[INFO] cloning repository https://github.com/tvallois/websockets-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tvallois/websockets-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftvallois%2Fwebsockets-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftvallois%2Fwebsockets-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51f0296989092561875f938b427a5906c7b2f5dc
[INFO] documenting tvallois/websockets-rust against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftvallois%2Fwebsockets-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tvallois/websockets-rust on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tvallois/websockets-rust
[INFO] finished tweaking git repo https://github.com/tvallois/websockets-rust
[INFO] tweaked toml for git repo https://github.com/tvallois/websockets-rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/tvallois/websockets-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d32f1c1642e49794e2525c279b48944e20f31ce0b193eaa7a66b80b8e3e6cca9
[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" "d32f1c1642e49794e2525c279b48944e20f31ce0b193eaa7a66b80b8e3e6cca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d32f1c1642e49794e2525c279b48944e20f31ce0b193eaa7a66b80b8e3e6cca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d32f1c1642e49794e2525c279b48944e20f31ce0b193eaa7a66b80b8e3e6cca9", kill_on_drop: false }`
[INFO] [stdout] d32f1c1642e49794e2525c279b48944e20f31ce0b193eaa7a66b80b8e3e6cca9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3f91bbe27f2e9b2361c87657e9fe72d3424c87df16ba5d6d921758b231c27b5
[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" "a3f91bbe27f2e9b2361c87657e9fe72d3424c87df16ba5d6d921758b231c27b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]     Checking ascii v0.9.1
[INFO] [stderr]    Compiling redis v0.10.0
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]     Checking tokio-sync v0.1.5
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking mio v0.6.17
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking ws v0.8.1
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]  Documenting websockets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.56s
[INFO] running `Command { std: "docker" "inspect" "a3f91bbe27f2e9b2361c87657e9fe72d3424c87df16ba5d6d921758b231c27b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3f91bbe27f2e9b2361c87657e9fe72d3424c87df16ba5d6d921758b231c27b5", kill_on_drop: false }`
[INFO] [stdout] a3f91bbe27f2e9b2361c87657e9fe72d3424c87df16ba5d6d921758b231c27b5