[INFO] cloning repository https://github.com/Chroniaro/PerfectTurtleRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Chroniaro/PerfectTurtleRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChroniaro%2FPerfectTurtleRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChroniaro%2FPerfectTurtleRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e54b8a062b830fcddb33605b06ddb5c0944f25e4
[INFO] checking Chroniaro/PerfectTurtleRust against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChroniaro%2FPerfectTurtleRust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Chroniaro/PerfectTurtleRust on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Chroniaro/PerfectTurtleRust
[INFO] finished tweaking git repo https://github.com/Chroniaro/PerfectTurtleRust
[INFO] tweaked toml for git repo https://github.com/Chroniaro/PerfectTurtleRust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Chroniaro/PerfectTurtleRust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", 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] 7da14c97e85837cd6a67753724bca1835e6ed22da6521a6b38afa83b0fdb0c86
[INFO] running `Command { std: "docker" "start" "-a" "7da14c97e85837cd6a67753724bca1835e6ed22da6521a6b38afa83b0fdb0c86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7da14c97e85837cd6a67753724bca1835e6ed22da6521a6b38afa83b0fdb0c86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7da14c97e85837cd6a67753724bca1835e6ed22da6521a6b38afa83b0fdb0c86", kill_on_drop: false }`
[INFO] [stdout] 7da14c97e85837cd6a67753724bca1835e6ed22da6521a6b38afa83b0fdb0c86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--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] c659b8b66f164575cbe1154159a28f08c6887feb0c2e106040220062c647c663
[INFO] running `Command { std: "docker" "start" "-a" "c659b8b66f164575cbe1154159a28f08c6887feb0c2e106040220062c647c663", kill_on_drop: false }`
[INFO] [stderr]     Checking turtle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new_strict`
[INFO] [stdout]   --> src/turtle_board.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn new_strict() -> TurtleBoard {
[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: `contains_vertical_line`
[INFO] [stdout]    --> src/turtle_board.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn contains_vertical_line(&self, x: i32, ys: Range<i32>) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains_horizontal_line`
[INFO] [stdout]    --> src/turtle_board.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn contains_horizontal_line(&self, xs: Range<i32>, y: i32) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "c659b8b66f164575cbe1154159a28f08c6887feb0c2e106040220062c647c663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c659b8b66f164575cbe1154159a28f08c6887feb0c2e106040220062c647c663", kill_on_drop: false }`
[INFO] [stdout] c659b8b66f164575cbe1154159a28f08c6887feb0c2e106040220062c647c663