[INFO] fetching crate multi_stack_queue 0.3.0...
[INFO] checking multi_stack_queue-0.3.0 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate multi_stack_queue 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate multi_stack_queue 0.3.0 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate multi_stack_queue 0.3.0
[INFO] finished tweaking crates.io crate multi_stack_queue 0.3.0
[INFO] tweaked toml for crates.io crate multi_stack_queue 0.3.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14466afad0df6c95e59e4cf3b9941d68818d28b52e91cf74542e2c579ac15559
[INFO] running `Command { std: "docker" "start" "-a" "14466afad0df6c95e59e4cf3b9941d68818d28b52e91cf74542e2c579ac15559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14466afad0df6c95e59e4cf3b9941d68818d28b52e91cf74542e2c579ac15559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14466afad0df6c95e59e4cf3b9941d68818d28b52e91cf74542e2c579ac15559", kill_on_drop: false }`
[INFO] [stdout] 14466afad0df6c95e59e4cf3b9941d68818d28b52e91cf74542e2c579ac15559
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5004ba940e95477b85c63d57111ba24d42fcca05b26f4cf27af4e6ac4867fde9
[INFO] running `Command { std: "docker" "start" "-a" "5004ba940e95477b85c63d57111ba24d42fcca05b26f4cf27af4e6ac4867fde9", kill_on_drop: false }`
[INFO] [stderr]     Checking multi_stack_queue v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/lib.rs:242:13
[INFO] [stdout]     |
[INFO] [stdout] 242 |         let a: MultiStackQueue<TestStruct, 16, 32> = MultiStackQueue::new();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "5004ba940e95477b85c63d57111ba24d42fcca05b26f4cf27af4e6ac4867fde9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5004ba940e95477b85c63d57111ba24d42fcca05b26f4cf27af4e6ac4867fde9", kill_on_drop: false }`
[INFO] [stdout] 5004ba940e95477b85c63d57111ba24d42fcca05b26f4cf27af4e6ac4867fde9