[INFO] fetching crate gorrosion 0.1.2...
[INFO] checking gorrosion-0.1.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate gorrosion 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate gorrosion 0.1.2 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 crates.io crate gorrosion 0.1.2
[INFO] finished tweaking crates.io crate gorrosion 0.1.2
[INFO] tweaked toml for crates.io crate gorrosion 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7026bd1ed76160169c97165178389a0b58dae686165a5c923aaa2ee997a0bc74
[INFO] running `Command { std: "docker" "start" "-a" "7026bd1ed76160169c97165178389a0b58dae686165a5c923aaa2ee997a0bc74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7026bd1ed76160169c97165178389a0b58dae686165a5c923aaa2ee997a0bc74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7026bd1ed76160169c97165178389a0b58dae686165a5c923aaa2ee997a0bc74", kill_on_drop: false }`
[INFO] [stdout] 7026bd1ed76160169c97165178389a0b58dae686165a5c923aaa2ee997a0bc74
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1527d6d271cbd3a83f7c87c3cfdaf2adbe24c4540c146083da5c183f999f4560
[INFO] running `Command { std: "docker" "start" "-a" "1527d6d271cbd3a83f7c87c3cfdaf2adbe24c4540c146083da5c183f999f4560", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking gorrosion v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `PlayerState` is never constructed
[INFO] [stdout]   --> src/core/game.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct PlayerState<'board, T: 'board + Board> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `place_stone`, `survivors`, `kill`, and `kill_dead` are never used
[INFO] [stdout]   --> src/core/game.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | / impl<'board, T> PlayerState<'board, T>
[INFO] [stdout] 35 | | where
[INFO] [stdout] 36 | |     T: Board,
[INFO] [stdout]    | |_____________- methods in this implementation
[INFO] [stdout] 37 |   {
[INFO] [stdout] 38 |       fn place_stone(&mut self, i: <T::I as Indexer>::Index) {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |       fn survivors(&self, free: &BoolVec<T::I>) -> BoolVec<T::I> {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |       fn kill(&mut self, zombies: &BoolVec<T::I>) {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |       fn kill_dead(&mut self, liberties: &BoolVec<T::I>) {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Color` is never used
[INFO] [stdout]   --> src/core/game.rs:74:6
[INFO] [stdout]    |
[INFO] [stdout] 74 | enum Color {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `other` is never used
[INFO] [stdout]   --> src/core/game.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl Color {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 80 |     fn other(&self) -> Color {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GameState` is never constructed
[INFO] [stdout]   --> src/core/game.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | struct GameState<'board, T: 'board + Board> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `free`, `kill_dead`, `player_state`, and `place_stone` are never used
[INFO] [stdout]    --> src/core/game.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 111 | / impl<'board, T> GameState<'board, T>
[INFO] [stdout] 112 | | where
[INFO] [stdout] 113 | |     T: Board,
[INFO] [stdout]     | |_____________- methods in this implementation
[INFO] [stdout] 114 |   {
[INFO] [stdout] 115 |       fn free(&self) -> BoolVec<T::I> {
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |       fn kill_dead(&mut self, color: Color) {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |       fn player_state(
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |       fn place_stone(&mut self, i: <T::I as Indexer>::Index, color: Color) {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Action` is never used
[INFO] [stdout]    --> src/core/game.rs:165:6
[INFO] [stdout]     |
[INFO] [stdout] 165 | enum Action<Index: Copy> {
[INFO] [stdout]     |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Move` is never constructed
[INFO] [stdout]    --> src/core/game.rs:172:8
[INFO] [stdout]     |
[INFO] [stdout] 172 | struct Move<T: Board> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LocalRules` is never constructed
[INFO] [stdout]    --> src/core/game.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | struct LocalRules {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rules` is never constructed
[INFO] [stdout]    --> src/core/game.rs:182:8
[INFO] [stdout]     |
[INFO] [stdout] 182 | struct Rules {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GameNode` is never constructed
[INFO] [stdout]    --> src/core/game.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 | struct GameNode<'a, 'board: 'a, T: 'board + Board> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Rules` is never used
[INFO] [stdout]  --> src/core/rules.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Rules<T: Board> {
[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/core/util/bool_mat.rs:129:23
