[INFO] fetching crate ws_stream_tungstenite 0.2.0...
[INFO] documenting ws_stream_tungstenite-0.2.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate ws_stream_tungstenite 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ws_stream_tungstenite 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 ws_stream_tungstenite 0.2.0
[INFO] finished tweaking crates.io crate ws_stream_tungstenite 0.2.0
[INFO] tweaked toml for crates.io crate ws_stream_tungstenite 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate ws_stream_tungstenite 0.2.0 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 future-parking_lot v0.3.3
[INFO] [stderr]   Downloaded async_progress v0.1.1
[INFO] [stderr]   Downloaded futures_ringbuf v0.2.1
[INFO] [stderr]   Downloaded flexi_logger v0.15.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] fb45007ef5349662738022646c8d0307dc9a420cde3232c1bb5b501ba5c1d76b
[INFO] running `Command { std: "docker" "start" "-a" "fb45007ef5349662738022646c8d0307dc9a420cde3232c1bb5b501ba5c1d76b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb45007ef5349662738022646c8d0307dc9a420cde3232c1bb5b501ba5c1d76b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb45007ef5349662738022646c8d0307dc9a420cde3232c1bb5b501ba5c1d76b", kill_on_drop: false }`
[INFO] [stdout] fb45007ef5349662738022646c8d0307dc9a420cde3232c1bb5b501ba5c1d76b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 34dfe8713b003822cd37efa3c33c375cf2ea1c05cbe7ca85704e0fa5775d1ad1
[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" "34dfe8713b003822cd37efa3c33c375cf2ea1c05cbe7ca85704e0fa5775d1ad1", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking kv-log-macro v1.0.6
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling ws_stream_tungstenite v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.20
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking thiserror v1.0.19
[INFO] [stderr]     Checking pin-project v0.4.20
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking piper v0.1.3
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking pharos v0.4.2
[INFO] [stderr]     Checking smol v0.1.11
[INFO] [stderr]     Checking async_io_stream v0.1.0
[INFO] [stderr]     Checking async-std v1.6.0
[INFO] [stderr]     Checking async-tungstenite v0.5.0
[INFO] [stderr]  Documenting ws_stream_tungstenite v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.70s
[INFO] running `Command { std: "docker" "inspect" "34dfe8713b003822cd37efa3c33c375cf2ea1c05cbe7ca85704e0fa5775d1ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34dfe8713b003822cd37efa3c33c375cf2ea1c05cbe7ca85704e0fa5775d1ad1", kill_on_drop: false }`
[INFO] [stdout] 34dfe8713b003822cd37efa3c33c375cf2ea1c05cbe7ca85704e0fa5775d1ad1