[INFO] fetching crate tinypool 0.2.0... [INFO] testing tinypool-0.2.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate tinypool 0.2.0 into /workspace/builds/worker-4-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-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tinypool 0.2.0 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] 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-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] f6780bc349bfacdf394f7024071cc52917406f0586113b024b1ec7d81f5e458a [INFO] running `Command { std: "docker" "start" "-a" "f6780bc349bfacdf394f7024071cc52917406f0586113b024b1ec7d81f5e458a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f6780bc349bfacdf394f7024071cc52917406f0586113b024b1ec7d81f5e458a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6780bc349bfacdf394f7024071cc52917406f0586113b024b1ec7d81f5e458a", kill_on_drop: false }` [INFO] [stdout] f6780bc349bfacdf394f7024071cc52917406f0586113b024b1ec7d81f5e458a [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] eea8813516f8fb6102c4d211d1d976cfeb49c270244505744ceaf49e0ebd1e96 [INFO] running `Command { std: "docker" "start" "-a" "eea8813516f8fb6102c4d211d1d976cfeb49c270244505744ceaf49e0ebd1e96", kill_on_drop: false }` [INFO] [stderr] Compiling tinypool v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s [INFO] running `Command { std: "docker" "inspect" "eea8813516f8fb6102c4d211d1d976cfeb49c270244505744ceaf49e0ebd1e96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eea8813516f8fb6102c4d211d1d976cfeb49c270244505744ceaf49e0ebd1e96", kill_on_drop: false }` [INFO] [stdout] eea8813516f8fb6102c4d211d1d976cfeb49c270244505744ceaf49e0ebd1e96 [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] dc93863e71a8326368485e05739e120dfb96ea70f34c276fb9a8c51c1118f517 [INFO] running `Command { std: "docker" "start" "-a" "dc93863e71a8326368485e05739e120dfb96ea70f34c276fb9a8c51c1118f517", kill_on_drop: false }` [INFO] [stderr] Compiling tinypool v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.43s [INFO] running `Command { std: "docker" "inspect" "dc93863e71a8326368485e05739e120dfb96ea70f34c276fb9a8c51c1118f517", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc93863e71a8326368485e05739e120dfb96ea70f34c276fb9a8c51c1118f517", kill_on_drop: false }` [INFO] [stdout] dc93863e71a8326368485e05739e120dfb96ea70f34c276fb9a8c51c1118f517 [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] 9d09df4514cda5826daee9ccd9179602f1912f310aa2071d41519fca52c67fab [INFO] running `Command { std: "docker" "start" "-a" "9d09df4514cda5826daee9ccd9179602f1912f310aa2071d41519fca52c67fab", 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-4ce3a13b332d31ce) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test threadpool::tests::queue ... ok [INFO] [stdout] test threadpool::tests::new ... 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::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] [stderr] Running tests/collatz_conjecture.rs (/opt/rustwide/target/debug/deps/collatz_conjecture-5be7a378335851ec) [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test collatz_1000_mutex ... ok [INFO] [stdout] test collatz_10_000_channel ... ok [INFO] [stdout] test collatz_1000_channel ... ok [INFO] [stdout] test collatz_10_000_mutex ... ok [INFO] [stdout] test collatz_100_000_mutex ... ok [INFO] [stdout] test collatz_100_000_channel ... ok [INFO] [stdout] test collatz_1_000_000_mutex ... ok [INFO] [stdout] test collatz_1_000_000_channel ... 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 56.57s [INFO] [stdout] [INFO] [stderr] Doc-tests tinypool [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test src/threadpool.rs - threadpool::ThreadPool::queued_jobs (line 137) ... ok [INFO] [stdout] test src/threadpool.rs - threadpool::ThreadPool::set_size (line 183) ... ok [INFO] [stdout] test src/lib.rs - (line 7) ... ok [INFO] [stdout] test src/threadpool.rs - threadpool::ThreadPool::size (line 159) ... ok [INFO] [stdout] test src/threadpool.rs - threadpool::ThreadPool::join (line 259) ... 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::new (line 67) ... ok [INFO] [stdout] test src/lib.rs - (line 27) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.06s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9d09df4514cda5826daee9ccd9179602f1912f310aa2071d41519fca52c67fab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d09df4514cda5826daee9ccd9179602f1912f310aa2071d41519fca52c67fab", kill_on_drop: false }` [INFO] [stdout] 9d09df4514cda5826daee9ccd9179602f1912f310aa2071d41519fca52c67fab