[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] checking Moshizzl3/rust-robot-project against try#54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47 for pr-153041
[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 54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "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" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3634d7df6d09c6bc62bc6d20f1523335a5ddc1177793d8e0ed701d9064746412
[INFO] running `Command { std: "docker" "start" "-a" "3634d7df6d09c6bc62bc6d20f1523335a5ddc1177793d8e0ed701d9064746412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3634d7df6d09c6bc62bc6d20f1523335a5ddc1177793d8e0ed701d9064746412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3634d7df6d09c6bc62bc6d20f1523335a5ddc1177793d8e0ed701d9064746412", kill_on_drop: false }`
[INFO] [stdout] 3634d7df6d09c6bc62bc6d20f1523335a5ddc1177793d8e0ed701d9064746412
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e8544ad01dbd7dffba4fc84eb1a06bd65a97efc689a868cea99216389187289
[INFO] running `Command { std: "docker" "start" "-a" "6e8544ad01dbd7dffba4fc84eb1a06bd65a97efc689a868cea99216389187289", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]     Checking rppal v0.22.1
[INFO] [stderr]     Checking 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] [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 2.28s
[INFO] running `Command { std: "docker" "inspect" "6e8544ad01dbd7dffba4fc84eb1a06bd65a97efc689a868cea99216389187289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e8544ad01dbd7dffba4fc84eb1a06bd65a97efc689a868cea99216389187289", kill_on_drop: false }`
[INFO] [stdout] 6e8544ad01dbd7dffba4fc84eb1a06bd65a97efc689a868cea99216389187289
