[INFO] cloning repository https://github.com/TorsteinTenstad/sudoku-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TorsteinTenstad/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTorsteinTenstad%2Fsudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTorsteinTenstad%2Fsudoku-solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 41a5ff874207850fb28180259734d3a7fe940baa [INFO] checking TorsteinTenstad/sudoku-solver/41a5ff874207850fb28180259734d3a7fe940baa 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%2FTorsteinTenstad%2Fsudoku-solver" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TorsteinTenstad/sudoku-solver 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/TorsteinTenstad/sudoku-solver [INFO] finished tweaking git repo https://github.com/TorsteinTenstad/sudoku-solver [INFO] tweaked toml for git repo https://github.com/TorsteinTenstad/sudoku-solver written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/TorsteinTenstad/sudoku-solver 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] 07a1b05c0b1b94fd73501df4083cf910f5b707b4842cbc6d998a0ee1f256a454 [INFO] running `Command { std: "docker" "start" "-a" "07a1b05c0b1b94fd73501df4083cf910f5b707b4842cbc6d998a0ee1f256a454", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "07a1b05c0b1b94fd73501df4083cf910f5b707b4842cbc6d998a0ee1f256a454", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07a1b05c0b1b94fd73501df4083cf910f5b707b4842cbc6d998a0ee1f256a454", kill_on_drop: false }` [INFO] [stdout] 07a1b05c0b1b94fd73501df4083cf910f5b707b4842cbc6d998a0ee1f256a454 [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] f4648dcf52602442be527437272b1896b60fe5cd8afa9f7f2617be11178d401e [INFO] running `Command { std: "docker" "start" "-a" "f4648dcf52602442be527437272b1896b60fe5cd8afa9f7f2617be11178d401e", kill_on_drop: false }` [INFO] [stderr] Compiling rustversion v1.0.15 [INFO] [stderr] Checking colored v2.1.0 [INFO] [stderr] Compiling syn v2.0.60 [INFO] [stderr] Compiling strum_macros v0.25.3 [INFO] [stderr] Compiling clap_derive v4.5.4 [INFO] [stderr] Checking strum v0.25.0 [INFO] [stderr] Checking clap v4.5.4 [INFO] [stderr] Checking sudoku-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `number_of_solved_squares` and `iterations` are never read [INFO] [stdout] --> src/solver.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct SolveResult { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 15 | pub exit_condition: SolveExitCondition, [INFO] [stdout] 16 | pub number_of_solved_squares: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 17 | pub unsolved_metric: usize, [INFO] [stdout] 18 | pub iterations: usize, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `number_of_solved_squares` and `iterations` are never read [INFO] [stdout] --> src/solver.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct SolveResult { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 15 | pub exit_condition: SolveExitCondition, [INFO] [stdout] 16 | pub number_of_solved_squares: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 17 | pub unsolved_metric: usize, [INFO] [stdout] 18 | pub iterations: usize, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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/board.rs:85:26 [INFO] [stdout] | [INFO] [stdout] 85 | .map(|chunk| chunk.into_iter().join("")) [INFO] [stdout] | ----- ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [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] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `sudoku-solver` (bin "sudoku-solver") due to 2 previous errors; 1 warning emitted [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `sudoku-solver` (bin "sudoku-solver" test) due to 2 previous errors; 1 warning emitted [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/board.rs:85:26 [INFO] [stdout] | [INFO] [stdout] 85 | .map(|chunk| chunk.into_iter().join("")) [INFO] [stdout] | ----- ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [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] = 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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f4648dcf52602442be527437272b1896b60fe5cd8afa9f7f2617be11178d401e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4648dcf52602442be527437272b1896b60fe5cd8afa9f7f2617be11178d401e", kill_on_drop: false }` [INFO] [stdout] f4648dcf52602442be527437272b1896b60fe5cd8afa9f7f2617be11178d401e