[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 master#c7f6aa2869acdbf014d094c6e427e554e160b6db 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-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LucDeCaf/chress on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f99b8b67f3acc4ec9ce32d4865613d79b8a081dc65c39adfb83149f9ce601d99
[INFO] running `Command { std: "docker" "start" "-a" "f99b8b67f3acc4ec9ce32d4865613d79b8a081dc65c39adfb83149f9ce601d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f99b8b67f3acc4ec9ce32d4865613d79b8a081dc65c39adfb83149f9ce601d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f99b8b67f3acc4ec9ce32d4865613d79b8a081dc65c39adfb83149f9ce601d99", kill_on_drop: false }`
[INFO] [stdout] f99b8b67f3acc4ec9ce32d4865613d79b8a081dc65c39adfb83149f9ce601d99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4d99e2109144af73bec31a07171bd87523f7906d4a6eb21410beff83173bfee
[INFO] running `Command { std: "docker" "start" "-a" "c4d99e2109144af73bec31a07171bd87523f7906d4a6eb21410beff83173bfee", 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 12.13s
[INFO] running `Command { std: "docker" "inspect" "c4d99e2109144af73bec31a07171bd87523f7906d4a6eb21410beff83173bfee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4d99e2109144af73bec31a07171bd87523f7906d4a6eb21410beff83173bfee", kill_on_drop: false }`
[INFO] [stdout] c4d99e2109144af73bec31a07171bd87523f7906d4a6eb21410beff83173bfee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86f0086925f1eb3625cb388dcb7476449aebf3f689ac2422bc019d0e24ff7a22
[INFO] running `Command { std: "docker" "start" "-a" "86f0086925f1eb3625cb388dcb7476449aebf3f689ac2422bc019d0e24ff7a22", 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 getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[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 `test` profile [optimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "86f0086925f1eb3625cb388dcb7476449aebf3f689ac2422bc019d0e24ff7a22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f0086925f1eb3625cb388dcb7476449aebf3f689ac2422bc019d0e24ff7a22", kill_on_drop: false }`
[INFO] [stdout] 86f0086925f1eb3625cb388dcb7476449aebf3f689ac2422bc019d0e24ff7a22