[INFO] cloning repository https://github.com/CaioPiccirillo/sudoku-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CaioPiccirillo/sudoku-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaioPiccirillo%2Fsudoku-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaioPiccirillo%2Fsudoku-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90b89b2e37bba548acba4919b8b909c7d450c11d
[INFO] testing CaioPiccirillo/sudoku-rust against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaioPiccirillo%2Fsudoku-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CaioPiccirillo/sudoku-rust on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CaioPiccirillo/sudoku-rust
[INFO] finished tweaking git repo https://github.com/CaioPiccirillo/sudoku-rust
[INFO] tweaked toml for git repo https://github.com/CaioPiccirillo/sudoku-rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fac09199e58cf6c853e690c184931773d1b48a3a4843052bacecbc9c5e4f0e3b
[INFO] running `Command { std: "docker" "start" "-a" "fac09199e58cf6c853e690c184931773d1b48a3a4843052bacecbc9c5e4f0e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fac09199e58cf6c853e690c184931773d1b48a3a4843052bacecbc9c5e4f0e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fac09199e58cf6c853e690c184931773d1b48a3a4843052bacecbc9c5e4f0e3b", kill_on_drop: false }`
[INFO] [stdout] fac09199e58cf6c853e690c184931773d1b48a3a4843052bacecbc9c5e4f0e3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8213ca348065e4abf5b58b16884baf1bbb0c1bdc9e93e3d755e2e1cd4ee3c41a
[INFO] running `Command { std: "docker" "start" "-a" "8213ca348065e4abf5b58b16884baf1bbb0c1bdc9e93e3d755e2e1cd4ee3c41a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rulinalg v0.4.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling imageproc v0.22.0
[INFO] [stderr]    Compiling sudoku-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.97s
[INFO] running `Command { std: "docker" "inspect" "8213ca348065e4abf5b58b16884baf1bbb0c1bdc9e93e3d755e2e1cd4ee3c41a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8213ca348065e4abf5b58b16884baf1bbb0c1bdc9e93e3d755e2e1cd4ee3c41a", kill_on_drop: false }`
[INFO] [stdout] 8213ca348065e4abf5b58b16884baf1bbb0c1bdc9e93e3d755e2e1cd4ee3c41a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dc2ae309edd42143040a33b87557fd21cdeb46dff5948b5dd1c60aa4a71db3f
[INFO] running `Command { std: "docker" "start" "-a" "7dc2ae309edd42143040a33b87557fd21cdeb46dff5948b5dd1c60aa4a71db3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `Command { std: "docker" "inspect" "7dc2ae309edd42143040a33b87557fd21cdeb46dff5948b5dd1c60aa4a71db3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dc2ae309edd42143040a33b87557fd21cdeb46dff5948b5dd1c60aa4a71db3f", kill_on_drop: false }`
[INFO] [stdout] 7dc2ae309edd42143040a33b87557fd21cdeb46dff5948b5dd1c60aa4a71db3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e8624b58a4d982a1356f784b7135f785b35b965cd7aab6e87dfa14f674a2a77c
[INFO] running `Command { std: "docker" "start" "-a" "e8624b58a4d982a1356f784b7135f785b35b965cd7aab6e87dfa14f674a2a77c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudoku_rust-902b95c5a5e5171a)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test solver::tests::check_board_rows_ok ... ok
[INFO] [stdout] test solver::tests::check_board_columns_ok ... ok
[INFO] [stdout] test solver::tests::check_board_rows_fail - should panic ... ok
[INFO] [stdout] test solver::tests::check_board_subsquares_fail - should panic ... ok
[INFO] [stdout] test solver::tests::check_board_columns_fail - should panic ... ok
[INFO] [stdout] test solver::tests::solve_sudoku_hard ... FAILED
[INFO] [stdout] test solver::tests::solve_sudoku_easy ... ok
[INFO] [stdout] test solver::tests::solve_sudoku_very_hard ... FAILED
[INFO] [stdout] test reader::tests::read_image_sudoku_hard ... FAILED
[INFO] [stdout] test reader::tests::read_image_sudoku_very_hard ... FAILED
[INFO] [stdout] test reader::tests::read_image_sudoku_easy ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- solver::tests::solve_sudoku_hard stdout ----
[INFO] [stdout] Epoch 1
[INFO] [stdout] Epoch 2
[INFO] [stdout] Epoch 3
[INFO] [stdout] thread 'solver::tests::solve_sudoku_hard' panicked at 'called `Result::unwrap()` on an `Err` value: "Timeout error"', src/solver.rs:855:49
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d14ba72930 - std::backtrace_rs::backtrace::libunwind::trace::h99dbb39dca18857d
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55d14ba72930 - std::backtrace_rs::backtrace::trace_unsynchronized::h832861927e9cfedf
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d14ba72930 - std::sys_common::backtrace::_print_fmt::h3d18154c77dcf310
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55d14ba72930 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he312f4ad5b9bb346
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55d14ba971bc - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x55d14ba6f395 - std::io::Write::write_fmt::h65d36b96410d80d7
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x55d14ba74b1b - std::sys_common::backtrace::_print::h65d996766de40da4
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55d14ba74b1b - std::sys_common::backtrace::print::h40df9727e635f303
