[INFO] fetching crate ckb-channel 0.201.0...
[INFO] documenting ckb-channel-0.201.0 against beta-2025-04-20 for beta-1.87-rustdoc-2
[INFO] extracting crate ckb-channel 0.201.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate ckb-channel 0.201.0 on toolchain beta-2025-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckb-channel 0.201.0
[INFO] finished tweaking crates.io crate ckb-channel 0.201.0
[INFO] tweaked toml for crates.io crate ckb-channel 0.201.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate ckb-channel 0.201.0 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-2025-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f3233c5f0f1f1d6d28dc40ddfe35b850a8017b74bdb24829553807f7d61231a
[INFO] running `Command { std: "docker" "start" "-a" "2f3233c5f0f1f1d6d28dc40ddfe35b850a8017b74bdb24829553807f7d61231a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f3233c5f0f1f1d6d28dc40ddfe35b850a8017b74bdb24829553807f7d61231a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f3233c5f0f1f1d6d28dc40ddfe35b850a8017b74bdb24829553807f7d61231a", kill_on_drop: false }`
[INFO] [stdout] 2f3233c5f0f1f1d6d28dc40ddfe35b850a8017b74bdb24829553807f7d61231a
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e7610509c7c56cd7ec69c36b760ac9355121e01e1d838a9f8f98db7b992fde6
[INFO] running `Command { std: "docker" "start" "-a" "1e7610509c7c56cd7ec69c36b760ac9355121e01e1d838a9f8f98db7b992fde6", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking crossbeam-channel v0.5.14
[INFO] [stderr]  Documenting ckb-channel v0.201.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.20s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/ckb_channel/index.html
[INFO] running `Command { std: "docker" "inspect" "1e7610509c7c56cd7ec69c36b760ac9355121e01e1d838a9f8f98db7b992fde6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e7610509c7c56cd7ec69c36b760ac9355121e01e1d838a9f8f98db7b992fde6", kill_on_drop: false }`
[INFO] [stdout] 1e7610509c7c56cd7ec69c36b760ac9355121e01e1d838a9f8f98db7b992fde6
[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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-20" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cab7b899f46a3dd64479b665944c4b0e1d581d64a7191936c6ca7ca951b27ae4
[INFO] running `Command { std: "docker" "start" "-a" "cab7b899f46a3dd64479b665944c4b0e1d581d64a7191936c6ca7ca951b27ae4", kill_on_drop: false }`
[INFO] [stderr]  Documenting ckb-channel v0.201.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/ckb_channel/index.html
[INFO] running `Command { std: "docker" "inspect" "cab7b899f46a3dd64479b665944c4b0e1d581d64a7191936c6ca7ca951b27ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cab7b899f46a3dd64479b665944c4b0e1d581d64a7191936c6ca7ca951b27ae4", kill_on_drop: false }`
[INFO] [stdout] cab7b899f46a3dd64479b665944c4b0e1d581d64a7191936c6ca7ca951b27ae4