[INFO] fetching crate async-rwlock 1.3.0... [INFO] checking async-rwlock-1.3.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate async-rwlock 1.3.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate async-rwlock 1.3.0 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 async-rwlock 1.3.0 [INFO] finished tweaking crates.io crate async-rwlock 1.3.0 [INFO] tweaked toml for crates.io crate async-rwlock 1.3.0 written to /workspace/builds/worker-5-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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 16 packages to latest compatible versions [INFO] [stderr] Adding async-channel v1.9.0 (latest: v2.3.1) [INFO] [stderr] Adding event-listener v2.5.3 (latest: v5.3.1) [INFO] [stderr] Adding fastrand v1.9.0 (latest: v2.1.1) [INFO] [stderr] Adding futures-lite v1.13.0 (latest: v2.3.0) [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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 80c27732a2bfd094a9399f412beff3281fa0008c60ee63d6bf58f3692c02ca25 [INFO] running `Command { std: "docker" "start" "-a" "80c27732a2bfd094a9399f412beff3281fa0008c60ee63d6bf58f3692c02ca25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "80c27732a2bfd094a9399f412beff3281fa0008c60ee63d6bf58f3692c02ca25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80c27732a2bfd094a9399f412beff3281fa0008c60ee63d6bf58f3692c02ca25", kill_on_drop: false }` [INFO] [stdout] 80c27732a2bfd094a9399f412beff3281fa0008c60ee63d6bf58f3692c02ca25 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 70c812e46386aba69bff31239e72bfe0dfb46d4a0b4d64c8d7110a70dd9077fd [INFO] running `Command { std: "docker" "start" "-a" "70c812e46386aba69bff31239e72bfe0dfb46d4a0b4d64c8d7110a70dd9077fd", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking waker-fn v1.2.0 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking async-mutex v1.4.0 [INFO] [stderr] Checking async-rwlock v1.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:370:23 [INFO] [stdout] | [INFO] [stdout] 370 | if self.state.compare_and_swap(0, WRITER_BIT, Ordering::AcqRel) == 0 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:574:14 [INFO] [stdout] | [INFO] [stdout] 574 | .compare_and_swap(ONE_READER, WRITER_BIT, Ordering::AcqRel) [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/lib.rs:106:20 [INFO] [stdout] | [INFO] [stdout] 104 | pub const fn new(t: T) -> RwLock { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 105 | RwLock { [INFO] [stdout] 106 | mutex: Mutex::new(()), [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:107:25 [INFO] [stdout] | [INFO] [stdout] 104 | pub const fn new(t: T) -> RwLock { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 107 | no_readers: Event::new(), [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:108:24 [INFO] [stdout] | [INFO] [stdout] 104 | pub const fn new(t: T) -> RwLock { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 108 | no_writer: Event::new(), [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:110:20 [INFO] [stdout] | [INFO] [stdout] 104 | pub const fn new(t: T) -> RwLock { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 110 | value: UnsafeCell::new(t), [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: aborting due to 4 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `async-rwlock` (lib) due to 5 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "70c812e46386aba69bff31239e72bfe0dfb46d4a0b4d64c8d7110a70dd9077fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70c812e46386aba69bff31239e72bfe0dfb46d4a0b4d64c8d7110a70dd9077fd", kill_on_drop: false }` [INFO] [stdout] 70c812e46386aba69bff31239e72bfe0dfb46d4a0b4d64c8d7110a70dd9077fd