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55d14ba74b1b - std::panicking::default_hook::{{closure}}::hd2da4327dea91a51
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55d14ba7462c - std::panicking::default_hook::h3d55120ad6ada158
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55d14ba751e4 - std::panicking::rust_panic_with_hook::hf85dd0bb545e3b55
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55d14ba74cc7 - std::panicking::begin_panic_handler::{{closure}}::h736ae969434da9fa
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55d14ba72e0c - std::sys_common::backtrace::__rust_end_short_backtrace::h6133bb80b1d6c3e0
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55d14ba74c29 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55d14b7078c1 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55d14b7079b3 - core::result::unwrap_failed::he898b02f57993c42
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/result.rs:1599:5
[INFO] [stdout]   16:     0x55d14b71c436 - core::result::Result<T,E>::unwrap::h68b8785e93de2a1f
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/result.rs:1281:23
[INFO] [stdout]   17:     0x55d14b72e13e - sudoku_rust::solver::tests::solve_sudoku_hard::hee571cc5638023fb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/solver.rs:855:28
[INFO] [stdout]   18:     0x55d14b72e00a - sudoku_rust::solver::tests::solve_sudoku_hard::{{closure}}::h428609026e29ec53
[INFO] [stdout]                                at /opt/rustwide/workdir/src/solver.rs:851:5
[INFO] [stdout]   19:     0x55d14b72f33e - core::ops::function::FnOnce::call_once::h4eaf0dada4004ad9
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55d14b76c943 - core::ops::function::FnOnce::call_once::h227fa683a5745bd3
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55d14b76c943 - test::__rust_begin_short_backtrace::h3a193bd570ada00a
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x55d14b76b3b8 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h262d2f411717179a
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x55d14b76b3b8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfec00caec3e52a7b
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x55d14b76b3b8 - std::panicking::try::do_call::ha5f42e76ffda569d
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x55d14b76b3b8 - std::panicking::try::h53f36df0935b9500
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x55d14b76b3b8 - std::panic::catch_unwind::h5a497f74b0ce006f
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x55d14b76b3b8 - test::run_test_in_process::hab0aead337f48a88
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x55d14b76b3b8 - test::run_test::run_test_inner::{{closure}}::h632c383164d4cba2
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x55d14b739b3d - test::run_test::run_test_inner::{{closure}}::h7c4b3612891a4b58
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x55d14b739b3d - std::sys_common::backtrace::__rust_begin_short_backtrace::habf7d8a08419d00e
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55d14b73e268 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h3acba502e2068204
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x55d14b73e268 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h526ef819c1964a35
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x55d14b73e268 - std::panicking::try::do_call::hc0b5663d6373cec8
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x55d14b73e268 - std::panicking::try::ha9007ede9d35dcd6
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x55d14b73e268 - std::panic::catch_unwind::hf60d56329ebbb81c
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x55d14b73e268 - std::thread::Builder::spawn_unchecked::{{closure}}::hb1722d498f4ce777
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x55d14b73e268 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h15eb01325730c962
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55d14ba79eb7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h09f167e08fc945ff
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x55d14ba79eb7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf814fe85eeb118e0
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x55d14ba79eb7 - std::sys::unix::thread::Thread::new::thread_start::hb71b17934c5f5e68
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys/unix/thread.rs:91:17
[INFO] [stdout]   41:     0x7f1a6679d609 - start_thread
[INFO] [stdout]   42:     0x7f1a6656f293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- solver::tests::solve_sudoku_very_hard stdout ----
[INFO] [stdout] thread 'solver::tests::solve_sudoku_very_hard' panicked at 'called `Result::unwrap()` on an `Err` value: "Timeout error"', src/solver.rs:864:49
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d14ba72930 - std::backtrace_rs::backtrace::libunwind::trace::h99dbb39dca18857d
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55d14ba72930 - std::backtrace_rs::backtrace::trace_unsynchronized::h832861927e9cfedf
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d14ba72930 - std::sys_common::backtrace::_print_fmt::h3d18154c77dcf310
