[INFO] cloning repository https://github.com/notemissary/rusty-go
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/notemissary/rusty-go" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotemissary%2Frusty-go", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotemissary%2Frusty-go'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 377f1c4bdf1cd545a880f981eaafa0622cf1e4a4
[INFO] testing notemissary/rusty-go against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotemissary%2Frusty-go" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/notemissary/rusty-go on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/notemissary/rusty-go
[INFO] finished tweaking git repo https://github.com/notemissary/rusty-go
[INFO] tweaked toml for git repo https://github.com/notemissary/rusty-go written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/notemissary/rusty-go already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f699cdcdf8bd8faf2356cfe3cfe79aa3add859d7bc393524ce6c9a63aa5ad54
[INFO] running `Command { std: "docker" "start" "-a" "4f699cdcdf8bd8faf2356cfe3cfe79aa3add859d7bc393524ce6c9a63aa5ad54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f699cdcdf8bd8faf2356cfe3cfe79aa3add859d7bc393524ce6c9a63aa5ad54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f699cdcdf8bd8faf2356cfe3cfe79aa3add859d7bc393524ce6c9a63aa5ad54", kill_on_drop: false }`
[INFO] [stdout] 4f699cdcdf8bd8faf2356cfe3cfe79aa3add859d7bc393524ce6c9a63aa5ad54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42ed065ae5398cb55eec96a28bcc2c6aa9dd3d024180661212b4acaf392948ac
[INFO] running `Command { std: "docker" "start" "-a" "42ed065ae5398cb55eec96a28bcc2c6aa9dd3d024180661212b4acaf392948ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty-go v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut new_board = board::Board::new(board::BoardSize::STANDARD as i32);
[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: variant is never constructed: `SMALL`
[INFO] [stdout]  --> src/board.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     SMALL = 9,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MEDIUM`
[INFO] [stdout]  --> src/board.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     MEDIUM = 13,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WHITE`
[INFO] [stdout]  --> src/board.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const WHITE: char = 'O';
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BLACK`
[INFO] [stdout]   --> src/board.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | const BLACK: char = 'X';
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "42ed065ae5398cb55eec96a28bcc2c6aa9dd3d024180661212b4acaf392948ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42ed065ae5398cb55eec96a28bcc2c6aa9dd3d024180661212b4acaf392948ac", kill_on_drop: false }`
[INFO] [stdout] 42ed065ae5398cb55eec96a28bcc2c6aa9dd3d024180661212b4acaf392948ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19eacbbf3da7ccccece842feb88562f402ffe6deffc0597123b8cae6de0a0145
[INFO] running `Command { std: "docker" "start" "-a" "19eacbbf3da7ccccece842feb88562f402ffe6deffc0597123b8cae6de0a0145", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty-go v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut new_board = board::Board::new(board::BoardSize::STANDARD as i32);
[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: variant is never constructed: `SMALL`
[INFO] [stdout]  --> src/board.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     SMALL = 9,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MEDIUM`
[INFO] [stdout]  --> src/board.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     MEDIUM = 13,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WHITE`
[INFO] [stdout]  --> src/board.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const WHITE: char = 'O';
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BLACK`
[INFO] [stdout]   --> src/board.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | const BLACK: char = 'X';
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "19eacbbf3da7ccccece842feb88562f402ffe6deffc0597123b8cae6de0a0145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19eacbbf3da7ccccece842feb88562f402ffe6deffc0597123b8cae6de0a0145", kill_on_drop: false }`
[INFO] [stdout] 19eacbbf3da7ccccece842feb88562f402ffe6deffc0597123b8cae6de0a0145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aeb0b17b6177f9c6679517219434de69b7f5c9a0db41af1b52f800e669ad1c73
[INFO] running `Command { std: "docker" "start" "-a" "aeb0b17b6177f9c6679517219434de69b7f5c9a0db41af1b52f800e669ad1c73", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:4:9
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 4 |     let mut new_board = board::Board::new(board::BoardSize::STANDARD as i32);
[INFO] [stdout] 
[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: variant is never constructed: `SMALL`
[INFO] [stderr]  --> src/board.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     SMALL = 9,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MEDIUM`
[INFO] [stderr]  --> src/board.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     MEDIUM = 13,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `WHITE`
[INFO] [stderr]  --> src/board.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | const WHITE: char = 'O';
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `BLACK`
[INFO] [stderr]   --> src/board.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | const BLACK: char = 'X';
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rusty-go` (bin "rusty-go" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rusty_go-096e2d380aff4fed)
[INFO] running `Command { std: "docker" "inspect" "aeb0b17b6177f9c6679517219434de69b7f5c9a0db41af1b52f800e669ad1c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeb0b17b6177f9c6679517219434de69b7f5c9a0db41af1b52f800e669ad1c73", kill_on_drop: false }`
[INFO] [stdout] aeb0b17b6177f9c6679517219434de69b7f5c9a0db41af1b52f800e669ad1c73