[INFO] cloning repository https://github.com/timsavage/rusty-maschine-mikro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timsavage/rusty-maschine-mikro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimsavage%2Frusty-maschine-mikro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimsavage%2Frusty-maschine-mikro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7ad26729092b7a10f1c71709b747ab88c42d7ff
[INFO] testing timsavage/rusty-maschine-mikro against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimsavage%2Frusty-maschine-mikro" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/timsavage/rusty-maschine-mikro on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/timsavage/rusty-maschine-mikro
[INFO] finished tweaking git repo https://github.com/timsavage/rusty-maschine-mikro
[INFO] tweaked toml for git repo https://github.com/timsavage/rusty-maschine-mikro written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/timsavage/rusty-maschine-mikro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f89e9cc8a73442878f370b8e6510f3850f958b21b0aed0dbe273b3f19f2f0741
[INFO] running `Command { std: "docker" "start" "-a" "f89e9cc8a73442878f370b8e6510f3850f958b21b0aed0dbe273b3f19f2f0741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f89e9cc8a73442878f370b8e6510f3850f958b21b0aed0dbe273b3f19f2f0741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f89e9cc8a73442878f370b8e6510f3850f958b21b0aed0dbe273b3f19f2f0741", kill_on_drop: false }`
[INFO] [stdout] f89e9cc8a73442878f370b8e6510f3850f958b21b0aed0dbe273b3f19f2f0741
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69a4e2c4b13849a38063410e9d070e1945a97b78216c08fe98c91c8c3f1d14f2
[INFO] running `Command { std: "docker" "start" "-a" "69a4e2c4b13849a38063410e9d070e1945a97b78216c08fe98c91c8c3f1d14f2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling hidapi v1.2.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling int-enum-impl v0.4.0
[INFO] [stderr]    Compiling int-enum v0.4.0
[INFO] [stderr]    Compiling mm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `colour::Colour`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use colour::Colour;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `controller::Controller`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use controller::Controller;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Event`
[INFO] [stdout]  --> src/main.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | use events::{Event, EventContext, EventHandler, EventTask};
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]  --> src/colour.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/pad.rs:2:37
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::controller::{Controller, Error};
[INFO] [stdout]   |                                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::events::Event::ButtonChange`
[INFO] [stdout]  --> src/pad.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::events::Event::ButtonChange;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EventContext`, `EventTask`
[INFO] [stdout]  --> src/pad.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::events::{Button, Event, EventContext, EventHandler, EventTask};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/colour.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(r: u8, g: u8, b: u8) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_buffer`
[INFO] [stdout]    --> src/gui/display.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn from_buffer(width: usize, height: usize, buffer: &[u8]) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Control`
[INFO] [stdout]  --> src/gui/ui/display.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Control {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Display`
[INFO] [stdout]  --> src/gui/ui/display.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Display {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `control`
[INFO] [stdout]   --> src/gui/ui/display.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn control(&self) -> &Control {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `text`
[INFO] [stdout]   --> src/gui/ui/text_panel.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn text(&self) -> &str {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.65s
[INFO] running `Command { std: "docker" "inspect" "69a4e2c4b13849a38063410e9d070e1945a97b78216c08fe98c91c8c3f1d14f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69a4e2c4b13849a38063410e9d070e1945a97b78216c08fe98c91c8c3f1d14f2", kill_on_drop: false }`
[INFO] [stdout] 69a4e2c4b13849a38063410e9d070e1945a97b78216c08fe98c91c8c3f1d14f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 861b52f3396204fe55cd6e3a5742682137d3c5f17a97ad0f01f80828bd571851
[INFO] running `Command { std: "docker" "start" "-a" "861b52f3396204fe55cd6e3a5742682137d3c5f17a97ad0f01f80828bd571851", kill_on_drop: false }`
[INFO] [stderr]    Compiling mm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `colour::Colour`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use colour::Colour;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `controller::Controller`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use controller::Controller;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Event`
[INFO] [stdout]  --> src/main.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | use events::{Event, EventContext, EventHandler, EventTask};
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]  --> src/colour.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/pad.rs:2:37
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::controller::{Controller, Error};
[INFO] [stdout]   |                                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::events::Event::ButtonChange`
[INFO] [stdout]  --> src/pad.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::events::Event::ButtonChange;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EventContext`, `EventTask`
[INFO] [stdout]  --> src/pad.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::events::{Button, Event, EventContext, EventHandler, EventTask};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/colour.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(r: u8, g: u8, b: u8) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_buffer`
[INFO] [stdout]    --> src/gui/display.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn from_buffer(width: usize, height: usize, buffer: &[u8]) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Control`
[INFO] [stdout]  --> src/gui/ui/display.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Control {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Display`
[INFO] [stdout]  --> src/gui/ui/display.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Display {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `control`
[INFO] [stdout]   --> src/gui/ui/display.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn control(&self) -> &Control {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `text`
[INFO] [stdout]   --> src/gui/ui/text_panel.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn text(&self) -> &str {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "861b52f3396204fe55cd6e3a5742682137d3c5f17a97ad0f01f80828bd571851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "861b52f3396204fe55cd6e3a5742682137d3c5f17a97ad0f01f80828bd571851", kill_on_drop: false }`
[INFO] [stdout] 861b52f3396204fe55cd6e3a5742682137d3c5f17a97ad0f01f80828bd571851
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 250ebaa671c38ff9bd195461a8fdb5d7547b302e2f97aebb64d9726cdb2d2275
[INFO] running `Command { std: "docker" "start" "-a" "250ebaa671c38ff9bd195461a8fdb5d7547b302e2f97aebb64d9726cdb2d2275", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `colour::Colour`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use colour::Colour;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `controller::Controller`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use controller::Controller;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Event`
[INFO] [stderr]  --> src/main.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 | use events::{Event, EventContext, EventHandler, EventTask};
[INFO] [stderr]   |              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thread_rng`
[INFO] [stderr]  --> src/colour.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rand::{thread_rng, Rng};
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/pad.rs:2:37
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::controller::{Controller, Error};
[INFO] [stderr]   |                                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::events::Event::ButtonChange`
[INFO] [stderr]  --> src/pad.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::events::Event::ButtonChange;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `EventContext`, `EventTask`
[INFO] [stderr]  --> src/pad.rs:4:36
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::events::{Button, Event, EventContext, EventHandler, EventTask};
[INFO] [stderr]   |                                    ^^^^^^^^^^^^                ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/colour.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn new(r: u8, g: u8, b: u8) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_buffer`
[INFO] [stderr]    --> src/gui/display.rs:146:12
[INFO] [stderr]     |
[INFO] [stderr] 146 |     pub fn from_buffer(width: usize, height: usize, buffer: &[u8]) -> Self {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Control`
[INFO] [stderr]  --> src/gui/ui/display.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Control {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Display`
[INFO] [stderr]  --> src/gui/ui/display.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Display {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `control`
[INFO] [stderr]   --> src/gui/ui/display.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn control(&self) -> &Control {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `text`
[INFO] [stderr]   --> src/gui/ui/text_panel.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn text(&self) -> &str {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mm` (bin "mm" test) generated 13 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mm-69bcfe7cb8fbb28a)
[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" "250ebaa671c38ff9bd195461a8fdb5d7547b302e2f97aebb64d9726cdb2d2275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "250ebaa671c38ff9bd195461a8fdb5d7547b302e2f97aebb64d9726cdb2d2275", kill_on_drop: false }`
[INFO] [stdout] 250ebaa671c38ff9bd195461a8fdb5d7547b302e2f97aebb64d9726cdb2d2275