[INFO] cloning repository https://github.com/asimos-bot/conway_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asimos-bot/conway_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasimos-bot%2Fconway_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasimos-bot%2Fconway_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41bb49b7caafc9225233a61a5e86b1d195d8b341
[INFO] testing asimos-bot/conway_rust 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%2Fasimos-bot%2Fconway_rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asimos-bot/conway_rust 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/asimos-bot/conway_rust
[INFO] finished tweaking git repo https://github.com/asimos-bot/conway_rust
[INFO] tweaked toml for git repo https://github.com/asimos-bot/conway_rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/asimos-bot/conway_rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f4095a22c3025dd899cd0785fb7f2ec464ca95b9cfde301be95d694b1f20c90
[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" "5f4095a22c3025dd899cd0785fb7f2ec464ca95b9cfde301be95d694b1f20c90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f4095a22c3025dd899cd0785fb7f2ec464ca95b9cfde301be95d694b1f20c90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f4095a22c3025dd899cd0785fb7f2ec464ca95b9cfde301be95d694b1f20c90", kill_on_drop: false }`
[INFO] [stdout] 5f4095a22c3025dd899cd0785fb7f2ec464ca95b9cfde301be95d694b1f20c90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a403ef6bb57a568653b1d38d220aa51c6d1603d521e1b942a89d2e8b860440a
[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" "7a403ef6bb57a568653b1d38d220aa51c6d1603d521e1b942a89d2e8b860440a", kill_on_drop: false }`
[INFO] [stderr]    Compiling conway v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `neighbors`
[INFO] [stdout]   --> src/bin/main.rs:95:23
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn to_char(&self, neighbors : &Vec<Cell>) -> String {
[INFO] [stdout]    |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_neighbors`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "7a403ef6bb57a568653b1d38d220aa51c6d1603d521e1b942a89d2e8b860440a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a403ef6bb57a568653b1d38d220aa51c6d1603d521e1b942a89d2e8b860440a", kill_on_drop: false }`
[INFO] [stdout] 7a403ef6bb57a568653b1d38d220aa51c6d1603d521e1b942a89d2e8b860440a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", 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] a62305108a6058d0ee9b7a268324212409cc93d09f173a7a0a39c1f18b618559
[INFO] running `Command { std: "docker" "start" "-a" "a62305108a6058d0ee9b7a268324212409cc93d09f173a7a0a39c1f18b618559", kill_on_drop: false }`
[INFO] [stderr]    Compiling conway v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `neighbors`
[INFO] [stdout]   --> src/bin/main.rs:95:23
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn to_char(&self, neighbors : &Vec<Cell>) -> String {
[INFO] [stdout]    |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_neighbors`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] [stderr]   Executable unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/main-26f985cd576f3462)
[INFO] running `Command { std: "docker" "inspect" "a62305108a6058d0ee9b7a268324212409cc93d09f173a7a0a39c1f18b618559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a62305108a6058d0ee9b7a268324212409cc93d09f173a7a0a39c1f18b618559", kill_on_drop: false }`
[INFO] [stdout] a62305108a6058d0ee9b7a268324212409cc93d09f173a7a0a39c1f18b618559
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 415bfe31a3501c55484ba722646d748499669a594f079b149b1ae94a53dd51e1
[INFO] running `Command { std: "docker" "start" "-a" "415bfe31a3501c55484ba722646d748499669a594f079b149b1ae94a53dd51e1", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `neighbors`
[INFO] [stderr]   --> src/bin/main.rs:95:23
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn to_char(&self, neighbors : &Vec<Cell>) -> String {
[INFO] [stderr]    |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_neighbors`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `conway` (bin "main" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/main-26f985cd576f3462)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "415bfe31a3501c55484ba722646d748499669a594f079b149b1ae94a53dd51e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "415bfe31a3501c55484ba722646d748499669a594f079b149b1ae94a53dd51e1", kill_on_drop: false }`
[INFO] [stdout] 415bfe31a3501c55484ba722646d748499669a594f079b149b1ae94a53dd51e1