[INFO] fetching crate combpop 0.0.3... [INFO] checking combpop-0.0.3 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate combpop 0.0.3 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate combpop 0.0.3 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate combpop 0.0.3 [INFO] finished tweaking crates.io crate combpop 0.0.3 [INFO] tweaked toml for crates.io crate combpop 0.0.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6cba19e5262fb064fde48724bb32d4c4e63b4168198d5ad657ccaeec4e2981d3 [INFO] running `Command { std: "docker" "start" "-a" "6cba19e5262fb064fde48724bb32d4c4e63b4168198d5ad657ccaeec4e2981d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6cba19e5262fb064fde48724bb32d4c4e63b4168198d5ad657ccaeec4e2981d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6cba19e5262fb064fde48724bb32d4c4e63b4168198d5ad657ccaeec4e2981d3", kill_on_drop: false }` [INFO] [stdout] 6cba19e5262fb064fde48724bb32d4c4e63b4168198d5ad657ccaeec4e2981d3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] da8b116e3766febfe6b6da72b6e8148bb771c348ec52e4ad7df14d05d5b34aa2 [INFO] running `Command { std: "docker" "start" "-a" "da8b116e3766febfe6b6da72b6e8148bb771c348ec52e4ad7df14d05d5b34aa2", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking combpop v0.0.3 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Option<(

::Output, Consume)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/combinators.rs:164:31 [INFO] [stdout] | [INFO] [stdout] 162 | fn parse_lookahead_once(self, stream: &mut S) -> ParseResult> { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 163 | let Map(p, f) = self; [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 164 | if let Some((x, c)) = p.parse_lookahead_once(stream)? { [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 `Option<(::Output, Consume)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/combinators.rs:272:31 [INFO] [stdout] | [INFO] [stdout] 264 | fn parse_lookahead_once(self, stream: &mut S) -> ParseResult> { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 272 | if let Some((y, c)) = p1.parse_lookahead_once(stream)? { [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<(::Output, Consume)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/combinators.rs:423:31 [INFO] [stdout] | [INFO] [stdout] 416 | fn parse_lookahead_once(self, stream: &mut S) -> ParseResult> { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 417 | let Concat2(p0, p1) = self; [INFO] [stdout] 418 | let (x, consumed) = if let Some((x, c)) = p0.parse_lookahead_once(stream)? { [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 423 | if let Some((y, c)) = p1.parse_lookahead_once(stream)? { [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<(::Output, Consume)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/combinators.rs:456:31 [INFO] [stdout] | [INFO] [stdout] 451 | let (x, consumed) = if let Some((x, c)) = p0.parse_lookahead_mut(stream)? { [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 456 | if let Some((y, c)) = p1.parse_lookahead_mut(stream)? { [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<(::Output, Consume)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/combinators.rs:479:31 [INFO] [stdout] | [INFO] [stdout] 474 | let (x, consumed) = if let Some((x, c)) = p0.parse_lookahead(stream)? { [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 479 | if let Some((y, c)) = p1.parse_lookahead(stream)? { [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<(::Output, Consume)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/combinators.rs:546:31 [INFO] [stdout] | [INFO] [stdout] 544 | fn parse_lookahead_once(self, stream: &mut S) -> ParseResult> { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 545 | let Choice2(p0, p1) = self; [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 546 | if let Some((x, c)) = p0.parse_lookahead_once(stream)? { [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<(

::Output, Consume)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/combinators.rs:164:31 [INFO] [stdout] | [INFO] [stdout] 162 | fn parse_lookahead_once(self, stream: &mut S) -> ParseResult> { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 163 | let Map(p, f) = self; [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 164 | if let Some((x, c)) = p.parse_lookahead_once(stream)? { [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 `Option<(::Output, Consume)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/combinators.rs:272:31 [INFO] [stdout] | [INFO] [stdout] 264 | fn parse_lookahead_once(self, stream: &mut S) -> ParseResult> { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 272 | if let Some((y, c)) = p1.parse_lookahead_once(stream)? { [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<(::Output, Consume)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/combinators.rs:423:31 [INFO] [stdout] | [INFO] [stdout] 416 | fn parse_lookahead_once(self, stream: &mut S) -> ParseResult> { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 417 | let Concat2(p0, p1) = self; [INFO] [stdout] 418 | let (x, consumed) = if let Some((x, c)) = p0.parse_lookahead_once(stream)? { [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 423 | if let Some((y, c)) = p1.parse_lookahead_once(stream)? { [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<(::Output, Consume)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/combinators.rs:456:31 [INFO] [stdout] | [INFO] [stdout] 451 | let (x, consumed) = if let Some((x, c)) = p0.parse_lookahead_mut(stream)? { [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 456 | if let Some((y, c)) = p1.parse_lookahead_mut(stream)? { [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<(::Output, Consume)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/combinators.rs:479:31 [INFO] [stdout] | [INFO] [stdout] 474 | let (x, consumed) = if let Some((x, c)) = p0.parse_lookahead(stream)? { [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 479 | if let Some((y, c)) = p1.parse_lookahead(stream)? { [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Option<(::Output, Consume)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/combinators.rs:546:31 [INFO] [stdout] | [INFO] [stdout] 544 | fn parse_lookahead_once(self, stream: &mut S) -> ParseResult> { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 545 | let Choice2(p0, p1) = self; [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 546 | if let Some((x, c)) = p0.parse_lookahead_once(stream)? { [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] [stderr] error: could not compile `combpop` (lib) due to 7 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 6 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `combpop` (lib test) due to 7 previous errors [INFO] running `Command { std: "docker" "inspect" "da8b116e3766febfe6b6da72b6e8148bb771c348ec52e4ad7df14d05d5b34aa2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da8b116e3766febfe6b6da72b6e8148bb771c348ec52e4ad7df14d05d5b34aa2", kill_on_drop: false }` [INFO] [stdout] da8b116e3766febfe6b6da72b6e8148bb771c348ec52e4ad7df14d05d5b34aa2