[INFO] fetching crate zengine_ecs 0.1.2... [INFO] checking zengine_ecs-0.1.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate zengine_ecs 0.1.2 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate zengine_ecs 0.1.2 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 crates.io crate zengine_ecs 0.1.2 [INFO] finished tweaking crates.io crate zengine_ecs 0.1.2 [INFO] tweaked toml for crates.io crate zengine_ecs 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 11 packages to latest compatible versions [INFO] [stderr] Adding rustc-hash v1.1.0 (available: v2.0.0) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] [stderr] Adding toml v0.5.11 (available: v0.8.19) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ca9ff52a5683b7bd891efc3b9fbf6e6b6f1ee4282df533819abbf106d09b70e1 [INFO] running `Command { std: "docker" "start" "-a" "ca9ff52a5683b7bd891efc3b9fbf6e6b6f1ee4282df533819abbf106d09b70e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ca9ff52a5683b7bd891efc3b9fbf6e6b6f1ee4282df533819abbf106d09b70e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca9ff52a5683b7bd891efc3b9fbf6e6b6f1ee4282df533819abbf106d09b70e1", kill_on_drop: false }` [INFO] [stdout] ca9ff52a5683b7bd891efc3b9fbf6e6b6f1ee4282df533819abbf106d09b70e1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a9ce1e22a33212b2512a8b07211c6e93bce13fc0b651a28018ec10c0870de6f4 [INFO] running `Command { std: "docker" "start" "-a" "a9ce1e22a33212b2512a8b07211c6e93bce13fc0b651a28018ec10c0870de6f4", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking nohash-hasher v0.2.0 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling toml v0.5.11 [INFO] [stderr] Compiling zengine_macro v0.1.2 [INFO] [stderr] Checking zengine_ecs v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `SubscriptionKey` is never constructed [INFO] [stdout] --> src/event.rs:197:8 [INFO] [stdout] | [INFO] [stdout] 197 | struct SubscriptionKey { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/world.rs:199:25 [INFO] [stdout] | [INFO] [stdout] 199 | Replace(usize, usize), [INFO] [stdout] | ------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 199 | Replace((), usize), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `RwLockReadGuard<'_, world::tests::Resource1>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/world.rs:1019:17 [INFO] [stdout] | [INFO] [stdout] 1003 | let mut world = World::default(); [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1019 | let res = world.get_resource::().unwrap(); [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] warning: struct `SubscriptionKey` is never constructed [INFO] [stdout] --> src/event.rs:197:8 [INFO] [stdout] | [INFO] [stdout] 197 | struct SubscriptionKey { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/world.rs:199:25 [INFO] [stdout] | [INFO] [stdout] 199 | Replace(usize, usize), [INFO] [stdout] | ------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 199 | Replace((), usize), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Component5` is never constructed [INFO] [stdout] --> src/world.rs:698:12 [INFO] [stdout] | [INFO] [stdout] 698 | struct Component5 {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `zengine_ecs` (lib test) due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "a9ce1e22a33212b2512a8b07211c6e93bce13fc0b651a28018ec10c0870de6f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9ce1e22a33212b2512a8b07211c6e93bce13fc0b651a28018ec10c0870de6f4", kill_on_drop: false }` [INFO] [stdout] a9ce1e22a33212b2512a8b07211c6e93bce13fc0b651a28018ec10c0870de6f4