[INFO] fetching crate mx-message 3.1.0...
[INFO] documenting mx-message-3.1.0 against beta-2025-09-21 for beta-rustdoc-1.91-2
[INFO] extracting crate mx-message 3.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate mx-message 3.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mx-message 3.1.0
[INFO] tweaked toml for crates.io crate mx-message 3.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mx-message 3.1.0 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 mx-message 3.1.0 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] cbffb411db2918fd8be6e63319bec01921d904bae2126042e80abc9ca828a5b7
[INFO] running `Command { std: "docker" "start" "-a" "cbffb411db2918fd8be6e63319bec01921d904bae2126042e80abc9ca828a5b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbffb411db2918fd8be6e63319bec01921d904bae2126042e80abc9ca828a5b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbffb411db2918fd8be6e63319bec01921d904bae2126042e80abc9ca828a5b7", kill_on_drop: false }`
[INFO] [stdout] cbffb411db2918fd8be6e63319bec01921d904bae2126042e80abc9ca828a5b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd2bce75e7d3e8f3d3ab7f7c7ff626fc3d267f0966e49471b76b4677a5818910
[INFO] running `Command { std: "docker" "start" "-a" "bd2bce75e7d3e8f3d3ab7f7c7ff626fc3d267f0966e49471b76b4677a5818910", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.223
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling serde v1.0.223
[INFO] [stderr]     Checking bytemuck v1.23.2
[INFO] [stderr]     Checking sha1_smol v1.0.1
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking atomic v0.6.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking uuid v1.18.1
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling serde_derive v1.0.223
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling dummy v0.11.0
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking quick-xml v0.38.3
[INFO] [stderr]     Checking datalogic-rs v4.0.1
[INFO] [stderr]     Checking fake v4.4.0
[INFO] [stderr]     Checking datafake-rs v0.2.0
[INFO] [stderr]  Documenting mx-message v3.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `mx-message`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2024 --crate-type lib --crate-name mx_message src/lib.rs -o /opt/rustwide/target/doc --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -C metadata=78c7701fe2e0a22f -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-a6fa3272e423ac51.rmeta --extern datafake_rs=/opt/rustwide/target/debug/deps/libdatafake_rs-f25c5b53505cb689.rmeta --extern quick_xml=/opt/rustwide/target/debug/deps/libquick_xml-8cdd3ea5bf17a687.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-85dc8de94a027a30.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-67b8c6d75d15b391.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-25716b7161bf2a6d.rmeta --document-private-items --cap-lints=warn --crate-version 3.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "bd2bce75e7d3e8f3d3ab7f7c7ff626fc3d267f0966e49471b76b4677a5818910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd2bce75e7d3e8f3d3ab7f7c7ff626fc3d267f0966e49471b76b4677a5818910", kill_on_drop: false }`
[INFO] [stdout] bd2bce75e7d3e8f3d3ab7f7c7ff626fc3d267f0966e49471b76b4677a5818910