[INFO] fetching crate fixed-slice-deque 0.1.0-beta2... [INFO] checking fixed-slice-deque-0.1.0-beta2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate fixed-slice-deque 0.1.0-beta2 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate fixed-slice-deque 0.1.0-beta2 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 fixed-slice-deque 0.1.0-beta2 [INFO] finished tweaking crates.io crate fixed-slice-deque 0.1.0-beta2 [INFO] tweaked toml for crates.io crate fixed-slice-deque 0.1.0-beta2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 6 packages to latest compatible versions [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a9a18c20516f401d5254922ee5cf5211d3a9a8f4e3f7cbaa89919bcf06134f2c [INFO] running `Command { std: "docker" "start" "-a" "a9a18c20516f401d5254922ee5cf5211d3a9a8f4e3f7cbaa89919bcf06134f2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a9a18c20516f401d5254922ee5cf5211d3a9a8f4e3f7cbaa89919bcf06134f2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9a18c20516f401d5254922ee5cf5211d3a9a8f4e3f7cbaa89919bcf06134f2c", kill_on_drop: false }` [INFO] [stdout] a9a18c20516f401d5254922ee5cf5211d3a9a8f4e3f7cbaa89919bcf06134f2c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 81ffa549b7cbe95f33f2dea8acc5fa269a0e4b85592dee18681fb7552c7a31a7 [INFO] running `Command { std: "docker" "start" "-a" "81ffa549b7cbe95f33f2dea8acc5fa269a0e4b85592dee18681fb7552c7a31a7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Checking slice-deque v0.3.0 [INFO] [stderr] Checking fixed-slice-deque v0.1.0-beta2 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `FixedSliceDeque` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:2068:17 [INFO] [stdout] | [INFO] [stdout] 145 | / { [INFO] [stdout] 146 | | let sdeq = ::slice_deque::sdeq![$($x),*]; [INFO] [stdout] 147 | | let deq = $crate::FixedSliceDeque::from_slice_deque(sdeq); [INFO] [stdout] 148 | | deq [INFO] [stdout] 149 | | } [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] ... [INFO] [stdout] 2068 | | let mut deq = [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] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:1598:21 [INFO] [stdout] | [INFO] [stdout] 1598 | struct Elem(i32); [INFO] [stdout] | ---- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:1618:21 [INFO] [stdout] | [INFO] [stdout] 1618 | struct Elem(i32); [INFO] [stdout] | ---- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fixed-slice-deque` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "81ffa549b7cbe95f33f2dea8acc5fa269a0e4b85592dee18681fb7552c7a31a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81ffa549b7cbe95f33f2dea8acc5fa269a0e4b85592dee18681fb7552c7a31a7", kill_on_drop: false }` [INFO] [stdout] 81ffa549b7cbe95f33f2dea8acc5fa269a0e4b85592dee18681fb7552c7a31a7