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55d14ba72930 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he312f4ad5b9bb346
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55d14ba971bc - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x55d14ba6f395 - std::io::Write::write_fmt::h65d36b96410d80d7
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x55d14ba74b1b - std::sys_common::backtrace::_print::h65d996766de40da4
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55d14ba74b1b - std::sys_common::backtrace::print::h40df9727e635f303
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55d14ba74b1b - std::panicking::default_hook::{{closure}}::hd2da4327dea91a51
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55d14ba7462c - std::panicking::default_hook::h3d55120ad6ada158
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55d14ba751e4 - std::panicking::rust_panic_with_hook::hf85dd0bb545e3b55
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55d14ba74cc7 - std::panicking::begin_panic_handler::{{closure}}::h736ae969434da9fa
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55d14ba72e0c - std::sys_common::backtrace::__rust_end_short_backtrace::h6133bb80b1d6c3e0
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55d14ba74c29 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55d14b7078c1 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55d14b7079b3 - core::result::unwrap_failed::he898b02f57993c42
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/result.rs:1599:5
[INFO] [stdout]   16:     0x55d14b71c436 - core::result::Result<T,E>::unwrap::h68b8785e93de2a1f
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/result.rs:1281:23
[INFO] [stdout]   17:     0x55d14b72e3be - sudoku_rust::solver::tests::solve_sudoku_very_hard::h578a6073f579f8f8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/solver.rs:864:28
[INFO] [stdout]   18:     0x55d14b72e28a - sudoku_rust::solver::tests::solve_sudoku_very_hard::{{closure}}::hf78e990d9a8e273e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/solver.rs:860:5
[INFO] [stdout]   19:     0x55d14b72f44e - core::ops::function::FnOnce::call_once::h9ca4d22cc26e86d3
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55d14b76c943 - core::ops::function::FnOnce::call_once::h227fa683a5745bd3
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55d14b76c943 - test::__rust_begin_short_backtrace::h3a193bd570ada00a
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x55d14b76b3b8 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h262d2f411717179a
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x55d14b76b3b8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfec00caec3e52a7b
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x55d14b76b3b8 - std::panicking::try::do_call::ha5f42e76ffda569d
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x55d14b76b3b8 - std::panicking::try::h53f36df0935b9500
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x55d14b76b3b8 - std::panic::catch_unwind::h5a497f74b0ce006f
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x55d14b76b3b8 - test::run_test_in_process::hab0aead337f48a88
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x55d14b76b3b8 - test::run_test::run_test_inner::{{closure}}::h632c383164d4cba2
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x55d14b739b3d - test::run_test::run_test_inner::{{closure}}::h7c4b3612891a4b58
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x55d14b739b3d - std::sys_common::backtrace::__rust_begin_short_backtrace::habf7d8a08419d00e
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55d14b73e268 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h3acba502e2068204
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x55d14b73e268 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h526ef819c1964a35
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x55d14b73e268 - std::panicking::try::do_call::hc0b5663d6373cec8
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x55d14b73e268 - std::panicking::try::ha9007ede9d35dcd6
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x55d14b73e268 - std::panic::catch_unwind::hf60d56329ebbb81c
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x55d14b73e268 - std::thread::Builder::spawn_unchecked::{{closure}}::hb1722d498f4ce777
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x55d14b73e268 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h15eb01325730c962
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55d14ba79eb7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h09f167e08fc945ff
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x55d14ba79eb7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf814fe85eeb118e0
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x55d14ba79eb7 - std::sys::unix::thread::Thread::new::thread_start::hb71b17934c5f5e68
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys/unix/thread.rs:91:17
[INFO] [stdout]   41:     0x7f1a6679d609 - start_thread
[INFO] [stdout]   42:     0x7f1a6656f293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- reader::tests::read_image_sudoku_hard stdout ----
[INFO] [stdout] Image dimensions: (600, 600)
[INFO] [stdout] Number of contours: 122
