[INFO] fetching crate combine-language 4.0.0... [INFO] checking combine-language-4.0.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate combine-language 4.0.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate combine-language 4.0.0 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 combine-language 4.0.0 [INFO] finished tweaking crates.io crate combine-language 4.0.0 [INFO] tweaked toml for crates.io crate combine-language 4.0.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 19 packages to latest compatible versions [INFO] [stderr] Adding bitflags v0.5.0 (available: v2.6.0) [INFO] [stderr] Adding pulldown-cmark v0.0.8 (available: v0.12.1) [INFO] [stderr] Adding rand v0.4.6 (available: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (available: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (available: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (available: v0.8.3) [INFO] [stderr] Adding remove_dir_all v0.5.3 (available: v0.8.4) [INFO] [stderr] Adding skeptic v0.9.0 (available: v0.13.7) [INFO] [stderr] Adding unicode-width v0.1.14 (available: v0.2.0) [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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dc0da8bfbcbc579cdf2a40cba0b9d29314f4578e461137bfd97a05e4f1c3619d [INFO] running `Command { std: "docker" "start" "-a" "dc0da8bfbcbc579cdf2a40cba0b9d29314f4578e461137bfd97a05e4f1c3619d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dc0da8bfbcbc579cdf2a40cba0b9d29314f4578e461137bfd97a05e4f1c3619d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc0da8bfbcbc579cdf2a40cba0b9d29314f4578e461137bfd97a05e4f1c3619d", kill_on_drop: false }` [INFO] [stdout] dc0da8bfbcbc579cdf2a40cba0b9d29314f4578e461137bfd97a05e4f1c3619d [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f171a398a98bdd5864fbedf241cec4d20225957a75388d34c751ecc12eb2d44a [INFO] running `Command { std: "docker" "start" "-a" "f171a398a98bdd5864fbedf241cec4d20225957a75388d34c751ecc12eb2d44a", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-width v0.1.14 [INFO] [stderr] Compiling bitflags v0.5.0 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Checking bytes v1.7.2 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Checking pulldown-cmark v0.0.8 [INFO] [stderr] Checking combine v4.6.7 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking skeptic v0.9.0 [INFO] [stderr] Compiling combine-language v4.0.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `SkipMany>, &mut dyn Parser>::PartialState>, SequenceState<(), (combine::parser::repeat::Sink, ())>>>>, FnParser>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:230:5 [INFO] [stdout] | [INFO] [stdout] 201 | mut comment_start: P, [INFO] [stdout] | ----------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 202 | mut comment_end: P, [INFO] [stdout] | --------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 212 | &mut attempt(comment_line) [INFO] [stdout] | ______________- [INFO] [stdout] 213 | | .and(skip_many(satisfy(|c| c != '\n'))) [INFO] [stdout] 214 | | .map(|_| ()); [INFO] [stdout] | |________________________- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 230 | skip_many(whitespace).parse_stream(input).into_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] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `combine-language` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `SkipMany>, &mut dyn combine::Parser>::PartialState>, SequenceState<(), (combine::parser::repeat::Sink, ())>>>>, FnParser>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:230:5 [INFO] [stdout] | [INFO] [stdout] 201 | mut comment_start: P, [INFO] [stdout] | ----------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 202 | mut comment_end: P, [INFO] [stdout] | --------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 212 | &mut attempt(comment_line) [INFO] [stdout] | ______________- [INFO] [stdout] 213 | | .and(skip_many(satisfy(|c| c != '\n'))) [INFO] [stdout] 214 | | .map(|_| ()); [INFO] [stdout] | |________________________- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 230 | skip_many(whitespace).parse_stream(input).into_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] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `combine-language` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "f171a398a98bdd5864fbedf241cec4d20225957a75388d34c751ecc12eb2d44a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f171a398a98bdd5864fbedf241cec4d20225957a75388d34c751ecc12eb2d44a", kill_on_drop: false }` [INFO] [stdout] f171a398a98bdd5864fbedf241cec4d20225957a75388d34c751ecc12eb2d44a