[INFO] fetching crate snowflake_me 0.5.0... [INFO] testing snowflake_me-0.5.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate snowflake_me 0.5.0 into /workspace/builds/worker-6-tc2/source [INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml [INFO] started tweaking crates.io crate snowflake_me 0.5.0 [INFO] finished tweaking crates.io crate snowflake_me 0.5.0 [INFO] tweaked toml for crates.io crate snowflake_me 0.5.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate snowflake_me 0.5.0 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] crate crates.io crate snowflake_me 0.5.0 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-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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b8e4f5f7a93341467eff61eaf5ed9a899a3fd11baa7d397eb406495fd2839e73 [INFO] running `Command { std: "docker" "start" "-a" "b8e4f5f7a93341467eff61eaf5ed9a899a3fd11baa7d397eb406495fd2839e73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b8e4f5f7a93341467eff61eaf5ed9a899a3fd11baa7d397eb406495fd2839e73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b8e4f5f7a93341467eff61eaf5ed9a899a3fd11baa7d397eb406495fd2839e73", kill_on_drop: false }` [INFO] [stdout] b8e4f5f7a93341467eff61eaf5ed9a899a3fd11baa7d397eb406495fd2839e73 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ad804063050e5788ffa3c9697e5a982b3c290e5b05a4235effb5b54177806271 [INFO] running `Command { std: "docker" "start" "-a" "ad804063050e5788ffa3c9697e5a982b3c290e5b05a4235effb5b54177806271", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.97 [INFO] [stderr] Compiling thiserror v2.0.14 [INFO] [stderr] Compiling chrono v0.4.41 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling thiserror-impl v2.0.14 [INFO] [stderr] Compiling snowflake_me v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.25s [INFO] running `Command { std: "docker" "inspect" "ad804063050e5788ffa3c9697e5a982b3c290e5b05a4235effb5b54177806271", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad804063050e5788ffa3c9697e5a982b3c290e5b05a4235effb5b54177806271", kill_on_drop: false }` [INFO] [stdout] ad804063050e5788ffa3c9697e5a982b3c290e5b05a4235effb5b54177806271 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 64118cf98b433cf3e509e61c42a99f64c7c0eac996619e980633104322baecfc [INFO] running `Command { std: "docker" "start" "-a" "64118cf98b433cf3e509e61c42a99f64c7c0eac996619e980633104322baecfc", kill_on_drop: false }` [INFO] [stderr] Compiling serde_json v1.0.142 [INFO] [stderr] Compiling half v2.6.0 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling clap_builder v4.5.44 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling chrono v0.4.41 [INFO] [stderr] Compiling ciborium-ll v0.2.2 [INFO] [stderr] Compiling snowflake_me v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling clap v4.5.45 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling ciborium v0.2.2 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion v0.7.0 [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 17.75s [INFO] running `Command { std: "docker" "inspect" "64118cf98b433cf3e509e61c42a99f64c7c0eac996619e980633104322baecfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64118cf98b433cf3e509e61c42a99f64c7c0eac996619e980633104322baecfc", kill_on_drop: false }` [INFO] [stdout] 64118cf98b433cf3e509e61c42a99f64c7c0eac996619e980633104322baecfc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 060feb7c5e5700bd755ccc194c1ba2c2aefde6ef07b7adddbf1062db28c7f580 [INFO] running `Command { std: "docker" "start" "-a" "060feb7c5e5700bd755ccc194c1ba2c2aefde6ef07b7adddbf1062db28c7f580", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/snowflake_me-9d98291a4cd566da) [INFO] [stdout] running 10 tests [INFO] [stdout] test tests::bench_multi_thread_throughput ... ignored [INFO] [stdout] test tests::bench_single_thread_performance ... ignored [INFO] [stdout] test tests::test_generate_10_ids ... ok [INFO] [stdout] test tests::test_over_time_limit ... ok [INFO] [stdout] test tests::test_next_id ... ok [INFO] [stdout] test tests::test_builder_errors ... ok [INFO] [stdout] test tests::test_error_send_sync ... ok [INFO] [stdout] test tests::test_threads_uniqueness ... ok [INFO] [stdout] test tests::test_once ... ok [INFO] [stdout] test tests::test_run_for_1s ... ok [INFO] [stderr] Doc-tests snowflake_me [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 1.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test src/lib.rs - (line 35) ... ok [INFO] [stdout] test src/lib.rs - (line 96) ... ok [INFO] [stdout] test src/../README.md - ReadmeDoctests (line 78) ... FAILED [INFO] [stdout] test src/lib.rs - (line 52) ... ok [INFO] [stdout] test src/../README.md - ReadmeDoctests (line 145) ... ok [INFO] [stdout] test src/../README.md - ReadmeDoctests (line 98) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/../README.md - ReadmeDoctests (line 78) stdout ---- [INFO] [stdout] Test executable failed (exit status: 1). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] Error: MachineIdFailed("Machine ID not provided and `ip-fallback` feature is disabled") [INFO] [stdout] Error: "the test returned a termination value with a non-zero status code (1) which indicates a failure" [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/../README.md - ReadmeDoctests (line 78) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s [INFO] [stdout] [INFO] [stdout] all doctests ran in 1.09s; merged doctests compilation took 0.95s [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "060feb7c5e5700bd755ccc194c1ba2c2aefde6ef07b7adddbf1062db28c7f580", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "060feb7c5e5700bd755ccc194c1ba2c2aefde6ef07b7adddbf1062db28c7f580", kill_on_drop: false }` [INFO] [stdout] 060feb7c5e5700bd755ccc194c1ba2c2aefde6ef07b7adddbf1062db28c7f580