[INFO] cloning repository https://github.com/aadroher/game-of-rife
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aadroher/game-of-rife" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faadroher%2Fgame-of-rife", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faadroher%2Fgame-of-rife'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d098dcd63828deb8aa39eabff126f55ee630193
[INFO] checking aadroher/game-of-rife against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faadroher%2Fgame-of-rife" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aadroher/game-of-rife on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aadroher/game-of-rife
[INFO] finished tweaking git repo https://github.com/aadroher/game-of-rife
[INFO] tweaked toml for git repo https://github.com/aadroher/game-of-rife written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/aadroher/game-of-rife already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fc1da1f18775e931b43fc4823b47ec08d6c18bd73ebf87c22059e4b8157554b
[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" "2fc1da1f18775e931b43fc4823b47ec08d6c18bd73ebf87c22059e4b8157554b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fc1da1f18775e931b43fc4823b47ec08d6c18bd73ebf87c22059e4b8157554b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fc1da1f18775e931b43fc4823b47ec08d6c18bd73ebf87c22059e4b8157554b", kill_on_drop: false }`
[INFO] [stdout] 2fc1da1f18775e931b43fc4823b47ec08d6c18bd73ebf87c22059e4b8157554b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec1cb7bdbb98cfc928c9cff578cc55a7a2c48a1a7d940fe77ccdcbb17381a49b
[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" "ec1cb7bdbb98cfc928c9cff578cc55a7a2c48a1a7d940fe77ccdcbb17381a49b", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking sized-chunks v0.6.2
[INFO] [stderr]     Checking game-of-rife v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `new_world`
[INFO] [stdout]   --> src/world.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn new_world(cells: Vec<Cell>) -> World {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `with_neighbours`
[INFO] [stdout]   --> src/world.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn with_neighbours(cell: &Cell) -> HashSet<Cell> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_candidates`
[INFO] [stdout]   --> src/world.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn get_candidates(cells: &HashSet<Cell>) -> HashSet<Cell> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_num_neighbours`
[INFO] [stdout]   --> src/world.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn get_num_neighbours(world_cells: &HashSet<Cell>, cell: &Cell) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `next_tick`
[INFO] [stdout]   --> src/world.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn next_tick(world: World) -> World {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.32s
[INFO] running `Command { std: "docker" "inspect" "ec1cb7bdbb98cfc928c9cff578cc55a7a2c48a1a7d940fe77ccdcbb17381a49b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec1cb7bdbb98cfc928c9cff578cc55a7a2c48a1a7d940fe77ccdcbb17381a49b", kill_on_drop: false }`
[INFO] [stdout] ec1cb7bdbb98cfc928c9cff578cc55a7a2c48a1a7d940fe77ccdcbb17381a49b