[INFO] cloning repository https://github.com/ChijinZ/rust_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChijinZ/rust_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChijinZ%2Frust_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChijinZ%2Frust_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62aa884b295f1580ccd42e446a9cda52ff9eff0b
[INFO] documenting ChijinZ/rust_test against 1.75.0 for beta-1.76-rustdoc-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChijinZ%2Frust_test" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ChijinZ/rust_test on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ChijinZ/rust_test
[INFO] finished tweaking git repo https://github.com/ChijinZ/rust_test
[INFO] tweaked toml for git repo https://github.com/ChijinZ/rust_test written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ChijinZ/rust_test 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aff051bfec0bcbd628f8247cb68fcb8f7880299f46ff9d3cada77881ebe1bf6f
[INFO] running `Command { std: "docker" "start" "-a" "aff051bfec0bcbd628f8247cb68fcb8f7880299f46ff9d3cada77881ebe1bf6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aff051bfec0bcbd628f8247cb68fcb8f7880299f46ff9d3cada77881ebe1bf6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aff051bfec0bcbd628f8247cb68fcb8f7880299f46ff9d3cada77881ebe1bf6f", kill_on_drop: false }`
[INFO] [stdout] aff051bfec0bcbd628f8247cb68fcb8f7880299f46ff9d3cada77881ebe1bf6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84ad1b9384070280ca9b4ab470b65cf2371199752e54bcdec6c3b18174fa67c7
[INFO] running `Command { std: "docker" "start" "-a" "84ad1b9384070280ca9b4ab470b65cf2371199752e54bcdec6c3b18174fa67c7", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking futures v0.1.21
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[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling serde v1.0.69
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking memrange v0.1.3
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[INFO] [stderr]    Compiling syn v0.14.4
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[INFO] [stderr]     Checking tokio-process v0.2.2
[INFO] [stderr]     Checking tokio v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.69
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[INFO] [stderr]     Checking serde_json v1.0.22
[INFO] [stderr]     Checking shared_memory v0.8.0
[INFO] [stderr]     Checking msg-transmitter v0.3.0
[INFO] [stderr]  Documenting rust_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.88s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24, syn v0.14.4
[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/rust_test/index.html
[INFO] running `Command { std: "docker" "inspect" "84ad1b9384070280ca9b4ab470b65cf2371199752e54bcdec6c3b18174fa67c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ad1b9384070280ca9b4ab470b65cf2371199752e54bcdec6c3b18174fa67c7", kill_on_drop: false }`
[INFO] [stdout] 84ad1b9384070280ca9b4ab470b65cf2371199752e54bcdec6c3b18174fa67c7