[INFO] cloning repository https://github.com/Moshizzl3/rust-robot-project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Moshizzl3/rust-robot-project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoshizzl3%2Frust-robot-project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoshizzl3%2Frust-robot-project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 888b6c8dfbe275e04ac1369acfa605c95aa4723d
[INFO] testing Moshizzl3/rust-robot-project against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoshizzl3%2Frust-robot-project" "/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/Moshizzl3/rust-robot-project
[INFO] finished tweaking git repo https://github.com/Moshizzl3/rust-robot-project
[INFO] tweaked toml for git repo https://github.com/Moshizzl3/rust-robot-project written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Moshizzl3/rust-robot-project on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Moshizzl3/rust-robot-project 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" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rppal v0.22.1
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63c2a8ca308f70afab9af452fe62ad976f543a2bcbf892959a9eb4e0eab9282d
[INFO] running `Command { std: "docker" "start" "-a" "63c2a8ca308f70afab9af452fe62ad976f543a2bcbf892959a9eb4e0eab9282d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63c2a8ca308f70afab9af452fe62ad976f543a2bcbf892959a9eb4e0eab9282d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c2a8ca308f70afab9af452fe62ad976f543a2bcbf892959a9eb4e0eab9282d", kill_on_drop: false }`
[INFO] [stdout] 63c2a8ca308f70afab9af452fe62ad976f543a2bcbf892959a9eb4e0eab9282d
[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=forbid" "-e" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] e89a2ff6000e1f8270e90fcf39287f1572a31b58bd0a96b31a6260b00b4f077a
[INFO] running `Command { std: "docker" "start" "-a" "e89a2ff6000e1f8270e90fcf39287f1572a31b58bd0a96b31a6260b00b4f077a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rppal v0.22.1
[INFO] [stderr]    Compiling robot_controller v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `pin` is never read
[INFO] [stdout]  --> src/robot/line_sensor.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct LineSensor {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 6 |     pin: InputPin,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_on_line` and `is_on_white` are never used
[INFO] [stdout]   --> src/robot/line_sensor.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl LineSensor {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn is_on_line(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn is_on_white(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `line_sensor` is never read
[INFO] [stdout]   --> src/robot/robot.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Robot {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     line_sensor: LineSensor,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `turn_left`, `spin_left`, `spin_right`, and `follow_line` are never used
[INFO] [stdout]   --> src/robot/robot.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Robot {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn turn_left(&mut self) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn spin_left(&mut self) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn spin_right(&mut self) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn follow_line(&mut self, speed: f64) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/robot/robot.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |             self.forward(speed);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 77 |             let _ = self.forward(speed);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/robot/robot.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |             self.turn_right();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let _ = self.turn_right();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "e89a2ff6000e1f8270e90fcf39287f1572a31b58bd0a96b31a6260b00b4f077a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e89a2ff6000e1f8270e90fcf39287f1572a31b58bd0a96b31a6260b00b4f077a", kill_on_drop: false }`
[INFO] [stdout] e89a2ff6000e1f8270e90fcf39287f1572a31b58bd0a96b31a6260b00b4f077a
[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=forbid" "-e" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 65a22b81673b8765d5dc954a1935b3a280529ef130b7d6320ae508fbc361f44a
[INFO] running `Command { std: "docker" "start" "-a" "65a22b81673b8765d5dc954a1935b3a280529ef130b7d6320ae508fbc361f44a", kill_on_drop: false }`
[INFO] [stderr]    Compiling robot_controller v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `pin` is never read
[INFO] [stdout]  --> src/robot/line_sensor.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct LineSensor {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 6 |     pin: InputPin,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_on_line` and `is_on_white` are never used
[INFO] [stdout]   --> src/robot/line_sensor.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl LineSensor {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn is_on_line(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn is_on_white(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `line_sensor` is never read
[INFO] [stdout]   --> src/robot/robot.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Robot {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     line_sensor: LineSensor,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `turn_left`, `spin_left`, `spin_right`, and `follow_line` are never used
[INFO] [stdout]   --> src/robot/robot.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Robot {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn turn_left(&mut self) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn spin_left(&mut self) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn spin_right(&mut self) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn follow_line(&mut self, speed: f64) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/robot/robot.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |             self.forward(speed);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 77 |             let _ = self.forward(speed);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/robot/robot.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |             self.turn_right();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let _ = self.turn_right();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "65a22b81673b8765d5dc954a1935b3a280529ef130b7d6320ae508fbc361f44a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a22b81673b8765d5dc954a1935b3a280529ef130b7d6320ae508fbc361f44a", kill_on_drop: false }`
[INFO] [stdout] 65a22b81673b8765d5dc954a1935b3a280529ef130b7d6320ae508fbc361f44a
[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=forbid" "-e" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 912812db89e0547d24c96912552ce2c6312845ab0ba0bef36b9e8481e1b7d7df
[INFO] running `Command { std: "docker" "start" "-a" "912812db89e0547d24c96912552ce2c6312845ab0ba0bef36b9e8481e1b7d7df", kill_on_drop: false }`
[INFO] [stderr] warning: field `pin` is never read
[INFO] [stderr]  --> src/robot/line_sensor.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct LineSensor {
[INFO] [stderr]   |            ---------- field in this struct
[INFO] [stderr] 6 |     pin: InputPin,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `is_on_line` and `is_on_white` are never used
[INFO] [stderr]   --> src/robot/line_sensor.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr]  9 | impl LineSensor {
[INFO] [stderr]    | --------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 16 |     pub fn is_on_line(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     pub fn is_on_white(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `line_sensor` is never read
[INFO] [stderr]   --> src/robot/robot.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Robot {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 14 |     line_sensor: LineSensor,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `turn_left`, `spin_left`, `spin_right`, and `follow_line` are never used
[INFO] [stderr]   --> src/robot/robot.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl Robot {
[INFO] [stderr]    | ---------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 47 |     pub fn turn_left(&mut self) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 54 |     pub fn spin_left(&mut self) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 61 |     pub fn spin_right(&mut self) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 75 |     pub fn follow_line(&mut self, speed: f64) {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/robot/robot.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |             self.forward(speed);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 77 |             let _ = self.forward(speed);
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/robot/robot.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |             self.turn_right();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 79 |             let _ = self.turn_right();
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `robot_controller` (bin "robot_controller" test) generated 6 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/build/robot_controller/eed9f2f489a5124c/deps/robot_controller-eed9f2f489a5124c)
[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" "912812db89e0547d24c96912552ce2c6312845ab0ba0bef36b9e8481e1b7d7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "912812db89e0547d24c96912552ce2c6312845ab0ba0bef36b9e8481e1b7d7df", kill_on_drop: false }`
[INFO] [stdout] 912812db89e0547d24c96912552ce2c6312845ab0ba0bef36b9e8481e1b7d7df