[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-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwrac4242%2Freaction-diffusion" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wrac4242/reaction-diffusion on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-7/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-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 536694da5960739aa81e7b78aaacfe63b9996638ca17a2415cc0487bf78963a6
[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" "536694da5960739aa81e7b78aaacfe63b9996638ca17a2415cc0487bf78963a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "536694da5960739aa81e7b78aaacfe63b9996638ca17a2415cc0487bf78963a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "536694da5960739aa81e7b78aaacfe63b9996638ca17a2415cc0487bf78963a6", kill_on_drop: false }`
[INFO] [stdout] 536694da5960739aa81e7b78aaacfe63b9996638ca17a2415cc0487bf78963a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dd14e590e8b0b39b74c94b499e222c62892e5646e994adf2af853ef42f263d6
[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" "1dd14e590e8b0b39b74c94b499e222c62892e5646e994adf2af853ef42f263d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rayon v1.5.1
[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 22.44s
[INFO] running `Command { std: "docker" "inspect" "1dd14e590e8b0b39b74c94b499e222c62892e5646e994adf2af853ef42f263d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dd14e590e8b0b39b74c94b499e222c62892e5646e994adf2af853ef42f263d6", kill_on_drop: false }`
[INFO] [stdout] 1dd14e590e8b0b39b74c94b499e222c62892e5646e994adf2af853ef42f263d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba60a9b998fc606c591f3204c326d140b96f4797d73d224fd3f37d54be70b4ea
[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" "ba60a9b998fc606c591f3204c326d140b96f4797d73d224fd3f37d54be70b4ea", 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 1.68s
[INFO] running `Command { std: "docker" "inspect" "ba60a9b998fc606c591f3204c326d140b96f4797d73d224fd3f37d54be70b4ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba60a9b998fc606c591f3204c326d140b96f4797d73d224fd3f37d54be70b4ea", kill_on_drop: false }`
[INFO] [stdout] ba60a9b998fc606c591f3204c326d140b96f4797d73d224fd3f37d54be70b4ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", 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] 99d10618be3d9a2ba6793d4e01316fab3135cfc0259c7a128d4c0490b210dbf4
[INFO] running `Command { std: "docker" "start" "-a" "99d10618be3d9a2ba6793d4e01316fab3135cfc0259c7a128d4c0490b210dbf4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `array`
[INFO] [stdout] running 6 tests
[INFO] [stderr]    --> src/main.rs:295:13
[INFO] [stdout] test checks_cell_update::a_in ... ok
[INFO] [stderr]     |
[INFO] [stdout] test checks_cell_update::b_in ... ok
[INFO] [stderr] 295 |     let mut array = Grid::new(3, 3);
[INFO] [stdout] test checks_cell_update::a_surround ... ok
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_array`
[INFO] [stdout] test checks_cell_update::both_in ... ok
[INFO] [stderr]     |
[INFO] [stdout] test check_grid::grid_test ... ok
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] test checks_cell_update::b_surround ... ok
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr]    --> src/main.rs:295:9
[INFO] [stdout] 
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/reaction_diffusion-4725c17b8406cae4)
[INFO] running `Command { std: "docker" "inspect" "99d10618be3d9a2ba6793d4e01316fab3135cfc0259c7a128d4c0490b210dbf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99d10618be3d9a2ba6793d4e01316fab3135cfc0259c7a128d4c0490b210dbf4", kill_on_drop: false }`
[INFO] [stdout] 99d10618be3d9a2ba6793d4e01316fab3135cfc0259c7a128d4c0490b210dbf4