[INFO] fetching crate concurrent_arena 0.1.10...
[INFO] documenting concurrent_arena-0.1.10 against beta-2025-04-20 for beta-1.87-rustdoc-2
[INFO] extracting crate concurrent_arena 0.1.10 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate concurrent_arena 0.1.10 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 concurrent_arena 0.1.10
[INFO] finished tweaking crates.io crate concurrent_arena 0.1.10
[INFO] tweaked toml for crates.io crate concurrent_arena 0.1.10 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 39 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-2025-04-20" "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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] daad97949fe74dcc5ff5fa441932333058cabdf96a7671ed200694be7620cac4
[INFO] running `Command { std: "docker" "start" "-a" "daad97949fe74dcc5ff5fa441932333058cabdf96a7671ed200694be7620cac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "daad97949fe74dcc5ff5fa441932333058cabdf96a7671ed200694be7620cac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daad97949fe74dcc5ff5fa441932333058cabdf96a7671ed200694be7620cac4", kill_on_drop: false }`
[INFO] [stdout] daad97949fe74dcc5ff5fa441932333058cabdf96a7671ed200694be7620cac4
[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: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] b2801c522da9d0823d9c4df44acefa18bb0b8469438d27572cc5eb14155faa79
[INFO] running `Command { std: "docker" "start" "-a" "b2801c522da9d0823d9c4df44acefa18bb0b8469438d27572cc5eb14155faa79", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking triomphe v0.1.14
[INFO] [stderr]  Documenting concurrent_arena v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.23s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/concurrent_arena/index.html
[INFO] running `Command { std: "docker" "inspect" "b2801c522da9d0823d9c4df44acefa18bb0b8469438d27572cc5eb14155faa79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2801c522da9d0823d9c4df44acefa18bb0b8469438d27572cc5eb14155faa79", kill_on_drop: false }`
[INFO] [stdout] b2801c522da9d0823d9c4df44acefa18bb0b8469438d27572cc5eb14155faa79
[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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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] f57dadb7066fd3500316a6086943f607437130900356256578c3d9722871a4f3
[INFO] running `Command { std: "docker" "start" "-a" "f57dadb7066fd3500316a6086943f607437130900356256578c3d9722871a4f3", kill_on_drop: false }`
[INFO] [stderr]  Documenting concurrent_arena v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/concurrent_arena/index.html
[INFO] running `Command { std: "docker" "inspect" "f57dadb7066fd3500316a6086943f607437130900356256578c3d9722871a4f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f57dadb7066fd3500316a6086943f607437130900356256578c3d9722871a4f3", kill_on_drop: false }`
[INFO] [stdout] f57dadb7066fd3500316a6086943f607437130900356256578c3d9722871a4f3