[INFO] fetching crate low_latency_log 0.2.0...
[INFO] testing low_latency_log-0.2.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate low_latency_log 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate low_latency_log 0.2.0
[INFO] finished tweaking crates.io crate low_latency_log 0.2.0
[INFO] tweaked toml for crates.io crate low_latency_log 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate low_latency_log 0.2.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 45 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fcd75c1358b64ef40ff7a80e4de8cc24cc0ab33da44c3066cb9ba722e6b305ac
[INFO] running `Command { std: "docker" "start" "-a" "fcd75c1358b64ef40ff7a80e4de8cc24cc0ab33da44c3066cb9ba722e6b305ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcd75c1358b64ef40ff7a80e4de8cc24cc0ab33da44c3066cb9ba722e6b305ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcd75c1358b64ef40ff7a80e4de8cc24cc0ab33da44c3066cb9ba722e6b305ac", kill_on_drop: false }`
[INFO] [stdout] fcd75c1358b64ef40ff7a80e4de8cc24cc0ab33da44c3066cb9ba722e6b305ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 584cc21fbf22ccdcdc78240f6aec23f9d753903479ec581f0df42fbfec27c802
[INFO] running `Command { std: "docker" "start" "-a" "584cc21fbf22ccdcdc78240f6aec23f9d753903479ec581f0df42fbfec27c802", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling ufmt-write v0.1.0
[INFO] [stderr]    Compiling symlink v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling gettid v0.1.4
[INFO] [stderr]    Compiling core_affinity v0.8.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling ufmt-macros v0.3.0
[INFO] [stderr]    Compiling ufmt v0.2.0
[INFO] [stderr]    Compiling low_latency_log v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.82s
[INFO] running `Command { std: "docker" "inspect" "584cc21fbf22ccdcdc78240f6aec23f9d753903479ec581f0df42fbfec27c802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "584cc21fbf22ccdcdc78240f6aec23f9d753903479ec581f0df42fbfec27c802", kill_on_drop: false }`
[INFO] [stdout] 584cc21fbf22ccdcdc78240f6aec23f9d753903479ec581f0df42fbfec27c802
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56ec6797d8b40dbe209338a86b0819dab9bd3b044da9f2f1ecf3723e1d4cc968
[INFO] running `Command { std: "docker" "start" "-a" "56ec6797d8b40dbe209338a86b0819dab9bd3b044da9f2f1ecf3723e1d4cc968", kill_on_drop: false }`
[INFO] [stderr]    Compiling low_latency_log v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "56ec6797d8b40dbe209338a86b0819dab9bd3b044da9f2f1ecf3723e1d4cc968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56ec6797d8b40dbe209338a86b0819dab9bd3b044da9f2f1ecf3723e1d4cc968", kill_on_drop: false }`
[INFO] [stdout] 56ec6797d8b40dbe209338a86b0819dab9bd3b044da9f2f1ecf3723e1d4cc968
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 50f8777407918c99d3e6aa3a4a59cb8fe640619819b347d5f09330bfa53e4fce
[INFO] running `Command { std: "docker" "start" "-a" "50f8777407918c99d3e6aa3a4a59cb8fe640619819b347d5f09330bfa53e4fce", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/low_latency_log-b6a616040791c54d)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_log_func_size ... ok
[INFO] [stdout] test fmt_utils::tests::test_write_u32 ... ok
[INFO] [stdout] test fmt_utils::tests::bench_fmt_u32 has been running for over 60 seconds
[INFO] [stdout] test fmt_utils::tests::bench_write_u32 has been running for over 60 seconds
[INFO] [stdout] test fmt_utils::tests::bench_fmt_u32 ... ok
[INFO] [stdout] test fmt_utils::tests::bench_write_u32 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 366.80s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests low_latency_log
[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" "50f8777407918c99d3e6aa3a4a59cb8fe640619819b347d5f09330bfa53e4fce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50f8777407918c99d3e6aa3a4a59cb8fe640619819b347d5f09330bfa53e4fce", kill_on_drop: false }`
[INFO] [stdout] 50f8777407918c99d3e6aa3a4a59cb8fe640619819b347d5f09330bfa53e4fce