[INFO] fetching crate atomic_swapping 0.1.0... [INFO] checking atomic_swapping-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate atomic_swapping 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate atomic_swapping 0.1.0 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 atomic_swapping 0.1.0 [INFO] finished tweaking crates.io crate atomic_swapping 0.1.0 [INFO] tweaked toml for crates.io crate atomic_swapping 0.1.0 written to /workspace/builds/worker-1-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 15 packages to latest compatible versions [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e3a62d9b63277463e762369aa26520878aec9dce05b6a79146100b6d9341a869 [INFO] running `Command { std: "docker" "start" "-a" "e3a62d9b63277463e762369aa26520878aec9dce05b6a79146100b6d9341a869", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e3a62d9b63277463e762369aa26520878aec9dce05b6a79146100b6d9341a869", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3a62d9b63277463e762369aa26520878aec9dce05b6a79146100b6d9341a869", kill_on_drop: false }` [INFO] [stdout] e3a62d9b63277463e762369aa26520878aec9dce05b6a79146100b6d9341a869 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b74a1c1c122bf6be6b402ea1f3014b79b7d8546a8c68c62fbfd117096763a749 [INFO] running `Command { std: "docker" "start" "-a" "b74a1c1c122bf6be6b402ea1f3014b79b7d8546a8c68c62fbfd117096763a749", kill_on_drop: false }` [INFO] [stderr] Checking atomic_swapping v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stdout] error: this value of type `(Option, option::AtomicSwapState)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/option.rs:122:45 [INFO] [stdout] | [INFO] [stdout] 108 | pub fn swap_hint(&self, value: Option, mut spin_loop_hint: impl FnMut()) -> Option { [INFO] [stdout] | ------------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 122 | let out = match (value, state_enum) { [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 `T` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/option.rs:378:29 [INFO] [stdout] | [INFO] [stdout] 362 | pub fn clone_inner_hint(&self, mut spin_loop_hint: impl FnMut()) -> Option [INFO] [stdout] | ------------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 378 | let out = (&*(self.data.get() as *mut T)).clone(); [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 `T` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:151:29 [INFO] [stdout] | [INFO] [stdout] 136 | pub fn clone_inner_hint(&self, mut spin_loop_hint: impl FnMut()) -> T [INFO] [stdout] | ------------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 151 | let out = (&*(self.data.get())).clone(); [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: trait `EnsureSend` is never used [INFO] [stdout] --> src/lib.rs:226:7 [INFO] [stdout] | [INFO] [stdout] 226 | trait EnsureSend: Send {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `EnsureSend` is never used [INFO] [stdout] --> src/option.rs:546:7 [INFO] [stdout] | [INFO] [stdout] 546 | trait EnsureSend: Send {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `atomic_swapping` (lib) due to 4 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "b74a1c1c122bf6be6b402ea1f3014b79b7d8546a8c68c62fbfd117096763a749", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b74a1c1c122bf6be6b402ea1f3014b79b7d8546a8c68c62fbfd117096763a749", kill_on_drop: false }` [INFO] [stdout] b74a1c1c122bf6be6b402ea1f3014b79b7d8546a8c68c62fbfd117096763a749