8eba5fa8606d12f47606684521e6723dec18b6b798e5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86b0df9846533fb948f8eba5fa8606d12f47606684521e6723dec18b6b798e5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86b0df9846533fb948f8eba5fa8606d12f47606684521e6723dec18b6b798e5c", kill_on_drop: false }`
[INFO] [stdout] 86b0df9846533fb948f8eba5fa8606d12f47606684521e6723dec18b6b798e5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] be5527b7f22d8f7796b07f1f78de831ee8b1f815c22ab76e99683fb8051bea27
[INFO] running `Command { std: "docker" "start" "-a" "be5527b7f22d8f7796b07f1f78de831ee8b1f815c22ab76e99683fb8051bea27", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling async-spawner v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "be5527b7f22d8f7796b07f1f78de831ee8b1f815c22ab76e99683fb8051bea27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be5527b7f22d8f7796b07f1f78de831ee8b1f815c22ab76e99683fb8051bea27", kill_on_drop: false }`
[INFO] [stdout] be5527b7f22d8f7796b07f1f78de831ee8b1f815c22ab76e99683fb8051bea27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ee8b49f729bbbd62cefb0c77363538d5fb70a82a965700409c86c1738428d215
[INFO] running `Command { std: "docker" "start" "-a" "ee8b49f729bbbd62cefb0c77363538d5fb70a82a965700409c86c1738428d215", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling async-executor v1.13.3
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stderr]    Compiling polling v3.11.0
[INFO] [stderr]    Compiling async-signal v0.2.13
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-process v2.5.0
[INFO] [stderr]    Compiling async-std v1.13.2
[INFO] [stderr]    Compiling async-spawner v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 17.06s
[INFO] running `Command { std: "docker" "inspect" "ee8b49f729bbbd62cefb0c77363538d5fb70a82a965700409c86c1738428d215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee8b49f729bbbd62cefb0c77363538d5fb70a82a965700409c86c1738428d215", kill_on_drop: false }`
[INFO] [stdout] ee8b49f729bbbd62cefb0c77363538d5fb70a82a965700409c86c1738428d215
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0134d6a5f667196b4bd3c4e14789e7099317e650c1ad886202cbd252e0a9fcef
[INFO] running `Command { std: "docker" "start" "-a" "0134d6a5f667196b4bd3c4e14789e7099317e650c1ad886202cbd252e0a9fcef", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/async_spawner-7c9e7a8aa3011562)
[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_spawner
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 16) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 3) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 16) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: could not find `tokio` in `async_spawner`
[INFO] [stdout]   --> src/lib.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout]  6 |     async_spawner::tokio::register_executor();
[INFO] [stdout]    |                    ^^^^^ could not find `tokio` in `async_spawner`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[cfg(feature = "tokio")]
[INFO] [stdout]    |       ----------------- the item is gated behind the `tokio` feature
[INFO] [stdout] 40 | pub mod tokio;
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 3) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: could not find `async_std` in `async_spawner`
[INFO] [stdout]   --> src/lib.rs:7:20
[INFO] [stdout]    |
[INFO] [stdout]  6 |     async_spawner::async_std::register_executor();
[INFO] [stdout]    |                    ^^^^^^^^^ could not find `async_std` in `async_spawner`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[cfg(feature = "async-std")]
[INFO] [stdout]    |       --------------------- the item is gated behind the `async-std` feature
[INFO] [stdout] 38 | pub mod async_std;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 16)
[INFO] [stdout]     src/lib.rs - (line 3)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "0134d6a5f667196b4bd3c4e14789e7099317e650c1ad886202cbd252e0a9fcef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0134d6a5f667196b4bd3c4e14789e7099317e650c1ad886202cbd252e0a9fcef", kill_on_drop: false }`
[INFO] [stdout] 0134d6a5f667196b4bd3c4e14789e7099317e650c1ad886202cbd252e0a9fcef
