[INFO] fetching crate latin_squares 0.1.2...
[INFO] testing latin_squares-0.1.2 against 1.93.0 for beta-1.94-1
[INFO] extracting crate latin_squares 0.1.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate latin_squares 0.1.2
[INFO] finished tweaking crates.io crate latin_squares 0.1.2
[INFO] tweaked toml for crates.io crate latin_squares 0.1.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate latin_squares 0.1.2 on toolchain 1.93.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded moon_math v0.1.3
[INFO] [stderr]   Downloaded moon_stats v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39cb468ec4b6f4f41a26d004d997313098c9a08195a10c84903f696077c4ba53
[INFO] running `Command { std: "docker" "start" "-a" "39cb468ec4b6f4f41a26d004d997313098c9a08195a10c84903f696077c4ba53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39cb468ec4b6f4f41a26d004d997313098c9a08195a10c84903f696077c4ba53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39cb468ec4b6f4f41a26d004d997313098c9a08195a10c84903f696077c4ba53", kill_on_drop: false }`
[INFO] [stdout] 39cb468ec4b6f4f41a26d004d997313098c9a08195a10c84903f696077c4ba53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24259bc2fa72d9cd59521794a1645175c6452176976909187f9866496b7ca65f
[INFO] running `Command { std: "docker" "start" "-a" "24259bc2fa72d9cd59521794a1645175c6452176976909187f9866496b7ca65f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling moon_stats v0.1.2
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling moon_math v0.1.3
[INFO] [stderr]    Compiling latin_squares v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::tui::print_2d_vec`
[INFO] [stdout]   --> src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use crate::tui::print_2d_vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/lib.rs:191:10
[INFO] [stdout]     |
[INFO] [stdout] 191 |                 |&t| (count_cell_possibilities(working_square[row_start + t.0][col_start + t.1]) > 0)
[INFO] [stdout]     |                      ^                                                                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 191 -                 |&t| (count_cell_possibilities(working_square[row_start + t.0][col_start + t.1]) > 0)
[INFO] [stdout] 191 +                 |&t| count_cell_possibilities(working_square[row_start + t.0][col_start + t.1]) > 0
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "24259bc2fa72d9cd59521794a1645175c6452176976909187f9866496b7ca65f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24259bc2fa72d9cd59521794a1645175c6452176976909187f9866496b7ca65f", kill_on_drop: false }`
[INFO] [stdout] 24259bc2fa72d9cd59521794a1645175c6452176976909187f9866496b7ca65f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a07ec4d255f9313469351ec63687e2a039167980a1d23d319a081a6d12144897
[INFO] running `Command { std: "docker" "start" "-a" "a07ec4d255f9313469351ec63687e2a039167980a1d23d319a081a6d12144897", kill_on_drop: false }`
[INFO] [stderr]    Compiling latin_squares v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::tui::print_2d_vec`
[INFO] [stdout]   --> src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use crate::tui::print_2d_vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/lib.rs:191:10
[INFO] [stdout]     |
[INFO] [stdout] 191 |                 |&t| (count_cell_possibilities(working_square[row_start + t.0][col_start + t.1]) > 0)
[INFO] [stdout]     |                      ^                                                                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 191 -                 |&t| (count_cell_possibilities(working_square[row_start + t.0][col_start + t.1]) > 0)
[INFO] [stdout] 191 +                 |&t| count_cell_possibilities(working_square[row_start + t.0][col_start + t.1]) > 0
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tui::print_2d_vec`
[INFO] [stdout]   --> src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use crate::tui::print_2d_vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/lib.rs:191:10
[INFO] [stdout]     |
[INFO] [stdout] 191 |                 |&t| (count_cell_possibilities(working_square[row_start + t.0][col_start + t.1]) > 0)
[INFO] [stdout]     |                      ^                                                                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 191 -                 |&t| (count_cell_possibilities(working_square[row_start + t.0][col_start + t.1]) > 0)
[INFO] [stdout] 191 +                 |&t| count_cell_possibilities(working_square[row_start + t.0][col_start + t.1]) > 0
