[INFO] fetching crate wasm-rs-shared-channel 0.1.0...
[INFO] checking wasm-rs-shared-channel-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate wasm-rs-shared-channel 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate wasm-rs-shared-channel 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasm-rs-shared-channel 0.1.0
[INFO] finished tweaking crates.io crate wasm-rs-shared-channel 0.1.0
[INFO] tweaked toml for crates.io crate wasm-rs-shared-channel 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 27 packages
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-rs-dbg v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 705d043e2675fe37318b8195f67cde68fa889bd82c24a9985b70a7915da82579
[INFO] running `Command { std: "docker" "start" "-a" "705d043e2675fe37318b8195f67cde68fa889bd82c24a9985b70a7915da82579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "705d043e2675fe37318b8195f67cde68fa889bd82c24a9985b70a7915da82579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "705d043e2675fe37318b8195f67cde68fa889bd82c24a9985b70a7915da82579", kill_on_drop: false }`
[INFO] [stdout] 705d043e2675fe37318b8195f67cde68fa889bd82c24a9985b70a7915da82579
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90044aadc98b94064f10f7ff63aa89ba7fa7292d1eddc4cac4dd8f9890e9cfd1
[INFO] running `Command { std: "docker" "start" "-a" "90044aadc98b94064f10f7ff63aa89ba7fa7292d1eddc4cac4dd8f9890e9cfd1", kill_on_drop: false }`
[INFO] [stderr]     Checking wasm-rs-dbg v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.42
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.42
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.42
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking wasm-rs-shared-channel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Uint8Array` is imported redundantly
[INFO] [stdout]   --> src/spsc.rs:13:61
[INFO] [stdout]    |
[INFO] [stdout] 12 | use super::*;
[INFO] [stdout]    |     -------- the item `Uint8Array` is already imported here
[INFO] [stdout] 13 | use js_sys::{Array, Atomics, Int32Array, SharedArrayBuffer, Uint8Array};
[INFO] [stdout]    |                                                             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Uint8Array` is imported redundantly
[INFO] [stdout]   --> src/spsc.rs:13:61
[INFO] [stdout]    |
[INFO] [stdout] 12 | use super::*;
[INFO] [stdout]    |     -------- the item `Uint8Array` is already imported here
[INFO] [stdout] 13 | use js_sys::{Array, Atomics, Int32Array, SharedArrayBuffer, Uint8Array};
[INFO] [stdout]    |                                                             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "90044aadc98b94064f10f7ff63aa89ba7fa7292d1eddc4cac4dd8f9890e9cfd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90044aadc98b94064f10f7ff63aa89ba7fa7292d1eddc4cac4dd8f9890e9cfd1", kill_on_drop: false }`
[INFO] [stdout] 90044aadc98b94064f10f7ff63aa89ba7fa7292d1eddc4cac4dd8f9890e9cfd1