[INFO] cloning repository https://github.com/andy-k/board
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andy-k/board" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandy-k%2Fboard", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandy-k%2Fboard'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ee3ff0ab6a93da9a9ec6f52f73af284bdd88c3c
[INFO] testing andy-k/board against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandy-k%2Fboard" "/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/andy-k/board on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andy-k/board
[INFO] finished tweaking git repo https://github.com/andy-k/board
[INFO] tweaked toml for git repo https://github.com/andy-k/board written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/andy-k/board already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af106612a3d9a052d36d377c81ded7826b1ad0501ddd6c628663ce0b8fab7a8a
[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" "af106612a3d9a052d36d377c81ded7826b1ad0501ddd6c628663ce0b8fab7a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af106612a3d9a052d36d377c81ded7826b1ad0501ddd6c628663ce0b8fab7a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af106612a3d9a052d36d377c81ded7826b1ad0501ddd6c628663ce0b8fab7a8a", kill_on_drop: false }`
[INFO] [stdout] af106612a3d9a052d36d377c81ded7826b1ad0501ddd6c628663ce0b8fab7a8a
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b043320c5a4de930030c079cbda6d5d028fc93fd27e4fd1d172c6a333ab4950d
[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" "b043320c5a4de930030c079cbda6d5d028fc93fd27e4fd1d172c6a333ab4950d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling board v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main_auto.rs:555:5
[INFO] [stdout]     |
[INFO] [stdout] 135 | /     loop {
[INFO] [stdout] 136 | |         let mut game_state = GameState::new(game_config);
[INFO] [stdout] 137 | |         let mut rack_tally = vec![0u8; game_config.alphabet().len() as usize].into_boxed_slice();
[INFO] [stdout] 138 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 552 | |         println!("final scrores");
[INFO] [stdout] 553 | |     } // temp loop
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 554 | 
[INFO] [stdout] 555 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 51.45s
[INFO] running `Command { std: "docker" "inspect" "b043320c5a4de930030c079cbda6d5d028fc93fd27e4fd1d172c6a333ab4950d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b043320c5a4de930030c079cbda6d5d028fc93fd27e4fd1d172c6a333ab4950d", kill_on_drop: false }`
[INFO] [stdout] b043320c5a4de930030c079cbda6d5d028fc93fd27e4fd1d172c6a333ab4950d
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 0432e4699ebd1c442a79fc10be85dcaf54d1546bc7890e8da9fd5ab43bb2dc13
[INFO] running `Command { std: "docker" "start" "-a" "0432e4699ebd1c442a79fc10be85dcaf54d1546bc7890e8da9fd5ab43bb2dc13", kill_on_drop: false }`
[INFO] [stderr]    Compiling board v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main_auto.rs:555:5
[INFO] [stdout]     |
[INFO] [stdout] 135 | /     loop {
[INFO] [stdout] 136 | |         let mut game_state = GameState::new(game_config);
[INFO] [stdout] 137 | |         let mut rack_tally = vec![0u8; game_config.alphabet().len() as usize].into_boxed_slice();
[INFO] [stdout] 138 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 552 | |         println!("final scrores");
[INFO] [stdout] 553 | |     } // temp loop
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 554 | 
[INFO] [stdout] 555 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "0432e4699ebd1c442a79fc10be85dcaf54d1546bc7890e8da9fd5ab43bb2dc13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0432e4699ebd1c442a79fc10be85dcaf54d1546bc7890e8da9fd5ab43bb2dc13", kill_on_drop: false }`
[INFO] [stdout] 0432e4699ebd1c442a79fc10be85dcaf54d1546bc7890e8da9fd5ab43bb2dc13
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1241c36d32abb0a8c90abc0edfc4b3998620b1f1df1e73d7157369d559e72077
[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" "1241c36d32abb0a8c90abc0edfc4b3998620b1f1df1e73d7157369d559e72077", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main_auto.rs:555:5
[INFO] [stderr]     |
[INFO] [stderr] 135 | /     loop {
[INFO] [stderr] 136 | |         let mut game_state = GameState::new(game_config);
[INFO] [stderr] 137 | |         let mut rack_tally = vec![0u8; game_config.alphabet().len() as usize].into_boxed_slice();
[INFO] [stderr] 138 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 552 | |         println!("final scrores");
[INFO] [stderr] 553 | |     } // temp loop
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 554 | 
[INFO] [stderr] 555 |       Ok(())
[INFO] [stderr]     |       ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/board-538362016ed00a45
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1241c36d32abb0a8c90abc0edfc4b3998620b1f1df1e73d7157369d559e72077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1241c36d32abb0a8c90abc0edfc4b3998620b1f1df1e73d7157369d559e72077", kill_on_drop: false }`
[INFO] [stdout] 1241c36d32abb0a8c90abc0edfc4b3998620b1f1df1e73d7157369d559e72077