[INFO] fetching crate binance-async 0.2.0...
[INFO] documenting binance-async-0.2.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate binance-async 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate binance-async 0.2.0 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 crates.io crate binance-async 0.2.0
[INFO] finished tweaking crates.io crate binance-async 0.2.0
[INFO] tweaked toml for crates.io crate binance-async 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 tokio-tungstenite v0.6.0
[INFO] [stderr]   Downloaded tokio-dns-unofficial v0.3.1
[INFO] [stderr]   Downloaded sugar v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 1f82a60ab371151b0f5e143d0d5662b8a693a057a555360cca158d51bd79f1d9
[INFO] running `Command { std: "docker" "start" "-a" "1f82a60ab371151b0f5e143d0d5662b8a693a057a555360cca158d51bd79f1d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f82a60ab371151b0f5e143d0d5662b8a693a057a555360cca158d51bd79f1d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f82a60ab371151b0f5e143d0d5662b8a693a057a555360cca158d51bd79f1d9", kill_on_drop: false }`
[INFO] [stdout] 1f82a60ab371151b0f5e143d0d5662b8a693a057a555360cca158d51bd79f1d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 53ecaabe7a7eeb6221bf64cbca775ad8af6bfc4cb9820568712cf81591a58531
[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" "53ecaabe7a7eeb6221bf64cbca775ad8af6bfc4cb9820568712cf81591a58531", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking cute v0.3.0
[INFO] [stderr]     Checking min_max_macros v0.1.1
[INFO] [stderr]     Checking vec_box v1.0.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking result v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking sugar v0.2.0
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-dns-unofficial v0.3.1
[INFO] [stderr]     Checking tungstenite v0.6.1
[INFO] [stderr]     Checking tokio-tls v0.2.1
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-tungstenite v0.6.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]  Documenting binance-async v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.89s
[INFO] running `Command { std: "docker" "inspect" "53ecaabe7a7eeb6221bf64cbca775ad8af6bfc4cb9820568712cf81591a58531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ecaabe7a7eeb6221bf64cbca775ad8af6bfc4cb9820568712cf81591a58531", kill_on_drop: false }`
[INFO] [stdout] 53ecaabe7a7eeb6221bf64cbca775ad8af6bfc4cb9820568712cf81591a58531