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "a07ec4d255f9313469351ec63687e2a039167980a1d23d319a081a6d12144897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a07ec4d255f9313469351ec63687e2a039167980a1d23d319a081a6d12144897", kill_on_drop: false }`
[INFO] [stdout] a07ec4d255f9313469351ec63687e2a039167980a1d23d319a081a6d12144897
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 317b56ba31072fe101fb3381ef73373fd4df4848671cdfd50c4aa3c61168c420
[INFO] running `Command { std: "docker" "start" "-a" "317b56ba31072fe101fb3381ef73373fd4df4848671cdfd50c4aa3c61168c420", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::tui::print_2d_vec`
[INFO] [stderr]   --> src/lib.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | use crate::tui::print_2d_vec;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/lib.rs:191:10
[INFO] [stderr]     |
[INFO] [stderr] 191 |                 |&t| (count_cell_possibilities(working_square[row_start + t.0][col_start + t.1]) > 0)
[INFO] [stderr]     |                      ^                                                                              ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 191 -                 |&t| (count_cell_possibilities(working_square[row_start + t.0][col_start + t.1]) > 0)
[INFO] [stderr] 191 +                 |&t| count_cell_possibilities(working_square[row_start + t.0][col_start + t.1]) > 0
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `latin_squares` (lib) generated 2 warnings (run `cargo fix --lib -p latin_squares` to apply 2 suggestions)
[INFO] [stderr] warning: `latin_squares` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/latin_squares-977df0e85f76c06f)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_latin_placer ... ok
[INFO] [stdout] test tests::test_latin_solver ... ok
[INFO] [stdout] test tests::test_prob_collapse ... ok
[INFO] [stdout] test tests::oversize_square - should panic ... ok
[INFO] [stdout] test tests::test_latin_culler ... FAILED
[INFO] [stdout] test tests::generation_distribution_statistics ... ok
[INFO] [stdout] test tests::test_sudoku_single_answer_generation ... ok
[INFO] [stdout] test tests::get_samples ... ok
[INFO] [stdout] test tests::test_sudoku_solver ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_latin_culler stdout ----
[INFO] [stdout]   0   1   3   0   4   6
[INFO] [stdout]   0   0   2   4   0   0
[INFO] [stdout]   5   4   6   0   0   0
[INFO] [stdout]   0   0   0   6   5   1
[INFO] [stdout]   0   0   5   1   0   0
[INFO] [stdout]   6   5   0   3   2   0
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::test_latin_culler' (27) panicked at src/lib.rs:365:26:
[INFO] [stdout] attempt to calculate the remainder with a divisor of zero
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a1798ca79b2 - std::backtrace_rs::backtrace::libunwind::trace::h90e89fac33585832
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a1798ca79b2 - std::backtrace_rs::backtrace::trace_unsynchronized::heebcf2380a8e7359
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a1798ca79b2 - std::sys::backtrace::_print_fmt::hdf3e2a22d2f810db
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:68:9
[INFO] [stdout]    3:     0x5a1798ca79b2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hac1d885928ba8582
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:38:26
[INFO] [stdout]    4:     0x5a1798cb7ed7 - core::fmt::rt::Argument::fmt::h6901eb7c19abebe8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5a1798cb7ed7 - core::fmt::write::h83ebb4d32483be9e
[INFO] [stdout]    6:     0x5a1798c76766 - std::io::default_write_fmt::h751a79cdae495f10
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5a1798c76766 - std::io::Write::write_fmt::h9ef514f8700ff7b2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5a1798c86d79 - std::sys::backtrace::BacktraceLock::print::hcc2e1a3ac996c911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:41:9
[INFO] [stdout]    9:     0x5a1798c86d79 - std::panicking::default_hook::{{closure}}::h8e9c4d1276f0925f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5a1798c86c11 - std::panicking::default_hook::h2b2078d38b534dfb
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5a1798c46abe - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39d051e7dedac6a7
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5a1798c46abe - test::test_main_with_exit_callback::{{closure}}::h4b005fe75814c302
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5a1798c86ff2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd426070722c13cbf
