[INFO] cloning repository https://github.com/RobertDHanna/game-of-life
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RobertDHanna/game-of-life" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobertDHanna%2Fgame-of-life", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobertDHanna%2Fgame-of-life'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cfed3e8d705d49d8f4aede705ef92b92899d9ed8
[INFO] documenting RobertDHanna/game-of-life 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%2FRobertDHanna%2Fgame-of-life" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RobertDHanna/game-of-life 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] started tweaking git repo https://github.com/RobertDHanna/game-of-life
[INFO] finished tweaking git repo https://github.com/RobertDHanna/game-of-life
[INFO] tweaked toml for git repo https://github.com/RobertDHanna/game-of-life written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/RobertDHanna/game-of-life 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-executor v0.1.8
[INFO] [stderr]   Downloaded tokio-sync v0.1.6
[INFO] [stderr]   Downloaded smallvec v0.6.10
[INFO] [stderr]   Downloaded tokio-reactor v0.1.9
[INFO] [stderr]   Downloaded proc-macro2 v1.0.4
[INFO] [stderr]   Downloaded miniz_oxide v0.3.2
[INFO] [stderr]   Downloaded syn v1.0.5
[INFO] [stderr]   Downloaded publicsuffix v1.5.3
[INFO] [stderr]   Downloaded security-framework-sys v0.3.1
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.5
[INFO] [stderr]   Downloaded encoding_rs v0.8.20
[INFO] [stderr]   Downloaded backtrace v0.3.37
[INFO] [stderr]   Downloaded indexmap v1.2.0
[INFO] [stderr]   Downloaded flate2 v1.0.11
[INFO] [stderr]   Downloaded openssl v0.10.24
[INFO] [stderr]   Downloaded security-framework v0.3.1
[INFO] [stderr]   Downloaded cc v1.0.45
[INFO] [stderr]   Downloaded backtrace-sys v0.1.31
[INFO] [stderr]   Downloaded native-tls v0.2.3
[INFO] [stderr]   Downloaded reqwest v0.9.20
[INFO] [stderr]   Downloaded hyper-tls v0.3.2
[INFO] [stderr]   Downloaded schannel v0.1.16
[INFO] [stderr]   Downloaded c2-chacha v0.2.2
[INFO] [stderr]   Downloaded getrandom v0.1.12
[INFO] [stderr]   Downloaded http v0.1.18
[INFO] [stderr]   Downloaded unicase v2.5.1
[INFO] [stderr]   Downloaded vcpkg v0.2.7
[INFO] [stderr]   Downloaded openssl-sys v0.9.49
[INFO] [stderr]   Downloaded serde v1.0.101
[INFO] [stderr]   Downloaded mio v0.6.19
[INFO] [stderr]   Downloaded serde_derive v1.0.101
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.15
[INFO] [stderr]   Downloaded autocfg v0.1.6
[INFO] [stderr]   Downloaded tokio-timer v0.2.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c73d061a017e94e2c37baa79a437bbb3ab821d074e4e8842acd93d303dc7bcc6
[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" "c73d061a017e94e2c37baa79a437bbb3ab821d074e4e8842acd93d303dc7bcc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c73d061a017e94e2c37baa79a437bbb3ab821d074e4e8842acd93d303dc7bcc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c73d061a017e94e2c37baa79a437bbb3ab821d074e4e8842acd93d303dc7bcc6", kill_on_drop: false }`
[INFO] [stdout] c73d061a017e94e2c37baa79a437bbb3ab821d074e4e8842acd93d303dc7bcc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 75651a4c8930c8a53e365b8145ccf09e562fb686d54a9013790be556b4c6337d
[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" "75651a4c8930c8a53e365b8145ccf09e562fb686d54a9013790be556b4c6337d", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_rs v0.8.20
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking flate2 v1.0.11
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking openssl v0.10.24
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking publicsuffix v1.5.3
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.20
[INFO] [stderr]  Documenting rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.01s
[INFO] running `Command { std: "docker" "inspect" "75651a4c8930c8a53e365b8145ccf09e562fb686d54a9013790be556b4c6337d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75651a4c8930c8a53e365b8145ccf09e562fb686d54a9013790be556b4c6337d", kill_on_drop: false }`
[INFO] [stdout] 75651a4c8930c8a53e365b8145ccf09e562fb686d54a9013790be556b4c6337d