[INFO] fetching crate ferrule 0.2.0-alpha...
[INFO] documenting ferrule-0.2.0-alpha against 1.100.0-beta.1 for beta-rustdoc-1.100-2
[INFO] extracting crate ferrule 0.2.0-alpha into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate ferrule 0.2.0-alpha
[INFO] finished tweaking crates.io crate ferrule 0.2.0-alpha
[INFO] tweaked toml for crates.io crate ferrule 0.2.0-alpha written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ferrule 0.2.0-alpha on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ferrule 0.2.0-alpha 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" "+1.100.0-beta.1" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 89e53be7393b7b5322703b1174ee97b2aaba517b7eed919b6e8cacf4ab205fb0
[INFO] running `Command { std: "docker" "start" "89e53be7393b7b5322703b1174ee97b2aaba517b7eed919b6e8cacf4ab205fb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89e53be7393b7b5322703b1174ee97b2aaba517b7eed919b6e8cacf4ab205fb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "89e53be7393b7b5322703b1174ee97b2aaba517b7eed919b6e8cacf4ab205fb0" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89e53be7393b7b5322703b1174ee97b2aaba517b7eed919b6e8cacf4ab205fb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "89e53be7393b7b5322703b1174ee97b2aaba517b7eed919b6e8cacf4ab205fb0" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]  Documenting ferrule v0.2.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.29.0, proc-macro-error2 v2.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/ferrule/index.html
[INFO] running `Command { std: "docker" "inspect" "89e53be7393b7b5322703b1174ee97b2aaba517b7eed919b6e8cacf4ab205fb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89e53be7393b7b5322703b1174ee97b2aaba517b7eed919b6e8cacf4ab205fb0", kill_on_drop: false }`
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