[INFO] cloning repository https://github.com/ltriant/atari2600
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ltriant/atari2600" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fltriant%2Fatari2600", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fltriant%2Fatari2600'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6eb7dc63af416fcd390a965668d260b55f84edd1
[INFO] testing ltriant/atari2600 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fltriant%2Fatari2600" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ltriant/atari2600 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ltriant/atari2600
[INFO] finished tweaking git repo https://github.com/ltriant/atari2600
[INFO] tweaked toml for git repo https://github.com/ltriant/atari2600 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ltriant/atari2600 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex v1.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1266e8d51a73a7dd6f580e8b89c5e9713429dc41587c683a8b920f28817b5c80
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1266e8d51a73a7dd6f580e8b89c5e9713429dc41587c683a8b920f28817b5c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1266e8d51a73a7dd6f580e8b89c5e9713429dc41587c683a8b920f28817b5c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1266e8d51a73a7dd6f580e8b89c5e9713429dc41587c683a8b920f28817b5c80", kill_on_drop: false }`
[INFO] [stdout] 1266e8d51a73a7dd6f580e8b89c5e9713429dc41587c683a8b920f28817b5c80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0500469040a9d96cce430b6c2cb86f2dc89710860eeaffb59aa118438a8419dd
[INFO] running `Command { std: "docker" "start" "-a" "0500469040a9d96cce430b6c2cb86f2dc89710860eeaffb59aa118438a8419dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling sdl2 v0.33.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling sdl2-sys v0.33.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling atari2600 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/tia.rs:299:24
[INFO] [stdout]     |
[INFO] [stdout] 299 |     fn read(&mut self, address: u16) -> u8 {
[INFO] [stdout]     |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]   --> src/tia/ball.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     x: usize,
[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: `enabled`
[INFO] [stdout]   --> src/tia/ball.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn enabled(&self) -> bool { self.enabled }
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `tick_hblank`
[INFO] [stdout]   --> src/tia/ball.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn tick_hblank(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_value`
[INFO] [stdout]   --> src/tia/counter.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn set_value(&mut self, val: u8) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `apply_hmove`
[INFO] [stdout]   --> src/tia/counter.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn apply_hmove(&mut self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `vblank`
[INFO] [stdout]   --> src/tia.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     vblank: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `p0_ctr`
[INFO] [stdout]   --> src/tia.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     p0_ctr: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `p1_ctr`
[INFO] [stdout]   --> src/tia.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     p1_ctr: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `m0_ctr`
[INFO] [stdout]   --> src/tia.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     m0_ctr: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `m1_ctr`
[INFO] [stdout]   --> src/tia.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     m1_ctr: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `tick`
[INFO] [stdout]    --> src/tia.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn tick(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.52s
[INFO] running `Command { std: "docker" "inspect" "0500469040a9d96cce430b6c2cb86f2dc89710860eeaffb59aa118438a8419dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0500469040a9d96cce430b6c2cb86f2dc89710860eeaffb59aa118438a8419dd", kill_on_drop: false }`
[INFO] [stdout] 0500469040a9d96cce430b6c2cb86f2dc89710860eeaffb59aa118438a8419dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 017800d2b3c657c840190fc4acfb350ebbf43aa8f2779af196f2d043280c3ab4
[INFO] running `Command { std: "docker" "start" "-a" "017800d2b3c657c840190fc4acfb350ebbf43aa8f2779af196f2d043280c3ab4", kill_on_drop: false }`
[INFO] [stderr]    Compiling atari2600 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/tia.rs:299:24
[INFO] [stdout]     |
[INFO] [stdout] 299 |     fn read(&mut self, address: u16) -> u8 {
[INFO] [stdout]     |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]   --> src/tia/ball.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     x: usize,
[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: `enabled`
[INFO] [stdout]   --> src/tia/ball.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn enabled(&self) -> bool { self.enabled }
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `tick_hblank`
[INFO] [stdout]   --> src/tia/ball.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn tick_hblank(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_value`
[INFO] [stdout]   --> src/tia/counter.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn set_value(&mut self, val: u8) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `apply_hmove`
[INFO] [stdout]   --> src/tia/counter.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn apply_hmove(&mut self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `vblank`
[INFO] [stdout]   --> src/tia.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     vblank: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `p0_ctr`
[INFO] [stdout]   --> src/tia.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     p0_ctr: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `p1_ctr`
[INFO] [stdout]   --> src/tia.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     p1_ctr: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `m0_ctr`
[INFO] [stdout]   --> src/tia.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     m0_ctr: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `m1_ctr`
[INFO] [stdout]   --> src/tia.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     m1_ctr: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `tick`
[INFO] [stdout]    --> src/tia.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn tick(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "017800d2b3c657c840190fc4acfb350ebbf43aa8f2779af196f2d043280c3ab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "017800d2b3c657c840190fc4acfb350ebbf43aa8f2779af196f2d043280c3ab4", kill_on_drop: false }`
[INFO] [stdout] 017800d2b3c657c840190fc4acfb350ebbf43aa8f2779af196f2d043280c3ab4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 49f023c45e791a851ce4148cbd0fe0490c0477072525b9c37ee7b73469f7277b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "49f023c45e791a851ce4148cbd0fe0490c0477072525b9c37ee7b73469f7277b", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `address`
[INFO] [stderr]    --> src/tia.rs:299:24
[INFO] [stderr]     |
[INFO] [stderr] 299 |     fn read(&mut self, address: u16) -> u8 {
[INFO] [stderr]     |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `x`
[INFO] [stderr]   --> src/tia/ball.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     x: usize,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `enabled`
[INFO] [stderr]   --> src/tia/ball.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn enabled(&self) -> bool { self.enabled }
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `tick_hblank`
[INFO] [stderr]   --> src/tia/ball.rs:72:12
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn tick_hblank(&mut self) {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_value`
[INFO] [stderr]   --> src/tia/counter.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn set_value(&mut self, val: u8) {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `apply_hmove`
[INFO] [stderr]   --> src/tia/counter.rs:59:12
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn apply_hmove(&mut self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `vblank`
[INFO] [stderr]   --> src/tia.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     vblank: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `p0_ctr`
[INFO] [stderr]   --> src/tia.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     p0_ctr: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `p1_ctr`
[INFO] [stderr]   --> src/tia.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     p1_ctr: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `m0_ctr`
[INFO] [stderr]   --> src/tia.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     m0_ctr: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `m1_ctr`
[INFO] [stderr]   --> src/tia.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     m1_ctr: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `tick`
[INFO] [stderr]    --> src/tia.rs:132:8
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn tick(&mut self) {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/atari2600-d7c06d1805884955)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tia::counter::tests::test_clocking ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "49f023c45e791a851ce4148cbd0fe0490c0477072525b9c37ee7b73469f7277b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49f023c45e791a851ce4148cbd0fe0490c0477072525b9c37ee7b73469f7277b", kill_on_drop: false }`
[INFO] [stdout] 49f023c45e791a851ce4148cbd0fe0490c0477072525b9c37ee7b73469f7277b