[INFO] fetching crate slack_cmd_core 0.0.6...
[INFO] checking slack_cmd_core-0.0.6 against try#50f413885985a8b0a0b6ca0766a0aedd45304953 for pr-155657
[INFO] extracting crate slack_cmd_core 0.0.6 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate slack_cmd_core 0.0.6
[INFO] finished tweaking crates.io crate slack_cmd_core 0.0.6
[INFO] tweaked toml for crates.io crate slack_cmd_core 0.0.6 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slack_cmd_core 0.0.6 on toolchain 50f413885985a8b0a0b6ca0766a0aedd45304953
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 272 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding matchit v0.8.4 (available: v0.8.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd7b9875ba51083818302b7060e1a847bee406d73cf72cb1d592a1b9310d7999
[INFO] running `Command { std: "docker" "start" "-a" "cd7b9875ba51083818302b7060e1a847bee406d73cf72cb1d592a1b9310d7999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd7b9875ba51083818302b7060e1a847bee406d73cf72cb1d592a1b9310d7999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd7b9875ba51083818302b7060e1a847bee406d73cf72cb1d592a1b9310d7999", kill_on_drop: false }`
[INFO] [stdout] cd7b9875ba51083818302b7060e1a847bee406d73cf72cb1d592a1b9310d7999
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0ca0107ae23d84280538b2547370f9eb3d7b0d1bc33e3c1e54fbd0a65f9ab50
[INFO] running `Command { std: "docker" "start" "-a" "a0ca0107ae23d84280538b2547370f9eb3d7b0d1bc33e3c1e54fbd0a65f9ab50", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-channel v0.3.32
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[INFO] [stderr]    Compiling thiserror-impl v2.0.18
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[INFO] [stderr]     Checking futures v0.3.32
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[INFO] [stderr]     Checking tokio-tungstenite v0.29.0
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[INFO] [stderr]     Checking idna v1.1.0
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[INFO] [stderr]     Checking hyper v1.9.0
[INFO] [stderr]     Checking hyper-util v0.1.20
[INFO] [stderr]     Checking axum v0.8.9
[INFO] [stderr]     Checking hyper-rustls v0.27.9
[INFO] [stderr]     Checking slack-morphism v2.20.0
[INFO] [stdout] error[E0277]: the trait bound `(): StdError` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slack-morphism-2.20.0/src/axum_support/slack_events_middleware.rs:122:37
[INFO] [stdout]     |
[INFO] [stdout] 122 | ...                   Box::new(err),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^ the trait `StdError` is not implemented for `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for the cast from `Box<()>` to `Box<(dyn StdError + std::marker::Send + Sync + 'static)>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slack-morphism` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a0ca0107ae23d84280538b2547370f9eb3d7b0d1bc33e3c1e54fbd0a65f9ab50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0ca0107ae23d84280538b2547370f9eb3d7b0d1bc33e3c1e54fbd0a65f9ab50", kill_on_drop: false }`
[INFO] [stdout] a0ca0107ae23d84280538b2547370f9eb3d7b0d1bc33e3c1e54fbd0a65f9ab50
