[INFO] fetching crate tower-batch 0.1.0... [INFO] checking tower-batch-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate tower-batch 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate tower-batch 0.1.0 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 tower-batch 0.1.0 [INFO] finished tweaking crates.io crate tower-batch 0.1.0 [INFO] tweaked toml for crates.io crate tower-batch 0.1.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 88 packages to latest compatible versions [INFO] [stderr] Adding hashbrown v0.12.3 (available: v0.14.5) [INFO] [stderr] Adding indexmap v1.9.3 (available: v2.5.0) [INFO] [stderr] Adding matchers v0.1.0 (available: v0.2.0) [INFO] [stderr] Adding nu-ansi-term v0.46.0 (available: v0.50.1) [INFO] [stderr] Adding regex-automata v0.1.10 (available: v0.4.7) [INFO] [stderr] Adding regex-syntax v0.6.29 (available: v0.8.4) [INFO] [stderr] Adding tower v0.4.13 (available: v0.5.1) [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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 37d73d8be90ff88784a0bb4441db78b77f0482bc9284e5ed4bbe297c0ba25643 [INFO] running `Command { std: "docker" "start" "-a" "37d73d8be90ff88784a0bb4441db78b77f0482bc9284e5ed4bbe297c0ba25643", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "37d73d8be90ff88784a0bb4441db78b77f0482bc9284e5ed4bbe297c0ba25643", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37d73d8be90ff88784a0bb4441db78b77f0482bc9284e5ed4bbe297c0ba25643", kill_on_drop: false }` [INFO] [stdout] 37d73d8be90ff88784a0bb4441db78b77f0482bc9284e5ed4bbe297c0ba25643 [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1cb211fc7263f7801f3a00133324778c62922dfa8577c33962019426b887990b [INFO] running `Command { std: "docker" "start" "-a" "1cb211fc7263f7801f3a00133324778c62922dfa8577c33962019426b887990b", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking tower-layer v0.3.3 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking hdrhistogram v7.5.4 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling async-stream-impl v0.3.5 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking async-stream v0.3.5 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking tokio-stream v0.1.16 [INFO] [stderr] Checking tokio-util v0.7.12 [INFO] [stderr] Checking tokio-test v0.4.4 [INFO] [stderr] Checking tower v0.4.13 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking tower-test v0.4.0 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking tower-batch v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Poll, tokio::sync::oneshot::error::RecvError>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/future.rs:77:62 [INFO] [stdout] | [INFO] [stdout] 77 | ResponseStateProj::Rx { rx } => match ready!(rx.poll(cx)) { [INFO] [stdout] | -------^^^^^^^^^^^- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [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 `Result<(), tokio::sync::mpsc::error::SendError>>::Future>>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/service.rs:167:15 [INFO] [stdout] | [INFO] [stdout] 164 | let (tx, rx) = oneshot::channel(); [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 167 | match self.tx.send(Message { [INFO] [stdout] | _______________^ [INFO] [stdout] 168 | | request, [INFO] [stdout] 169 | | span, [INFO] [stdout] 170 | | tx, [INFO] [stdout] 171 | | _permit, [INFO] [stdout] 172 | | }) { [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 `Poll>>::Future>, bool)>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/worker.rs:147:34 [INFO] [stdout] | [INFO] [stdout] 147 | match ready!(this.bridge.poll_next_msg(cx)) { [INFO] [stdout] | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 230 | match ready!(future.poll(cx)) { [INFO] [stdout] | ----------------------- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [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 `Poll, tokio::sync::oneshot::error::RecvError>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/future.rs:77:62 [INFO] [stdout] | [INFO] [stdout] 77 | ResponseStateProj::Rx { rx } => match ready!(rx.poll(cx)) { [INFO] [stdout] | -------^^^^^^^^^^^- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [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 `Result<(), tokio::sync::mpsc::error::SendError>>::Future>>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/service.rs:167:15 [INFO] [stdout] | [INFO] [stdout] 164 | let (tx, rx) = oneshot::channel(); [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 167 | match self.tx.send(Message { [INFO] [stdout] | _______________^ [INFO] [stdout] 168 | | request, [INFO] [stdout] 169 | | span, [INFO] [stdout] 170 | | tx, [INFO] [stdout] 171 | | _permit, [INFO] [stdout] 172 | | }) { [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 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tower-batch` (lib test) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `Poll>>::Future>, bool)>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/worker.rs:147:34 [INFO] [stdout] | [INFO] [stdout] 147 | match ready!(this.bridge.poll_next_msg(cx)) { [INFO] [stdout] | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 230 | match ready!(future.poll(cx)) { [INFO] [stdout] | ----------------------- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [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 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tower-batch` (lib) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "1cb211fc7263f7801f3a00133324778c62922dfa8577c33962019426b887990b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1cb211fc7263f7801f3a00133324778c62922dfa8577c33962019426b887990b", kill_on_drop: false }` [INFO] [stdout] 1cb211fc7263f7801f3a00133324778c62922dfa8577c33962019426b887990b