[INFO] cloning repository https://github.com/FascinatedTV/Meta-Tic-Tac-Toe [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FascinatedTV/Meta-Tic-Tac-Toe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFascinatedTV%2FMeta-Tic-Tac-Toe", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFascinatedTV%2FMeta-Tic-Tac-Toe'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8bf6ed8c26aa3829b6956cd1eb7a4ecab5d97589 [INFO] checking FascinatedTV/Meta-Tic-Tac-Toe/8bf6ed8c26aa3829b6956cd1eb7a4ecab5d97589 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFascinatedTV%2FMeta-Tic-Tac-Toe" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/FascinatedTV/Meta-Tic-Tac-Toe on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/FascinatedTV/Meta-Tic-Tac-Toe [INFO] finished tweaking git repo https://github.com/FascinatedTV/Meta-Tic-Tac-Toe [INFO] tweaked toml for git repo https://github.com/FascinatedTV/Meta-Tic-Tac-Toe written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/FascinatedTV/Meta-Tic-Tac-Toe 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0274766a66f057670b0d254ca2c27c9397f5d61ff6a0a417af7e15fd7578cff7 [INFO] running `Command { std: "docker" "start" "-a" "0274766a66f057670b0d254ca2c27c9397f5d61ff6a0a417af7e15fd7578cff7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0274766a66f057670b0d254ca2c27c9397f5d61ff6a0a417af7e15fd7578cff7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0274766a66f057670b0d254ca2c27c9397f5d61ff6a0a417af7e15fd7578cff7", kill_on_drop: false }` [INFO] [stdout] 0274766a66f057670b0d254ca2c27c9397f5d61ff6a0a417af7e15fd7578cff7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 86efcbac18fd45349816492534bc49b92adafe78e9d909a6102e9c95c5183da6 [INFO] running `Command { std: "docker" "start" "-a" "86efcbac18fd45349816492534bc49b92adafe78e9d909a6102e9c95c5183da6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking colored v2.1.0 [INFO] [stderr] Checking flagset v0.4.5 [INFO] [stderr] Checking getrandom v0.2.12 [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] Checking project v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `RandomPlayer` is never constructed [INFO] [stdout] --> src/main.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | struct RandomPlayer; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:52:8 [INFO] [stdout] | [INFO] [stdout] 51 | impl RandomPlayer { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 52 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `HumanPlayer` is never constructed [INFO] [stdout] --> src/main.rs:70:8 [INFO] [stdout] | [INFO] [stdout] 70 | struct HumanPlayer; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:73:8 [INFO] [stdout] | [INFO] [stdout] 72 | impl HumanPlayer { [INFO] [stdout] | ---------------- associated function in this implementation [INFO] [stdout] 73 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get` is never used [INFO] [stdout] --> src/game.rs:326:8 [INFO] [stdout] | [INFO] [stdout] 324 | impl MetaBoard { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] 325 | [INFO] [stdout] 326 | fn get(&self, index: &[usize]) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get` is never used [INFO] [stdout] --> src/game.rs:487:8 [INFO] [stdout] | [INFO] [stdout] 435 | impl Board{ [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 487 | fn get(&self, index: &[usize]) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RandomPlayer` is never constructed [INFO] [stdout] --> src/main.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | struct RandomPlayer; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:52:8 [INFO] [stdout] | [INFO] [stdout] 51 | impl RandomPlayer { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 52 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `HumanPlayer` is never constructed [INFO] [stdout] --> src/main.rs:70:8 [INFO] [stdout] | [INFO] [stdout] 70 | struct HumanPlayer; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:73:8 [INFO] [stdout] | [INFO] [stdout] 72 | impl HumanPlayer { [INFO] [stdout] | ---------------- associated function in this implementation [INFO] [stdout] 73 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get` is never used [INFO] [stdout] --> src/game.rs:326:8 [INFO] [stdout] | [INFO] [stdout] 324 | impl MetaBoard { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] 325 | [INFO] [stdout] 326 | fn get(&self, index: &[usize]) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get` is never used [INFO] [stdout] --> src/game.rs:487:8 [INFO] [stdout] | [INFO] [stdout] 435 | impl Board{ [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 487 | fn get(&self, index: &[usize]) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.15s [INFO] running `Command { std: "docker" "inspect" "86efcbac18fd45349816492534bc49b92adafe78e9d909a6102e9c95c5183da6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86efcbac18fd45349816492534bc49b92adafe78e9d909a6102e9c95c5183da6", kill_on_drop: false }` [INFO] [stdout] 86efcbac18fd45349816492534bc49b92adafe78e9d909a6102e9c95c5183da6