[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] testing ceejbot/slack-rtm-async against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fceejbot%2Fslack-rtm-async" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ceejbot/slack-rtm-async on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ceejbot/slack-rtm-async already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/ceejbot/slack-rs-api`
[INFO] [stderr]     Updating git submodule `https://github.com/slack-rs/slack-api-schemas.git`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25a154d5752877d9880164e7876c23e6f005127538e897c35a3bf111f053268b
[INFO] running `Command { std: "docker" "start" "-a" "25a154d5752877d9880164e7876c23e6f005127538e897c35a3bf111f053268b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25a154d5752877d9880164e7876c23e6f005127538e897c35a3bf111f053268b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25a154d5752877d9880164e7876c23e6f005127538e897c35a3bf111f053268b", kill_on_drop: false }`
[INFO] [stdout] 25a154d5752877d9880164e7876c23e6f005127538e897c35a3bf111f053268b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 330859a0d136d0c3400589f5f5d23174f89353f480649dfea1129bba2db5dfd1
[INFO] running `Command { std: "docker" "start" "-a" "330859a0d136d0c3400589f5f5d23174f89353f480649dfea1129bba2db5dfd1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling tracing v0.1.34
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling tungstenite v0.17.2
[INFO] [stderr]    Compiling tokio-util v0.7.1
[INFO] [stderr]    Compiling tokio-rustls v0.23.3
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling async-compression v0.3.12
[INFO] [stderr]    Compiling tokio-tungstenite v0.17.1
[INFO] [stderr]    Compiling h2 v0.3.13
[INFO] [stderr]    Compiling hyper v0.14.18
[INFO] [stderr]    Compiling hyper-rustls v0.23.0
[INFO] [stderr]    Compiling reqwest v0.11.10
[INFO] [stderr]    Compiling slack_api v0.23.1 (https://github.com/ceejbot/slack-rs-api#a1d54f51)
[INFO] [stderr]    Compiling slack-rtm-async v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Stream` in `stream`
[INFO] [stdout]    --> src/lib.rs:202:38
[INFO] [stdout]     |
[INFO] [stdout] 202 |                 tungstenite::stream::Stream::Plain(ref s) => s,
[INFO] [stdout]     |                                      ^^^^^^ could not find `Stream` in `stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Stream` in `stream`
[INFO] [stdout]    --> src/lib.rs:203:38
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 tungstenite::stream::Stream::Tls(ref mut t) => t.get_mut(),
[INFO] [stdout]     |                                      ^^^^^^ could not find `Stream` in `stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]    --> src/lib.rs:259:59
[INFO] [stdout]     |
[INFO] [stdout] 259 | ...                   handler.on_event(self, event).await;
[INFO] [stdout]     |                                                     ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0728.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slack-rtm-async` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "330859a0d136d0c3400589f5f5d23174f89353f480649dfea1129bba2db5dfd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "330859a0d136d0c3400589f5f5d23174f89353f480649dfea1129bba2db5dfd1", kill_on_drop: false }`
[INFO] [stdout] 330859a0d136d0c3400589f5f5d23174f89353f480649dfea1129bba2db5dfd1