[INFO] cloning repository https://github.com/avrong/rpi-rust-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/avrong/rpi-rust-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favrong%2Frpi-rust-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favrong%2Frpi-rust-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16a6150c4ef3b509935e0bef384e69663b6e5690
[INFO] checking avrong/rpi-rust-experiments against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favrong%2Frpi-rust-experiments" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/avrong/rpi-rust-experiments
[INFO] finished tweaking git repo https://github.com/avrong/rpi-rust-experiments
[INFO] tweaked toml for git repo https://github.com/avrong/rpi-rust-experiments written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/avrong/rpi-rust-experiments on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/avrong/rpi-rust-experiments 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `breathing_led` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-6-tc1/source/target/.../breathing_led
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `breathing-led`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/breathing_led.rs
[INFO] [stderr] 1 + src/bin/breathing-led.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `button_led` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-6-tc1/source/target/.../button_led
[INFO] [stderr]   |                                                  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `button-led`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/button_led.rs
[INFO] [stderr] 1 + src/bin/button-led.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `button_led_state` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-6-tc1/source/target/.../button_led_state
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `button-led-state`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/button_led_state.rs
[INFO] [stderr] 1 + src/bin/button-led-state.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `flowing_leds` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-6-tc1/source/target/.../flowing_leds
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `flowing-leds`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/flowing_leds.rs
[INFO] [stderr] 1 + src/bin/flowing-leds.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `rgb_led` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-6-tc1/source/target/.../rgb_led
[INFO] [stderr]   |                                                  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `rgb-led`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/rgb_led.rs
[INFO] [stderr] 1 + src/bin/rgb-led.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: `rpi-rust-experiments` (manifest) generated 5 warnings
[INFO] [stderr]     Updating crates.io index
[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-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5ea0d1fd427d59a13a4fa55f9c172cf70ff979fc6ba5d21548b78e0ca3ea9fa8
[INFO] running `Command { std: "docker" "start" "5ea0d1fd427d59a13a4fa55f9c172cf70ff979fc6ba5d21548b78e0ca3ea9fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ea0d1fd427d59a13a4fa55f9c172cf70ff979fc6ba5d21548b78e0ca3ea9fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5ea0d1fd427d59a13a4fa55f9c172cf70ff979fc6ba5d21548b78e0ca3ea9fa8" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ea0d1fd427d59a13a4fa55f9c172cf70ff979fc6ba5d21548b78e0ca3ea9fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5ea0d1fd427d59a13a4fa55f9c172cf70ff979fc6ba5d21548b78e0ca3ea9fa8" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `breathing_led` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../breathing_led
[INFO] [stderr]   |                          ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `breathing-led`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/breathing_led.rs
[INFO] [stderr] 1 + src/bin/breathing-led.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `button_led` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../button_led
[INFO] [stderr]   |                          ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `button-led`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/button_led.rs
[INFO] [stderr] 1 + src/bin/button-led.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `button_led_state` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../button_led_state
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `button-led-state`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/button_led_state.rs
[INFO] [stderr] 1 + src/bin/button-led-state.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `flowing_leds` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../flowing_leds
[INFO] [stderr]   |                          ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `flowing-leds`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/flowing_leds.rs
[INFO] [stderr] 1 + src/bin/flowing-leds.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `rgb_led` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../rgb_led
[INFO] [stderr]   |                          ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `rgb-led`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/rgb_led.rs
[INFO] [stderr] 1 + src/bin/rgb-led.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: `rpi-rust-experiments` (manifest) generated 5 warnings
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking rppal v0.13.1
[INFO] [stderr]     Checking rpi-rust-experiments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/breathing_led.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut led_pin = Pwm::new(Channel::Pwm0)?;
[INFO] [stdout]   |         ----^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/bin/buzzer.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     loop {
[INFO] [stdout] 13 | |         beep_pin.set_high();
[INFO] [stdout] 14 | |         thread::sleep(Duration::from_millis(500));
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |         thread::sleep(Duration::from_millis(500));
[INFO] [stdout] 18 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 19 |
[INFO] [stdout] 20 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/bin/buzzer.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     loop {
[INFO] [stdout] 13 | |         beep_pin.set_high();
[INFO] [stdout] 14 | |         thread::sleep(Duration::from_millis(500));
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |         thread::sleep(Duration::from_millis(500));
[INFO] [stdout] 18 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 19 |
[INFO] [stdout] 20 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/breathing_led.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut led_pin = Pwm::new(Channel::Pwm0)?;
[INFO] [stdout]   |         ----^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/button_led_state.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     button_pin.set_interrupt(Trigger::FallingEdge);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let _ = button_pin.set_interrupt(Trigger::FallingEdge);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/button_led_state.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     button_pin.set_interrupt(Trigger::FallingEdge);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let _ = button_pin.set_interrupt(Trigger::FallingEdge);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `Command { std: "docker" "inspect" "5ea0d1fd427d59a13a4fa55f9c172cf70ff979fc6ba5d21548b78e0ca3ea9fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ea0d1fd427d59a13a4fa55f9c172cf70ff979fc6ba5d21548b78e0ca3ea9fa8", kill_on_drop: false }`
[INFO] [stdout] 5ea0d1fd427d59a13a4fa55f9c172cf70ff979fc6ba5d21548b78e0ca3ea9fa8
