[INFO] cloning repository https://github.com/fishykins/pi_temp_manager
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fishykins/pi_temp_manager" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffishykins%2Fpi_temp_manager", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffishykins%2Fpi_temp_manager'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bacbbcb48d472a09ea485b1f40b86c8b1b381e4c
[INFO] testing fishykins/pi_temp_manager against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffishykins%2Fpi_temp_manager" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fishykins/pi_temp_manager 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 git repo https://github.com/fishykins/pi_temp_manager
[INFO] finished tweaking git repo https://github.com/fishykins/pi_temp_manager
[INFO] tweaked toml for git repo https://github.com/fishykins/pi_temp_manager written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/fishykins/pi_temp_manager 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 }`
[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 gpio v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eaca2a997c787f6f3d9f0b52a1fbbc4f89f1b5c98e3281f41d0c0ee9d3165a73
[INFO] running `Command { std: "docker" "start" "-a" "eaca2a997c787f6f3d9f0b52a1fbbc4f89f1b5c98e3281f41d0c0ee9d3165a73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaca2a997c787f6f3d9f0b52a1fbbc4f89f1b5c98e3281f41d0c0ee9d3165a73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaca2a997c787f6f3d9f0b52a1fbbc4f89f1b5c98e3281f41d0c0ee9d3165a73", kill_on_drop: false }`
[INFO] [stdout] eaca2a997c787f6f3d9f0b52a1fbbc4f89f1b5c98e3281f41d0c0ee9d3165a73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 554897bf2ee2ca21e87da30dd4ad13598fcb31f455f86c93b7c30de10a5c285d
[INFO] running `Command { std: "docker" "start" "-a" "554897bf2ee2ca21e87da30dd4ad13598fcb31f455f86c93b7c30de10a5c285d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gpio v0.4.1
[INFO] [stderr]    Compiling pi_temp_manager v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/main.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `on`
[INFO] [stdout]  --> src/main.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn fan_control(on: bool) {}
[INFO] [stdout]   |                ^^ help: if this is intentional, prefix it with an underscore: `_on`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `Command { std: "docker" "inspect" "554897bf2ee2ca21e87da30dd4ad13598fcb31f455f86c93b7c30de10a5c285d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "554897bf2ee2ca21e87da30dd4ad13598fcb31f455f86c93b7c30de10a5c285d", kill_on_drop: false }`
[INFO] [stdout] 554897bf2ee2ca21e87da30dd4ad13598fcb31f455f86c93b7c30de10a5c285d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d958d1b747c5bd9163267156355833d5d6a3607c6d66a1f31928578b132ec882
[INFO] running `Command { std: "docker" "start" "-a" "d958d1b747c5bd9163267156355833d5d6a3607c6d66a1f31928578b132ec882", kill_on_drop: false }`
[INFO] [stderr]    Compiling pi_temp_manager v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/main.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `on`
[INFO] [stdout]  --> src/main.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn fan_control(on: bool) {}
[INFO] [stdout]   |                ^^ help: if this is intentional, prefix it with an underscore: `_on`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "d958d1b747c5bd9163267156355833d5d6a3607c6d66a1f31928578b132ec882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d958d1b747c5bd9163267156355833d5d6a3607c6d66a1f31928578b132ec882", kill_on_drop: false }`
[INFO] [stdout] d958d1b747c5bd9163267156355833d5d6a3607c6d66a1f31928578b132ec882
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 27bdd3fc18b8f675ea386f4b58a20437ea20d92f0cb388cd8fe722c1d98088f6
[INFO] running `Command { std: "docker" "start" "-a" "27bdd3fc18b8f675ea386f4b58a20437ea20d92f0cb388cd8fe722c1d98088f6", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:3:17
[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] 3 | use std::time::{Duration, Instant};
[INFO] [stdout] 
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `on`
[INFO] [stderr]  --> src/main.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn fan_control(on: bool) {}
[INFO] [stderr]   |                ^^ help: if this is intentional, prefix it with an underscore: `_on`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pi_temp_manager` (bin "pi_temp_manager" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pi_temp_manager-25c9f2cc072a33c0)
[INFO] running `Command { std: "docker" "inspect" "27bdd3fc18b8f675ea386f4b58a20437ea20d92f0cb388cd8fe722c1d98088f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27bdd3fc18b8f675ea386f4b58a20437ea20d92f0cb388cd8fe722c1d98088f6", kill_on_drop: false }`
[INFO] [stdout] 27bdd3fc18b8f675ea386f4b58a20437ea20d92f0cb388cd8fe722c1d98088f6