[INFO] cloning repository https://github.com/JohnScience/headless_browser_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JohnScience/headless_browser_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnScience%2Fheadless_browser_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnScience%2Fheadless_browser_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 690000bfade5b6fb7994fec3763c72458edc3a74
[INFO] documenting JohnScience/headless_browser_example against 1.86.0 for beta-1.87-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnScience%2Fheadless_browser_example" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JohnScience/headless_browser_example on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JohnScience/headless_browser_example
[INFO] finished tweaking git repo https://github.com/JohnScience/headless_browser_example
[INFO] tweaked toml for git repo https://github.com/JohnScience/headless_browser_example written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JohnScience/headless_browser_example 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" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 955c630c0fb81430931cb4706ff2e29d954d5777ccbbb6696d1171a503112df9
[INFO] running `Command { std: "docker" "start" "-a" "955c630c0fb81430931cb4706ff2e29d954d5777ccbbb6696d1171a503112df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "955c630c0fb81430931cb4706ff2e29d954d5777ccbbb6696d1171a503112df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "955c630c0fb81430931cb4706ff2e29d954d5777ccbbb6696d1171a503112df9", kill_on_drop: false }`
[INFO] [stdout] 955c630c0fb81430931cb4706ff2e29d954d5777ccbbb6696d1171a503112df9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e7dfe84871e34264ed9f441fc0162bf933f5aa0e704ade777d9817b5a9cbd25
[INFO] running `Command { std: "docker" "start" "-a" "9e7dfe84871e34264ed9f441fc0162bf933f5aa0e704ade777d9817b5a9cbd25", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
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[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling getrandom v0.1.16
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[INFO] [stderr]     Checking tinyvec v1.5.1
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[INFO] [stderr]     Checking rand_core v0.3.1
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[INFO] [stderr]    Compiling serde_derive v1.0.136
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[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]     Checking headless_chrome v0.9.0
[INFO] [stderr]  Documenting headless_browser_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.16s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/headless_browser_example/index.html
[INFO] running `Command { std: "docker" "inspect" "9e7dfe84871e34264ed9f441fc0162bf933f5aa0e704ade777d9817b5a9cbd25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e7dfe84871e34264ed9f441fc0162bf933f5aa0e704ade777d9817b5a9cbd25", kill_on_drop: false }`
[INFO] [stdout] 9e7dfe84871e34264ed9f441fc0162bf933f5aa0e704ade777d9817b5a9cbd25