[INFO] cloning repository https://github.com/AutomatedTester/browser-manager
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AutomatedTester/browser-manager" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAutomatedTester%2Fbrowser-manager", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAutomatedTester%2Fbrowser-manager'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8272d37b4316633f8121c0ac57e03f631dda4834
[INFO] documenting AutomatedTester/browser-manager against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAutomatedTester%2Fbrowser-manager" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  80% (3311/4098)   
Checking out files:  81% (3320/4098)   
Checking out files:  82% (3361/4098)   
Checking out files:  83% (3402/4098)   
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Checking out files:  85% (3484/4098)   
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Checking out files:  88% (3607/4098)   
Checking out files:  89% (3648/4098)   
Checking out files:  90% (3689/4098)   
Checking out files:  91% (3730/4098)   
Checking out files:  92% (3771/4098)   
Checking out files:  93% (3812/4098)   
Checking out files:  94% (3853/4098)   
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Checking out files:  96% (3935/4098)   
Checking out files:  97% (3976/4098)   
Checking out files:  98% (4017/4098)   
Checking out files:  99% (4058/4098)   
Checking out files: 100% (4098/4098)   
Checking out files: 100% (4098/4098), done.
[INFO] validating manifest of git repo https://github.com/AutomatedTester/browser-manager on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking git repo https://github.com/AutomatedTester/browser-manager
[INFO] finished tweaking git repo https://github.com/AutomatedTester/browser-manager
[INFO] tweaked toml for git repo https://github.com/AutomatedTester/browser-manager written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/AutomatedTester/browser-manager already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f5464c9d0606763bb46756f49bad289e350fa73bb432be4fdc916789a5639b0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5f5464c9d0606763bb46756f49bad289e350fa73bb432be4fdc916789a5639b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f5464c9d0606763bb46756f49bad289e350fa73bb432be4fdc916789a5639b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f5464c9d0606763bb46756f49bad289e350fa73bb432be4fdc916789a5639b0", kill_on_drop: false }`
[INFO] [stdout] 5f5464c9d0606763bb46756f49bad289e350fa73bb432be4fdc916789a5639b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 312e477b3794c7362114df095dd6bc661d9915eeb1f44ba965ab36cb89b349f1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "312e477b3794c7362114df095dd6bc661d9915eeb1f44ba965ab36cb89b349f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking which v3.1.1
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.5.6
[INFO] [stderr]  Documenting browser-manager v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.36s
[INFO] running `Command { std: "docker" "inspect" "312e477b3794c7362114df095dd6bc661d9915eeb1f44ba965ab36cb89b349f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "312e477b3794c7362114df095dd6bc661d9915eeb1f44ba965ab36cb89b349f1", kill_on_drop: false }`
[INFO] [stdout] 312e477b3794c7362114df095dd6bc661d9915eeb1f44ba965ab36cb89b349f1