[INFO] cloning repository https://github.com/DavideCanton/dancing_links [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DavideCanton/dancing_links" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavideCanton%2Fdancing_links", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavideCanton%2Fdancing_links'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f41c724ab18fbd24c18354c5bf41c267e5c1c38a [INFO] checking DavideCanton/dancing_links/f41c724ab18fbd24c18354c5bf41c267e5c1c38a against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavideCanton%2Fdancing_links" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DavideCanton/dancing_links 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 git repo https://github.com/DavideCanton/dancing_links [INFO] finished tweaking git repo https://github.com/DavideCanton/dancing_links [INFO] tweaked toml for git repo https://github.com/DavideCanton/dancing_links written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/DavideCanton/dancing_links 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0752c227842a6db694142f622ea0430e12116a6fa9d9e0758b3254bb24481f2d [INFO] running `Command { std: "docker" "start" "-a" "0752c227842a6db694142f622ea0430e12116a6fa9d9e0758b3254bb24481f2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0752c227842a6db694142f622ea0430e12116a6fa9d9e0758b3254bb24481f2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0752c227842a6db694142f622ea0430e12116a6fa9d9e0758b3254bb24481f2d", kill_on_drop: false }` [INFO] [stdout] 0752c227842a6db694142f622ea0430e12116a6fa9d9e0758b3254bb24481f2d [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f201916dc7b4f6ba707d594789ded33295264593e7fae497195ea687d48740c5 [INFO] running `Command { std: "docker" "start" "-a" "f201916dc7b4f6ba707d594789ded33295264593e7fae497195ea687d48740c5", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking either v1.12.0 [INFO] [stderr] Checking num_threads v0.1.7 [INFO] [stderr] Compiling time-macros v0.2.18 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking bumpalo v3.16.0 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking time v0.3.36 [INFO] [stderr] Checking indexmap v2.2.6 [INFO] [stderr] Checking priority-queue v2.0.3 [INFO] [stderr] Checking simple_logger v5.0.0 [INFO] [stderr] Compiling logging_timer_proc_macros v1.1.1 [INFO] [stderr] Checking logging_timer v1.1.1 [INFO] [stderr] Compiling test-case-core v3.3.1 [INFO] [stderr] Compiling concat-idents v1.1.5 [INFO] [stderr] Compiling clap_derive v4.5.8 [INFO] [stderr] Compiling test-case-macros v3.3.1 [INFO] [stderr] Checking dancing_links_matrix v0.1.0 (/opt/rustwide/workdir/crates/dancing_links_matrix) [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] --> crates/dancing_links_matrix/src/builders.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 30 | iterable: impl IntoIterator>>, [INFO] [stdout] | ------------------------------------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 31 | ) -> MatrixRowBuilder { [INFO] [stdout] 32 | iterable.into_iter().collect::>() [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] --> crates/dancing_links_matrix/src/builders.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn add_column(self, spec: impl Into>) -> MatrixColBuilder { [INFO] [stdout] | ------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 41 | MatrixColBuilder::new().add_column(spec) [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] --> crates/dancing_links_matrix/src/builders.rs:150:9 [INFO] [stdout] | [INFO] [stdout] 146 | fn from_iter(iter: IT) -> Self [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 150 | / iter.into_iter() [INFO] [stdout] 151 | | .collect::>() [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] --> crates/dancing_links_matrix/src/builders.rs:322:22 [INFO] [stdout] | [INFO] [stdout] 272 | pub fn build(self, arena: &impl Arena) -> DancingLinksMatrix<'_, T> { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 273 | let matrix = self.matrix; [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 306 | let columns_queue = ColumnPriorityQueue::new(); [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 322 | columns: columns.into_boxed_slice(), [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] --> crates/dancing_links_matrix/src/builders.rs:323:20 [INFO] [stdout] | [INFO] [stdout] 272 | pub fn build(self, arena: &impl Arena) -> DancingLinksMatrix<'_, T> { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 273 | let matrix = self.matrix; [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 306 | let columns_queue = ColumnPriorityQueue::new(); [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 323 | cells: cells.into_boxed_slice(), [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] --> crates/dancing_links_matrix/src/matrix.rs:67:34 [INFO] [stdout] | [INFO] [stdout] 67 | .map(|c| c.column().name.get_name().unwrap().as_ref()), [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] [stderr] error: could not compile `dancing_links_matrix` (lib) due to 7 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "f201916dc7b4f6ba707d594789ded33295264593e7fae497195ea687d48740c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f201916dc7b4f6ba707d594789ded33295264593e7fae497195ea687d48740c5", kill_on_drop: false }` [INFO] [stdout] f201916dc7b4f6ba707d594789ded33295264593e7fae497195ea687d48740c5