[INFO] fetching crate task_simple 0.4.1... [INFO] checking task_simple-0.4.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate task_simple 0.4.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate task_simple 0.4.1 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 task_simple 0.4.1 [INFO] finished tweaking crates.io crate task_simple 0.4.1 [INFO] tweaked toml for crates.io crate task_simple 0.4.1 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 50 packages to latest compatible versions [INFO] [stderr] Adding proc-macro-crate v1.3.1 (latest: v3.2.0) [INFO] [stderr] Adding toml_edit v0.19.15 (latest: v0.22.20) [INFO] [stderr] Adding winnow v0.5.40 (latest: v0.6.18) [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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 00fe8b1fc7d71c729f153f9f01dd157f7179c5cc5001865b2c699d0b955d9ee5 [INFO] running `Command { std: "docker" "start" "-a" "00fe8b1fc7d71c729f153f9f01dd157f7179c5cc5001865b2c699d0b955d9ee5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "00fe8b1fc7d71c729f153f9f01dd157f7179c5cc5001865b2c699d0b955d9ee5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00fe8b1fc7d71c729f153f9f01dd157f7179c5cc5001865b2c699d0b955d9ee5", kill_on_drop: false }` [INFO] [stdout] 00fe8b1fc7d71c729f153f9f01dd157f7179c5cc5001865b2c699d0b955d9ee5 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d021486960094d346096ee1e0256f8e1d7704b117b6481a33118e5c2241c78e0 [INFO] running `Command { std: "docker" "start" "-a" "d021486960094d346096ee1e0256f8e1d7704b117b6481a33118e5c2241c78e0", kill_on_drop: false }` [INFO] [stderr] Checking task_simple v0.4.1 (/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/task.rs:96:33 [INFO] [stdout] | [INFO] [stdout] 96 | .map(|_| (None, Task::new(task_name))) [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/ongoing_task.rs:80:30 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn new(task_name: &str, initial_state: F::InitialState) -> Self { [INFO] [stdout] | ------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 80 | background_task: { [INFO] [stdout] | ______________________________^ [INFO] [stdout] 81 | | #[cfg(not(target_arch = "wasm32"))] [INFO] [stdout] 82 | | { [INFO] [stdout] 83 | | std_task::BackgroundTaskStd::new(task_name, initial_state) [INFO] [stdout] ... | [INFO] [stdout] 88 | | } [INFO] [stdout] 89 | | }, [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 `task_simple` (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/task.rs:96:33 [INFO] [stdout] | [INFO] [stdout] 96 | .map(|_| (None, Task::new(task_name))) [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/ongoing_task.rs:80:30 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn new(task_name: &str, initial_state: F::InitialState) -> Self { [INFO] [stdout] | ------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 80 | background_task: { [INFO] [stdout] | ______________________________^ [INFO] [stdout] 81 | | #[cfg(not(target_arch = "wasm32"))] [INFO] [stdout] 82 | | { [INFO] [stdout] 83 | | std_task::BackgroundTaskStd::new(task_name, initial_state) [INFO] [stdout] ... | [INFO] [stdout] 88 | | } [INFO] [stdout] 89 | | }, [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 `task_simple` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "d021486960094d346096ee1e0256f8e1d7704b117b6481a33118e5c2241c78e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d021486960094d346096ee1e0256f8e1d7704b117b6481a33118e5c2241c78e0", kill_on_drop: false }` [INFO] [stdout] d021486960094d346096ee1e0256f8e1d7704b117b6481a33118e5c2241c78e0