[INFO] fetching crate rust_gpiozero 0.2.1...
[INFO] checking rust_gpiozero-0.2.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate rust_gpiozero 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rust_gpiozero 0.2.1 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 rust_gpiozero 0.2.1
[INFO] finished tweaking crates.io crate rust_gpiozero 0.2.1
[INFO] tweaked toml for crates.io crate rust_gpiozero 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate rust_gpiozero 0.2.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 23e0ab6c92a30f754e47ec3b7281fcd16aacf97de67bf60a0a341905301f01ad
[INFO] running `Command { std: "docker" "start" "-a" "23e0ab6c92a30f754e47ec3b7281fcd16aacf97de67bf60a0a341905301f01ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23e0ab6c92a30f754e47ec3b7281fcd16aacf97de67bf60a0a341905301f01ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23e0ab6c92a30f754e47ec3b7281fcd16aacf97de67bf60a0a341905301f01ad", kill_on_drop: false }`
[INFO] [stdout] 23e0ab6c92a30f754e47ec3b7281fcd16aacf97de67bf60a0a341905301f01ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 0ec381a956130d4466ee1cd0ee120d931e9c7724c8751ea09608bb6c8eec8b88
[INFO] running `Command { std: "docker" "start" "-a" "0ec381a956130d4466ee1cd0ee120d931e9c7724c8751ea09608bb6c8eec8b88", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rppal v0.12.0
[INFO] [stderr]     Checking rust_gpiozero v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `handle`
[INFO] [stdout]    --> src/output_devices.rs:361:5
[INFO] [stdout]     |
[INFO] [stdout] 361 |     handle: Option<JoinHandle<()>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inactive_state`
[INFO] [stdout]    --> src/output_devices.rs:364:5
[INFO] [stdout]     |
[INFO] [stdout] 364 |     inactive_state: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `handle`
[INFO] [stdout]    --> src/output_devices.rs:361:5
[INFO] [stdout]     |
[INFO] [stdout] 361 |     handle: Option<JoinHandle<()>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inactive_state`
[INFO] [stdout]    --> src/output_devices.rs:364:5
[INFO] [stdout]     |
[INFO] [stdout] 364 |     inactive_state: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `Command { std: "docker" "inspect" "0ec381a956130d4466ee1cd0ee120d931e9c7724c8751ea09608bb6c8eec8b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ec381a956130d4466ee1cd0ee120d931e9c7724c8751ea09608bb6c8eec8b88", kill_on_drop: false }`
[INFO] [stdout] 0ec381a956130d4466ee1cd0ee120d931e9c7724c8751ea09608bb6c8eec8b88