[INFO] fetching crate async_message_dispatcher 7.0.0... [INFO] checking async_message_dispatcher-7.0.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate async_message_dispatcher 7.0.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate async_message_dispatcher 7.0.0 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_message_dispatcher 7.0.0 [INFO] finished tweaking crates.io crate async_message_dispatcher 7.0.0 [INFO] tweaked toml for crates.io crate async_message_dispatcher 7.0.0 written to /workspace/builds/worker-7-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] Locking 20 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding miniz_oxide v0.7.4 (latest: v0.8.0) [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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] af5437f342f7c90fc03a5e9bb6d0ff04e72e298b2a6ec6411718853ed47f978d [INFO] running `Command { std: "docker" "start" "-a" "af5437f342f7c90fc03a5e9bb6d0ff04e72e298b2a6ec6411718853ed47f978d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "af5437f342f7c90fc03a5e9bb6d0ff04e72e298b2a6ec6411718853ed47f978d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af5437f342f7c90fc03a5e9bb6d0ff04e72e298b2a6ec6411718853ed47f978d", kill_on_drop: false }` [INFO] [stdout] af5437f342f7c90fc03a5e9bb6d0ff04e72e298b2a6ec6411718853ed47f978d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] dd7f82b77081d358da77da991940df08da794a75922467b9133605cb8f91dc17 [INFO] running `Command { std: "docker" "start" "-a" "dd7f82b77081d358da77da991940df08da794a75922467b9133605cb8f91dc17", kill_on_drop: false }` [INFO] [stderr] Checking async_message_dispatcher v7.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling syn v2.0.77 [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:116:15 [INFO] [stdout] | [INFO] [stdout] 106 | pub fn add(&self, key: K, message: M) -> ConsumerState { [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 107 | let mut contexts = self.contexts.lock().unwrap(); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 116 | match swap( [INFO] [stdout] | _______________^ [INFO] [stdout] 117 | | &mut context.execution_state, [INFO] [stdout] 118 | | ExecutionState::Running(MessageAwaitingState::NotWaiting), [INFO] [stdout] 119 | | ) { [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:109:20 [INFO] [stdout] | [INFO] [stdout] 109 | queue: VecDeque::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:110:30 [INFO] [stdout] | [INFO] [stdout] 110 | execution_state: ExecutionState::NotRunning(Consumer { [INFO] [stdout] | ______________________________^ [INFO] [stdout] 111 | | contexts: Arc::downgrade(&self.contexts), [INFO] [stdout] 112 | | key, [INFO] [stdout] 113 | | }), [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:141:22 [INFO] [stdout] | [INFO] [stdout] 138 | pub fn new(handler: F) -> Self { [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 141 | storage: Storage::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:150:15 [INFO] [stdout] | [INFO] [stdout] 149 | pub fn dispatch(&self, key: K, message: M) { [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 150 | match self.storage.add(key, message) { [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 5 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `async_message_dispatcher` (lib) due to 6 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "dd7f82b77081d358da77da991940df08da794a75922467b9133605cb8f91dc17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd7f82b77081d358da77da991940df08da794a75922467b9133605cb8f91dc17", kill_on_drop: false }` [INFO] [stdout] dd7f82b77081d358da77da991940df08da794a75922467b9133605cb8f91dc17