[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-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwrac4242%2Freaction-diffusion" "/workspace/builds/worker-110/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-110/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wrac4242/reaction-diffusion on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-110/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-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72765c522f4e188f9a129469e660e3603bc8629c88bf2f3125183066f9692e10
[INFO] running `Command { std: "docker" "start" "-a" "72765c522f4e188f9a129469e660e3603bc8629c88bf2f3125183066f9692e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72765c522f4e188f9a129469e660e3603bc8629c88bf2f3125183066f9692e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72765c522f4e188f9a129469e660e3603bc8629c88bf2f3125183066f9692e10", kill_on_drop: false }`
[INFO] [stdout] 72765c522f4e188f9a129469e660e3603bc8629c88bf2f3125183066f9692e10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb691f8d00c7b04888253e3eab10f6f8679ff60154d162f75cb7418ad2e95d49
[INFO] running `Command { std: "docker" "start" "-a" "eb691f8d00c7b04888253e3eab10f6f8679ff60154d162f75cb7418ad2e95d49", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[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 34.19s
[INFO] running `Command { std: "docker" "inspect" "eb691f8d00c7b04888253e3eab10f6f8679ff60154d162f75cb7418ad2e95d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb691f8d00c7b04888253e3eab10f6f8679ff60154d162f75cb7418ad2e95d49", kill_on_drop: false }`
[INFO] [stdout] eb691f8d00c7b04888253e3eab10f6f8679ff60154d162f75cb7418ad2e95d49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dd64865ca0c750c8cbd9bf632407499fc5f773bef20ab870fc4cd4e91a75ca8
[INFO] running `Command { std: "docker" "start" "-a" "7dd64865ca0c750c8cbd9bf632407499fc5f773bef20ab870fc4cd4e91a75ca8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 2.15s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/reaction_diffusion-4725c17b8406cae4)
[INFO] running `Command { std: "docker" "inspect" "7dd64865ca0c750c8cbd9bf632407499fc5f773bef20ab870fc4cd4e91a75ca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dd64865ca0c750c8cbd9bf632407499fc5f773bef20ab870fc4cd4e91a75ca8", kill_on_drop: false }`
[INFO] [stdout] 7dd64865ca0c750c8cbd9bf632407499fc5f773bef20ab870fc4cd4e91a75ca8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 91b27b1ab9c3347f1f375566b4b5f421fb938d9c486cfa30ebe2b4427848bec9
[INFO] running `Command { std: "docker" "start" "-a" "91b27b1ab9c3347f1f375566b4b5f421fb938d9c486cfa30ebe2b4427848bec9", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `array`
[INFO] [stdout] 
[INFO] [stderr]    --> src/main.rs:295:13
[INFO] [stdout] running 6 tests
[INFO] [stderr]     |
[INFO] [stdout] test check_grid::grid_test ... ok
[INFO] [stderr] 295 |     let mut array = Grid::new(3, 3);
[INFO] [stdout] test checks_cell_update::a_in ... ok
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_array`
[INFO] [stdout] test checks_cell_update::a_surround ... ok
[INFO] [stderr]     |
[INFO] [stdout] test checks_cell_update::b_in ... ok
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] test checks_cell_update::b_surround ... ok
[INFO] [stderr] 
[INFO] [stdout] test checks_cell_update::both_in ... ok
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] 
[INFO] [stderr]    --> src/main.rs:295:9
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stderr]     |
[INFO] [stdout] 
[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 0.16s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/reaction_diffusion-4725c17b8406cae4)
[INFO] running `Command { std: "docker" "inspect" "91b27b1ab9c3347f1f375566b4b5f421fb938d9c486cfa30ebe2b4427848bec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91b27b1ab9c3347f1f375566b4b5f421fb938d9c486cfa30ebe2b4427848bec9", kill_on_drop: false }`
[INFO] [stdout] 91b27b1ab9c3347f1f375566b4b5f421fb938d9c486cfa30ebe2b4427848bec9