[INFO] cloning repository https://github.com/coolshaurya/chinese_checkers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coolshaurya/chinese_checkers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoolshaurya%2Fchinese_checkers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoolshaurya%2Fchinese_checkers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb8de0eaec6c74056e53b7b95fa430335bfe15ce
[INFO] checking coolshaurya/chinese_checkers against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoolshaurya%2Fchinese_checkers" "/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/coolshaurya/chinese_checkers on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/coolshaurya/chinese_checkers
[INFO] finished tweaking git repo https://github.com/coolshaurya/chinese_checkers
[INFO] tweaked toml for git repo https://github.com/coolshaurya/chinese_checkers written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/coolshaurya/chinese_checkers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f4bdc58c87d19448c67c6c6913ac54360b402bf9cfd291d97c3e6ca8d64a835
[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" "6f4bdc58c87d19448c67c6c6913ac54360b402bf9cfd291d97c3e6ca8d64a835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f4bdc58c87d19448c67c6c6913ac54360b402bf9cfd291d97c3e6ca8d64a835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f4bdc58c87d19448c67c6c6913ac54360b402bf9cfd291d97c3e6ca8d64a835", kill_on_drop: false }`
[INFO] [stdout] 6f4bdc58c87d19448c67c6c6913ac54360b402bf9cfd291d97c3e6ca8d64a835
[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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "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] 864923d2582bfb5052d63c85a96ce1fb22f2b28cc43dd764d524dd89e17570d8
[INFO] running `Command { std: "docker" "start" "-a" "864923d2582bfb5052d63c85a96ce1fb22f2b28cc43dd764d524dd89e17570d8", kill_on_drop: false }`
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[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]     Checking rand_chacha v0.2.2
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[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking euclid v0.19.9
[INFO] [stderr]     Checking wayland-commons v0.23.6
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[INFO] [stderr]     Checking winit v0.22.2
[INFO] [stderr]     Checking glutin v0.24.1
[INFO] [stderr]     Checking chinese_checkers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `forward`
[INFO] [stdout]   --> src/board.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn forward(self) -> 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: `opposite`
[INFO] [stdout]   --> src/board.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn opposite(self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]   --> src/board.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn is_empty(self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_full`
[INFO] [stdout]   --> src/board.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn is_full(self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_player`
[INFO] [stdout]    --> src/board.rs:250:12
[INFO] [stdout]     |
[INFO] [stdout] 250 |     pub fn remove_player(&mut self, coord: HexCoord) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `forward`
[INFO] [stdout]   --> src/board.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn forward(self) -> 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: `opposite`
[INFO] [stdout]   --> src/board.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn opposite(self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]   --> src/board.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn is_empty(self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_full`
[INFO] [stdout]   --> src/board.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn is_full(self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_player`
[INFO] [stdout]    --> src/board.rs:250:12
[INFO] [stdout]     |
[INFO] [stdout] 250 |     pub fn remove_player(&mut self, coord: HexCoord) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "864923d2582bfb5052d63c85a96ce1fb22f2b28cc43dd764d524dd89e17570d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "864923d2582bfb5052d63c85a96ce1fb22f2b28cc43dd764d524dd89e17570d8", kill_on_drop: false }`
[INFO] [stdout] 864923d2582bfb5052d63c85a96ce1fb22f2b28cc43dd764d524dd89e17570d8