[INFO] fetching crate snowflake-id-generator 0.4.0...
[INFO] testing snowflake-id-generator-0.4.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate snowflake-id-generator 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate snowflake-id-generator 0.4.0
[INFO] finished tweaking crates.io crate snowflake-id-generator 0.4.0
[INFO] tweaked toml for crates.io crate snowflake-id-generator 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate snowflake-id-generator 0.4.0 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] crate crates.io crate snowflake-id-generator 0.4.0 already has a lockfile, it will not be regenerated
[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] 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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e53c264887e9ea1e378fb4146c43d81da574d460fc82d9168597a527d118783a
[INFO] running `Command { std: "docker" "start" "-a" "e53c264887e9ea1e378fb4146c43d81da574d460fc82d9168597a527d118783a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e53c264887e9ea1e378fb4146c43d81da574d460fc82d9168597a527d118783a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e53c264887e9ea1e378fb4146c43d81da574d460fc82d9168597a527d118783a", kill_on_drop: false }`
[INFO] [stdout] e53c264887e9ea1e378fb4146c43d81da574d460fc82d9168597a527d118783a
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e12b0bc3b9a86290c402b150e3caa6bb788e2b0b946f8ecd6b0cc75232bff556
[INFO] running `Command { std: "docker" "start" "-a" "e12b0bc3b9a86290c402b150e3caa6bb788e2b0b946f8ecd6b0cc75232bff556", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling snowflake-id-generator v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.10s
[INFO] running `Command { std: "docker" "inspect" "e12b0bc3b9a86290c402b150e3caa6bb788e2b0b946f8ecd6b0cc75232bff556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e12b0bc3b9a86290c402b150e3caa6bb788e2b0b946f8ecd6b0cc75232bff556", kill_on_drop: false }`
[INFO] [stdout] e12b0bc3b9a86290c402b150e3caa6bb788e2b0b946f8ecd6b0cc75232bff556
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 804aa48e29d0039c6ac556182e2218c68943e272cce399df00c226568575bb5e
[INFO] running `Command { std: "docker" "start" "-a" "804aa48e29d0039c6ac556182e2218c68943e272cce399df00c226568575bb5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling snowflake-id-generator v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "804aa48e29d0039c6ac556182e2218c68943e272cce399df00c226568575bb5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "804aa48e29d0039c6ac556182e2218c68943e272cce399df00c226568575bb5e", kill_on_drop: false }`
[INFO] [stdout] 804aa48e29d0039c6ac556182e2218c68943e272cce399df00c226568575bb5e
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c54126e8d760db6b986059ded598aa9aafc2c6a3e8c665079322dc0e4c26ffa5
[INFO] running `Command { std: "docker" "start" "-a" "c54126e8d760db6b986059ded598aa9aafc2c6a3e8c665079322dc0e4c26ffa5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/snowflake_id_generator-76140052099dd87e)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test single_thread::tests::test_snowflake_id_generation ... ok
[INFO] [stdout] test tests::test_multi_thread_async_snowflake_id_generation ... ok
[INFO] [stdout] test tests::test_single_thread_snowflake_id_generation ... ok
[INFO] [stdout] test tests::test_multi_thread_sync_snowflake_id_generation ... ok
[INFO] [stdout] test tests::bench_multi_thread_sync_snowflake_id_generation ... ok
[INFO] [stdout] test single_thread::tests::bench_snowflake_id_generation ... ok
[INFO] [stdout] test tests::bench_single_thread_snowflake_id_generation ... ok
[INFO] [stderr]    Doc-tests snowflake_id_generator
[INFO] [stdout] test tests::bench_multi_thread_async_snowflake_id_generation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.07s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "c54126e8d760db6b986059ded598aa9aafc2c6a3e8c665079322dc0e4c26ffa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c54126e8d760db6b986059ded598aa9aafc2c6a3e8c665079322dc0e4c26ffa5", kill_on_drop: false }`
[INFO] [stdout] c54126e8d760db6b986059ded598aa9aafc2c6a3e8c665079322dc0e4c26ffa5
