[INFO] cloning repository https://github.com/heypoom/commandpad.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/heypoom/commandpad.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheypoom%2Fcommandpad.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheypoom%2Fcommandpad.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e1d74b7b1d6f68b87a0dfcc5646341176335725f
[INFO] testing heypoom/commandpad.rs against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheypoom%2Fcommandpad.rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/heypoom/commandpad.rs
[INFO] finished tweaking git repo https://github.com/heypoom/commandpad.rs
[INFO] tweaked toml for git repo https://github.com/heypoom/commandpad.rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/heypoom/commandpad.rs on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/heypoom/commandpad.rs 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15650fd78b0c0b736523bf6199389c72de278447ac32c9be7ef71159cc1e3b17
[INFO] running `Command { std: "docker" "start" "-a" "15650fd78b0c0b736523bf6199389c72de278447ac32c9be7ef71159cc1e3b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15650fd78b0c0b736523bf6199389c72de278447ac32c9be7ef71159cc1e3b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15650fd78b0c0b736523bf6199389c72de278447ac32c9be7ef71159cc1e3b17", kill_on_drop: false }`
[INFO] [stdout] 15650fd78b0c0b736523bf6199389c72de278447ac32c9be7ef71159cc1e3b17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 482c521dd6e0e3e1a5a79a462169431b79b72dcedcf5a8e2fd238b9638d2a4ca
[INFO] running `Command { std: "docker" "start" "-a" "482c521dd6e0e3e1a5a79a462169431b79b72dcedcf5a8e2fd238b9638d2a4ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling memalloc v0.1.0
[INFO] [stderr]    Compiling text_io v0.1.8
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling alsa v0.4.3
[INFO] [stderr]    Compiling midly v0.5.2
[INFO] [stderr]    Compiling midir v0.7.0
[INFO] [stderr]    Compiling commandpad v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand_u8`
[INFO] [stdout]  --> src/main.rs:9:73
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::launchpad::{blank_rgb_canvas, get_midi_in_ports, midi_input, rand_u8, Launchpad};
[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: `rand::Rng`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut rng = rand::thread_rng();
[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 variable: `ms`
[INFO] [stdout]   --> src/main.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 39 |             move |ms, message, _extra| {
[INFO] [stdout]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_ms`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]   --> src/main.rs:40:23
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 if let &[command, position, velocity] = message {
[INFO] [stdout]    |                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/main.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut rng = rand::thread_rng();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `midi_in`
[INFO] [stdout]   --> src/main.rs:35:6
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let midi_in = input
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_midi_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `daw_conn` and `midi_in` are never read
[INFO] [stdout]   --> src/launchpad.rs:14:2
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Launchpad {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     daw_conn: MidiOutputConnection,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     midi_in: Option<MidiInputConnection<()>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print` is never used
[INFO] [stdout]   --> src/launchpad.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn print(s: &str) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `input` is never used
[INFO] [stdout]   --> src/launchpad.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn input(prompt: &str) -> String {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `input_usize` is never used
[INFO] [stdout]   --> src/launchpad.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn input_usize(prompt: &str) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `send_daw`, `paint_static_grid`, and `cycle_color` are never used
[INFO] [stdout]    --> src/launchpad.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl Launchpad {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 126 |     pub fn send_daw(&mut self, message: &[u8]) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     pub fn paint_static_grid(&mut self, grid: Vec<Vec<u8>>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     pub fn cycle_color(&mut self, position: u8) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rand_u8` is never used
[INFO] [stdout]    --> src/launchpad.rs:199:8
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub fn rand_u8() -> u8 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.02s
[INFO] running `Command { std: "docker" "inspect" "482c521dd6e0e3e1a5a79a462169431b79b72dcedcf5a8e2fd238b9638d2a4ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "482c521dd6e0e3e1a5a79a462169431b79b72dcedcf5a8e2fd238b9638d2a4ca", kill_on_drop: false }`
[INFO] [stdout] 482c521dd6e0e3e1a5a79a462169431b79b72dcedcf5a8e2fd238b9638d2a4ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6926be506ff7284eeee1008ca66304f094ebcd1f670706d29dc4d472e25ef539
[INFO] running `Command { std: "docker" "start" "-a" "6926be506ff7284eeee1008ca66304f094ebcd1f670706d29dc4d472e25ef539", kill_on_drop: false }`
[INFO] [stderr]    Compiling commandpad v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand_u8`
[INFO] [stdout]  --> src/main.rs:9:73
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::launchpad::{blank_rgb_canvas, get_midi_in_ports, midi_input, rand_u8, Launchpad};
[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: `rand::Rng`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut rng = rand::thread_rng();
[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 variable: `ms`
[INFO] [stdout]   --> src/main.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 39 |             move |ms, message, _extra| {
[INFO] [stdout]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_ms`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]   --> src/main.rs:40:23
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 if let &[command, position, velocity] = message {