[INFO] [stdout] thread 'reader::tests::read_image_sudoku_hard' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `  
[INFO] [stdout]   |1|2|3|4|5|6|7|8|9|  
[INFO] [stdout] |a|8|-|-|4|-|6|-|-|7|  
[INFO] [stdout] |b|-|-|-|-|-|-|4|-|-|  
[INFO] [stdout] |c|-|1|-|-|-|-|6|5|-|  
[INFO] [stdout] |d|5|-|9|-|3|-|7|8|-|  
[INFO] [stdout] |e|-|-|-|-|7|-|-|-|-|  
[INFO] [stdout] |f|-|4|8|-|2|-|1|-|3|  
[INFO] [stdout] |g|-|5|2|-|-|-|-|9|-|  
[INFO] [stdout] |h|-|-|1|-|-|-|-|-|-|  
[INFO] [stdout] |i|3|-|-|9|-|2|-|-|5|  
[INFO] [stdout] `,
[INFO] [stdout]  right: `  
[INFO] [stdout]   |1|2|3|4|5|6|7|8|9|  
[INFO] [stdout] |a|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] |b|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] |c|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] |d|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] |e|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] |f|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] |g|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] |h|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] |i|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] `', src/reader.rs:146:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d14ba72930 - std::backtrace_rs::backtrace::libunwind::trace::h99dbb39dca18857d
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55d14ba72930 - std::backtrace_rs::backtrace::trace_unsynchronized::h832861927e9cfedf
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d14ba72930 - std::sys_common::backtrace::_print_fmt::h3d18154c77dcf310
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55d14ba72930 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he312f4ad5b9bb346
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55d14ba971bc - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x55d14ba6f395 - std::io::Write::write_fmt::h65d36b96410d80d7
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x55d14ba74b1b - std::sys_common::backtrace::_print::h65d996766de40da4
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55d14ba74b1b - std::sys_common::backtrace::print::h40df9727e635f303
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55d14ba74b1b - std::panicking::default_hook::{{closure}}::hd2da4327dea91a51
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55d14ba7462c - std::panicking::default_hook::h3d55120ad6ada158
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55d14ba751e4 - std::panicking::rust_panic_with_hook::hf85dd0bb545e3b55
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55d14ba74cc7 - std::panicking::begin_panic_handler::{{closure}}::h736ae969434da9fa
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55d14ba72e0c - std::sys_common::backtrace::__rust_end_short_backtrace::h6133bb80b1d6c3e0
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55d14ba74c29 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55d14b7078c1 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55d14ba94d68 - core::panicking::assert_failed_inner::h6ded2444c01d76f2
[INFO] [stdout]   16:     0x55d14b7148fa - core::panicking::assert_failed::h73b1e2139050ae58
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/panicking.rs:117:5
[INFO] [stdout]   17:     0x55d14b71ac4f - sudoku_rust::reader::tests::read_image_sudoku_hard::h05d38813a25b5d08
[INFO] [stdout]                                at /opt/rustwide/workdir/src/reader.rs:146:9
[INFO] [stdout]   18:     0x55d14b71aaca - sudoku_rust::reader::tests::read_image_sudoku_hard::{{closure}}::h33da2f8f5c14f382
[INFO] [stdout]                                at /opt/rustwide/workdir/src/reader.rs:142:5
[INFO] [stdout]   19:     0x55d14b72f23e - core::ops::function::FnOnce::call_once::h2ca43ecf4f74bdaf
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55d14b76c943 - core::ops::function::FnOnce::call_once::h227fa683a5745bd3
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55d14b76c943 - test::__rust_begin_short_backtrace::h3a193bd570ada00a
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x55d14b76b3b8 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h262d2f411717179a
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x55d14b76b3b8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfec00caec3e52a7b
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x55d14b76b3b8 - std::panicking::try::do_call::ha5f42e76ffda569d
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x55d14b76b3b8 - std::panicking::try::h53f36df0935b9500
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x55d14b76b3b8 - std::panic::catch_unwind::h5a497f74b0ce006f
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x55d14b76b3b8 - test::run_test_in_process::hab0aead337f48a88
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x55d14b76b3b8 - test::run_test::run_test_inner::{{closure}}::h632c383164d4cba2
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x55d14b739b3d - test::run_test::run_test_inner::{{closure}}::h7c4b3612891a4b58
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x55d14b739b3d - std::sys_common::backtrace::__rust_begin_short_backtrace::habf7d8a08419d00e
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55d14b73e268 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h3acba502e2068204
