[INFO] fetching crate mt_bagread 0.4.2...
[INFO] documenting mt_bagread-0.4.2 against beta-2026-01-26 for beta-1.94-rustdoc-2
[INFO] extracting crate mt_bagread 0.4.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate mt_bagread 0.4.2
[INFO] finished tweaking crates.io crate mt_bagread 0.4.2
[INFO] tweaked toml for crates.io crate mt_bagread 0.4.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mt_bagread 0.4.2 on toolchain beta-2026-01-26
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-26" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mt_bagread 0.4.2 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-2026-01-26" "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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-26" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56dc4794cffdaeea64f02318bf4a556edd38afdec44e741b0f434ce2ef3dc1cf
[INFO] running `Command { std: "docker" "start" "-a" "56dc4794cffdaeea64f02318bf4a556edd38afdec44e741b0f434ce2ef3dc1cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56dc4794cffdaeea64f02318bf4a556edd38afdec44e741b0f434ce2ef3dc1cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56dc4794cffdaeea64f02318bf4a556edd38afdec44e741b0f434ce2ef3dc1cf", kill_on_drop: false }`
[INFO] [stdout] 56dc4794cffdaeea64f02318bf4a556edd38afdec44e741b0f434ce2ef3dc1cf
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-26" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0be317f62b13353e0dbfbcef8f347d026485fb2e63712d50e354349a39e739a1
[INFO] running `Command { std: "docker" "start" "-a" "0be317f62b13353e0dbfbcef8f347d026485fb2e63712d50e354349a39e739a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
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[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "0be317f62b13353e0dbfbcef8f347d026485fb2e63712d50e354349a39e739a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0be317f62b13353e0dbfbcef8f347d026485fb2e63712d50e354349a39e739a1", kill_on_drop: false }`
[INFO] [stdout] 0be317f62b13353e0dbfbcef8f347d026485fb2e63712d50e354349a39e739a1