[INFO] cloning repository https://github.com/MikeTheShadow/BluetoothMusicRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MikeTheShadow/BluetoothMusicRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMikeTheShadow%2FBluetoothMusicRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMikeTheShadow%2FBluetoothMusicRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63b195502829491ea01164fd1fedaaa639ac5f4c
[INFO] checking MikeTheShadow/BluetoothMusicRust against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMikeTheShadow%2FBluetoothMusicRust" "/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/MikeTheShadow/BluetoothMusicRust
[INFO] finished tweaking git repo https://github.com/MikeTheShadow/BluetoothMusicRust
[INFO] tweaked toml for git repo https://github.com/MikeTheShadow/BluetoothMusicRust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MikeTheShadow/BluetoothMusicRust 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/MikeTheShadow/BluetoothMusicRust 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 `bluetooth_music_rust` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-6-tc1/source/target/.../bluetooth_music_rust
[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 `bluetooth-music-rust`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 - name = "bluetooth_music_rust"
[INFO] [stderr] 16 + name = "bluetooth-music-rust"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `bluetooth-music-rust`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:17:19
[INFO] [stderr]    |
[INFO] [stderr] 17 ~ version = "0.1.0"
[INFO] [stderr] 18 + [[bin]]
[INFO] [stderr] 19 + name = "bluetooth-music-rust"
[INFO] [stderr] 20 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `bluetooth_music_rust` (manifest) generated 1 warning
[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] 55b3ba27ef9d0f596450362ce98a4e357bf412d8738c7486a79e5a240fd7c9e7
[INFO] running `Command { std: "docker" "start" "55b3ba27ef9d0f596450362ce98a4e357bf412d8738c7486a79e5a240fd7c9e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55b3ba27ef9d0f596450362ce98a4e357bf412d8738c7486a79e5a240fd7c9e7", 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" "55b3ba27ef9d0f596450362ce98a4e357bf412d8738c7486a79e5a240fd7c9e7" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55b3ba27ef9d0f596450362ce98a4e357bf412d8738c7486a79e5a240fd7c9e7", 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" "55b3ba27ef9d0f596450362ce98a4e357bf412d8738c7486a79e5a240fd7c9e7" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `bluetooth_music_rust` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../bluetooth_music_rust
[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 `bluetooth-music-rust`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 - name = "bluetooth_music_rust"
[INFO] [stderr] 16 + name = "bluetooth-music-rust"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `bluetooth-music-rust`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:17:19
[INFO] [stderr]    |
[INFO] [stderr] 17 ~ version = "0.1.0"
[INFO] [stderr] 18 + [[bin]]
[INFO] [stderr] 19 + name = "bluetooth-music-rust"
[INFO] [stderr] 20 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `bluetooth_music_rust` (manifest) generated 1 warning
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling tokio v1.21.1
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]     Checking rppal v0.13.1
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.24
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]     Checking futures-executor v0.3.24
[INFO] [stderr]     Checking futures v0.3.24
[INFO] [stderr]     Checking bluetooth_music_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> src/main.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{env, thread};
[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 import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rppal::gpio::Gpio`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rppal::gpio::Gpio;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rppal::i2c::I2c`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rppal::i2c::I2c;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Channel`, `Polarity`, and `Pwm`
[INFO] [stdout]   --> src/main.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rppal::pwm::{Channel, Polarity, Pwm};
[INFO] [stdout]    |                  ^^^^^^^  ^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Bus`, `Mode`, `SlaveSelect`, and `Spi`
[INFO] [stdout]   --> src/main.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rppal::spi::{Bus, Mode, SlaveSelect, Spi};
[INFO] [stdout]    |                  ^^^  ^^^^  ^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Parity` and `Uart`
[INFO] [stdout]   --> src/main.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rppal::uart::{Parity, Uart};
[INFO] [stdout]    |                   ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> src/main.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{env, thread};
[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 import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rppal::gpio::Gpio`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rppal::gpio::Gpio;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rppal::i2c::I2c`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rppal::i2c::I2c;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Channel`, `Polarity`, and `Pwm`
[INFO] [stdout]   --> src/main.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rppal::pwm::{Channel, Polarity, Pwm};
[INFO] [stdout]    |                  ^^^^^^^  ^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Bus`, `Mode`, `SlaveSelect`, and `Spi`
[INFO] [stdout]   --> src/main.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rppal::spi::{Bus, Mode, SlaveSelect, Spi};
[INFO] [stdout]    |                  ^^^  ^^^^  ^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Parity` and `Uart`
[INFO] [stdout]   --> src/main.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rppal::uart::{Parity, Uart};
[INFO] [stdout]    |                   ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `buffer` and `num_leds` are never read
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct LedPanel {
[INFO] [stdout]   |            -------- fields in this struct
[INFO] [stdout] 5 |     /// stores [g, r, b] for each led (as opposed to the normal RGB)
[INFO] [stdout] 6 |     buffer: Vec<u8>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 7 |     pub spi: Spi,
[INFO] [stdout] 8 |     num_leds: u32,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ColorRGB` is never constructed
[INFO] [stdout]   --> src/lib.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ColorRGB (pub u8, pub u8, pub u8);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `write`, `set_leds`, and `clear_all_leds` are never used
[INFO] [stdout]   --> src/lib.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl LedPanel {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn write(&mut self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn set_leds(&mut self, hex_codes: &[ColorRGB]) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn clear_all_leds(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `byte_to_spi_bytes` is never used
[INFO] [stdout]   --> src/lib.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn byte_to_spi_bytes(input: u8) -> [u8; 3] {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bool_slice_to_u8` is never used
[INFO] [stdout]   --> src/lib.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn bool_slice_to_u8(input: &[bool]) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `buffer` and `num_leds` are never read
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct LedPanel {
[INFO] [stdout]   |            -------- fields in this struct
[INFO] [stdout] 5 |     /// stores [g, r, b] for each led (as opposed to the normal RGB)
[INFO] [stdout] 6 |     buffer: Vec<u8>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 7 |     pub spi: Spi,
[INFO] [stdout] 8 |     num_leds: u32,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ColorRGB` is never constructed
[INFO] [stdout]   --> src/lib.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ColorRGB (pub u8, pub u8, pub u8);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `write`, `set_leds`, and `clear_all_leds` are never used
[INFO] [stdout]   --> src/lib.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl LedPanel {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn write(&mut self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn set_leds(&mut self, hex_codes: &[ColorRGB]) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn clear_all_leds(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `byte_to_spi_bytes` is never used
[INFO] [stdout]   --> src/lib.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn byte_to_spi_bytes(input: u8) -> [u8; 3] {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bool_slice_to_u8` is never used
[INFO] [stdout]   --> src/lib.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn bool_slice_to_u8(input: &[bool]) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `futures`
[INFO] [stderr]  --> Cargo.toml:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | [dependencies.futures]
[INFO] [stderr]   |               ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `futures`
[INFO] [stderr] warning: `bluetooth_music_rust` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.77s
[INFO] running `Command { std: "docker" "inspect" "55b3ba27ef9d0f596450362ce98a4e357bf412d8738c7486a79e5a240fd7c9e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b3ba27ef9d0f596450362ce98a4e357bf412d8738c7486a79e5a240fd7c9e7", kill_on_drop: false }`
[INFO] [stdout] 55b3ba27ef9d0f596450362ce98a4e357bf412d8738c7486a79e5a240fd7c9e7
