[INFO] fetching crate syncpool 0.1.6...
[INFO] checking syncpool-0.1.6 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate syncpool 0.1.6 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate syncpool 0.1.6 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syncpool 0.1.6
[INFO] finished tweaking crates.io crate syncpool 0.1.6
[INFO] tweaked toml for crates.io crate syncpool 0.1.6 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate syncpool 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0cf64a3e9a41f9dcccc2be25d1dc26ca75b79e1c9dd920700adbec91d4720ad
[INFO] running `Command { std: "docker" "start" "-a" "b0cf64a3e9a41f9dcccc2be25d1dc26ca75b79e1c9dd920700adbec91d4720ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0cf64a3e9a41f9dcccc2be25d1dc26ca75b79e1c9dd920700adbec91d4720ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0cf64a3e9a41f9dcccc2be25d1dc26ca75b79e1c9dd920700adbec91d4720ad", kill_on_drop: false }`
[INFO] [stdout] b0cf64a3e9a41f9dcccc2be25d1dc26ca75b79e1c9dd920700adbec91d4720ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cde9031cd7c798e7323d2923b3b44a4366615e47526bbc20204651497426296
[INFO] running `Command { std: "docker" "start" "-a" "6cde9031cd7c798e7323d2923b3b44a4366615e47526bbc20204651497426296", kill_on_drop: false }`
[INFO] [stderr]     Checking syncpool v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/utils.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         atomic::spin_loop_hint()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/utils.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         atomic::spin_loop_hint()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` 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 [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "6cde9031cd7c798e7323d2923b3b44a4366615e47526bbc20204651497426296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cde9031cd7c798e7323d2923b3b44a4366615e47526bbc20204651497426296", kill_on_drop: false }`
[INFO] [stdout] 6cde9031cd7c798e7323d2923b3b44a4366615e47526bbc20204651497426296