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x55d14b73e268 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h526ef819c1964a35
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x55d14b73e268 - std::panicking::try::do_call::hc0b5663d6373cec8
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x55d14b73e268 - std::panicking::try::ha9007ede9d35dcd6
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x55d14b73e268 - std::panic::catch_unwind::hf60d56329ebbb81c
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x55d14b73e268 - std::thread::Builder::spawn_unchecked::{{closure}}::hb1722d498f4ce777
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x55d14b73e268 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h15eb01325730c962
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55d14ba79eb7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h09f167e08fc945ff
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x55d14ba79eb7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf814fe85eeb118e0
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x55d14ba79eb7 - std::sys::unix::thread::Thread::new::thread_start::hb71b17934c5f5e68
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys/unix/thread.rs:91:17
[INFO] [stdout]   41:     0x7f1a6679d609 - start_thread
[INFO] [stdout]   42:     0x7f1a6656f293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- reader::tests::read_image_sudoku_very_hard stdout ----
[INFO] [stdout] Image dimensions: (439, 443)
[INFO] [stdout] Number of contours: 85
[INFO] [stdout] thread 'reader::tests::read_image_sudoku_very_hard' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `  
[INFO] [stdout]   |1|2|3|4|5|6|7|8|9|  
[INFO] [stdout] |a|-|-|-|-|-|9|-|7|-|  
[INFO] [stdout] |b|-|-|-|-|8|2|-|5|-|  
[INFO] [stdout] |c|3|2|7|-|-|-|-|4|-|  
[INFO] [stdout] |d|-|1|6|-|4|-|-|-|-|  
[INFO] [stdout] |e|-|5|-|-|-|-|3|-|-|  
[INFO] [stdout] |f|-|-|-|-|9|-|7|-|-|  
[INFO] [stdout] |g|-|-|-|6|-|-|-|-|5|  
[INFO] [stdout] |h|8|-|2|-|-|-|-|-|-|  
[INFO] [stdout] |i|-|-|4|2|-|-|-|-|8|  
[INFO] [stdout] `,
[INFO] [stdout]  right: `  
[INFO] [stdout]   |1|2|3|4|5|6|7|8|9|  
[INFO] [stdout] |a|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] |b|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] |c|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] |d|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] |e|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] |f|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] |g|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] |h|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] |i|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] `', src/reader.rs:154:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d14ba72930 - std::backtrace_rs::backtrace::libunwind::trace::h99dbb39dca18857d
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55d14ba72930 - std::backtrace_rs::backtrace::trace_unsynchronized::h832861927e9cfedf
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d14ba72930 - std::sys_common::backtrace::_print_fmt::h3d18154c77dcf310
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55d14ba72930 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he312f4ad5b9bb346
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55d14ba971bc - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x55d14ba6f395 - std::io::Write::write_fmt::h65d36b96410d80d7
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x55d14ba74b1b - std::sys_common::backtrace::_print::h65d996766de40da4
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55d14ba74b1b - std::sys_common::backtrace::print::h40df9727e635f303
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55d14ba74b1b - std::panicking::default_hook::{{closure}}::hd2da4327dea91a51
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55d14ba7462c - std::panicking::default_hook::h3d55120ad6ada158
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55d14ba751e4 - std::panicking::rust_panic_with_hook::hf85dd0bb545e3b55
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55d14ba74cc7 - std::panicking::begin_panic_handler::{{closure}}::h736ae969434da9fa
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55d14ba72e0c - std::sys_common::backtrace::__rust_end_short_backtrace::h6133bb80b1d6c3e0
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55d14ba74c29 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55d14b7078c1 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55d14ba94d68 - core::panicking::assert_failed_inner::h6ded2444c01d76f2
[INFO] [stdout]   16:     0x55d14b7148fa - core::panicking::assert_failed::h73b1e2139050ae58
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/panicking.rs:117:5
[INFO] [stdout]   17:     0x55d14b71ae1f - sudoku_rust::reader::tests::read_image_sudoku_very_hard::hfb8a4ce6644ba63e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/reader.rs:154:9
[INFO] [stdout]   18:     0x55d14b71ac9a - sudoku_rust::reader::tests::read_image_sudoku_very_hard::{{closure}}::h8fd92e682750eb49
[INFO] [stdout]                                at /opt/rustwide/workdir/src/reader.rs:150:5
[INFO] [stdout]   19:     0x55d14b72f2fe - core::ops::function::FnOnce::call_once::h47d1d5039536155e
