[INFO] fetching crate hyper-http-connector 0.1.0...
[INFO] documenting hyper-http-connector-0.1.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate hyper-http-connector 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate hyper-http-connector 0.1.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hyper-http-connector 0.1.0
[INFO] finished tweaking crates.io crate hyper-http-connector 0.1.0
[INFO] tweaked toml for crates.io crate hyper-http-connector 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded c-types v2.0.2
[INFO] [stderr]   Downloaded c-ares v5.0.4
[INFO] [stderr]   Downloaded c-ares-sys v4.2.0
[INFO] [stderr]   Downloaded c-ares-resolver v4.0.3
[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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39ff8f96cd4ff62eaad92de0eba6924b0479da6fc777086ed9e2ab874bca76b2
[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" "39ff8f96cd4ff62eaad92de0eba6924b0479da6fc777086ed9e2ab874bca76b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39ff8f96cd4ff62eaad92de0eba6924b0479da6fc777086ed9e2ab874bca76b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39ff8f96cd4ff62eaad92de0eba6924b0479da6fc777086ed9e2ab874bca76b2", kill_on_drop: false }`
[INFO] [stdout] 39ff8f96cd4ff62eaad92de0eba6924b0479da6fc777086ed9e2ab874bca76b2
[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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fff0d9910ac8a95d7111e578cc4afd93ac28f154020985cd819b821669fc1cc8
[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" "fff0d9910ac8a95d7111e578cc4afd93ac28f154020985cd819b821669fc1cc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking c-types v2.0.2
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling c-ares-sys v4.2.0
[INFO] [stderr]     Checking c-ares v5.0.4
[INFO] [stderr]     Checking c-ares-resolver v4.0.3
[INFO] [stderr]  Documenting hyper-http-connector v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]  --> src/dns/c_ares.rs:4:54
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub static ref GLOBAL_RESOLVER: FutureResolver = { FutureResolver::new().unwrap() };
[INFO] [stdout]   |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.87s
[INFO] running `Command { std: "docker" "inspect" "fff0d9910ac8a95d7111e578cc4afd93ac28f154020985cd819b821669fc1cc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff0d9910ac8a95d7111e578cc4afd93ac28f154020985cd819b821669fc1cc8", kill_on_drop: false }`
[INFO] [stdout] fff0d9910ac8a95d7111e578cc4afd93ac28f154020985cd819b821669fc1cc8
