[INFO] fetching crate swimming-pool 0.1.4...
[INFO] testing swimming-pool-0.1.4 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate swimming-pool 0.1.4 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate swimming-pool 0.1.4
[INFO] finished tweaking crates.io crate swimming-pool 0.1.4
[INFO] tweaked toml for crates.io crate swimming-pool 0.1.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate swimming-pool 0.1.4 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] 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d362361816009f4a32653a790c1511544223f9bf59ade8041723e5fdc041ca4a
[INFO] running `Command { std: "docker" "start" "-a" "d362361816009f4a32653a790c1511544223f9bf59ade8041723e5fdc041ca4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d362361816009f4a32653a790c1511544223f9bf59ade8041723e5fdc041ca4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d362361816009f4a32653a790c1511544223f9bf59ade8041723e5fdc041ca4a", kill_on_drop: false }`
[INFO] [stdout] d362361816009f4a32653a790c1511544223f9bf59ade8041723e5fdc041ca4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0826846aeff362e782a336b158bca4be00a7a17e53fd236c07abcb18d335d92d
[INFO] running `Command { std: "docker" "start" "-a" "0826846aeff362e782a336b158bca4be00a7a17e53fd236c07abcb18d335d92d", kill_on_drop: false }`
[INFO] [stderr]    Compiling swimming-pool v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "0826846aeff362e782a336b158bca4be00a7a17e53fd236c07abcb18d335d92d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0826846aeff362e782a336b158bca4be00a7a17e53fd236c07abcb18d335d92d", kill_on_drop: false }`
[INFO] [stdout] 0826846aeff362e782a336b158bca4be00a7a17e53fd236c07abcb18d335d92d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d47958c2c403162a87e5399f77928a3fa53f954732b5273e5fc94e84af3dc6e2
[INFO] running `Command { std: "docker" "start" "-a" "d47958c2c403162a87e5399f77928a3fa53f954732b5273e5fc94e84af3dc6e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling swimming-pool v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "d47958c2c403162a87e5399f77928a3fa53f954732b5273e5fc94e84af3dc6e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d47958c2c403162a87e5399f77928a3fa53f954732b5273e5fc94e84af3dc6e2", kill_on_drop: false }`
[INFO] [stdout] d47958c2c403162a87e5399f77928a3fa53f954732b5273e5fc94e84af3dc6e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 90b119aec3737a8812390d695e2f4106b85cd3031601acb86ff1a5cfe8d2a473
[INFO] running `Command { std: "docker" "start" "-a" "90b119aec3737a8812390d695e2f4106b85cd3031601acb86ff1a5cfe8d2a473", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/swimming_pool-53949a2febbe2ee8)
[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 swimming_pool
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/threadpool.rs - threadpool::ThreadPool::execute (line 67) ... FAILED
[INFO] [stdout] test src/threadpool.rs - threadpool::ThreadPool (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/threadpool.rs - threadpool::ThreadPool::execute (line 67) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `threadpool`
[INFO] [stdout]  --> src/threadpool.rs:68:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use threadpool::Threadpool;
[INFO] [stdout]   |     ^^^^^^^^^^ use of unresolved module or unlinked crate `threadpool`
[INFO] [stdout]   |
[INFO] [stdout] help: to make use of source file src/threadpool.rs, use `mod threadpool` in this file to declare the module
[INFO] [stdout]   |
[INFO] [stdout] 2 + mod threadpool;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ThreadPool`
[INFO] [stdout]  --> src/threadpool.rs:70:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | let pool = ThreadPool::new(10);
[INFO] [stdout]   |            ^^^^^^^^^^ use of undeclared type `ThreadPool`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use swimming_pool::ThreadPool;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/threadpool.rs - threadpool::ThreadPool::execute (line 67)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.39s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "90b119aec3737a8812390d695e2f4106b85cd3031601acb86ff1a5cfe8d2a473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90b119aec3737a8812390d695e2f4106b85cd3031601acb86ff1a5cfe8d2a473", kill_on_drop: false }`
[INFO] [stdout] 90b119aec3737a8812390d695e2f4106b85cd3031601acb86ff1a5cfe8d2a473