[INFO] cloning repository https://github.com/luontola/rust-game-of-life
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luontola/rust-game-of-life" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluontola%2Frust-game-of-life", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluontola%2Frust-game-of-life'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45914d15bc85de076376d0bc9b459962cc301438
[INFO] testing luontola/rust-game-of-life against 1.98.0-beta.8+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluontola%2Frust-game-of-life" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/luontola/rust-game-of-life
[INFO] finished tweaking git repo https://github.com/luontola/rust-game-of-life
[INFO] tweaked toml for git repo https://github.com/luontola/rust-game-of-life written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/luontola/rust-game-of-life on toolchain 1.98.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/luontola/rust-game-of-life 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" "+1.98.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 672e617ee0ef798a21772c84116e02505ed068bf58d71f0bc1764c2a70213ef1
[INFO] running `Command { std: "docker" "start" "672e617ee0ef798a21772c84116e02505ed068bf58d71f0bc1764c2a70213ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "672e617ee0ef798a21772c84116e02505ed068bf58d71f0bc1764c2a70213ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "672e617ee0ef798a21772c84116e02505ed068bf58d71f0bc1764c2a70213ef1" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "672e617ee0ef798a21772c84116e02505ed068bf58d71f0bc1764c2a70213ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "672e617ee0ef798a21772c84116e02505ed068bf58d71f0bc1764c2a70213ef1" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-game-of-life v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cell` is never constructed
[INFO] [stdout]  --> src/main.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Cell {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `neighbours` is never used
[INFO] [stdout]   --> src/main.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn neighbours( cell: Cell ) -> Vec<Cell> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next_generation` is never used
[INFO] [stdout]   --> src/main.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn next_generation( alive_cells: &HashSet<Cell> ) -> HashSet<Cell> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "672e617ee0ef798a21772c84116e02505ed068bf58d71f0bc1764c2a70213ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "672e617ee0ef798a21772c84116e02505ed068bf58d71f0bc1764c2a70213ef1" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-game-of-life v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `test_next_generation_blinker` is never used
[INFO] [stdout]   --> src/main.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn test_next_generation_blinker() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "672e617ee0ef798a21772c84116e02505ed068bf58d71f0bc1764c2a70213ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "672e617ee0ef798a21772c84116e02505ed068bf58d71f0bc1764c2a70213ef1" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: function `test_next_generation_blinker` is never used
[INFO] [stderr]   --> src/main.rs:72:8
[INFO] [stderr]    |
[INFO] [stderr] 72 |     fn test_next_generation_blinker() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-game-of-life` (bin "rust-game-of-life" test) generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/rust_game_of_life-e376b9cd6c2e9a28)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_cell_equality ... ok
[INFO] [stdout] test tests::test_cell_neighbours ... ok
[INFO] [stdout] test tests::test_next_generation_square ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "672e617ee0ef798a21772c84116e02505ed068bf58d71f0bc1764c2a70213ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "672e617ee0ef798a21772c84116e02505ed068bf58d71f0bc1764c2a70213ef1", kill_on_drop: false }`
[INFO] [stdout] 672e617ee0ef798a21772c84116e02505ed068bf58d71f0bc1764c2a70213ef1