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5a1798c86ff2 - std::panicking::panic_with_hook::h39b739724e701bfd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5a1798c86e6a - std::panicking::panic_handler::{{closure}}::he540c4833054e458
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5a1798c82409 - std::sys::backtrace::__rust_end_short_backtrace::hfa179d89deec8aed
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:176:18
[INFO] [stdout]   17:     0x5a1798c6b52d - __rustc[d131491b17107b07]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5a1798cbf40c - core::panicking::panic_fmt::ha564519d657d9c46
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5a1798cbf059 - core::panicking::panic_const::panic_const_rem_by_zero::hf96985fc4d235bc5
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:175:17
[INFO] [stdout]   20:     0x5a1798c243c9 - latin_squares::cull::h72caa81ddd27c34a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:365:20
[INFO] [stdout]   21:     0x5a1798c19815 - latin_squares::tests::test_latin_culler::he9e5c0e46974589f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:718:40
[INFO] [stdout]   22:     0x5a1798c19b07 - latin_squares::tests::test_latin_culler::{{closure}}::hed4da9e00d1ddbb1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:706:24
[INFO] [stdout]   23:     0x5a1798c13396 - core::ops::function::FnOnce::call_once::h7e40071fa66a69b2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5a1798c468eb - core::ops::function::FnOnce::call_once::h0217b30cfdee2e67
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5a1798c468eb - test::__rust_begin_short_backtrace::h6d98714a1e28f556
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5a1798c5a27a - test::run_test_in_process::{{closure}}::he2c70d2634d3a3cc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5a1798c5a27a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40a0a825bcf17fdd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5a1798c5a27a - std::panicking::catch_unwind::do_call::h6c8eb5dd6e7b5975
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5a1798c5a27a - std::panicking::catch_unwind::h55455eac2972ad1e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5a1798c5a27a - std::panic::catch_unwind::h0025465150a5e558
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5a1798c5a27a - test::run_test_in_process::hb61e682f9b630fbc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5a1798c5a27a - test::run_test::{{closure}}::hc2c2a7a38ab176e2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5a1798c34514 - test::run_test::{{closure}}::ha91867b85cd2a911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5a1798c34514 - std::sys::backtrace::__rust_begin_short_backtrace::ha00a9fe02049c339
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:160:18
[INFO] [stdout]   35:     0x5a1798c37e42 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd629fba9153dfb55
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:92:13
[INFO] [stdout]   36:     0x5a1798c37e42 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4189018816a5c5d9
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5a1798c37e42 - std::panicking::catch_unwind::do_call::hf9fcdbca3c2e9877
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5a1798c37e42 - std::panicking::catch_unwind::h97b92d88631c7c64
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5a1798c37e42 - std::panic::catch_unwind::ha77cdbb68e725e5e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5a1798c37e42 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h511f05bc1a132253
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:90:26
[INFO] [stdout]   41:     0x5a1798c37e42 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6b68b31e9b685cb8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5a1798c7da9f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h22a27d165e4e871d
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x5a1798c7da9f - std::sys::thread::unix::Thread::new::thread_start::h45cc87bb053add0f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7e5ea4415aa4 - <unknown>
[INFO] [stdout]   45:     0x7e5ea44a2a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_latin_culler
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.57s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "317b56ba31072fe101fb3381ef73373fd4df4848671cdfd50c4aa3c61168c420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "317b56ba31072fe101fb3381ef73373fd4df4848671cdfd50c4aa3c61168c420", kill_on_drop: false }`
[INFO] [stdout] 317b56ba31072fe101fb3381ef73373fd4df4848671cdfd50c4aa3c61168c420
