[INFO] fetching crate iterator_ilp 2.1.2... [INFO] checking iterator_ilp-2.1.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate iterator_ilp 2.1.2 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate iterator_ilp 2.1.2 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 iterator_ilp 2.1.2 [INFO] finished tweaking crates.io crate iterator_ilp 2.1.2 [INFO] tweaked toml for crates.io crate iterator_ilp 2.1.2 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 97 packages to latest compatible versions [INFO] [stderr] Adding anes v0.1.6 (latest: v0.2.0) [INFO] [stderr] Adding bit-set v0.5.3 (latest: v0.8.0) [INFO] [stderr] Adding bit-vec v0.6.3 (latest: v0.8.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.13.0) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (latest: v0.6.5) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 24373f638669ca7e79e2be2b51241ac8ef2b92ecae6008d103e5ce71fd795f99 [INFO] running `Command { std: "docker" "start" "-a" "24373f638669ca7e79e2be2b51241ac8ef2b92ecae6008d103e5ce71fd795f99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "24373f638669ca7e79e2be2b51241ac8ef2b92ecae6008d103e5ce71fd795f99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24373f638669ca7e79e2be2b51241ac8ef2b92ecae6008d103e5ce71fd795f99", kill_on_drop: false }` [INFO] [stdout] 24373f638669ca7e79e2be2b51241ac8ef2b92ecae6008d103e5ce71fd795f99 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 669e6e6b9c64e2ca81ece7f831b67b2c12fcf4e2e3055507b485df2d52711907 [INFO] running `Command { std: "docker" "start" "-a" "669e6e6b9c64e2ca81ece7f831b67b2c12fcf4e2e3055507b485df2d52711907", kill_on_drop: false }` [INFO] [stderr] Compiling libm v0.2.8 [INFO] [stderr] Compiling target-features v0.1.6 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling rustix v0.38.35 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling pkg-config v0.3.30 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking half v2.4.1 [INFO] [stderr] Checking anstyle v1.0.8 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Checking fastrand v2.1.1 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking clap_lex v0.7.2 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking clap_builder v4.5.15 [INFO] [stderr] Compiling hwlocality-sys v0.5.0 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking errno v0.3.9 [INFO] [stderr] Checking is-terminal v0.4.13 [INFO] [stderr] Checking oorandom v11.1.4 [INFO] [stderr] Checking unarray v0.1.4 [INFO] [stderr] Checking arrayvec v0.7.6 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking iterator_ilp v2.1.2 (/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/lib.rs:350:9 [INFO] [stdout] | [INFO] [stdout] 323 | self, [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 324 | mut predicate: impl FnMut(&Self::Item) -> bool, [INFO] [stdout] | ---------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 330 | let mut iter = self.map(|item| predicate(&item).then_some(item)); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 350 | iter.flatten().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] = 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:368:9 [INFO] [stdout] | [INFO] [stdout] 364 | self, [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 365 | f: impl FnMut(Self::Item) -> Option, [INFO] [stdout] | ---------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 368 | / self.map(f) [INFO] [stdout] 369 | | .find_ilp::(|res| res.is_some()) [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: 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:388:9 [INFO] [stdout] | [INFO] [stdout] 384 | self, [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 385 | mut predicate: impl FnMut(Self::Item) -> bool, [INFO] [stdout] | --------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 388 | self.enumerate() [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: 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:410:9 [INFO] [stdout] | [INFO] [stdout] 403 | self, [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 404 | mut predicate: impl FnMut(Self::Item) -> bool, [INFO] [stdout] | --------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 410 | / self.enumerate() [INFO] [stdout] 411 | | .rev() [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: 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:482:27 [INFO] [stdout] | [INFO] [stdout] 436 | mut self, [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 437 | mut neutral: impl FnMut() -> Acc, [INFO] [stdout] | -------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 438 | mut accumulate: impl FnMut(Acc, Self::Item) -> Acc, [INFO] [stdout] | -------------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 439 | mut merge: impl FnMut(Acc, Acc) -> Acc, [INFO] [stdout] | -------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 444 | let mut accumulators: [Option; STREAMS] = core::array::from_fn(|_| Some(neutral())); [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 478 | let ilp_result = accumulators[0].take().unwrap(); [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 482 | merge(ilp_result, self.fold(neutral(), accumulate)) [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: 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:444:86 [INFO] [stdout] | [INFO] [stdout] 444 | let mut accumulators: [Option; STREAMS] = core::array::from_fn(|_| Some(neutral())); [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: 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:507:22 [INFO] [stdout] | [INFO] [stdout] 506 | |acc_opt, item| { [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] 507 | Some(if let Some(acc) = acc_opt { [INFO] [stdout] | ______________________^ [INFO] [stdout] 508 | | reduce.borrow_mut()(acc, item) [INFO] [stdout] 509 | | } else { [INFO] [stdout] 510 | | item [INFO] [stdout] 511 | | }) [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: 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:513:42 [INFO] [stdout] | [INFO] [stdout] 513 | |acc_opt_1, acc_opt_2| match (acc_opt_1, acc_opt_2) { [INFO] [stdout] | --------- --------- ^^^^^^^^^^^^^^^^^^^^^^ [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] = 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 8 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `iterator_ilp` (lib) due to 9 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "669e6e6b9c64e2ca81ece7f831b67b2c12fcf4e2e3055507b485df2d52711907", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "669e6e6b9c64e2ca81ece7f831b67b2c12fcf4e2e3055507b485df2d52711907", kill_on_drop: false }` [INFO] [stdout] 669e6e6b9c64e2ca81ece7f831b67b2c12fcf4e2e3055507b485df2d52711907