[INFO] fetching crate latin_squares 0.1.2...
[INFO] testing latin_squares-0.1.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate latin_squares 0.1.2 into /workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate latin_squares 0.1.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e16afaf59fca1355f4e9b515a465135dafbe357055c8b5bde7e3694c4dca6cb6
[INFO] running `Command { std: "docker" "start" "-a" "e16afaf59fca1355f4e9b515a465135dafbe357055c8b5bde7e3694c4dca6cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e16afaf59fca1355f4e9b515a465135dafbe357055c8b5bde7e3694c4dca6cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e16afaf59fca1355f4e9b515a465135dafbe357055c8b5bde7e3694c4dca6cb6", kill_on_drop: false }`
[INFO] [stdout] e16afaf59fca1355f4e9b515a465135dafbe357055c8b5bde7e3694c4dca6cb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53b63c2e57f60a0da42f83f598494a2b2f2c511e15418aea4feadadefd51929a
[INFO] running `Command { std: "docker" "start" "-a" "53b63c2e57f60a0da42f83f598494a2b2f2c511e15418aea4feadadefd51929a", kill_on_drop: false }`
[INFO] [stderr]    Compiling moon_stats v0.1.2
[INFO] [stderr]    Compiling getrandom v0.2.16
[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 1.13s
[INFO] running `Command { std: "docker" "inspect" "53b63c2e57f60a0da42f83f598494a2b2f2c511e15418aea4feadadefd51929a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53b63c2e57f60a0da42f83f598494a2b2f2c511e15418aea4feadadefd51929a", kill_on_drop: false }`
[INFO] [stdout] 53b63c2e57f60a0da42f83f598494a2b2f2c511e15418aea4feadadefd51929a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ba61092a7dd0777c7db31ad4a38a46dcade75ef7f1711b621ed38702bbc4ea3
[INFO] running `Command { std: "docker" "start" "-a" "7ba61092a7dd0777c7db31ad4a38a46dcade75ef7f1711b621ed38702bbc4ea3", kill_on_drop: false }`
[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]    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 `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "7ba61092a7dd0777c7db31ad4a38a46dcade75ef7f1711b621ed38702bbc4ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba61092a7dd0777c7db31ad4a38a46dcade75ef7f1711b621ed38702bbc4ea3", kill_on_drop: false }`
[INFO] [stdout] 7ba61092a7dd0777c7db31ad4a38a46dcade75ef7f1711b621ed38702bbc4ea3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e3939812ec91900d05ffb0355bd3425893c252384390e8a7de46a041a23679dd
[INFO] running `Command { std: "docker" "start" "-a" "e3939812ec91900d05ffb0355bd3425893c252384390e8a7de46a041a23679dd", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::tui::print_2d_vec`
[INFO] [stdout] 
[INFO] [stderr]   --> src/lib.rs:23:5
[INFO] [stdout] running 9 tests
[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 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/latin_squares-5db042ba39288f50)
[INFO] [stdout] test tests::test_latin_solver ... ok
[INFO] [stdout] test tests::test_prob_collapse ... ok
[INFO] [stdout] test tests::test_latin_placer ... 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   0   0   1   0   0
[INFO] [stdout]   0   2   5   4   6   1
[INFO] [stdout]   0   1   0   3   5   0
[INFO] [stdout]   0   6   3   0   4   0
[INFO] [stdout]   4   3   6   5   1   0
[INFO] [stdout]   0   0   1   0   0   0
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::test_latin_culler' (28) 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:     0x5ac994d1f3d2 - std::backtrace_rs::backtrace::libunwind::trace::h9ea1e07ac77a25d7
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ac994d1f3d2 - std::backtrace_rs::backtrace::trace_unsynchronized::h72b75eb83b53d15a
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ac994d1f3d2 - std::sys::backtrace::_print_fmt::h255777b7ec902439
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5ac994d1f3d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8a1ac49fcd7ee8ce
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5ac994d2fa2f - core::fmt::rt::Argument::fmt::h635cbf3c6754cc90
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5ac994d2fa2f - core::fmt::write::hbdcc0ec4f1bab1db
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5ac994cecd73 - std::io::default_write_fmt::h2580ece0d4b58e51
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5ac994cecd73 - std::io::Write::write_fmt::hac9e42858f273b87
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5ac994cf8c42 - std::sys::backtrace::BacktraceLock::print::h052febbd86f7bf07
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5ac994cfd71f - std::panicking::default_hook::{{closure}}::h66aeee20dd470abb
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5ac994cfd5b1 - std::panicking::default_hook::h9d66b9642014ce48
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5ac994cbb95e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c698701e444e564
