[INFO] cloning repository https://github.com/Nercury/tokio-proxy-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nercury/tokio-proxy-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNercury%2Ftokio-proxy-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNercury%2Ftokio-proxy-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5c288f6d2bb9cab84a58e1602694d5e83546108
[INFO] documenting Nercury/tokio-proxy-rs 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%2FNercury%2Ftokio-proxy-rs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nercury/tokio-proxy-rs 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/Nercury/tokio-proxy-rs
[INFO] finished tweaking git repo https://github.com/Nercury/tokio-proxy-rs
[INFO] tweaked toml for git repo https://github.com/Nercury/tokio-proxy-rs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Nercury/tokio-proxy-rs 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 log v0.3.7
[INFO] [stderr]   Downloaded lazycell v0.4.0
[INFO] [stderr]   Downloaded vec_map v0.7.0
[INFO] [stderr]   Downloaded net2 v0.2.29
[INFO] [stderr]   Downloaded bytes v0.4.3
[INFO] [stderr]   Downloaded cfg-if v0.1.0
[INFO] [stderr]   Downloaded futures v0.1.13
[INFO] [stderr]   Downloaded clap v2.24.1
[INFO] [stderr]   Downloaded env_logger v0.3.5
[INFO] [stderr]   Downloaded tokio-io v0.1.1
[INFO] [stderr]   Downloaded mio v0.6.7
[INFO] [stderr]   Downloaded iovec v0.1.0
[INFO] [stderr]   Downloaded tokio-core v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 91a9a427a1d96c883167e5efa17245600f23ebe3b81a41f4d286b5583dda5b9d
[INFO] running `Command { std: "docker" "start" "-a" "91a9a427a1d96c883167e5efa17245600f23ebe3b81a41f4d286b5583dda5b9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91a9a427a1d96c883167e5efa17245600f23ebe3b81a41f4d286b5583dda5b9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91a9a427a1d96c883167e5efa17245600f23ebe3b81a41f4d286b5583dda5b9d", kill_on_drop: false }`
[INFO] [stdout] 91a9a427a1d96c883167e5efa17245600f23ebe3b81a41f4d286b5583dda5b9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] b6d61877f9900f6e3788669c81e2cc83839c3c69fcb3c4cd075b78cef5cfe71c
[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" "b6d61877f9900f6e3788669c81e2cc83839c3c69fcb3c4cd075b78cef5cfe71c", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking futures v0.1.13
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking net2 v0.2.29
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking clap v2.24.1
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking bytes v0.4.3
[INFO] [stderr]     Checking mio v0.6.7
[INFO] [stderr]     Checking tokio-io v0.1.1
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking tokio-core v0.1.7
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]  Documenting mio-proxy-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.82s
[INFO] running `Command { std: "docker" "inspect" "b6d61877f9900f6e3788669c81e2cc83839c3c69fcb3c4cd075b78cef5cfe71c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6d61877f9900f6e3788669c81e2cc83839c3c69fcb3c4cd075b78cef5cfe71c", kill_on_drop: false }`
[INFO] [stdout] b6d61877f9900f6e3788669c81e2cc83839c3c69fcb3c4cd075b78cef5cfe71c