[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] testing LucDeCaf/chress against try#7af779037716ae4125ceabb429791b4cf5dd0a43 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucDeCaf%2Fchress" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LucDeCaf/chress on toolchain 7af779037716ae4125ceabb429791b4cf5dd0a43
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1-tc2/source/Cargo.toml
[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" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ec84d75800e7381f644d973362f02416eb7537a25afc42df26fa89919fbaa6d
[INFO] running `Command { std: "docker" "start" "-a" "7ec84d75800e7381f644d973362f02416eb7537a25afc42df26fa89919fbaa6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ec84d75800e7381f644d973362f02416eb7537a25afc42df26fa89919fbaa6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ec84d75800e7381f644d973362f02416eb7537a25afc42df26fa89919fbaa6d", kill_on_drop: false }`
[INFO] [stdout] 7ec84d75800e7381f644d973362f02416eb7537a25afc42df26fa89919fbaa6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 613f8f979de71f15122f004407e29174d38223070d136f14ce74ec4c52252a95
[INFO] running `Command { std: "docker" "start" "-a" "613f8f979de71f15122f004407e29174d38223070d136f14ce74ec4c52252a95", 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 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)]` 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.56s
[INFO] running `Command { std: "docker" "inspect" "613f8f979de71f15122f004407e29174d38223070d136f14ce74ec4c52252a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "613f8f979de71f15122f004407e29174d38223070d136f14ce74ec4c52252a95", kill_on_drop: false }`
[INFO] [stdout] 613f8f979de71f15122f004407e29174d38223070d136f14ce74ec4c52252a95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 784c05aca055be5e3fb766b2c7c1f1a08dd51a12cfa7b58ba80bd613ff42c914
[INFO] running `Command { std: "docker" "start" "-a" "784c05aca055be5e3fb766b2c7c1f1a08dd51a12cfa7b58ba80bd613ff42c914", 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)]` 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chress` (test "perft")
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/7af779037716ae4125ceabb429791b4cf5dd0a43/bin/rustc --crate-name perft --edition=2021 chress/tests/perft.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=9f5a1f1cf6518958 -C extra-filename=-2290e4b06e1dbe1b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern chress=/opt/rustwide/target/debug/deps/libchress-1b0810445ff09861.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-84939a75e2fc76c1.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-f9accd764cfc5cae.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `chress_test` (bin "main" test); 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/7af779037716ae4125ceabb429791b4cf5dd0a43/bin/rustc --crate-name main --edition=2021 chress-test/src/bin/main.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=cfc178ac2901e079 -C extra-filename=-d25050cadb3560f0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern chress=/opt/rustwide/target/debug/deps/libchress-1b0810445ff09861.rlib --extern chress_test=/opt/rustwide/target/debug/deps/libchress_test-b42e1076ea34db4b.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "784c05aca055be5e3fb766b2c7c1f1a08dd51a12cfa7b58ba80bd613ff42c914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "784c05aca055be5e3fb766b2c7c1f1a08dd51a12cfa7b58ba80bd613ff42c914", kill_on_drop: false }`
[INFO] [stdout] 784c05aca055be5e3fb766b2c7c1f1a08dd51a12cfa7b58ba80bd613ff42c914