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x5ac994cbb95e - test::test_main_with_exit_callback::{{closure}}::ha1c98e7b69c4defb
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5ac994cfdd2f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc4f222a8a57c637a
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x5ac994cfdd2f - std::panicking::panic_with_hook::h6d5921a1a1fa5a8e
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5ac994cfdb56 - std::panicking::panic_handler::{{closure}}::hafeef6f707d43542
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:700:13
[INFO] [stdout]   16:     0x5ac994cf8d79 - std::sys::backtrace::__rust_end_short_backtrace::h08cbc3319a3d0120
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5ac994ce166d - __rustc[ce5c411ff86ab1b2]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5ac994d37370 - core::panicking::panic_fmt::h774fb860369a0f7b
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5ac994d36dd7 - core::panicking::panic_const::panic_const_rem_by_zero::ha589070900389c81
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:180:17
[INFO] [stdout]   20:     0x5ac994c98599 - latin_squares::cull::ha9d2e82faf6c8869
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:365:20
[INFO] [stdout]   21:     0x5ac994c8cb95 - latin_squares::tests::test_latin_culler::hc090f32beab78ea0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:718:40
[INFO] [stdout]   22:     0x5ac994c8cdf7 - latin_squares::tests::test_latin_culler::{{closure}}::h33bff8c2cda3e1fd
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:706:24
[INFO] [stdout]   23:     0x5ac994c864b6 - core::ops::function::FnOnce::call_once::ha78bca259f296f9c
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5ac994cbb7ab - core::ops::function::FnOnce::call_once::h4f6eabe90cccb47d
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5ac994cbb7ab - test::__rust_begin_short_backtrace::h94208530f2b4c8c7
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5ac994ccf7bd - test::run_test_in_process::{{closure}}::hbdc6a45a78c46404
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5ac994ccf7bd - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h7f9d8efc7eedd165
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5ac994ccf7bd - std::panicking::catch_unwind::do_call::he5edbaf126c13b99
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x5ac994ccf7bd - std::panicking::catch_unwind::h3d6a8652eceeabce
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x5ac994ccf7bd - std::panic::catch_unwind::hbef0c501dd7bb498
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5ac994ccf7bd - test::run_test_in_process::h400008a46a5006a0
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5ac994ccf7bd - test::run_test::{{closure}}::h9a131655b31d9427
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5ac994ca8d04 - test::run_test::{{closure}}::he4a7177c216308c0
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5ac994ca8d04 - std::sys::backtrace::__rust_begin_short_backtrace::hd3980e9c55d6c539
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5ac994cac63a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h18552df67c7aa9b8
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   36:     0x5ac994cac63a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h3d7b285234641a08
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5ac994cac63a - std::panicking::catch_unwind::do_call::h5a2b5cf36528a5b2
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x5ac994cac63a - std::panicking::catch_unwind::h7e8b531bbda77d20
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x5ac994cac63a - std::panic::catch_unwind::hf9bbb2040b4f1e6c
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5ac994cac63a - std::thread::Builder::spawn_unchecked_::{{closure}}::h600f92cf68549574
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   41:     0x5ac994cac63a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb6607307df8a1847
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5ac994cf417f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6891ad53a5ed6f52
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   43:     0x5ac994cf417f - std::sys::thread::unix::Thread::new::thread_start::h7f3e77fa86df70af
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   44:     0x76b282107aa4 - <unknown>
[INFO] [stdout]   45:     0x76b282194a64 - 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 23.19s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "e3939812ec91900d05ffb0355bd3425893c252384390e8a7de46a041a23679dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3939812ec91900d05ffb0355bd3425893c252384390e8a7de46a041a23679dd", kill_on_drop: false }`
[INFO] [stdout] e3939812ec91900d05ffb0355bd3425893c252384390e8a7de46a041a23679dd
