[INFO] cloning repository https://github.com/NeillJohnston/genetic-tetris-bot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NeillJohnston/genetic-tetris-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeillJohnston%2Fgenetic-tetris-bot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeillJohnston%2Fgenetic-tetris-bot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 694894481fa191695b11af60852e10baa2a7949e [INFO] checking NeillJohnston/genetic-tetris-bot/694894481fa191695b11af60852e10baa2a7949e 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%2FNeillJohnston%2Fgenetic-tetris-bot" "/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/NeillJohnston/genetic-tetris-bot 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/NeillJohnston/genetic-tetris-bot [INFO] finished tweaking git repo https://github.com/NeillJohnston/genetic-tetris-bot [INFO] tweaked toml for git repo https://github.com/NeillJohnston/genetic-tetris-bot written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/NeillJohnston/genetic-tetris-bot 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] [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cfc6e38cf346e9b8c09eec528e5e8745d191eda205fbef0c55922e9969f5538a [INFO] running `Command { std: "docker" "start" "-a" "cfc6e38cf346e9b8c09eec528e5e8745d191eda205fbef0c55922e9969f5538a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cfc6e38cf346e9b8c09eec528e5e8745d191eda205fbef0c55922e9969f5538a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfc6e38cf346e9b8c09eec528e5e8745d191eda205fbef0c55922e9969f5538a", kill_on_drop: false }` [INFO] [stdout] cfc6e38cf346e9b8c09eec528e5e8745d191eda205fbef0c55922e9969f5538a [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c0a10c166119ee993807ec1e9f76f5e4468661ec484c0803aa9a9726e52b09d7 [INFO] running `Command { std: "docker" "start" "-a" "c0a10c166119ee993807ec1e9f76f5e4468661ec484c0803aa9a9726e52b09d7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Checking tetris v0.1.0 (/opt/rustwide/workdir/tetris) [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Checking interface v0.1.0 (/opt/rustwide/workdir/interface) [INFO] [stdout] warning: unused variable: `state` [INFO] [stdout] --> interface/src/main.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 27 | let (state, mino) = parse_request(&request); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_state` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mino` [INFO] [stdout] --> interface/src/main.rs:27:15 [INFO] [stdout] | [INFO] [stdout] 27 | let (state, mino) = parse_request(&request); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_mino` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `response` [INFO] [stdout] --> interface/src/main.rs:31:7 [INFO] [stdout] | [INFO] [stdout] 31 | let response = make_response(Vec::new()); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `state` [INFO] [stdout] --> interface/src/main.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 27 | let (state, mino) = parse_request(&request); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_state` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mino` [INFO] [stdout] --> interface/src/main.rs:27:15 [INFO] [stdout] | [INFO] [stdout] 27 | let (state, mino) = parse_request(&request); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_mino` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `response` [INFO] [stdout] --> interface/src/main.rs:31:7 [INFO] [stdout] | [INFO] [stdout] 31 | let response = make_response(Vec::new()); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking genetic v0.1.0 (/opt/rustwide/workdir/genetic) [INFO] [stdout] warning: field `fitness_distribution` is never read [INFO] [stdout] --> genetic/src/genetic.rs:29:2 [INFO] [stdout] | [INFO] [stdout] 27 | pub struct Summary { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 28 | // 5-number summary of fitnesses [INFO] [stdout] 29 | fitness_distribution: [f64; 5] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Summary` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fitness_distribution` is never read [INFO] [stdout] --> genetic/src/genetic.rs:29:2 [INFO] [stdout] | [INFO] [stdout] 27 | pub struct Summary { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 28 | // 5-number summary of fitnesses [INFO] [stdout] 29 | fitness_distribution: [f64; 5] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Summary` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.74s [INFO] running `Command { std: "docker" "inspect" "c0a10c166119ee993807ec1e9f76f5e4468661ec484c0803aa9a9726e52b09d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0a10c166119ee993807ec1e9f76f5e4468661ec484c0803aa9a9726e52b09d7", kill_on_drop: false }` [INFO] [stdout] c0a10c166119ee993807ec1e9f76f5e4468661ec484c0803aa9a9726e52b09d7