[INFO] fetching crate confidence 1.0.0...
[INFO] documenting confidence-1.0.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate confidence 1.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate confidence 1.0.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate confidence 1.0.0
[INFO] finished tweaking crates.io crate confidence 1.0.0
[INFO] tweaked toml for crates.io crate confidence 1.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate confidence 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56f9335f5f5d349220b71f7b08540d7152c6cfa7204600d64f95b82b6216487e
[INFO] running `Command { std: "docker" "start" "-a" "56f9335f5f5d349220b71f7b08540d7152c6cfa7204600d64f95b82b6216487e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56f9335f5f5d349220b71f7b08540d7152c6cfa7204600d64f95b82b6216487e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56f9335f5f5d349220b71f7b08540d7152c6cfa7204600d64f95b82b6216487e", kill_on_drop: false }`
[INFO] [stdout] 56f9335f5f5d349220b71f7b08540d7152c6cfa7204600d64f95b82b6216487e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4e1e7673d8ecb1e73453eec9acd4497d1a6ec62425f7e99d9187736ae5d910a
[INFO] running `Command { std: "docker" "start" "-a" "b4e1e7673d8ecb1e73453eec9acd4497d1a6ec62425f7e99d9187736ae5d910a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]  Documenting confidence v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `Command { std: "docker" "inspect" "b4e1e7673d8ecb1e73453eec9acd4497d1a6ec62425f7e99d9187736ae5d910a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4e1e7673d8ecb1e73453eec9acd4497d1a6ec62425f7e99d9187736ae5d910a", kill_on_drop: false }`
[INFO] [stdout] b4e1e7673d8ecb1e73453eec9acd4497d1a6ec62425f7e99d9187736ae5d910a
