[INFO] cloning repository https://github.com/ceejbot/slack-rtm-async
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ceejbot/slack-rtm-async" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fceejbot%2Fslack-rtm-async", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fceejbot%2Fslack-rtm-async'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c33a0367f8b6f51525c959cc1c6c1ca10ab32d03
[INFO] documenting ceejbot/slack-rtm-async against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fceejbot%2Fslack-rtm-async" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ceejbot/slack-rtm-async on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ceejbot/slack-rtm-async
[INFO] finished tweaking git repo https://github.com/ceejbot/slack-rtm-async
[INFO] tweaked toml for git repo https://github.com/ceejbot/slack-rtm-async written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/ceejbot/slack-rtm-async already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8158356e81c2ee2cb85547b2da86e15161d2ba8787d534df76fd08d3b897d3db
[INFO] running `Command { std: "docker" "start" "-a" "8158356e81c2ee2cb85547b2da86e15161d2ba8787d534df76fd08d3b897d3db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8158356e81c2ee2cb85547b2da86e15161d2ba8787d534df76fd08d3b897d3db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8158356e81c2ee2cb85547b2da86e15161d2ba8787d534df76fd08d3b897d3db", kill_on_drop: false }`
[INFO] [stdout] 8158356e81c2ee2cb85547b2da86e15161d2ba8787d534df76fd08d3b897d3db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea9f5d74870618b24f0394b928b1ec3f7267367eecd638eae5f17d4ab2f9c466
[INFO] running `Command { std: "docker" "start" "-a" "ea9f5d74870618b24f0394b928b1ec3f7267367eecd638eae5f17d4ab2f9c466", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling httparse v1.7.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling rustls v0.20.4
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling encoding_rs v0.8.31
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[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling async-trait v0.1.53
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[INFO] [stderr]    Compiling tokio-macros v1.7.0
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[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking thiserror v1.0.30
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[INFO] [stderr]     Checking tokio-util v0.7.1
[INFO] [stderr]     Checking tokio-rustls v0.23.3
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[INFO] [stderr]     Checking slack_api v0.23.1 (https://github.com/ceejbot/slack-rs-api#a1d54f51)
[INFO] [stderr]  Documenting slack-rtm-async v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]    --> src/lib.rs:259:58
[INFO] [stdout]     |
[INFO] [stdout] 190 | /     pub fn run<T: EventHandler>(&self, handler: &mut T) -> Result<(), Error> {
[INFO] [stdout] 191 | |         let start_url = self
[INFO] [stdout] 192 | |             .start_response
[INFO] [stdout] 193 | |             .url
[INFO] [stdout] ...   |
[INFO] [stdout] 259 | |                             handler.on_event(self, event).await;
[INFO] [stdout]     | |                                                          ^^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] ...   |
[INFO] [stdout] 275 | |         }
[INFO] [stdout] 276 | |     }
[INFO] [stdout]     | |_____- this is not `async`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0728`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `slack-rtm-async`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name slack_rtm_async src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="with_rustls"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6f0ab7133bdacc59 -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-5591e532d2b45a89.so --extern log=/opt/rustwide/target/debug/deps/liblog-0a324ed5cbda8759.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-32af45dc54de6918.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-be09902f860bbf5a.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-b3a7db852b786105.rmeta --extern slack_api=/opt/rustwide/target/debug/deps/libslack_api-c110204a1c5fc7a5.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-f01216ae24e8c126.rmeta --extern tokio_tungstenite=/opt/rustwide/target/debug/deps/libtokio_tungstenite-4f507c1cd8adf453.rmeta --extern tungstenite=/opt/rustwide/target/debug/deps/libtungstenite-c5f778b3e6f4acb6.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-2cb8d24f6bca81a7.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ea9f5d74870618b24f0394b928b1ec3f7267367eecd638eae5f17d4ab2f9c466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea9f5d74870618b24f0394b928b1ec3f7267367eecd638eae5f17d4ab2f9c466", kill_on_drop: false }`
[INFO] [stdout] ea9f5d74870618b24f0394b928b1ec3f7267367eecd638eae5f17d4ab2f9c466