[INFO] cloning repository https://github.com/cosmobobak/iridium-oxide [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cosmobobak/iridium-oxide" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosmobobak%2Firidium-oxide", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosmobobak%2Firidium-oxide'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c5cc6fc36e4ac5fa55b068c6eaf766211c225aa9 [INFO] checking cosmobobak/iridium-oxide/c5cc6fc36e4ac5fa55b068c6eaf766211c225aa9 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosmobobak%2Firidium-oxide" "/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/cosmobobak/iridium-oxide on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cosmobobak/iridium-oxide [INFO] finished tweaking git repo https://github.com/cosmobobak/iridium-oxide [INFO] tweaked toml for git repo https://github.com/cosmobobak/iridium-oxide written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/cosmobobak/iridium-oxide 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dee5a66de66b22110caa9f45c8ed2807e264450407b3910be6ea8220d2b840a8 [INFO] running `Command { std: "docker" "start" "-a" "dee5a66de66b22110caa9f45c8ed2807e264450407b3910be6ea8220d2b840a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dee5a66de66b22110caa9f45c8ed2807e264450407b3910be6ea8220d2b840a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dee5a66de66b22110caa9f45c8ed2807e264450407b3910be6ea8220d2b840a8", kill_on_drop: false }` [INFO] [stdout] dee5a66de66b22110caa9f45c8ed2807e264450407b3910be6ea8220d2b840a8 [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 -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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 91aa48e2483dd70fbd16c9ba66cc26a9621200f8b2c50ce9aba8f3f9c073e715 [INFO] running `Command { std: "docker" "start" "-a" "91aa48e2483dd70fbd16c9ba66cc26a9621200f8b2c50ce9aba8f3f9c073e715", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.118 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.7 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling cozy-chess-types v0.2.1 [INFO] [stderr] Compiling crossbeam-queue v0.3.5 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking fastrand v1.8.0 [INFO] [stderr] Checking fastapprox v0.3.1 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking crossbeam-channel v0.5.2 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking getrandom v0.2.4 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Compiling cozy-chess v0.3.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking crossbeam v0.8.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking iridium-oxide v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/mcts.rs:708:5 [INFO] [stdout] | [INFO] [stdout] 707 | return fused_distribution.iter().enumerate().max_by_key(|(i, v)| **v).unwrap().0; [INFO] [stdout] | -------------------------------------------------------------------------------- any code following this expression is unreachable [INFO] [stdout] 708 | let total_rollouts = fused_distribution.iter().sum::(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/mcts.rs:708:5 [INFO] [stdout] | [INFO] [stdout] 707 | return fused_distribution.iter().enumerate().max_by_key(|(i, v)| **v).unwrap().0; [INFO] [stdout] | -------------------------------------------------------------------------------- any code following this expression is unreachable [INFO] [stdout] 708 | let total_rollouts = fused_distribution.iter().sum::(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/mcts.rs:707:63 [INFO] [stdout] | [INFO] [stdout] 707 | return fused_distribution.iter().enumerate().max_by_key(|(i, v)| **v).unwrap().0; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `csv_header` is never used [INFO] [stdout] --> src/datageneration.rs:91:8 [INFO] [stdout] | [INFO] [stdout] 90 | pub trait VectoriseState: Game { [INFO] [stdout] | -------------- associated function in this trait [INFO] [stdout] 91 | fn csv_header() -> String; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_empty` is never used [INFO] [stdout] --> src/game.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub trait MoveBuffer: Debug + Default + Index + Display { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 11 | fn is_empty(&self) -> bool; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `sort_moves` is never used [INFO] [stdout] --> src/game.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub trait Game: Clone + Eq + Debug + Display + Default + Send + Sync { [INFO] [stdout] | ---- method in this trait [INFO] [stdout] ... [INFO] [stdout] 40 | fn sort_moves(&mut self, _moves: &mut Self::Buffer) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `iter_bits` is never used [INFO] [stdout] --> src/iterbits.