[INFO] cloning repository https://github.com/cssivision/http2socks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cssivision/http2socks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcssivision%2Fhttp2socks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcssivision%2Fhttp2socks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9eafd13002e2567adb0dfac155938fe1cae7a001
[INFO] documenting cssivision/http2socks 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%2Fcssivision%2Fhttp2socks" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cssivision/http2socks 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/cssivision/http2socks
[INFO] finished tweaking git repo https://github.com/cssivision/http2socks
[INFO] tweaked toml for git repo https://github.com/cssivision/http2socks written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/cssivision/http2socks 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 magenta-sys v0.1.1
[INFO] [stderr]   Downloaded num v0.1.40
[INFO] [stderr]   Downloaded num-complex v0.1.40
[INFO] [stderr]   Downloaded rand v0.3.16
[INFO] [stderr]   Downloaded num-traits v0.1.40
[INFO] [stderr]   Downloaded num-integer v0.1.35
[INFO] [stderr]   Downloaded num-iter v0.1.34
[INFO] [stderr]   Downloaded custom_derive v0.1.7
[INFO] [stderr]   Downloaded tokio-io v0.1.3
[INFO] [stderr]   Downloaded libc v0.2.29
[INFO] [stderr]   Downloaded mio v0.6.10
[INFO] [stderr]   Downloaded tokio-core v0.1.9
[INFO] [stderr]   Downloaded num-bigint v0.1.40
[INFO] [stderr]   Downloaded bytes v0.4.5
[INFO] [stderr]   Downloaded magenta v0.1.1
[INFO] [stderr]   Downloaded lazycell v0.5.1
[INFO] [stderr]   Downloaded conv v0.3.3
[INFO] [stderr]   Downloaded net2 v0.2.31
[INFO] [stderr]   Downloaded tokio-timer v0.1.2
[INFO] [stderr]   Downloaded num-rational v0.1.39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 7f9ac93d1c91319eefc2f64d9aece4ca797533ace85eb10095f83d66b69723cc
[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" "7f9ac93d1c91319eefc2f64d9aece4ca797533ace85eb10095f83d66b69723cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f9ac93d1c91319eefc2f64d9aece4ca797533ace85eb10095f83d66b69723cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f9ac93d1c91319eefc2f64d9aece4ca797533ace85eb10095f83d66b69723cc", kill_on_drop: false }`
[INFO] [stdout] 7f9ac93d1c91319eefc2f64d9aece4ca797533ace85eb10095f83d66b69723cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] b753727e04a04be628894af045be0d37966777c2f67ec4aea0bdaeb78ebfddaf
[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" "b753727e04a04be628894af045be0d37966777c2f67ec4aea0bdaeb78ebfddaf", kill_on_drop: false }`
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]  Documenting http2socks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.38s
[INFO] running `Command { std: "docker" "inspect" "b753727e04a04be628894af045be0d37966777c2f67ec4aea0bdaeb78ebfddaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b753727e04a04be628894af045be0d37966777c2f67ec4aea0bdaeb78ebfddaf", kill_on_drop: false }`
[INFO] [stdout] b753727e04a04be628894af045be0d37966777c2f67ec4aea0bdaeb78ebfddaf