[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] 5ed2ee0f29e526d47f1754a41f99bdaa4c03a9dc
[INFO] testing tungel/rust-rpi-gpio against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftungel%2Frust-rpi-gpio" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tungel/rust-rpi-gpio on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-21/source/Cargo.toml
[INFO] crate git repo https://github.com/tungel/rust-rpi-gpio already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 746dd7fb5956f04aa252d31c06b2bd767fc025fcdb710da966b0f349212df4b5
[INFO] running `Command { std: "docker" "start" "-a" "746dd7fb5956f04aa252d31c06b2bd767fc025fcdb710da966b0f349212df4b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "746dd7fb5956f04aa252d31c06b2bd767fc025fcdb710da966b0f349212df4b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "746dd7fb5956f04aa252d31c06b2bd767fc025fcdb710da966b0f349212df4b5", kill_on_drop: false }`
[INFO] [stdout] 746dd7fb5956f04aa252d31c06b2bd767fc025fcdb710da966b0f349212df4b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a060961bd8b6912d7992c6929377a41df69674b4cbb074f0093ccb3d396478ce
[INFO] running `Command { std: "docker" "start" "-a" "a060961bd8b6912d7992c6929377a41df69674b4cbb074f0093ccb3d396478ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling rppal v0.13.1
[INFO] [stderr]    Compiling 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] 44 | |
[INFO] [stdout] 45 | |         // https://stackoverflow.com/questions/26643688/how-do-i-split-a-string-in-rust
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.25s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a060961bd8b6912d7992c6929377a41df69674b4cbb074f0093ccb3d396478ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a060961bd8b6912d7992c6929377a41df69674b4cbb074f0093ccb3d396478ce", kill_on_drop: false }`
[INFO] [stdout] a060961bd8b6912d7992c6929377a41df69674b4cbb074f0093ccb3d396478ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 018a762e9b0429b440b09e1cd32af450153d840b26c4deaa4fc067c0a8ccced1
[INFO] running `Command { std: "docker" "start" "-a" "018a762e9b0429b440b09e1cd32af450153d840b26c4deaa4fc067c0a8ccced1", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] 44 | |
[INFO] [stdout] 45 | |         // https://stackoverflow.com/questions/26643688/how-do-i-split-a-string-in-rust
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "018a762e9b0429b440b09e1cd32af450153d840b26c4deaa4fc067c0a8ccced1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "018a762e9b0429b440b09e1cd32af450153d840b26c4deaa4fc067c0a8ccced1", kill_on_drop: false }`
[INFO] [stdout] 018a762e9b0429b440b09e1cd32af450153d840b26c4deaa4fc067c0a8ccced1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff12db85634a0c8d9909d81c8101645d4161da70306a7fe22e5506bcc3e6c057
[INFO] running `Command { std: "docker" "start" "-a" "ff12db85634a0c8d9909d81c8101645d4161da70306a7fe22e5506bcc3e6c057", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:64:5
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 42 | /     loop {
[INFO] [stdout] 
[INFO] [stderr] 43 | |         let temp_string = get_temp(); // the result is something like this: temp=37.9'C
[INFO] [stderr] 44 | |
[INFO] [stderr] 45 | |         // https://stackoverflow.com/questions/26643688/how-do-i-split-a-string-in-rust
[INFO] [stderr] ...  |
[INFO] [stderr] 61 | |         thread::sleep(Duration::from_millis(SLEEP_INTERVAL * 1000));
[INFO] [stderr] 62 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 63 | 
[INFO] [stderr] 64 |       Ok(())
[INFO] [stderr]    |       ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | /     Command::new("logger")
[INFO] [stderr] 28 | |         .args(["-p", "notice", "-t", "tungle", &msg])
[INFO] [stderr] 29 | |         .output();
[INFO] [stderr]    | |__________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `raspberrypi-gpio` (bin "raspberrypi-gpio" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/raspberrypi_gpio-025890ea5261c01f)
[INFO] running `Command { std: "docker" "inspect" "ff12db85634a0c8d9909d81c8101645d4161da70306a7fe22e5506bcc3e6c057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff12db85634a0c8d9909d81c8101645d4161da70306a7fe22e5506bcc3e6c057", kill_on_drop: false }`
[INFO] [stdout] ff12db85634a0c8d9909d81c8101645d4161da70306a7fe22e5506bcc3e6c057