[INFO] fetching crate for-loop-iterator 0.2.2... [INFO] checking for-loop-iterator-0.2.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate for-loop-iterator 0.2.2 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate for-loop-iterator 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] started tweaking crates.io crate for-loop-iterator 0.2.2 [INFO] finished tweaking crates.io crate for-loop-iterator 0.2.2 [INFO] tweaked toml for crates.io crate for-loop-iterator 0.2.2 written to /workspace/builds/worker-4-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] 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] 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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5568392a5c6fbfe4a36872359ef31cffffc45952b221ba63b704164400c008e9 [INFO] running `Command { std: "docker" "start" "-a" "5568392a5c6fbfe4a36872359ef31cffffc45952b221ba63b704164400c008e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5568392a5c6fbfe4a36872359ef31cffffc45952b221ba63b704164400c008e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5568392a5c6fbfe4a36872359ef31cffffc45952b221ba63b704164400c008e9", kill_on_drop: false }` [INFO] [stdout] 5568392a5c6fbfe4a36872359ef31cffffc45952b221ba63b704164400c008e9 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fdde1d1af22113014fed485f2aba5ea7a0a185e9a45f772f5139ed9028a022cd [INFO] running `Command { std: "docker" "start" "-a" "fdde1d1af22113014fed485f2aba5ea7a0a185e9a45f772f5139ed9028a022cd", kill_on_drop: false }` [INFO] [stderr] Checking for-loop-iterator v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `ops::Add` and `process::Output` [INFO] [stdout] --> src/test.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{ops::Add, process::Output}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [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/lib.rs:48:30 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn new(init: Item, pred: impl Fn(&Item) -> bool + 'static, next: impl Fn(&Item) -> Item + 'static) -> ForLoopIterator [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] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 48 | while_predicate: Box::new(pred), [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/lib.rs:49:34 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn new(init: Item, pred: impl Fn(&Item) -> bool + 'static, next: impl Fn(&Item) -> Item + 'static) -> ForLoopIterator [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] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 49 | next_value_function: Box::new(next) [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 `for-loop-iterator` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/lib.rs:48:30 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn new(init: Item, pred: impl Fn(&Item) -> bool + 'static, next: impl Fn(&Item) -> Item + 'static) -> ForLoopIterator [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] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 48 | while_predicate: Box::new(pred), [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/lib.rs:49:34 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn new(init: Item, pred: impl Fn(&Item) -> bool + 'static, next: impl Fn(&Item) -> Item + 'static) -> ForLoopIterator [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] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 49 | next_value_function: Box::new(next) [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `for-loop-iterator` (lib test) due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "fdde1d1af22113014fed485f2aba5ea7a0a185e9a45f772f5139ed9028a022cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdde1d1af22113014fed485f2aba5ea7a0a185e9a45f772f5139ed9028a022cd", kill_on_drop: false }` [INFO] [stdout] fdde1d1af22113014fed485f2aba5ea7a0a185e9a45f772f5139ed9028a022cd