[INFO] cloning repository https://github.com/DAC098/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/DAC098/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDAC098%2Fsudoku-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDAC098%2Fsudoku-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36a8ffc8c1eed6c0f3593ea86b8e9735128d7f92
[INFO] checking DAC098/sudoku-solver/36a8ffc8c1eed6c0f3593ea86b8e9735128d7f92 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%2FDAC098%2Fsudoku-solver" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DAC098/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/DAC098/sudoku-solver
[INFO] finished tweaking git repo https://github.com/DAC098/sudoku-solver
[INFO] tweaked toml for git repo https://github.com/DAC098/sudoku-solver written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/DAC098/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d20d42f94bad30866bf5805fd2b1d26e18c0f8a2169d1c989cfcc15da269a2e5
[INFO] running `Command { std: "docker" "start" "-a" "d20d42f94bad30866bf5805fd2b1d26e18c0f8a2169d1c989cfcc15da269a2e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d20d42f94bad30866bf5805fd2b1d26e18c0f8a2169d1c989cfcc15da269a2e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d20d42f94bad30866bf5805fd2b1d26e18c0f8a2169d1c989cfcc15da269a2e5", kill_on_drop: false }`
[INFO] [stdout] d20d42f94bad30866bf5805fd2b1d26e18c0f8a2169d1c989cfcc15da269a2e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 87cbccc2d69af8f74a126b32e45a94035337f564e5fac4fd590785e0de57f4ff
[INFO] running `Command { std: "docker" "start" "-a" "87cbccc2d69af8f74a126b32e45a94035337f564e5fac4fd590785e0de57f4ff", kill_on_drop: false }`
[INFO] [stderr]     Checking sudoku-solver v0.1.0 (/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/main.rs:657:10
[INFO] [stdout]     |
[INFO] [stdout] 406 |   fn process_state(state: StackState, options: &Options) -> Option<StackState> {
[INFO] [stdout]     |                    ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 407 |       let StackState {mut grid, mut undecided, mut to_change, mut step} = state;
[INFO] [stdout]     |                           ----      --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 657 |       Some(StackState {
[INFO] [stdout]     |  __________^
[INFO] [stdout] 658 | |         grid, undecided, to_change, step
[INFO] [stdout] 659 | |     })
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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 `sudoku-solver` (bin "sudoku-solver") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/main.rs:657:10
[INFO] [stdout]     |
[INFO] [stdout] 406 |   fn process_state(state: StackState, options: &Options) -> Option<StackState> {
[INFO] [stdout]     |                    ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 407 |       let StackState {mut grid, mut undecided, mut to_change, mut step} = state;
[INFO] [stdout]     |                           ----      --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 657 |       Some(StackState {
[INFO] [stdout]     |  __________^
[INFO] [stdout] 658 | |         grid, undecided, to_change, step
[INFO] [stdout] 659 | |     })
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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 `sudoku-solver` (bin "sudoku-solver" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "87cbccc2d69af8f74a126b32e45a94035337f564e5fac4fd590785e0de57f4ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87cbccc2d69af8f74a126b32e45a94035337f564e5fac4fd590785e0de57f4ff", kill_on_drop: false }`
[INFO] [stdout] 87cbccc2d69af8f74a126b32e45a94035337f564e5fac4fd590785e0de57f4ff