[INFO] cloning repository https://github.com/wired-maya/ledmatrix_pi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wired-maya/ledmatrix_pi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwired-maya%2Fledmatrix_pi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwired-maya%2Fledmatrix_pi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50d3b19c1c6141c8ceb26d479356dec1829930c5
[INFO] checking wired-maya/ledmatrix_pi against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwired-maya%2Fledmatrix_pi" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wired-maya/ledmatrix_pi
[INFO] finished tweaking git repo https://github.com/wired-maya/ledmatrix_pi
[INFO] tweaked toml for git repo https://github.com/wired-maya/ledmatrix_pi written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wired-maya/ledmatrix_pi 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/wired-maya/ledmatrix_pi 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 }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 }`
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[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" "6a738744c409997424c6b710e37e28f4fd2c619ebdae8bc418f52ae28cc68c57" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a738744c409997424c6b710e37e28f4fd2c619ebdae8bc418f52ae28cc68c57", 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" "6a738744c409997424c6b710e37e28f4fd2c619ebdae8bc418f52ae28cc68c57" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `Mutex`, `SystemTime`, `arch::asm`, `current`, and `ffi::c_void`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | ...::{arch::asm, error::Error, ffi::c_void, sync::{atomic::AtomicPtr, Arc, Mutex}, thread::{self, current, sleep}, time::{Duration, Instant, SystemTime}};
[INFO] [stdout]   |       ^^^^^^^^^                ^^^^^^^^^^^                                 ^^^^^                  ^^^^^^^                                    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Pixel` and `Rgb`
[INFO] [stdout]  --> src/main.rs:3:53
[INFO] [stdout]   |
[INFO] [stdout] 3 | use image::{DynamicImage, ImageBuffer, ImageReader, Pixel, Rgb, Rgba};
[INFO] [stdout]   |                                                     ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Level`
[INFO] [stdout]  --> src/main.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rppal::gpio::{Gpio, Level, OutputPin};
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Mutex`, `SystemTime`, `arch::asm`, `current`, and `ffi::c_void`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | ...::{arch::asm, error::Error, ffi::c_void, sync::{atomic::AtomicPtr, Arc, Mutex}, thread::{self, current, sleep}, time::{Duration, Instant, SystemTime}};
[INFO] [stdout]   |       ^^^^^^^^^                ^^^^^^^^^^^                                 ^^^^^                  ^^^^^^^                                    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Pixel` and `Rgb`
[INFO] [stdout]  --> src/main.rs:3:53
[INFO] [stdout]   |
[INFO] [stdout] 3 | use image::{DynamicImage, ImageBuffer, ImageReader, Pixel, Rgb, Rgba};
[INFO] [stdout]   |                                                     ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Level`
[INFO] [stdout]  --> src/main.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rppal::gpio::{Gpio, Level, OutputPin};
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:420:5
[INFO] [stdout]     |
[INFO] [stdout] 413 | /     loop {
[INFO] [stdout] 414 | |         led_matrix.next_frame = Some(LedMatrix::imgbuffer_to_disaplayable(&img1));
[INFO] [stdout] 415 | |         sleep(Duration::from_secs(1));
[INFO] [stdout] 416 | |         led_matrix.next_frame = Some(LedMatrix::imgbuffer_to_disaplayable(&img2));
[INFO] [stdout] 417 | |         sleep(Duration::from_secs(1));
[INFO] [stdout] 418 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 419 |
[INFO] [stdout] 420 |       thread.join().unwrap();
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:420:5
[INFO] [stdout]     |
[INFO] [stdout] 413 | /     loop {
[INFO] [stdout] 414 | |         led_matrix.next_frame = Some(LedMatrix::imgbuffer_to_disaplayable(&img1));
[INFO] [stdout] 415 | |         sleep(Duration::from_secs(1));
[INFO] [stdout] 416 | |         led_matrix.next_frame = Some(LedMatrix::imgbuffer_to_disaplayable(&img2));
[INFO] [stdout] 417 | |         sleep(Duration::from_secs(1));
[INFO] [stdout] 418 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 419 |
[INFO] [stdout] 420 |       thread.join().unwrap();
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `thread`
[INFO] [stdout]    --> src/main.rs:406:9
[INFO] [stdout]     |
[INFO] [stdout] 406 |     let thread: thread::JoinHandle<()> = thread::spawn(move || {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GAMMA_CORRECTION` is never used
[INFO] [stdout]   --> src/main.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const GAMMA_CORRECTION: f64 = 2.2;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GAMMA_LUT` is never used
[INFO] [stdout]   --> src/main.rs:49:7
[INFO] [stdout]    |
[INFO] [stdout] 49 | const GAMMA_LUT: [u8; 256] = [
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `brightness` and `gpio` are never read
[INFO] [stdout]   --> src/main.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | struct LedMatrix {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 73 |     brightness: f64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 74 |     gpio: Gpio,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `set_pin_int`, `disable_display`, `correct_gamma`, `set_brightness`, and `apply_alpha` are never used
[INFO] [stdout]    --> src/main.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout]  95 | impl LedMatrix {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 148 |     fn set_pin_int(pin: &mut OutputPin, val: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 160 |     fn disable_display(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 224 |     fn correct_gamma(val: f64) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 228 |     fn set_brightness(&mut self, brightness: f64) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 333 |     fn apply_alpha(colour: &Rgba<u8>) -> Rgba<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `thread`
[INFO] [stdout]    --> src/main.rs:406:9
[INFO] [stdout]     |
[INFO] [stdout] 406 |     let thread: thread::JoinHandle<()> = thread::spawn(move || {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GAMMA_CORRECTION` is never used
[INFO] [stdout]   --> src/main.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const GAMMA_CORRECTION: f64 = 2.2;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GAMMA_LUT` is never used
[INFO] [stdout]   --> src/main.rs:49:7
[INFO] [stdout]    |
[INFO] [stdout] 49 | const GAMMA_LUT: [u8; 256] = [
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `brightness` and `gpio` are never read
[INFO] [stdout]   --> src/main.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | struct LedMatrix {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 73 |     brightness: f64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 74 |     gpio: Gpio,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `set_pin_int`, `disable_display`, `correct_gamma`, `set_brightness`, and `apply_alpha` are never used
[INFO] [stdout]    --> src/main.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout]  95 | impl LedMatrix {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 148 |     fn set_pin_int(pin: &mut OutputPin, val: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 160 |     fn disable_display(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 224 |     fn correct_gamma(val: f64) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 228 |     fn set_brightness(&mut self, brightness: f64) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 333 |     fn apply_alpha(colour: &Rgba<u8>) -> Rgba<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 28.32s
[INFO] running `Command { std: "docker" "inspect" "6a738744c409997424c6b710e37e28f4fd2c619ebdae8bc418f52ae28cc68c57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a738744c409997424c6b710e37e28f4fd2c619ebdae8bc418f52ae28cc68c57", kill_on_drop: false }`
[INFO] [stdout] 6a738744c409997424c6b710e37e28f4fd2c619ebdae8bc418f52ae28cc68c57
