[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] checking LucDeCaf/chress/d6674cdf169d27f66b05cebc5c81105c26484320 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [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] validating manifest of git repo https://github.com/LucDeCaf/chress on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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-3-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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6db40f8fd4ca9f34a4c35b8ff8482f00333ec481ede1e11650371154767fc032 [INFO] running `Command { std: "docker" "start" "-a" "6db40f8fd4ca9f34a4c35b8ff8482f00333ec481ede1e11650371154767fc032", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6db40f8fd4ca9f34a4c35b8ff8482f00333ec481ede1e11650371154767fc032", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6db40f8fd4ca9f34a4c35b8ff8482f00333ec481ede1e11650371154767fc032", kill_on_drop: false }` [INFO] [stdout] 6db40f8fd4ca9f34a4c35b8ff8482f00333ec481ede1e11650371154767fc032 [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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 142418a6588c9fdecdb78b7e0bbb628b4111ac7db9e323155936a12761eb6b84 [INFO] running `Command { std: "docker" "start" "-a" "142418a6588c9fdecdb78b7e0bbb628b4111ac7db9e323155936a12761eb6b84", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Compiling syn v2.0.71 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling serde_derive v1.0.204 [INFO] [stderr] Checking serde v1.0.204 [INFO] [stderr] Checking chress v0.1.0 (/opt/rustwide/workdir/chress) [INFO] [stderr] Checking chress_test v0.1.0 (/opt/rustwide/workdir/chress-test) [INFO] [stderr] Checking chress_engine v0.1.0 (/opt/rustwide/workdir/chress-engine) [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] 56 | | // } [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: 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] 56 | | // } [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] [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: 3 warnings emitted [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] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking chress_cli v0.1.0 (/opt/rustwide/workdir/chress-cli) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.20s [INFO] running `Command { std: "docker" "inspect" "142418a6588c9fdecdb78b7e0bbb628b4111ac7db9e323155936a12761eb6b84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "142418a6588c9fdecdb78b7e0bbb628b4111ac7db9e323155936a12761eb6b84", kill_on_drop: false }` [INFO] [stdout] 142418a6588c9fdecdb78b7e0bbb628b4111ac7db9e323155936a12761eb6b84