[INFO] fetching crate serio 0.1.0... [INFO] checking serio-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate serio 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate serio 0.1.0 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 serio 0.1.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate serio 0.1.0 [INFO] tweaked toml for crates.io crate serio 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate serio 0.1.0 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] 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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dafb55b1b6bf01b2748b90b8eab2e1c0fa1d2d7291cf040f8847f0e65bd6711b [INFO] running `Command { std: "docker" "start" "-a" "dafb55b1b6bf01b2748b90b8eab2e1c0fa1d2d7291cf040f8847f0e65bd6711b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dafb55b1b6bf01b2748b90b8eab2e1c0fa1d2d7291cf040f8847f0e65bd6711b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dafb55b1b6bf01b2748b90b8eab2e1c0fa1d2d7291cf040f8847f0e65bd6711b", kill_on_drop: false }` [INFO] [stdout] dafb55b1b6bf01b2748b90b8eab2e1c0fa1d2d7291cf040f8847f0e65bd6711b [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5db83155a7ddedb368a4b81217e987a7832d5ec84f042292e6f51db6f3bef7f2 [INFO] running `Command { std: "docker" "start" "-a" "5db83155a7ddedb368a4b81217e987a7832d5ec84f042292e6f51db6f3bef7f2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Compiling serde v1.0.203 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking bytes v1.6.0 [INFO] [stderr] Compiling syn v2.0.68 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking parking_lot_core v0.9.10 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling serde_derive v1.0.203 [INFO] [stderr] Compiling tokio-macros v2.3.0 [INFO] [stderr] Checking tokio v1.38.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking tokio-util v0.7.11 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking serio v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Poll>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/stream.rs:271:22 [INFO] [stdout] | [INFO] [stdout] 271 | match ready!(Pin::new(&mut self.next).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] | [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] [stderr] error: could not compile `serio` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `Poll>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/stream.rs:271:22 [INFO] [stdout] | [INFO] [stdout] 271 | match ready!(Pin::new(&mut self.next).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] | [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] [stderr] error: could not compile `serio` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "5db83155a7ddedb368a4b81217e987a7832d5ec84f042292e6f51db6f3bef7f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5db83155a7ddedb368a4b81217e987a7832d5ec84f042292e6f51db6f3bef7f2", kill_on_drop: false }` [INFO] [stdout] 5db83155a7ddedb368a4b81217e987a7832d5ec84f042292e6f51db6f3bef7f2