[INFO] cloning repository https://github.com/wrac4242/reaction-diffusion
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wrac4242/reaction-diffusion" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwrac4242%2Freaction-diffusion", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwrac4242%2Freaction-diffusion'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 614e769f0566835ce173015e35341e97f588a0bd
[INFO] testing wrac4242/reaction-diffusion against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwrac4242%2Freaction-diffusion" "/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/wrac4242/reaction-diffusion on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wrac4242/reaction-diffusion
[INFO] finished tweaking git repo https://github.com/wrac4242/reaction-diffusion
[INFO] tweaked toml for git repo https://github.com/wrac4242/reaction-diffusion written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/wrac4242/reaction-diffusion already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e21af9b7f45b9b01c23b4945a0484e7ef71498eba7494707cf9b46837f8d741f
[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" "e21af9b7f45b9b01c23b4945a0484e7ef71498eba7494707cf9b46837f8d741f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e21af9b7f45b9b01c23b4945a0484e7ef71498eba7494707cf9b46837f8d741f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e21af9b7f45b9b01c23b4945a0484e7ef71498eba7494707cf9b46837f8d741f", kill_on_drop: false }`
[INFO] [stdout] e21af9b7f45b9b01c23b4945a0484e7ef71498eba7494707cf9b46837f8d741f
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb5849e949eeeeed4f6af62f3314daa487b9123d0801433f6f9983d76ca34d84
[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" "fb5849e949eeeeed4f6af62f3314daa487b9123d0801433f6f9983d76ca34d84", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling reaction_diffusion v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.62s
[INFO] running `Command { std: "docker" "inspect" "fb5849e949eeeeed4f6af62f3314daa487b9123d0801433f6f9983d76ca34d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb5849e949eeeeed4f6af62f3314daa487b9123d0801433f6f9983d76ca34d84", kill_on_drop: false }`
[INFO] [stdout] fb5849e949eeeeed4f6af62f3314daa487b9123d0801433f6f9983d76ca34d84
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82d530aef9814df5461c548f998484329befc566d5e1192d9452b38cb20f2582
[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" "82d530aef9814df5461c548f998484329befc566d5e1192d9452b38cb20f2582", kill_on_drop: false }`
[INFO] [stderr]    Compiling reaction_diffusion v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `array`
[INFO] [stdout]    --> src/main.rs:295:13
[INFO] [stdout]     |
[INFO] [stdout] 295 |     let mut array = Grid::new(3, 3);
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_array`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 295 |     let mut array = Grid::new(3, 3);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "82d530aef9814df5461c548f998484329befc566d5e1192d9452b38cb20f2582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82d530aef9814df5461c548f998484329befc566d5e1192d9452b38cb20f2582", kill_on_drop: false }`
[INFO] [stdout] 82d530aef9814df5461c548f998484329befc566d5e1192d9452b38cb20f2582
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fb631cef7eb50074c20250d78b41d35ef4f4195ebd1994deeb2f5c491b30f33d
[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" "fb631cef7eb50074c20250d78b41d35ef4f4195ebd1994deeb2f5c491b30f33d", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `array`
[INFO] [stderr]    --> src/main.rs:295:13
[INFO] [stderr]     |
[INFO] [stderr] 295 |     let mut array = Grid::new(3, 3);
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_array`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:295:9
[INFO] [stderr]     |
[INFO] [stderr] 295 |     let mut array = Grid::new(3, 3);
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `reaction_diffusion` (bin "reaction_diffusion" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/reaction_diffusion-85868ab1b9323b7e)
[INFO] [stdout] running 6 tests
[INFO] [stdout] test checks_cell_update::a_in ... ok
[INFO] [stdout] test checks_cell_update::a_surround ... ok
[INFO] [stdout] test checks_cell_update::b_surround ... ok
[INFO] [stdout] test checks_cell_update::both_in ... ok
[INFO] [stdout] test checks_cell_update::b_in ... ok
[INFO] [stdout] test check_grid::grid_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fb631cef7eb50074c20250d78b41d35ef4f4195ebd1994deeb2f5c491b30f33d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb631cef7eb50074c20250d78b41d35ef4f4195ebd1994deeb2f5c491b30f33d", kill_on_drop: false }`
[INFO] [stdout] fb631cef7eb50074c20250d78b41d35ef4f4195ebd1994deeb2f5c491b30f33d