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait BitIterable { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] 2 | fn iter_bits(self) -> IterBits; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `rollout_cutoff_length` is never used [INFO] [stdout] --> src/mcts.rs:302:8 [INFO] [stdout] | [INFO] [stdout] 301 | pub trait MCTSExt: Game { [INFO] [stdout] | ------- associated function in this trait [INFO] [stdout] 302 | fn rollout_cutoff_length() -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/gamerunner.rs:60:22 [INFO] [stdout] | [INFO] [stdout] 54 | pub const fn new<'b, 'c>(player1: Player<'b, G>, player2: Player<'c, G>) -> Self [INFO] [stdout] | ---------------------- ---------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 60 | players: [player1, player2], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `iridium-oxide` (bin "iridium-oxide" test) due to 2 previous errors; 7 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/mcts.rs:707:63 [INFO] [stdout] | [INFO] [stdout] 707 | return fused_distribution.iter().enumerate().max_by_key(|(i, v)| **v).unwrap().0; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `csv_header` is never used [INFO] [stdout] --> src/datageneration.rs:91:8 [INFO] [stdout] | [INFO] [stdout] 90 | pub trait VectoriseState: Game { [INFO] [stdout] | -------------- associated function in this trait [INFO] [stdout] 91 | fn csv_header() -> String; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_empty` is never used [INFO] [stdout] --> src/game.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub trait MoveBuffer: Debug + Default + Index + Display { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 11 | fn is_empty(&self) -> bool; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `sort_moves` is never used [INFO] [stdout] --> src/game.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub trait Game: Clone + Eq + Debug + Display + Default + Send + Sync { [INFO] [stdout] | ---- method in this trait [INFO] [stdout] ... [INFO] [stdout] 40 | fn sort_moves(&mut self, _moves: &mut Self::Buffer) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `iter_bits` is never used [INFO] [stdout] --> src/iterbits.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait BitIterable { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] 2 | fn iter_bits(self) -> IterBits; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `rollout_cutoff_length` is never used [INFO] [stdout] --> src/mcts.rs:302:8 [INFO] [stdout] | [INFO] [stdout] 301 | pub trait MCTSExt: Game { [INFO] [stdout] | ------- associated function in this trait [INFO] [stdout] 302 | fn rollout_cutoff_length() -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GameRecord` is never constructed [INFO] [stdout] --> src/record.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct GameRecord { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GameRecordHeader` is never constructed [INFO] [stdout] --> src/record.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | struct GameRecordHeader { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GameRecordEntry` is never constructed [INFO] [stdout] --> src/record.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | struct GameRecordEntry { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `add_entry`, `write_to`, and `read_from` are never used [INFO] [stdout] --> src/record.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 34 | impl GameRecord { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 35 | /// Creates a new game record. [INFO] [stdout] 36 | fn new(header: GameRecordHeader) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | fn add_entry(&mut self, entry: GameRecordEntry) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | fn write_to(&self, mut writer: W) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 82 | fn read_from(mut reader: R) -> io::Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/gamerunner.rs:60:22 [INFO] [stdout] | [INFO] [stdout] 54 | pub const fn new<'b, 'c>(player1: Player<'b, G>, player2: Player<'c, G>) -> Self [INFO] [stdout] | ---------------------- ---------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 60 | players: [player1, player2], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `iridium-oxide` (bin "iridium-oxide") due to 2 previous errors; 11 warnings emitted [INFO] running `Command { std: "docker" "inspect" "91aa48e2483dd70fbd16c9ba66cc26a9621200f8b2c50ce9aba8f3f9c073e715", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91aa48e2483dd70fbd16c9ba66cc26a9621200f8b2c50ce9aba8f3f9c073e715", kill_on_drop: false }` [INFO] [stdout] 91aa48e2483dd70fbd16c9ba66cc26a9621200f8b2c50ce9aba8f3f9c073e715