[INFO] fetching crate tinypool 0.2.0...
[INFO] testing tinypool-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tinypool 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate tinypool 0.2.0
[INFO] finished tweaking crates.io crate tinypool 0.2.0
[INFO] tweaked toml for crates.io crate tinypool 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tinypool 0.2.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28fe746cfa5f8bd7ef433968435eade90e5daa182fdf81389c8ffdb7cd357223
[INFO] running `Command { std: "docker" "start" "-a" "28fe746cfa5f8bd7ef433968435eade90e5daa182fdf81389c8ffdb7cd357223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28fe746cfa5f8bd7ef433968435eade90e5daa182fdf81389c8ffdb7cd357223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28fe746cfa5f8bd7ef433968435eade90e5daa182fdf81389c8ffdb7cd357223", kill_on_drop: false }`
[INFO] [stdout] 28fe746cfa5f8bd7ef433968435eade90e5daa182fdf81389c8ffdb7cd357223
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f32e877f89724d81a4ac2b75e8c100f3864bcc51705de37e59563cf61414c3c
[INFO] running `Command { std: "docker" "start" "-a" "7f32e877f89724d81a4ac2b75e8c100f3864bcc51705de37e59563cf61414c3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinypool v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "7f32e877f89724d81a4ac2b75e8c100f3864bcc51705de37e59563cf61414c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f32e877f89724d81a4ac2b75e8c100f3864bcc51705de37e59563cf61414c3c", kill_on_drop: false }`
[INFO] [stdout] 7f32e877f89724d81a4ac2b75e8c100f3864bcc51705de37e59563cf61414c3c
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 765d552d553603e711c81dd9345ab4160638ef3505f40c2a0d62b52766e63826
[INFO] running `Command { std: "docker" "start" "-a" "765d552d553603e711c81dd9345ab4160638ef3505f40c2a0d62b52766e63826", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinypool v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "765d552d553603e711c81dd9345ab4160638ef3505f40c2a0d62b52766e63826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "765d552d553603e711c81dd9345ab4160638ef3505f40c2a0d62b52766e63826", kill_on_drop: false }`
[INFO] [stdout] 765d552d553603e711c81dd9345ab4160638ef3505f40c2a0d62b52766e63826
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 30a4370ef4ee3e1950ce623b08b6fb4580e1821a6f58f1db680da9a384ef00f8
[INFO] running `Command { std: "docker" "start" "-a" "30a4370ef4ee3e1950ce623b08b6fb4580e1821a6f58f1db680da9a384ef00f8", 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/tinypool-ffdc21184f095d79)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test threadpool::tests::queue ... ok
[INFO] [stdout] test threadpool::tests::join ... ok
[INFO] [stdout] test threadpool::tests::complex ... ok
[INFO] [stdout] test threadpool::tests::size ... ok
[INFO] [stdout] test threadpool::tests::new ... ok
[INFO] [stderr]      Running tests/collatz_conjecture.rs (/opt/rustwide/target/debug/deps/collatz_conjecture-d31d93a1a2689e3f)
[INFO] [stdout] test threadpool::tests::wait ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test collatz_10_000_channel ... ok
[INFO] [stdout] test collatz_10_000_mutex ... ok
[INFO] [stdout] test collatz_1000_mutex ... ok
[INFO] [stdout] test collatz_1000_channel ... ok
[INFO] [stdout] test collatz_100_000_mutex ... ok
[INFO] [stdout] test collatz_100_000_channel ... ok
[INFO] [stdout] test collatz_1_000_000_channel ... ok
[INFO] [stdout] test collatz_1_000_000_mutex ... ok
[INFO] [stdout] test collatz_10_000_000_mutex ... ok
[INFO] [stdout] test collatz_10_000_000_channel ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 42.16s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tinypool
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/threadpool.rs - threadpool::ThreadPool::set_size (line 183) ... ok
[INFO] [stdout] test src/threadpool.rs - threadpool::ThreadPool::size (line 159) ... ok
[INFO] [stdout] test src/threadpool.rs - threadpool::ThreadPool::wait (line 295) ... ok
[INFO] [stdout] test src/threadpool.rs - threadpool::ThreadPool::add_to_queue (line 107) ... ok
[INFO] [stdout] test src/threadpool.rs - threadpool::ThreadPool::queued_jobs (line 137) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/threadpool.rs - threadpool::ThreadPool::new (line 67) ... ok
[INFO] [stdout] test src/lib.rs - (line 27) ... ok
[INFO] [stdout] test src/threadpool.rs - threadpool::ThreadPool::join (line 259) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "30a4370ef4ee3e1950ce623b08b6fb4580e1821a6f58f1db680da9a384ef00f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30a4370ef4ee3e1950ce623b08b6fb4580e1821a6f58f1db680da9a384ef00f8", kill_on_drop: false }`
[INFO] [stdout] 30a4370ef4ee3e1950ce623b08b6fb4580e1821a6f58f1db680da9a384ef00f8
