[INFO] fetching crate tarpc 0.34.0... [INFO] checking tarpc-0.34.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate tarpc 0.34.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate tarpc 0.34.0 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 tarpc 0.34.0 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate tarpc 0.34.0 [INFO] tweaked toml for crates.io crate tarpc 0.34.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate tarpc 0.34.0 already has a lockfile, it will not be regenerated [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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6bbd6b8604991034ac80156a8a6b0752757821c51eeb46c53147f792fa172135 [INFO] running `Command { std: "docker" "start" "-a" "6bbd6b8604991034ac80156a8a6b0752757821c51eeb46c53147f792fa172135", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6bbd6b8604991034ac80156a8a6b0752757821c51eeb46c53147f792fa172135", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6bbd6b8604991034ac80156a8a6b0752757821c51eeb46c53147f792fa172135", kill_on_drop: false }` [INFO] [stdout] 6bbd6b8604991034ac80156a8a6b0752757821c51eeb46c53147f792fa172135 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 792e374ee12576b94fa4d172519359cf27ce509f1355baa1da3417ecb424e506 [INFO] running `Command { std: "docker" "start" "-a" "792e374ee12576b94fa4d172519359cf27ce509f1355baa1da3417ecb424e506", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Checking smallvec v1.11.0 [INFO] [stderr] Checking memchr v2.6.3 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Compiling async-trait v0.1.73 [INFO] [stderr] Checking tracing-core v0.1.31 [INFO] [stderr] Compiling rustversion v1.0.14 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Checking percent-encoding v2.3.0 [INFO] [stderr] Compiling thiserror v1.0.48 [INFO] [stderr] Checking hashbrown v0.14.2 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Checking try-lock v0.2.4 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking regex-syntax v0.7.5 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Checking tower-layer v0.3.2 [INFO] [stderr] Checking want v0.3.1 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Compiling serde_json v1.0.106 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking socket2 v0.5.4 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking indexmap v2.1.0 [INFO] [stderr] Compiling axum-core v0.3.4 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling axum v0.6.20 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking base64 v0.21.4 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling syn v2.0.32 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Compiling rustls v0.20.9 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Compiling trybuild v1.0.84 [INFO] [stderr] Checking integer-encoding v3.0.4 [INFO] [stderr] Checking termcolor v1.2.0 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Checking rustls-pemfile v1.0.3 [INFO] [stderr] Checking ordered-float v1.1.1 [INFO] [stderr] Checking thrift v0.16.0 [INFO] [stderr] Checking regex-automata v0.3.8 [INFO] [stderr] Checking flate2 v1.0.27 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking hdrhistogram v7.5.3 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Checking regex v1.9.5 [INFO] [stderr] Compiling prost-derive v0.11.9 [INFO] [stderr] Compiling tarpc-plugins v0.13.0 [INFO] [stderr] Checking webpki v0.22.1 [INFO] [stderr] Checking sct v0.7.0 [INFO] [stderr] Compiling serde_derive v1.0.188 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling tracing-attributes v0.1.26 [INFO] [stderr] Compiling pin-project-internal v1.1.3 [INFO] [stderr] Compiling thiserror-impl v1.0.48 [INFO] [stderr] Compiling enum-ordinalize v3.1.13 [INFO] [stderr] Compiling educe v0.4.23 [INFO] [stderr] Checking pin-project v1.1.3 [INFO] [stderr] Checking tracing v0.1.37 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stderr] Checking opentelemetry_api v0.18.0 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] Checking futures-test v0.3.28 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Checking basic-toml v0.1.4 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking serde_bytes v0.11.12 [INFO] [stderr] Checking tokio v1.32.0 [INFO] [stderr] Checking http v0.2.11 [INFO] [stderr] Checking prost v0.11.9 [INFO] [stderr] Checking tokio-serde v0.8.0 [INFO] [stderr] Checking prost-types v0.11.9 [INFO] [stderr] Checking http-body v0.4.5 [INFO] [stderr] Checking tokio-util v0.7.8 [INFO] [stderr] Checking tokio-stream v0.1.14 [INFO] [stderr] Checking tokio-io-timeout v1.2.0 [INFO] [stderr] Checking tokio-rustls v0.23.4 [INFO] [stderr] Checking opentelemetry_sdk v0.18.0 [INFO] [stderr] Checking h2 v0.3.22 [INFO] [stderr] Checking tower v0.4.13 [INFO] [stderr] Checking opentelemetry v0.18.0 [INFO] [stderr] Checking tracing-opentelemetry v0.18.0 [INFO] [stderr] Checking opentelemetry-semantic-conventions v0.10.0 [INFO] [stderr] Checking opentelemetry-jaeger v0.17.0 [INFO] [stderr] Checking tarpc v0.34.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `std::task::Poll>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/client.rs:435:26 [INFO] [stdout] | [INFO] [stdout] 435 | match ready!(self.pending_requests_mut().poll_recv(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] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `opentelemetry::Context` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/context.rs:116:23 [INFO] [stdout] | [INFO] [stdout] 112 | let span = tracing::Span::current(); [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 116 | deadline: span [INFO] [stdout] | _______________________^ [INFO] [stdout] 117 | | .context() [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 `std::task::Poll::Item>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/server/limits/channels_per_key.rs:226:22 [INFO] [stdout] | [INFO] [stdout] 226 | match ready!(self.listener_pin_mut().poll_next_unpin(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 `std::task::Poll>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/server/limits/channels_per_key.rs:234:22 [INFO] [stdout] | [INFO] [stdout] 234 | match ready!(self_.dropped_keys.poll_recv(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 `std::task::Poll::Item>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/server/limits/requests_per_channel.rs:167:22 [INFO] [stdout] | [INFO] [stdout] 167 | match ready!(self.as_mut().project().inner.poll_next(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 `Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/server.rs:686:29 [INFO] [stdout] | [INFO] [stdout] 685 | fn start_send(mut self: Pin<&mut Self>, response: Response) -> Result<(), Self::Error> { [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 686 | if let Some(span) = self [INFO] [stdout] | _____________________________^ [INFO] [stdout] 687 | | .in_flight_requests_mut() [INFO] [stdout] 688 | | .remove_request(response.request_id) [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 `std::task::Poll::Resp>>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/server.rs:852:22 [INFO] [stdout] | [INFO] [stdout] 852 | match ready!(self.pending_responses_mut().poll_recv(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] warning: trait `PollContext` is never used [INFO] [stdout] --> src/lib.rs:368:18 [INFO] [stdout] | [INFO] [stdout] 368 | pub(crate) trait PollContext { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 7 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tarpc` (lib) due to 8 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "792e374ee12576b94fa4d172519359cf27ce509f1355baa1da3417ecb424e506", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "792e374ee12576b94fa4d172519359cf27ce509f1355baa1da3417ecb424e506", kill_on_drop: false }` [INFO] [stdout] 792e374ee12576b94fa4d172519359cf27ce509f1355baa1da3417ecb424e506