[INFO] cloning repository https://github.com/alextanhongpin/hyper-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alextanhongpin/hyper-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falextanhongpin%2Fhyper-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falextanhongpin%2Fhyper-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0df453137b39974f1a08c9a53382c88d4828921d
[INFO] documenting alextanhongpin/hyper-rust 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%2Falextanhongpin%2Fhyper-rust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alextanhongpin/hyper-rust 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/alextanhongpin/hyper-rust
[INFO] finished tweaking git repo https://github.com/alextanhongpin/hyper-rust
[INFO] tweaked toml for git repo https://github.com/alextanhongpin/hyper-rust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/alextanhongpin/hyper-rust 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v0.5.6
[INFO] [stderr]   Downloaded regex v1.3.4
[INFO] [stderr]   Downloaded h2 v0.2.2
[INFO] [stderr]   Downloaded hyper v0.13.3
[INFO] [stderr]   Downloaded rand_distr v0.2.2
[INFO] [stderr]   Downloaded aho-corasick v0.7.9
[INFO] [stderr]   Downloaded regex-syntax v0.6.16
[INFO] [stderr]   Downloaded arc-swap v0.4.4
[INFO] [stderr]   Downloaded tokio v0.2.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] e1f5743ef90f9a8a08e840263ead6b65c482520002fc4d62117d88c4ce3328d4
[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" "e1f5743ef90f9a8a08e840263ead6b65c482520002fc4d62117d88c4ce3328d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1f5743ef90f9a8a08e840263ead6b65c482520002fc4d62117d88c4ce3328d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1f5743ef90f9a8a08e840263ead6b65c482520002fc4d62117d88c4ce3328d4", kill_on_drop: false }`
[INFO] [stdout] e1f5743ef90f9a8a08e840263ead6b65c482520002fc4d62117d88c4ce3328d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 1fa9ccce4a498df82aa816e1ca2625f159cd5cd4930e7043ead9e68ac8b9ed03
[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" "1fa9ccce4a498df82aa816e1ca2625f159cd5cd4930e7043ead9e68ac8b9ed03", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking h2 v0.2.2
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking hyper v0.13.3
[INFO] [stderr]  Documenting hyper-web v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "1fa9ccce4a498df82aa816e1ca2625f159cd5cd4930e7043ead9e68ac8b9ed03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fa9ccce4a498df82aa816e1ca2625f159cd5cd4930e7043ead9e68ac8b9ed03", kill_on_drop: false }`
[INFO] [stdout] 1fa9ccce4a498df82aa816e1ca2625f159cd5cd4930e7043ead9e68ac8b9ed03