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55d14b76c943 - core::ops::function::FnOnce::call_once::h227fa683a5745bd3
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55d14b76c943 - test::__rust_begin_short_backtrace::h3a193bd570ada00a
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x55d14b76b3b8 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h262d2f411717179a
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x55d14b76b3b8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfec00caec3e52a7b
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x55d14b76b3b8 - std::panicking::try::do_call::ha5f42e76ffda569d
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x55d14b76b3b8 - std::panicking::try::h53f36df0935b9500
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x55d14b76b3b8 - std::panic::catch_unwind::h5a497f74b0ce006f
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x55d14b76b3b8 - test::run_test_in_process::hab0aead337f48a88
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x55d14b76b3b8 - test::run_test::run_test_inner::{{closure}}::h632c383164d4cba2
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x55d14b739b3d - test::run_test::run_test_inner::{{closure}}::h7c4b3612891a4b58
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x55d14b739b3d - std::sys_common::backtrace::__rust_begin_short_backtrace::habf7d8a08419d00e
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55d14b73e268 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h3acba502e2068204
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x55d14b73e268 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h526ef819c1964a35
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x55d14b73e268 - std::panicking::try::do_call::hc0b5663d6373cec8
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x55d14b73e268 - std::panicking::try::ha9007ede9d35dcd6
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x55d14b73e268 - std::panic::catch_unwind::hf60d56329ebbb81c
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x55d14b73e268 - std::thread::Builder::spawn_unchecked::{{closure}}::hb1722d498f4ce777
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x55d14b73e268 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h15eb01325730c962
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55d14ba79eb7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h09f167e08fc945ff
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x55d14ba79eb7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf814fe85eeb118e0
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x55d14ba79eb7 - std::sys::unix::thread::Thread::new::thread_start::hb71b17934c5f5e68
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys/unix/thread.rs:91:17
[INFO] [stdout]   41:     0x7f1a6679d609 - start_thread
[INFO] [stdout]   42:     0x7f1a6656f293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- reader::tests::read_image_sudoku_easy stdout ----
[INFO] [stdout] Image dimensions: (1028, 1028)
[INFO] [stdout] Number of contours: 63
[INFO] [stdout] thread 'reader::tests::read_image_sudoku_easy' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `  
[INFO] [stdout]   |1|2|3|4|5|6|7|8|9|  
[INFO] [stdout] |a|4|-|1|2|9|-|-|7|5|  
[INFO] [stdout] |b|2|-|-|3|-|-|8|-|-|  
[INFO] [stdout] |c|-|7|-|-|8|-|-|-|6|  
[INFO] [stdout] |d|-|-|-|1|-|3|-|6|2|  
[INFO] [stdout] |e|1|-|5|-|-|-|4|-|3|  
[INFO] [stdout] |f|7|3|-|6|-|8|-|-|-|  
[INFO] [stdout] |g|6|-|-|-|2|-|-|3|-|  
[INFO] [stdout] |h|-|-|7|-|-|1|-|-|4|  
[INFO] [stdout] |i|8|9|-|-|6|5|1|-|7|  
[INFO] [stdout] `,
[INFO] [stdout]  right: `  
[INFO] [stdout]   |1|2|3|4|5|6|7|8|9|  
[INFO] [stdout] |a|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] |b|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] |c|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] |d|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] |e|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] |f|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] |g|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] |h|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] |i|-|-|-|-|-|-|-|-|-|  
[INFO] [stdout] `', src/reader.rs:138:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d14ba72930 - std::backtrace_rs::backtrace::libunwind::trace::h99dbb39dca18857d
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55d14ba72930 - std::backtrace_rs::backtrace::trace_unsynchronized::h832861927e9cfedf
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d14ba72930 - std::sys_common::backtrace::_print_fmt::h3d18154c77dcf310
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55d14ba72930 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he312f4ad5b9bb346
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55d14ba971bc - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x55d14ba6f395 - std::io::Write::write_fmt::h65d36b96410d80d7
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x55d14ba74b1b - std::sys_common::backtrace::_print::h65d996766de40da4
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55d14ba74b1b - std::sys_common::backtrace::print::h40df9727e635f303
