[INFO] fetching crate af-opencl-interop 3.7.1...
[INFO] checking af-opencl-interop-3.7.1 against 1.55.0 for beta-1.56-3
[INFO] extracting crate af-opencl-interop 3.7.1 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate af-opencl-interop 3.7.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate af-opencl-interop 3.7.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate af-opencl-interop 3.7.1
[INFO] tweaked toml for crates.io crate af-opencl-interop 3.7.1 written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate crates.io crate af-opencl-interop 3.7.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded cl-sys v0.4.2
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[INFO] [stdout] fa7da12e6c74ea16065daaebcd98171ad3942516c80494041a1c480f5178d37a
[INFO] running `Command { std: "docker" "start" "-a" "fa7da12e6c74ea16065daaebcd98171ad3942516c80494041a1c480f5178d37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa7da12e6c74ea16065daaebcd98171ad3942516c80494041a1c480f5178d37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa7da12e6c74ea16065daaebcd98171ad3942516c80494041a1c480f5178d37a", kill_on_drop: false }`
[INFO] [stdout] fa7da12e6c74ea16065daaebcd98171ad3942516c80494041a1c480f5178d37a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f81c68fbb04b0a780195454b88d3c32adb37cc7c6c58a968ea3fd9a34b59f922
[INFO] running `Command { std: "docker" "start" "-a" "f81c68fbb04b0a780195454b88d3c32adb37cc7c6c58a968ea3fd9a34b59f922", kill_on_drop: false }`
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[INFO] [stderr]     Checking af-opencl-interop v3.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `devid`
[INFO] [stdout]   --> examples/custom_kernel.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let devid = unsafe { ocl_core::DeviceId::from_raw(af_did) };
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_devid`
[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 22.17s
[INFO] running `Command { std: "docker" "inspect" "f81c68fbb04b0a780195454b88d3c32adb37cc7c6c58a968ea3fd9a34b59f922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f81c68fbb04b0a780195454b88d3c32adb37cc7c6c58a968ea3fd9a34b59f922", kill_on_drop: false }`
[INFO] [stdout] f81c68fbb04b0a780195454b88d3c32adb37cc7c6c58a968ea3fd9a34b59f922
