[INFO] fetching crate remote-canvas 1.0.4...
[INFO] documenting remote-canvas-1.0.4 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate remote-canvas 1.0.4 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate remote-canvas 1.0.4 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate remote-canvas 1.0.4
[INFO] finished tweaking crates.io crate remote-canvas 1.0.4
[INFO] tweaked toml for crates.io crate remote-canvas 1.0.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded actix-router v0.2.7
[INFO] [stderr]   Downloaded actix-web-codegen v0.2.2
[INFO] [stderr]   Downloaded tokio-tungstenite v0.10.1
[INFO] [stderr]   Downloaded actix-web v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3557f09c9e4db68932c1cd45711742973f4af042a26aeda3d868006acaee9cf
[INFO] running `Command { std: "docker" "start" "-a" "b3557f09c9e4db68932c1cd45711742973f4af042a26aeda3d868006acaee9cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3557f09c9e4db68932c1cd45711742973f4af042a26aeda3d868006acaee9cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3557f09c9e4db68932c1cd45711742973f4af042a26aeda3d868006acaee9cf", kill_on_drop: false }`
[INFO] [stdout] b3557f09c9e4db68932c1cd45711742973f4af042a26aeda3d868006acaee9cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5ae13fef58cba615841d0509b2f451935ff342c327332315478bc4257ed4ebb
[INFO] running `Command { std: "docker" "start" "-a" "a5ae13fef58cba615841d0509b2f451935ff342c327332315478bc4257ed4ebb", kill_on_drop: false }`
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[INFO] [stderr]  Documenting remote-canvas v1.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `Sender` in module `sync`
[INFO] [stdout]   --> src/canvas.rs:10:30
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub(crate) sender: sync::Sender<mpsc::Receiver<WSMessage>>,
[INFO] [stdout]    |                              ^^^^^^ not found in `sync`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use async_std::channel::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use crate::mpsc::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::sync::mpsc::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use tokio::sync::broadcast::Sender;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] help: if you import `Sender`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 10 -     pub(crate) sender: sync::Sender<mpsc::Receiver<WSMessage>>,
[INFO] [stdout] 10 +     pub(crate) sender: Sender<mpsc::Receiver<WSMessage>>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Sender` in module `sync`
[INFO] [stdout]    --> src/websocket.rs:302:32
[INFO] [stdout]     |
[INFO] [stdout] 302 |     pub response: Option<sync::Sender<WsMessageResponse>>,
[INFO] [stdout]     |                                ^^^^^^ not found in `sync`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   | use async_std::channel::Sender;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use crate::mpsc::Sender;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::sync::mpsc::Sender;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::sync::broadcast::Sender;
[INFO] [stdout]     |
[INFO] [stdout]       and 3 other candidates
[INFO] [stdout] help: if you import `Sender`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 302 -     pub response: Option<sync::Sender<WsMessageResponse>>,
[INFO] [stdout] 302 +     pub response: Option<Sender<WsMessageResponse>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Receiver` in module `sync`
[INFO] [stdout]    --> src/websocket.rs:321:25
[INFO] [stdout]     |
[INFO] [stdout] 321 |     mut receiver: sync::Receiver<mpsc::Receiver<WSMessage>>,
[INFO] [stdout]     |                         ^^^^^^^^ not found in `sync`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   | use async_std::channel::Receiver;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use core::ops::Receiver;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use crate::mpsc::Receiver;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::ops::Receiver;
[INFO] [stdout]     |
[INFO] [stdout]       and 5 other candidates
[INFO] [stdout] help: if you import `Receiver`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 321 -     mut receiver: sync::Receiver<mpsc::Receiver<WSMessage>>,
[INFO] [stdout] 321 +     mut receiver: Receiver<mpsc::Receiver<WSMessage>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Receiver` in module `sync`
[INFO] [stdout]    --> src/websocket.rs:375:21
[INFO] [stdout]     |
[INFO] [stdout] 375 |     receiver: sync::Receiver<mpsc::Receiver<WSMessage>>,
[INFO] [stdout]     |                     ^^^^^^^^ not found in `sync`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   | use async_std::channel::Receiver;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use core::ops::Receiver;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use crate::mpsc::Receiver;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::ops::Receiver;
[INFO] [stdout]     |
[INFO] [stdout]       and 5 other candidates
[INFO] [stdout] help: if you import `Receiver`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 375 -     receiver: sync::Receiver<mpsc::Receiver<WSMessage>>,
[INFO] [stdout] 375 +     receiver: Receiver<mpsc::Receiver<WSMessage>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Receiver` in module `sync`
[INFO] [stdout]    --> src/websocket.rs:389:21
[INFO] [stdout]     |
[INFO] [stdout] 389 |     receiver: sync::Receiver<mpsc::Receiver<WSMessage>>,
[INFO] [stdout]     |                     ^^^^^^^^ not found in `sync`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   | use async_std::channel::Receiver;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use core::ops::Receiver;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use crate::mpsc::Receiver;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::ops::Receiver;
[INFO] [stdout]     |
[INFO] [stdout]       and 5 other candidates
[INFO] [stdout] help: if you import `Receiver`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 389 -     receiver: sync::Receiver<mpsc::Receiver<WSMessage>>,
[INFO] [stdout] 389 +     receiver: Receiver<mpsc::Receiver<WSMessage>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `remote-canvas`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name remote_canvas src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1f9607fa259030e9 -L dependency=/opt/rustwide/target/debug/deps --extern actix_rt=/opt/rustwide/target/debug/deps/libactix_rt-4eadb446a92f0490.rmeta --extern actix_web=/opt/rustwide/target/debug/deps/libactix_web-37e6a8ab0d278f47.rmeta --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-77da5d6ffdad1c98.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-c1284c467d1e5801.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-8cd7927a7e165d1b.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-2947b9afd84f76d9.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-39cef635ddf0999b.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-2194e73b1aa5e2f0.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-62ef9bd7db2a3160.rmeta --extern tokio_tungstenite=/opt/rustwide/target/debug/deps/libtokio_tungstenite-68c73e3fba774af3.rmeta --extern tungstenite=/opt/rustwide/target/debug/deps/libtungstenite-fc10edcf6e2866bb.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-26611e7b7945dade.rmeta --cap-lints=warn --crate-version 1.0.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a5ae13fef58cba615841d0509b2f451935ff342c327332315478bc4257ed4ebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5ae13fef58cba615841d0509b2f451935ff342c327332315478bc4257ed4ebb", kill_on_drop: false }`
[INFO] [stdout] a5ae13fef58cba615841d0509b2f451935ff342c327332315478bc4257ed4ebb