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55d14ba74b1b - std::panicking::default_hook::{{closure}}::hd2da4327dea91a51
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55d14ba7462c - std::panicking::default_hook::h3d55120ad6ada158
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55d14ba751e4 - std::panicking::rust_panic_with_hook::hf85dd0bb545e3b55
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55d14ba74cc7 - std::panicking::begin_panic_handler::{{closure}}::h736ae969434da9fa
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55d14ba72e0c - std::sys_common::backtrace::__rust_end_short_backtrace::h6133bb80b1d6c3e0
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55d14ba74c29 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55d14b7078c1 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55d14ba94d68 - core::panicking::assert_failed_inner::h6ded2444c01d76f2
[INFO] [stdout]   16:     0x55d14b7148fa - core::panicking::assert_failed::h73b1e2139050ae58
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/panicking.rs:117:5
[INFO] [stdout]   17:     0x55d14b71aa7f - sudoku_rust::reader::tests::read_image_sudoku_easy::hefe242df0a463b4f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/reader.rs:138:9
[INFO] [stdout]   18:     0x55d14b71a8fa - sudoku_rust::reader::tests::read_image_sudoku_easy::{{closure}}::h571b398bd545cc2b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/reader.rs:134:5
[INFO] [stdout]   19:     0x55d14b72f40e - core::ops::function::FnOnce::call_once::h88885bbcf6216c40
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55d14b76c943 - core::ops::function::FnOnce::call_once::h227fa683a5745bd3
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55d14b76c943 - test::__rust_begin_short_backtrace::h3a193bd570ada00a
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x55d14b76b3b8 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h262d2f411717179a
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x55d14b76b3b8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfec00caec3e52a7b
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x55d14b76b3b8 - std::panicking::try::do_call::ha5f42e76ffda569d
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x55d14b76b3b8 - std::panicking::try::h53f36df0935b9500
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x55d14b76b3b8 - std::panic::catch_unwind::h5a497f74b0ce006f
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x55d14b76b3b8 - test::run_test_in_process::hab0aead337f48a88
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x55d14b76b3b8 - test::run_test::run_test_inner::{{closure}}::h632c383164d4cba2
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x55d14b739b3d - test::run_test::run_test_inner::{{closure}}::h7c4b3612891a4b58
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x55d14b739b3d - std::sys_common::backtrace::__rust_begin_short_backtrace::habf7d8a08419d00e
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55d14b73e268 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h3acba502e2068204
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x55d14b73e268 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h526ef819c1964a35
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x55d14b73e268 - std::panicking::try::do_call::hc0b5663d6373cec8
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x55d14b73e268 - std::panicking::try::ha9007ede9d35dcd6
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x55d14b73e268 - std::panic::catch_unwind::hf60d56329ebbb81c
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x55d14b73e268 - std::thread::Builder::spawn_unchecked::{{closure}}::hb1722d498f4ce777
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x55d14b73e268 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h15eb01325730c962
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55d14ba79eb7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h09f167e08fc945ff
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x55d14ba79eb7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf814fe85eeb118e0
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x55d14ba79eb7 - std::sys::unix::thread::Thread::new::thread_start::hb71b17934c5f5e68
[INFO] [stdout]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys/unix/thread.rs:91:17
[INFO] [stdout]   41:     0x7f1a6679d609 - start_thread
[INFO] [stdout]   42:     0x7f1a6656f293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     reader::tests::read_image_sudoku_easy
[INFO] [stdout]     reader::tests::read_image_sudoku_hard
[INFO] [stdout]     reader::tests::read_image_sudoku_very_hard
[INFO] [stdout]     solver::tests::solve_sudoku_hard
[INFO] [stdout]     solver::tests::solve_sudoku_very_hard
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.79s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--bin sudoku-rust'
[INFO] running `Command { std: "docker" "inspect" "e8624b58a4d982a1356f784b7135f785b35b965cd7aab6e87dfa14f674a2a77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8624b58a4d982a1356f784b7135f785b35b965cd7aab6e87dfa14f674a2a77c", kill_on_drop: false }`
[INFO] [stdout] e8624b58a4d982a1356f784b7135f785b35b965cd7aab6e87dfa14f674a2a77c