[INFO] fetching crate stackbox 0.2.2... [INFO] checking stackbox-0.2.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate stackbox 0.2.2 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate stackbox 0.2.2 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] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml [INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain [INFO] started tweaking crates.io crate stackbox 0.2.2 [INFO] finished tweaking crates.io crate stackbox 0.2.2 [INFO] tweaked toml for crates.io crate stackbox 0.2.2 written to /workspace/builds/worker-5-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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 11 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a639a621879b6a2d582d043fd8ab66008a5d3c2582837960f956cb84c8ea9115 [INFO] running `Command { std: "docker" "start" "-a" "a639a621879b6a2d582d043fd8ab66008a5d3c2582837960f956cb84c8ea9115", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a639a621879b6a2d582d043fd8ab66008a5d3c2582837960f956cb84c8ea9115", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a639a621879b6a2d582d043fd8ab66008a5d3c2582837960f956cb84c8ea9115", kill_on_drop: false }` [INFO] [stdout] a639a621879b6a2d582d043fd8ab66008a5d3c2582837960f956cb84c8ea9115 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c4ea0d51bdf5a0fe7859a43ca0684655aff0ad50e7e6d535a9c236190e3da2cb [INFO] running `Command { std: "docker" "start" "-a" "c4ea0d51bdf5a0fe7859a43ca0684655aff0ad50e7e6d535a9c236190e3da2cb", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking stackbox v0.2.2 (/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/stackbox/mod.rs:234:13 [INFO] [stdout] | [INFO] [stdout] 230 | fn with_new (value: T, ret: F) -> R [INFO] [stdout] | -------- ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 234 | ret(StackBox::new_in(&mut mk_slot(), value)) [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/stackbox/slice/mod.rs:195:12 [INFO] [stdout] | [INFO] [stdout] 189 | stackbox: StackBox<'frame, [Item]>, [INFO] [stdout] | ---------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 195 | Ok(unsafe { [INFO] [stdout] | ____________^ [INFO] [stdout] 196 | | let wide_ptr: *mut [Item] = [INFO] [stdout] 197 | | <*const _>::read( [INFO] [stdout] 198 | | &::core::mem::ManuallyDrop::new(stackbox).unique_ptr [INFO] [stdout] ... | [INFO] [stdout] 207 | | } [INFO] [stdout] 208 | | }) [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 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `stackbox` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "c4ea0d51bdf5a0fe7859a43ca0684655aff0ad50e7e6d535a9c236190e3da2cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4ea0d51bdf5a0fe7859a43ca0684655aff0ad50e7e6d535a9c236190e3da2cb", kill_on_drop: false }` [INFO] [stdout] c4ea0d51bdf5a0fe7859a43ca0684655aff0ad50e7e6d535a9c236190e3da2cb