[INFO] fetching crate bicoro 0.19.0... [INFO] checking bicoro-0.19.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate bicoro 0.19.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate bicoro 0.19.0 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 bicoro 0.19.0 [INFO] finished tweaking crates.io crate bicoro 0.19.0 [INFO] tweaked toml for crates.io crate bicoro 0.19.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate bicoro 0.19.0 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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1f0063525cb2c57ef3223d25875c06f02b71586c6e9185198a9f46cd2614cbc9 [INFO] running `Command { std: "docker" "start" "-a" "1f0063525cb2c57ef3223d25875c06f02b71586c6e9185198a9f46cd2614cbc9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1f0063525cb2c57ef3223d25875c06f02b71586c6e9185198a9f46cd2614cbc9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f0063525cb2c57ef3223d25875c06f02b71586c6e9185198a9f46cd2614cbc9", kill_on_drop: false }` [INFO] [stdout] 1f0063525cb2c57ef3223d25875c06f02b71586c6e9185198a9f46cd2614cbc9 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 91e6929d5abf096af728dbabe23a69b7fc8cc4475f359aa022875334b85c99a9 [INFO] running `Command { std: "docker" "start" "-a" "91e6929d5abf096af728dbabe23a69b7fc8cc4475f359aa022875334b85c99a9", kill_on_drop: false }` [INFO] [stderr] Checking do-notation v0.1.3 [INFO] [stderr] Checking bicoro v0.19.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::compat::*` [INFO] [stdout] --> src/lib.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub use crate::compat::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::compat::*` [INFO] [stdout] --> src/lib.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub use crate::compat::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `(coroutine::StepResult<'_, IA, OA, A>, coroutine::StepResult<'_, IB, OB, B>)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/cooperate.rs:38:11 [INFO] [stdout] | [INFO] [stdout] 19 | selector: S, [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 20 | map_first: MA, [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 21 | map_second: MB, [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 38 | match (sr1, sr2) { [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 `(coroutine::StepResult<'_, IA, OA, A>, coroutine::StepResult<'_, IB, OB, B>)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/cooperate.rs:38:11 [INFO] [stdout] | [INFO] [stdout] 19 | selector: S, [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 20 | map_first: MA, [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 21 | map_second: MB, [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 38 | match (sr1, sr2) { [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 `coroutine::StepResult<'_, ChildInput, ChildOutput, Result>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/functions.rs:85:11 [INFO] [stdout] | [INFO] [stdout] 75 | on_input: OnInput, [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 76 | on_output: OnOutput, [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 85 | match run_step(child) { [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 `coroutine::StepResult<'_, IA, O, R>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/functions.rs:208:11 [INFO] [stdout] | [INFO] [stdout] 201 | sel: F, [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 208 | match run_step(co) { [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 `coroutine::StepResult<'_, ChildInput, ChildOutput, Result>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/functions.rs:85:11 [INFO] [stdout] | [INFO] [stdout] 75 | on_input: OnInput, [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 76 | on_output: OnOutput, [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 85 | match run_step(child) { [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 `coroutine::StepResult<'_, I, O, R>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/functions.rs:301:11 [INFO] [stdout] | [INFO] [stdout] 296 | pub fn inject(input: I, co: Coroutine) -> Coroutine [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 301 | match run_step(co) { [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 `coroutine::StepResult<'_, IA, O, R>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/functions.rs:208:11 [INFO] [stdout] | [INFO] [stdout] 201 | sel: F, [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 208 | match run_step(co) { [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 `coroutine::StepResult<'_, SI, SO, Result>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/result.rs:74:11 [INFO] [stdout] | [INFO] [stdout] 63 | on_input: FI, [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 64 | on_output: FO, [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 74 | match run_step(subroutine) { [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 `coroutine::StepResult<'_, I, O, R>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/functions.rs:301:11 [INFO] [stdout] | [INFO] [stdout] 296 | pub fn inject(input: I, co: Coroutine) -> Coroutine [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 301 | match run_step(co) { [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 `coroutine::StepResult<'_, SI, SO, Result>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/result.rs:74:11 [INFO] [stdout] | [INFO] [stdout] 63 | on_input: FI, [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 64 | on_output: FO, [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 74 | match run_step(subroutine) { [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, Option>)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/iterator.rs:69:15 [INFO] [stdout] | [INFO] [stdout] 68 | pub fn finish(self) -> (CoroutineIteratorResult<'a, I, O, R>, Option) { [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] 69 | match (self.result, self.co) { [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, Option>)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/iterator.rs:69:15 [INFO] [stdout] | [INFO] [stdout] 68 | pub fn finish(self) -> (CoroutineIteratorResult<'a, I, O, R>, Option) { [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] 69 | match (self.result, self.co) { [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 6 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bicoro` (lib test) due to 7 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `bicoro` (lib) due to 7 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "91e6929d5abf096af728dbabe23a69b7fc8cc4475f359aa022875334b85c99a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91e6929d5abf096af728dbabe23a69b7fc8cc4475f359aa022875334b85c99a9", kill_on_drop: false }` [INFO] [stdout] 91e6929d5abf096af728dbabe23a69b7fc8cc4475f359aa022875334b85c99a9