[INFO] fetching crate mqtt_macro 0.1.0... [INFO] checking mqtt_macro-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate mqtt_macro 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate mqtt_macro 0.1.0 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 mqtt_macro 0.1.0 [INFO] finished tweaking crates.io crate mqtt_macro 0.1.0 [INFO] tweaked toml for crates.io crate mqtt_macro 0.1.0 written to /workspace/builds/worker-1-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] Updating crates.io index [INFO] [stderr] Locking 24 packages to latest compatible versions [INFO] [stderr] Adding proc-macro-crate v1.3.1 (latest: v3.2.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding toml_edit v0.19.15 (latest: v0.22.20) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 637b480ada07c6ea2c9ee1a26eab6d3d5796452f6ee7e926f1000fc500f83920 [INFO] running `Command { std: "docker" "start" "-a" "637b480ada07c6ea2c9ee1a26eab6d3d5796452f6ee7e926f1000fc500f83920", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "637b480ada07c6ea2c9ee1a26eab6d3d5796452f6ee7e926f1000fc500f83920", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "637b480ada07c6ea2c9ee1a26eab6d3d5796452f6ee7e926f1000fc500f83920", kill_on_drop: false }` [INFO] [stdout] 637b480ada07c6ea2c9ee1a26eab6d3d5796452f6ee7e926f1000fc500f83920 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] de94316a231c45000329eedc3ddbc5787cc53f3599b42652ea7c49f616d041c7 [INFO] running `Command { std: "docker" "start" "-a" "de94316a231c45000329eedc3ddbc5787cc53f3599b42652ea7c49f616d041c7", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Compiling winnow v0.5.40 [INFO] [stderr] Compiling toml_datetime v0.6.8 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling toml_edit v0.19.15 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling proc-macro-crate v1.3.1 [INFO] [stderr] Compiling mqtt-procmacro v1.0.0 [INFO] [stderr] Checking serde v1.0.209 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking mqtt_macro v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `MqttUpdate::*` [INFO] [stdout] --> src/tests.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | use MqttUpdate::*; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [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/serde_impl.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | serde_json::from_str(payload).map_err(|e| MqttDeserializeError::Serde(e)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will 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: aborting due to 1 previous error [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/serde_impl.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | serde_json::from_str(payload).map_err(|e| MqttDeserializeError::Serde(e)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will 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: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mqtt_macro` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `mqtt_macro` (lib test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "de94316a231c45000329eedc3ddbc5787cc53f3599b42652ea7c49f616d041c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de94316a231c45000329eedc3ddbc5787cc53f3599b42652ea7c49f616d041c7", kill_on_drop: false }` [INFO] [stdout] de94316a231c45000329eedc3ddbc5787cc53f3599b42652ea7c49f616d041c7