[INFO] fetching crate rc-dlist-deque 1.1.2... [INFO] checking rc-dlist-deque-1.1.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate rc-dlist-deque 1.1.2 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate rc-dlist-deque 1.1.2 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 rc-dlist-deque 1.1.2 [INFO] finished tweaking crates.io crate rc-dlist-deque 1.1.2 [INFO] tweaked toml for crates.io crate rc-dlist-deque 1.1.2 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 930d0829457f72d72c4b85d474b50b8d124e725ab03ffbb737b8e40259ee11e0 [INFO] running `Command { std: "docker" "start" "-a" "930d0829457f72d72c4b85d474b50b8d124e725ab03ffbb737b8e40259ee11e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "930d0829457f72d72c4b85d474b50b8d124e725ab03ffbb737b8e40259ee11e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "930d0829457f72d72c4b85d474b50b8d124e725ab03ffbb737b8e40259ee11e0", kill_on_drop: false }` [INFO] [stdout] 930d0829457f72d72c4b85d474b50b8d124e725ab03ffbb737b8e40259ee11e0 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8747236d649693ddc5042bde031001dc537faaf17a4b084bb1caca317cb02f15 [INFO] running `Command { std: "docker" "start" "-a" "8747236d649693ddc5042bde031001dc537faaf17a4b084bb1caca317cb02f15", kill_on_drop: false }` [INFO] [stderr] Checking rc-dlist-deque v1.1.2 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Vec>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/dlist/test.rs:197:17 [INFO] [stdout] | [INFO] [stdout] 122 | let $tracker = Rc::new(RefCell::new(Tracker::new())); [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 127 | let mut $l : List = List::new(); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 197 | let mut copies = Vec::new(); [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: this value of type `ListIterator` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/dlist/test.rs:256:22 [INFO] [stdout] | [INFO] [stdout] 122 | let $tracker = Rc::new(RefCell::new(Tracker::new())); [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 127 | let mut $l : List = List::new(); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 256 | for n in &l { [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 `Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/dlist/test.rs:339:17 [INFO] [stdout] | [INFO] [stdout] 122 | let $tracker = Rc::new(RefCell::new(Tracker::new())); [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 127 | let mut $l : List = List::new(); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 339 | let exp = l.first_last(tail); [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 `rc-dlist-deque` (lib test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "8747236d649693ddc5042bde031001dc537faaf17a4b084bb1caca317cb02f15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8747236d649693ddc5042bde031001dc537faaf17a4b084bb1caca317cb02f15", kill_on_drop: false }` [INFO] [stdout] 8747236d649693ddc5042bde031001dc537faaf17a4b084bb1caca317cb02f15