[INFO] [stdout]    |                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/main.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut rng = rand::thread_rng();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `midi_in`
[INFO] [stdout]   --> src/main.rs:35:6
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let midi_in = input
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_midi_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `daw_conn` and `midi_in` are never read
[INFO] [stdout]   --> src/launchpad.rs:14:2
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Launchpad {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     daw_conn: MidiOutputConnection,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     midi_in: Option<MidiInputConnection<()>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print` is never used
[INFO] [stdout]   --> src/launchpad.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn print(s: &str) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `input` is never used
[INFO] [stdout]   --> src/launchpad.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn input(prompt: &str) -> String {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `input_usize` is never used
[INFO] [stdout]   --> src/launchpad.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn input_usize(prompt: &str) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `send_daw`, `paint_static_grid`, and `cycle_color` are never used
[INFO] [stdout]    --> src/launchpad.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl Launchpad {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 126 |     pub fn send_daw(&mut self, message: &[u8]) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     pub fn paint_static_grid(&mut self, grid: Vec<Vec<u8>>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     pub fn cycle_color(&mut self, position: u8) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rand_u8` is never used
[INFO] [stdout]    --> src/launchpad.rs:199:8
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub fn rand_u8() -> u8 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "6926be506ff7284eeee1008ca66304f094ebcd1f670706d29dc4d472e25ef539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6926be506ff7284eeee1008ca66304f094ebcd1f670706d29dc4d472e25ef539", kill_on_drop: false }`
[INFO] [stdout] 6926be506ff7284eeee1008ca66304f094ebcd1f670706d29dc4d472e25ef539
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 58c48f56c0ad5b6729a91ce20e96e441e9ad104d19d9df61057680814c95b020
[INFO] running `Command { std: "docker" "start" "-a" "58c48f56c0ad5b6729a91ce20e96e441e9ad104d19d9df61057680814c95b020", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `rand_u8`
[INFO] [stderr]  --> src/main.rs:9:73
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::launchpad::{blank_rgb_canvas, get_midi_in_ports, midi_input, rand_u8, Launchpad};
[INFO] [stderr]   |                                                                         ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use rand::Rng;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:22:6
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut rng = rand::thread_rng();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ms`
[INFO] [stderr]   --> src/main.rs:39:10
[INFO] [stderr]    |
[INFO] [stderr] 39 |             move |ms, message, _extra| {
[INFO] [stderr]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_ms`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `position`
[INFO] [stderr]   --> src/main.rs:40:23
[INFO] [stderr]    |
[INFO] [stderr] 40 |                 if let &[command, position, velocity] = message {
[INFO] [stderr]    |                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]   --> src/main.rs:22:6
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut rng = rand::thread_rng();
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `midi_in`
[INFO] [stderr]   --> src/main.rs:35:6
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let midi_in = input
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_midi_in`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `daw_conn` and `midi_in` are never read
[INFO] [stderr]   --> src/launchpad.rs:14:2
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct Launchpad {
[INFO] [stderr]    |            --------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 14 |     daw_conn: MidiOutputConnection,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 17 |     midi_in: Option<MidiInputConnection<()>>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `print` is never used
[INFO] [stderr]   --> src/launchpad.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn print(s: &str) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `input` is never used
[INFO] [stderr]   --> src/launchpad.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub fn input(prompt: &str) -> String {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `input_usize` is never used
[INFO] [stderr]   --> src/launchpad.rs:48:4
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn input_usize(prompt: &str) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `send_daw`, `paint_static_grid`, and `cycle_color` are never used
[INFO] [stderr]    --> src/launchpad.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 110 | impl Launchpad {
[INFO] [stderr]     | -------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 126 |     pub fn send_daw(&mut self, message: &[u8]) {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 142 |     pub fn paint_static_grid(&mut self, grid: Vec<Vec<u8>>) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 177 |     pub fn cycle_color(&mut self, position: u8) {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `rand_u8` is never used
[INFO] [stderr]    --> src/launchpad.rs:199:8
[INFO] [stderr]     |
[INFO] [stderr] 199 | pub fn rand_u8() -> u8 {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `commandpad` (bin "commandpad" test) generated 13 warnings (run `cargo fix --bin "commandpad" -p commandpad --tests` to apply 7 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/commandpad-7fe8394cc3017ff4)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "58c48f56c0ad5b6729a91ce20e96e441e9ad104d19d9df61057680814c95b020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58c48f56c0ad5b6729a91ce20e96e441e9ad104d19d9df61057680814c95b020", kill_on_drop: false }`
[INFO] [stdout] 58c48f56c0ad5b6729a91ce20e96e441e9ad104d19d9df61057680814c95b020
