[INFO] fetching crate rust_gpiozero 0.2.1...
[INFO] checking rust_gpiozero-0.2.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate rust_gpiozero 0.2.1 into /workspace/builds/worker-6-tc2/source
[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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_gpiozero 0.2.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust_gpiozero 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28d06a84cea4152e0b61517ba5638c62981f89ac8cd6181856e2a4610d8e2e0b
[INFO] running `Command { std: "docker" "start" "-a" "28d06a84cea4152e0b61517ba5638c62981f89ac8cd6181856e2a4610d8e2e0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28d06a84cea4152e0b61517ba5638c62981f89ac8cd6181856e2a4610d8e2e0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d06a84cea4152e0b61517ba5638c62981f89ac8cd6181856e2a4610d8e2e0b", kill_on_drop: false }`
[INFO] [stdout] 28d06a84cea4152e0b61517ba5638c62981f89ac8cd6181856e2a4610d8e2e0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88782c2ea110ad583aad3cd0ec5dd5fd36e4d2927606c824489f8006631e4bd2
[INFO] running `Command { std: "docker" "start" "-a" "88782c2ea110ad583aad3cd0ec5dd5fd36e4d2927606c824489f8006631e4bd2", 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 `inactive_state` is never read
[INFO] [stdout]   --> src/devices.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct GpioDevice {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     inactive_state: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GpioDevice` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bounce_time` is never read
[INFO] [stdout]    --> src/input_devices.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout]  97 | pub struct DigitalInputDevice {
[INFO] [stdout]     |            ------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 101 |     bounce_time: Option<f32>,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DigitalInputDevice` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inactive_state` is never read
[INFO] [stdout]   --> src/devices.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct GpioDevice {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     inactive_state: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GpioDevice` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bounce_time` is never read
[INFO] [stdout]    --> src/input_devices.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout]  97 | pub struct DigitalInputDevice {
[INFO] [stdout]     |            ------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 101 |     bounce_time: Option<f32>,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DigitalInputDevice` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "88782c2ea110ad583aad3cd0ec5dd5fd36e4d2927606c824489f8006631e4bd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88782c2ea110ad583aad3cd0ec5dd5fd36e4d2927606c824489f8006631e4bd2", kill_on_drop: false }`
[INFO] [stdout] 88782c2ea110ad583aad3cd0ec5dd5fd36e4d2927606c824489f8006631e4bd2