[INFO] fetching crate mlzlog 0.8.3...
[INFO] testing mlzlog-0.8.3 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mlzlog 0.8.3 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate mlzlog 0.8.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mlzlog 0.8.3
[INFO] tweaked toml for crates.io crate mlzlog 0.8.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mlzlog 0.8.3 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] crate crates.io crate mlzlog 0.8.3 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8ad9e833d9fbc924f32c4df920f5109408f0c8ee993a862320c1dac4e6ebf752
[INFO] running `Command { std: "docker" "start" "-a" "8ad9e833d9fbc924f32c4df920f5109408f0c8ee993a862320c1dac4e6ebf752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ad9e833d9fbc924f32c4df920f5109408f0c8ee993a862320c1dac4e6ebf752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ad9e833d9fbc924f32c4df920f5109408f0c8ee993a862320c1dac4e6ebf752", kill_on_drop: false }`
[INFO] [stdout] 8ad9e833d9fbc924f32c4df920f5109408f0c8ee993a862320c1dac4e6ebf752
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ad4c609ce4d975bf17b0d91b9f80c05c806f1a0f5a6fb3a451fdf815df8d2e37
[INFO] running `Command { std: "docker" "start" "-a" "ad4c609ce4d975bf17b0d91b9f80c05c806f1a0f5a6fb3a451fdf815df8d2e37", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling once_cell v1.20.1
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling thread-id v4.2.2
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling log4rs v1.2.0
[INFO] [stderr]    Compiling mlzlog v0.8.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.12s
[INFO] running `Command { std: "docker" "inspect" "ad4c609ce4d975bf17b0d91b9f80c05c806f1a0f5a6fb3a451fdf815df8d2e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad4c609ce4d975bf17b0d91b9f80c05c806f1a0f5a6fb3a451fdf815df8d2e37", kill_on_drop: false }`
[INFO] [stdout] ad4c609ce4d975bf17b0d91b9f80c05c806f1a0f5a6fb3a451fdf815df8d2e37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 63655a33eeb11c7a05444c31f46153bbfc771aad1e8dd30429941bcbfae92a5a
[INFO] running `Command { std: "docker" "start" "-a" "63655a33eeb11c7a05444c31f46153bbfc771aad1e8dd30429941bcbfae92a5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling mlzlog v0.8.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "63655a33eeb11c7a05444c31f46153bbfc771aad1e8dd30429941bcbfae92a5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63655a33eeb11c7a05444c31f46153bbfc771aad1e8dd30429941bcbfae92a5a", kill_on_drop: false }`
[INFO] [stdout] 63655a33eeb11c7a05444c31f46153bbfc771aad1e8dd30429941bcbfae92a5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6eae2f87d6cde45f737d0e7b8a85de4dae5cb46dc8dcb619031c822211df25f9
[INFO] running `Command { std: "docker" "start" "-a" "6eae2f87d6cde45f737d0e7b8a85de4dae5cb46dc8dcb619031c822211df25f9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mlzlog-0513d251e70ec5d2)
[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] [stderr]    Doc-tests mlzlog
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Settings (line 283) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6eae2f87d6cde45f737d0e7b8a85de4dae5cb46dc8dcb619031c822211df25f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eae2f87d6cde45f737d0e7b8a85de4dae5cb46dc8dcb619031c822211df25f9", kill_on_drop: false }`
[INFO] [stdout] 6eae2f87d6cde45f737d0e7b8a85de4dae5cb46dc8dcb619031c822211df25f9