[INFO] cloning repository https://github.com/LucDeCaf/chress
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LucDeCaf/chress" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucDeCaf%2Fchress", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucDeCaf%2Fchress'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6674cdf169d27f66b05cebc5c81105c26484320
[INFO] building LucDeCaf/chress against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucDeCaf%2Fchress" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LucDeCaf/chress
[INFO] finished tweaking git repo https://github.com/LucDeCaf/chress
[INFO] tweaked toml for git repo https://github.com/LucDeCaf/chress written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LucDeCaf/chress on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LucDeCaf/chress already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d6e9fa7c71a84ae7e84f7cc838ae7506b7d3e22fc287702d322333385f240cf
[INFO] running `Command { std: "docker" "start" "-a" "5d6e9fa7c71a84ae7e84f7cc838ae7506b7d3e22fc287702d322333385f240cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d6e9fa7c71a84ae7e84f7cc838ae7506b7d3e22fc287702d322333385f240cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d6e9fa7c71a84ae7e84f7cc838ae7506b7d3e22fc287702d322333385f240cf", kill_on_drop: false }`
[INFO] [stdout] 5d6e9fa7c71a84ae7e84f7cc838ae7506b7d3e22fc287702d322333385f240cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a345039da09e9258b2ef1b755005aa78a1dcecc19201801285306e7553c0bd50
[INFO] running `Command { std: "docker" "start" "-a" "a345039da09e9258b2ef1b755005aa78a1dcecc19201801285306e7553c0bd50", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling chress v0.1.0 (/opt/rustwide/workdir/chress)
[INFO] [stderr]    Compiling chress_test v0.1.0 (/opt/rustwide/workdir/chress-test)
[INFO] [stderr]    Compiling chress_engine v0.1.0 (/opt/rustwide/workdir/chress-engine)
[INFO] [stderr]    Compiling chress_cli v0.1.0 (/opt/rustwide/workdir/chress-cli)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> chress-test/src/bin/main.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     loop {
[INFO] [stdout] 29 | |         buf.clear();
[INFO] [stdout] 30 | |
[INFO] [stdout] 31 | |         let engine = if moves.len() % 2 == 0 {
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 58 |
[INFO] [stdout] 59 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> chress-test/src/bin/main.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut board = Board::default();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> chress-test/src/bin/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut board = Board::default();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.25s
[INFO] running `Command { std: "docker" "inspect" "a345039da09e9258b2ef1b755005aa78a1dcecc19201801285306e7553c0bd50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a345039da09e9258b2ef1b755005aa78a1dcecc19201801285306e7553c0bd50", kill_on_drop: false }`
[INFO] [stdout] a345039da09e9258b2ef1b755005aa78a1dcecc19201801285306e7553c0bd50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ef970e3d450a8dc2cd30a04a1ef3e8da09d3773bb5e2095e414b64caff34aef
[INFO] running `Command { std: "docker" "start" "-a" "2ef970e3d450a8dc2cd30a04a1ef3e8da09d3773bb5e2095e414b64caff34aef", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling chress v0.1.0 (/opt/rustwide/workdir/chress)
[INFO] [stderr]    Compiling chress_test v0.1.0 (/opt/rustwide/workdir/chress-test)
[INFO] [stderr]    Compiling chress_engine v0.1.0 (/opt/rustwide/workdir/chress-engine)
[INFO] [stderr]    Compiling chress_cli v0.1.0 (/opt/rustwide/workdir/chress-cli)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> chress-test/src/bin/main.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     loop {
[INFO] [stdout] 29 | |         buf.clear();
[INFO] [stdout] 30 | |
[INFO] [stdout] 31 | |         let engine = if moves.len() % 2 == 0 {
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 58 |
[INFO] [stdout] 59 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> chress-test/src/bin/main.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut board = Board::default();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> chress-test/src/bin/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut board = Board::default();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chress` (lib test)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name chress --edition=2021 chress/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C opt-level=3 -C lto=fat -C codegen-units=1 -C debuginfo=2 -C debug-assertions=on --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=8837a35659129346 -C extra-filename=-c2945679d1c3c58f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-2b8032d47ea64faf.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-685849feca1c03b4.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2ef970e3d450a8dc2cd30a04a1ef3e8da09d3773bb5e2095e414b64caff34aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ef970e3d450a8dc2cd30a04a1ef3e8da09d3773bb5e2095e414b64caff34aef", kill_on_drop: false }`
[INFO] [stdout] 2ef970e3d450a8dc2cd30a04a1ef3e8da09d3773bb5e2095e414b64caff34aef
