[INFO] fetching crate dedenne 0.1.0... [INFO] checking dedenne-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate dedenne 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate dedenne 0.1.0 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 dedenne 0.1.0 [INFO] finished tweaking crates.io crate dedenne 0.1.0 [INFO] tweaked toml for crates.io crate dedenne 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate dedenne 0.1.0 already has a lockfile, it will not be regenerated [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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3aac2eff3b75b06bbdb2d14d77a7b4ea05ee153b4c6290b82a747203ac4326b4 [INFO] running `Command { std: "docker" "start" "-a" "3aac2eff3b75b06bbdb2d14d77a7b4ea05ee153b4c6290b82a747203ac4326b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3aac2eff3b75b06bbdb2d14d77a7b4ea05ee153b4c6290b82a747203ac4326b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3aac2eff3b75b06bbdb2d14d77a7b4ea05ee153b4c6290b82a747203ac4326b4", kill_on_drop: false }` [INFO] [stdout] 3aac2eff3b75b06bbdb2d14d77a7b4ea05ee153b4c6290b82a747203ac4326b4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0f899abea21bd8da08b71f1515d46aa348f74e0ebe7da23abae810b3c80ad800 [INFO] running `Command { std: "docker" "start" "-a" "0f899abea21bd8da08b71f1515d46aa348f74e0ebe7da23abae810b3c80ad800", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.64 [INFO] [stderr] Compiling unicode-ident v1.0.10 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling derive-debug v0.1.2 [INFO] [stderr] Checking dedenne v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `RefMut<'_, SwapSpace>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/futuring.rs:63:13 [INFO] [stdout] | [INFO] [stdout] 56 | let lock = self.swap_slot.borrow(); [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 63 | let mut lock = self.swap_slot.borrow_mut(); [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 `Poll` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/futuring.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 105 | let waker = waker(); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 106 | let mut futures_context = std::task::Context::from_waker(&waker); [INFO] [stdout] 107 | match future.as_mut().poll(&mut futures_context) { [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 `GeneratorWrapperInner` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/wrapper.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn start(&mut self, init: S) -> GeneratorResponse { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 51 | let swapped = [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 `R` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:126:17 [INFO] [stdout] | [INFO] [stdout] 124 | let result = futuring::resume(&mut self.gen_func); [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] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 125 | let mut lock = self.swap_slot.borrow_mut(); [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 126 | if let Some(finished) = result { [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 `RefMut<'_, SwapSpace>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/futuring.rs:63:13 [INFO] [stdout] | [INFO] [stdout] 56 | let lock = self.swap_slot.borrow(); [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 63 | let mut lock = self.swap_slot.borrow_mut(); [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 `Poll` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/futuring.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 105 | let waker = waker(); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 106 | let mut futures_context = std::task::Context::from_waker(&waker); [INFO] [stdout] 107 | match future.as_mut().poll(&mut futures_context) { [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] warning: field `0` is never read [INFO] [stdout] --> src/iter.rs:112:21 [INFO] [stdout] | [INFO] [stdout] 112 | ExhaustedIterator(StartedGenerator), [INFO] [stdout] | ----------------- ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 112 | ExhaustedIterator(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `dedenne` (lib) due to 5 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `GeneratorWrapperInner` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/wrapper.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn start(&mut self, init: S) -> GeneratorResponse { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 51 | let swapped = [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 `R` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:126:17 [INFO] [stdout] | [INFO] [stdout] 124 | let result = futuring::resume(&mut self.gen_func); [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] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 125 | let mut lock = self.swap_slot.borrow_mut(); [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 126 | if let Some(finished) = result { [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] warning: field `0` is never read [INFO] [stdout] --> src/iter.rs:112:21 [INFO] [stdout] | [INFO] [stdout] 112 | ExhaustedIterator(StartedGenerator), [INFO] [stdout] | ----------------- ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 112 | ExhaustedIterator(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `dedenne` (lib test) due to 5 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "0f899abea21bd8da08b71f1515d46aa348f74e0ebe7da23abae810b3c80ad800", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f899abea21bd8da08b71f1515d46aa348f74e0ebe7da23abae810b3c80ad800", kill_on_drop: false }` [INFO] [stdout] 0f899abea21bd8da08b71f1515d46aa348f74e0ebe7da23abae810b3c80ad800