[INFO] fetching crate xecs 0.5.10... [INFO] checking xecs-0.5.10 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate xecs 0.5.10 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate xecs 0.5.10 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 crates.io crate xecs 0.5.10 [INFO] finished tweaking crates.io crate xecs 0.5.10 [INFO] tweaked toml for crates.io crate xecs 0.5.10 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 36 packages to latest compatible versions [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] 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] 07bb4caab069e55c3a500f2ac45360a1518b3b47ff3c514872b5d1296b44ec89 [INFO] running `Command { std: "docker" "start" "-a" "07bb4caab069e55c3a500f2ac45360a1518b3b47ff3c514872b5d1296b44ec89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "07bb4caab069e55c3a500f2ac45360a1518b3b47ff3c514872b5d1296b44ec89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07bb4caab069e55c3a500f2ac45360a1518b3b47ff3c514872b5d1296b44ec89", kill_on_drop: false }` [INFO] [stdout] 07bb4caab069e55c3a500f2ac45360a1518b3b47ff3c514872b5d1296b44ec89 [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] 5438be03522e1e410ee92290e4cc76bcab4d897e5b8285f2a527cac0b7c8ac17 [INFO] running `Command { std: "docker" "start" "-a" "5438be03522e1e410ee92290e4cc76bcab4d897e5b8285f2a527cac0b7c8ac17", kill_on_drop: false }` [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking xecs v0.5.10 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/world.rs:351:45 [INFO] [stdout] | [INFO] [stdout] 349 | pub fn query<'a, T: Queryable<'a>>( [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] 350 | &'a self, [INFO] [stdout] 351 | ) -> Box::Item> + 'a> { [INFO] [stdout] | ^^^^^^^^^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/world.rs:351:45 [INFO] [stdout] | [INFO] [stdout] 349 | pub fn query<'a, T: Queryable<'a>>( [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] 350 | &'a self, [INFO] [stdout] 351 | ) -> Box::Item> + 'a> { [INFO] [stdout] | ^^^^^^^^^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `StorageRead<'_, char>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/world.rs:399:17 [INFO] [stdout] | [INFO] [stdout] 380 | let mut world = World::new(); [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 399 | let components = world.components_read::().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] error: this value of type `ComponentRead<'_, u32>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/world.rs:537:17 [INFO] [stdout] | [INFO] [stdout] 518 | let mut world = World::new(); [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 537 | let v = world.entity_component_read::(id).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] [INFO] [stdout] [INFO] [stdout] error: this value of type `ComponentRead<'_, u32>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/world.rs:565:17 [INFO] [stdout] | [INFO] [stdout] 544 | let mut world = World::new(); [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 552 | let entity = world.entity(id).unwrap(); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 565 | let v = entity.component_read::().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] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `xecs` (lib test) due to 4 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "5438be03522e1e410ee92290e4cc76bcab4d897e5b8285f2a527cac0b7c8ac17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5438be03522e1e410ee92290e4cc76bcab4d897e5b8285f2a527cac0b7c8ac17", kill_on_drop: false }` [INFO] [stdout] 5438be03522e1e410ee92290e4cc76bcab4d897e5b8285f2a527cac0b7c8ac17