[INFO] fetching crate dancing-links 0.3.0... [INFO] checking dancing-links-0.3.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate dancing-links 0.3.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate dancing-links 0.3.0 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 dancing-links 0.3.0 [INFO] finished tweaking crates.io crate dancing-links 0.3.0 [INFO] tweaked toml for crates.io crate dancing-links 0.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate dancing-links 0.3.0 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" "+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] df3d9c65a318f00a9e60034cbb793ba02d84776216211fce88685d9c3aa21c27 [INFO] running `Command { std: "docker" "start" "-a" "df3d9c65a318f00a9e60034cbb793ba02d84776216211fce88685d9c3aa21c27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "df3d9c65a318f00a9e60034cbb793ba02d84776216211fce88685d9c3aa21c27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df3d9c65a318f00a9e60034cbb793ba02d84776216211fce88685d9c3aa21c27", kill_on_drop: false }` [INFO] [stdout] df3d9c65a318f00a9e60034cbb793ba02d84776216211fce88685d9c3aa21c27 [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] 04739e4d57df65978a88968cccfa7970136e4fd7e715e2565f44449ba8e04845 [INFO] running `Command { std: "docker" "start" "-a" "04739e4d57df65978a88968cccfa7970136e4fd7e715e2565f44449ba8e04845", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.144 [INFO] [stderr] Compiling crossbeam-utils v0.8.15 [INFO] [stderr] Compiling memoffset v0.8.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.14 [INFO] [stderr] Compiling io-lifetimes v1.0.10 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling rustix v0.37.19 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Checking linux-raw-sys v0.3.8 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking regex-syntax v0.7.1 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Checking bumpalo v3.12.2 [INFO] [stderr] Checking termcolor v1.2.0 [INFO] [stderr] Checking dancing-links v0.3.0 (/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/latin_square.rs:184:9 [INFO] [stdout] | [INFO] [stdout] 173 | let row_number_it = [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 177 | let column_number_it = [INFO] [stdout] | ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 181 | let row_column_it = crate::util::two_combination_iter([side_length, side_length], [0, 0]) [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 184 | row_number_it.chain(column_number_it).chain(row_column_it) [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/solver.rs:110:49 [INFO] [stdout] | [INFO] [stdout] 110 | .any(|column| !problem.is_optional(&problem.constraints()[Column::index(column) - 1])) [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/solver.rs:224:43 [INFO] [stdout] | [INFO] [stdout] 224 | .map(|row_index| &self.problem.possibilities()[row_index]) [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 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `dancing-links` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "04739e4d57df65978a88968cccfa7970136e4fd7e715e2565f44449ba8e04845", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04739e4d57df65978a88968cccfa7970136e4fd7e715e2565f44449ba8e04845", kill_on_drop: false }` [INFO] [stdout] 04739e4d57df65978a88968cccfa7970136e4fd7e715e2565f44449ba8e04845