[INFO] fetching crate smolbar 0.8.4... [INFO] checking smolbar-0.8.4 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate smolbar 0.8.4 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate smolbar 0.8.4 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 smolbar 0.8.4 [INFO] finished tweaking crates.io crate smolbar 0.8.4 [INFO] tweaked toml for crates.io crate smolbar 0.8.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate smolbar 0.8.4 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7eb0d2196c1878fdd5e1198cac9aa44ad123f2327273a8c596ea08a875624b5d [INFO] running `Command { std: "docker" "start" "-a" "7eb0d2196c1878fdd5e1198cac9aa44ad123f2327273a8c596ea08a875624b5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7eb0d2196c1878fdd5e1198cac9aa44ad123f2327273a8c596ea08a875624b5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7eb0d2196c1878fdd5e1198cac9aa44ad123f2327273a8c596ea08a875624b5d", kill_on_drop: false }` [INFO] [stdout] 7eb0d2196c1878fdd5e1198cac9aa44ad123f2327273a8c596ea08a875624b5d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 77dcd65e06563521250175fa99bd2e5681ee5ddbf9be4298fe9a099af10bf97f [INFO] running `Command { std: "docker" "start" "-a" "77dcd65e06563521250175fa99bd2e5681ee5ddbf9be4298fe9a099af10bf97f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.70 [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Compiling semver v1.0.20 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Compiling anyhow v1.0.76 [INFO] [stderr] Checking winnow v0.5.28 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking constptr v0.2.0 [INFO] [stderr] Checking futures-sink v0.3.29 [INFO] [stderr] Compiling mutants v0.0.3 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking indexmap v2.1.0 [INFO] [stderr] Compiling syn v2.0.41 [INFO] [stderr] Compiling serde_derive v1.0.193 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Checking tokio v1.35.1 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking serde_spanned v0.6.4 [INFO] [stderr] Checking toml_datetime v0.6.5 [INFO] [stderr] Checking serde_test v1.0.176 [INFO] [stderr] Checking argh_shared v0.1.12 [INFO] [stderr] Checking toml_edit v0.21.0 [INFO] [stderr] Compiling argh_derive v0.1.12 [INFO] [stderr] Checking cowstr v1.2.0 [INFO] [stderr] Checking argh v0.1.12 [INFO] [stderr] Checking toml v0.8.8 [INFO] [stderr] Checking smolbar v0.8.4 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `tokio::task::JoinHandle<()>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/block.rs:87:13 [INFO] [stdout] | [INFO] [stdout] 86 | pub async fn listen(mut self) { [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 87 | let interval_handle = self [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 111 | / tokio::select!( [INFO] [stdout] 112 | | () = self.cancel.cancelled() => { [INFO] [stdout] 113 | | let _enter = span.enter(); [INFO] [stdout] 114 | | tracing::trace!("shutting down"); [INFO] [stdout] ... | [INFO] [stdout] 129 | | } [INFO] [stdout] 130 | | ); [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 `Span` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/block.rs:293:13 [INFO] [stdout] | [INFO] [stdout] 293 | let span = span!( [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 331 | / tokio::select!( [INFO] [stdout] 332 | | () = self.cancel.cancelled() => { [INFO] [stdout] 333 | | let _enter = span.enter(); [INFO] [stdout] 334 | | tracing::trace!("command cancelled"); [INFO] [stdout] ... | [INFO] [stdout] 363 | | } [INFO] [stdout] 364 | | ); [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 `tokio::task::JoinHandle<()>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/block.rs:87:13 [INFO] [stdout] | [INFO] [stdout] 86 | pub async fn listen(mut self) { [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 87 | let interval_handle = self [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 111 | / tokio::select!( [INFO] [stdout] 112 | | () = self.cancel.cancelled() => { [INFO] [stdout] 113 | | let _enter = span.enter(); [INFO] [stdout] 114 | | tracing::trace!("shutting down"); [INFO] [stdout] ... | [INFO] [stdout] 129 | | } [INFO] [stdout] 130 | | ); [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 `Span` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/block.rs:293:13 [INFO] [stdout] | [INFO] [stdout] 293 | let span = span!( [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 331 | / tokio::select!( [INFO] [stdout] 332 | | () = self.cancel.cancelled() => { [INFO] [stdout] 333 | | let _enter = span.enter(); [INFO] [stdout] 334 | | tracing::trace!("command cancelled"); [INFO] [stdout] ... | [INFO] [stdout] 363 | | } [INFO] [stdout] 364 | | ); [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 `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/bar.rs:281:27 [INFO] [stdout] | [INFO] [stdout] 273 | let span = span!( [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 281 | match signal(sig_kind) { [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 `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/bar.rs:281:27 [INFO] [stdout] | [INFO] [stdout] 273 | let span = span!( [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 281 | match signal(sig_kind) { [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 `smolbar` (bin "smolbar") due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `smolbar` (bin "smolbar" test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "77dcd65e06563521250175fa99bd2e5681ee5ddbf9be4298fe9a099af10bf97f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77dcd65e06563521250175fa99bd2e5681ee5ddbf9be4298fe9a099af10bf97f", kill_on_drop: false }` [INFO] [stdout] 77dcd65e06563521250175fa99bd2e5681ee5ddbf9be4298fe9a099af10bf97f