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn id_matrix(indexer: I) -> Self {
[INFO] [stdout]     |                      ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 129 |         BoolMat::from_diag(&BoolVec::trues(indexer))
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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; 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gorrosion` (lib) due to 2 previous errors; 12 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `PlayerState` is never constructed
[INFO] [stdout]   --> src/core/game.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct PlayerState<'board, T: 'board + Board> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `place_stone`, `survivors`, `kill`, and `kill_dead` are never used
[INFO] [stdout]   --> src/core/game.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | / impl<'board, T> PlayerState<'board, T>
[INFO] [stdout] 35 | | where
[INFO] [stdout] 36 | |     T: Board,
[INFO] [stdout]    | |_____________- methods in this implementation
[INFO] [stdout] 37 |   {
[INFO] [stdout] 38 |       fn place_stone(&mut self, i: <T::I as Indexer>::Index) {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |       fn survivors(&self, free: &BoolVec<T::I>) -> BoolVec<T::I> {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |       fn kill(&mut self, zombies: &BoolVec<T::I>) {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |       fn kill_dead(&mut self, liberties: &BoolVec<T::I>) {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Color` is never used
[INFO] [stdout]   --> src/core/game.rs:74:6
[INFO] [stdout]    |
[INFO] [stdout] 74 | enum Color {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `other` is never used
[INFO] [stdout]   --> src/core/game.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl Color {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 80 |     fn other(&self) -> Color {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GameState` is never constructed
[INFO] [stdout]   --> src/core/game.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | struct GameState<'board, T: 'board + Board> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `free`, `kill_dead`, `player_state`, and `place_stone` are never used
[INFO] [stdout]    --> src/core/game.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 111 | / impl<'board, T> GameState<'board, T>
[INFO] [stdout] 112 | | where
[INFO] [stdout] 113 | |     T: Board,
[INFO] [stdout]     | |_____________- methods in this implementation
[INFO] [stdout] 114 |   {
[INFO] [stdout] 115 |       fn free(&self) -> BoolVec<T::I> {
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |       fn kill_dead(&mut self, color: Color) {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |       fn player_state(
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |       fn place_stone(&mut self, i: <T::I as Indexer>::Index, color: Color) {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Action` is never used
[INFO] [stdout]    --> src/core/game.rs:165:6
[INFO] [stdout]     |
[INFO] [stdout] 165 | enum Action<Index: Copy> {
[INFO] [stdout]     |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Move` is never constructed
[INFO] [stdout]    --> src/core/game.rs:172:8
[INFO] [stdout]     |
[INFO] [stdout] 172 | struct Move<T: Board> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LocalRules` is never constructed
[INFO] [stdout]    --> src/core/game.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | struct LocalRules {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rules` is never constructed
[INFO] [stdout]    --> src/core/game.rs:182:8
[INFO] [stdout]     |
[INFO] [stdout] 182 | struct Rules {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GameNode` is never constructed
[INFO] [stdout]    --> src/core/game.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 | struct GameNode<'a, 'board: 'a, T: 'board + Board> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Rules` is never used
[INFO] [stdout]  --> src/core/rules.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Rules<T: Board> {
[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/core/util/bool_mat.rs:129:23
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn id_matrix(indexer: I) -> Self {
[INFO] [stdout]     |                      ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 129 |         BoolMat::from_diag(&BoolVec::trues(indexer))
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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; 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gorrosion` (lib test) due to 2 previous errors; 12 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1527d6d271cbd3a83f7c87c3cfdaf2adbe24c4540c146083da5c183f999f4560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1527d6d271cbd3a83f7c87c3cfdaf2adbe24c4540c146083da5c183f999f4560", kill_on_drop: false }`
[INFO] [stdout] 1527d6d271cbd3a83f7c87c3cfdaf2adbe24c4540c146083da5c183f999f4560