[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] checking fishykins/pi_temp_manager against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffishykins%2Fpi_temp_manager" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fishykins/pi_temp_manager on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-16/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df57f4b8c32b1448482fdc2c14a1cdef8ae300c7f29d18e9829d30b646efb383
[INFO] running `Command { std: "docker" "start" "-a" "df57f4b8c32b1448482fdc2c14a1cdef8ae300c7f29d18e9829d30b646efb383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df57f4b8c32b1448482fdc2c14a1cdef8ae300c7f29d18e9829d30b646efb383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df57f4b8c32b1448482fdc2c14a1cdef8ae300c7f29d18e9829d30b646efb383", kill_on_drop: false }`
[INFO] [stdout] df57f4b8c32b1448482fdc2c14a1cdef8ae300c7f29d18e9829d30b646efb383
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc75c1ef208914fa7b27a795c29974600c8882b9d8e6fc710c6e0faf8a175a4d
[INFO] running `Command { std: "docker" "start" "-a" "dc75c1ef208914fa7b27a795c29974600c8882b9d8e6fc710c6e0faf8a175a4d", kill_on_drop: false }`
[INFO] [stderr]     Checking gpio v0.4.1
[INFO] [stderr]     Checking 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 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: 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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "dc75c1ef208914fa7b27a795c29974600c8882b9d8e6fc710c6e0faf8a175a4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc75c1ef208914fa7b27a795c29974600c8882b9d8e6fc710c6e0faf8a175a4d", kill_on_drop: false }`
[INFO] [stdout] dc75c1ef208914fa7b27a795c29974600c8882b9d8e6fc710c6e0faf8a175a4d