[INFO] cloning repository https://github.com/tungel/rust-rpi-gpio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tungel/rust-rpi-gpio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftungel%2Frust-rpi-gpio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftungel%2Frust-rpi-gpio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53bd34ddd270dc591b9636a56796467bc80318bb
[INFO] checking tungel/rust-rpi-gpio against master#2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a for pr-145113
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftungel%2Frust-rpi-gpio" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tungel/rust-rpi-gpio
[INFO] finished tweaking git repo https://github.com/tungel/rust-rpi-gpio
[INFO] tweaked toml for git repo https://github.com/tungel/rust-rpi-gpio written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tungel/rust-rpi-gpio on toolchain 2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tungel/rust-rpi-gpio 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" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rppal v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76a00513307447ca79542417183963741cac786ea621b800ae6df899b067363d
[INFO] running `Command { std: "docker" "start" "-a" "76a00513307447ca79542417183963741cac786ea621b800ae6df899b067363d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76a00513307447ca79542417183963741cac786ea621b800ae6df899b067363d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76a00513307447ca79542417183963741cac786ea621b800ae6df899b067363d", kill_on_drop: false }`
[INFO] [stdout] 76a00513307447ca79542417183963741cac786ea621b800ae6df899b067363d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 873d0bf70237a5be470df8473ee0bab4c69c90d2ab50ffbc61a61c08dbf40047
[INFO] running `Command { std: "docker" "start" "-a" "873d0bf70237a5be470df8473ee0bab4c69c90d2ab50ffbc61a61c08dbf40047", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rppal v0.13.1
[INFO] [stderr]     Checking raspberrypi-gpio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | /     loop {
[INFO] [stdout] 43 | |         let temp_string = get_temp(); // the result is something like this: temp=37.9'C
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |         thread::sleep(Duration::from_millis(SLEEP_INTERVAL * 1000));
[INFO] [stdout] 62 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 63 |
[INFO] [stdout] 64 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | /     loop {
[INFO] [stdout] 43 | |         let temp_string = get_temp(); // the result is something like this: temp=37.9'C
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |         thread::sleep(Duration::from_millis(SLEEP_INTERVAL * 1000));
[INFO] [stdout] 62 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 63 |
[INFO] [stdout] 64 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     Command::new("logger")
[INFO] [stdout] 28 | |         .args(["-p", "notice", "-t", "tungle", &msg])
[INFO] [stdout] 29 | |         .output();
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let _ = Command::new("logger")
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     Command::new("logger")
[INFO] [stdout] 28 | |         .args(["-p", "notice", "-t", "tungle", &msg])
[INFO] [stdout] 29 | |         .output();
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let _ = Command::new("logger")
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "873d0bf70237a5be470df8473ee0bab4c69c90d2ab50ffbc61a61c08dbf40047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "873d0bf70237a5be470df8473ee0bab4c69c90d2ab50ffbc61a61c08dbf40047", kill_on_drop: false }`
[INFO] [stdout] 873d0bf70237a5be470df8473ee0bab4c69c90d2ab50ffbc61a61c08dbf40047