[INFO] fetching crate cloudevents-sdk-rdkafka 0.3.1... [INFO] checking cloudevents-sdk-rdkafka-0.3.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate cloudevents-sdk-rdkafka 0.3.1 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate cloudevents-sdk-rdkafka 0.3.1 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 cloudevents-sdk-rdkafka 0.3.1 [INFO] finished tweaking crates.io crate cloudevents-sdk-rdkafka 0.3.1 [INFO] tweaked toml for crates.io crate cloudevents-sdk-rdkafka 0.3.1 written to /workspace/builds/worker-0-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 110 packages to latest compatible versions [INFO] [stderr] Adding base64 v0.12.3 (latest: v0.22.1) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding bytes v0.5.6 (latest: v1.7.1) [INFO] [stderr] Adding cloudevents-sdk v0.3.1 (latest: v0.7.0) [INFO] [stderr] Adding delegate-attr v0.2.9 (latest: v0.3.0) [INFO] [stderr] Adding hostname v0.3.1 (latest: v0.4.0) [INFO] [stderr] Adding idna v0.5.0 (latest: v1.0.2) [INFO] [stderr] Adding num_enum v0.5.11 (latest: v0.7.3) [INFO] [stderr] Adding num_enum_derive v0.5.11 (latest: v0.7.3) [INFO] [stderr] Adding pin-project-lite v0.1.12 (latest: v0.2.14) [INFO] [stderr] Adding proc-macro-crate v1.3.1 (latest: v3.2.0) [INFO] [stderr] Adding pulldown-cmark v0.9.6 (latest: v0.12.0) [INFO] [stderr] Adding rdkafka v0.24.0 (latest: v0.36.2) [INFO] [stderr] Adding rdkafka-sys v2.1.0+1.5.0 (latest: v4.7.0+2.3.0) [INFO] [stderr] Adding snafu v0.6.10 (latest: v0.8.4) [INFO] [stderr] Adding snafu-derive v0.6.10 (latest: v0.8.4) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding tokio v0.2.25 (latest: v1.40.0) [INFO] [stderr] Adding toml v0.7.8 (latest: v0.8.19) [INFO] [stderr] Adding toml_edit v0.19.15 (latest: v0.22.20) [INFO] [stderr] Adding uuid v0.8.2 (latest: v1.10.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.58.0) [INFO] [stderr] Adding winnow v0.5.40 (latest: v0.6.18) [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] [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f1c90054986283773e2c8bc8b812a9c9e6c434a04d39798c4089be699eaf55de [INFO] running `Command { std: "docker" "start" "-a" "f1c90054986283773e2c8bc8b812a9c9e6c434a04d39798c4089be699eaf55de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f1c90054986283773e2c8bc8b812a9c9e6c434a04d39798c4089be699eaf55de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1c90054986283773e2c8bc8b812a9c9e6c434a04d39798c4089be699eaf55de", kill_on_drop: false }` [INFO] [stdout] f1c90054986283773e2c8bc8b812a9c9e6c434a04d39798c4089be699eaf55de [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e4ec0782c631077e60f97fb096ccba7112ca892f7642634b3bbae456696de134 [INFO] running `Command { std: "docker" "start" "-a" "e4ec0782c631077e60f97fb096ccba7112ca892f7642634b3bbae456696de134", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling winnow v0.5.40 [INFO] [stderr] Compiling libz-sys v1.1.20 [INFO] [stderr] Compiling cmake v0.1.51 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking unicode-ident v1.0.12 [INFO] [stderr] Checking indexmap v2.5.0 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking match_cfg v0.1.0 [INFO] [stderr] Compiling pulldown-cmark v0.9.6 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Checking hostname v0.3.1 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Compiling rdkafka-sys v2.1.0+1.5.0 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Checking syn v2.0.77 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling snafu-derive v0.6.10 [INFO] [stderr] Compiling delegate-attr v0.2.9 [INFO] [stderr] Checking snafu v0.6.10 [INFO] [stderr] Checking serde v1.0.209 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking serde_spanned v0.6.7 [INFO] [stderr] Checking url v2.5.2 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking toml_datetime v0.6.8 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Checking toml_edit v0.19.15 [INFO] [stderr] Checking cloudevents-sdk v0.3.1 [INFO] [stderr] Checking toml v0.7.8 [INFO] [stderr] Checking version-sync v0.9.5 [INFO] [stderr] Compiling proc-macro-crate v1.3.1 [INFO] [stderr] Compiling num_enum_derive v0.5.11 [INFO] [stderr] Checking num_enum v0.5.11 [INFO] [stderr] Checking rdkafka v0.24.0 [INFO] [stderr] Checking cloudevents-sdk-rdkafka v0.3.1 (/opt/rustwide/workdir) [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/headers.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | fn attributes_to_headers(it: impl Iterator) -> HashMap<&'static str, String> { [INFO] [stdout] | -------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 12 | / it.map(|s| { [INFO] [stdout] 13 | | if s == "datacontenttype" { [INFO] [stdout] 14 | | (s, String::from("content-type")) [INFO] [stdout] 15 | | } else { [INFO] [stdout] 16 | | (s, attribute_name_to_header!(s)) [INFO] [stdout] 17 | | } [INFO] [stdout] 18 | | }) [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/kafka_consumer_record.rs:50:29 [INFO] [stdout] | [INFO] [stdout] 50 | source: Box::new(e), [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/kafka_consumer_record.rs:213:20 [INFO] [stdout] | [INFO] [stdout] 191 | let message_record = MessageRecord::from_event( [INFO] [stdout] | -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 203 | let owned_message = OwnedMessage::new( [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 213 | assert_eq!(owned_message.to_event().unwrap(), expected) [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/kafka_consumer_record.rs:256:20 [INFO] [stdout] | [INFO] [stdout] 243 | let serialized_event = [INFO] [stdout] | ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 246 | let owned_message = OwnedMessage::new( [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 256 | assert_eq!(owned_message.to_event().unwrap(), expected) [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/headers.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | fn attributes_to_headers(it: impl Iterator) -> HashMap<&'static str, String> { [INFO] [stdout] | -------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 12 | / it.map(|s| { [INFO] [stdout] 13 | | if s == "datacontenttype" { [INFO] [stdout] 14 | | (s, String::from("content-type")) [INFO] [stdout] 15 | | } else { [INFO] [stdout] 16 | | (s, attribute_name_to_header!(s)) [INFO] [stdout] 17 | | } [INFO] [stdout] 18 | | }) [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/kafka_consumer_record.rs:50:29 [INFO] [stdout] | [INFO] [stdout] 50 | source: Box::new(e), [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cloudevents-sdk-rdkafka` (lib test) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `cloudevents-sdk-rdkafka` (lib) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "e4ec0782c631077e60f97fb096ccba7112ca892f7642634b3bbae456696de134", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4ec0782c631077e60f97fb096ccba7112ca892f7642634b3bbae456696de134", kill_on_drop: false }` [INFO] [stdout] e4ec0782c631077e60f97fb096ccba7112ca892f7642634b3bbae456696de134