[INFO] cloning repository https://github.com/SAT-STEP/SAT-STEP
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SAT-STEP/SAT-STEP" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSAT-STEP%2FSAT-STEP", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSAT-STEP%2FSAT-STEP'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dd6d2e09ddfd624c88ddf82d36c1b5c172a7987
[INFO] testing SAT-STEP/SAT-STEP against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSAT-STEP%2FSAT-STEP" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SAT-STEP/SAT-STEP
[INFO] finished tweaking git repo https://github.com/SAT-STEP/SAT-STEP
[INFO] tweaked toml for git repo https://github.com/SAT-STEP/SAT-STEP written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SAT-STEP/SAT-STEP on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SAT-STEP/SAT-STEP already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86046e76cf2c9999706c187bc5bdc84783dd9bca52ba07dff3496df29d5e46a8
[INFO] running `Command { std: "docker" "start" "-a" "86046e76cf2c9999706c187bc5bdc84783dd9bca52ba07dff3496df29d5e46a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86046e76cf2c9999706c187bc5bdc84783dd9bca52ba07dff3496df29d5e46a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86046e76cf2c9999706c187bc5bdc84783dd9bca52ba07dff3496df29d5e46a8", kill_on_drop: false }`
[INFO] [stdout] 86046e76cf2c9999706c187bc5bdc84783dd9bca52ba07dff3496df29d5e46a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ed45c490b1b321a25b33cfce4f0ca80f8475d0dda4e54a1592d738241c7ca9b
[INFO] running `Command { std: "docker" "start" "-a" "5ed45c490b1b321a25b33cfce4f0ca80f8475d0dda4e54a1592d738241c7ca9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
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[INFO] [stderr]    Compiling rustix v0.38.26
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.89
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[INFO] [stderr]    Compiling zerocopy v0.7.28
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[INFO] [stderr]    Compiling wayland-sys v0.30.1
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[INFO] [stderr]    Compiling litrs v0.2.3
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[INFO] [stderr]    Compiling enum-map-derive v0.17.0
[INFO] [stderr]    Compiling document-features v0.2.7
[INFO] [stderr]    Compiling polling v3.3.1
[INFO] [stderr]    Compiling cadical v0.1.14 (/opt/rustwide/workdir/cadical-rs)
[INFO] [stderr]    Compiling web-time v0.2.3
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling glow v0.12.3
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[INFO] [stderr]    Compiling rfd v0.12.1
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[INFO] [stderr]    Compiling rustls-webpki v0.101.7
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[INFO] [stderr]    Compiling ashpd v0.6.7
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[INFO] [stderr]    Compiling atspi v0.19.0
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[INFO] [stderr]    Compiling egui-winit v0.24.1
[INFO] [stderr]    Compiling eframe v0.24.1
[INFO] [stderr]    Compiling sat-step v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 21s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: ashpd v0.6.7, document-features v0.2.7
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "5ed45c490b1b321a25b33cfce4f0ca80f8475d0dda4e54a1592d738241c7ca9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ed45c490b1b321a25b33cfce4f0ca80f8475d0dda4e54a1592d738241c7ca9b", kill_on_drop: false }`
[INFO] [stdout] 5ed45c490b1b321a25b33cfce4f0ca80f8475d0dda4e54a1592d738241c7ca9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb95612de62133779c558b89ed169997834fd9035559325284e45f6a2707d52e
[INFO] running `Command { std: "docker" "start" "-a" "cb95612de62133779c558b89ed169997834fd9035559325284e45f6a2707d52e", kill_on_drop: false }`
[INFO] [stderr]    Compiling sat-step v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.83s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: ashpd v0.6.7, document-features v0.2.7
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "cb95612de62133779c558b89ed169997834fd9035559325284e45f6a2707d52e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb95612de62133779c558b89ed169997834fd9035559325284e45f6a2707d52e", kill_on_drop: false }`
[INFO] [stdout] cb95612de62133779c558b89ed169997834fd9035559325284e45f6a2707d52e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b2ba11b55d58f7667a822ebd8e9e72ea174bb6e6e6a48c5595b0e6fff7c10cbe
[INFO] running `Command { std: "docker" "start" "-a" "b2ba11b55d58f7667a822ebd8e9e72ea174bb6e6e6a48c5595b0e6fff7c10cbe", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: ashpd v0.6.7, document-features v0.2.7
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sat_step-03ff1661004235af)
[INFO] [stdout] 
[INFO] [stdout] running 66 tests
[INFO] [stdout] test app_state::tests::test_filter_clearing ... ok
[INFO] [stdout] test app_state::tests::test_filter_by_max_length ... ok
[INFO] [stdout] test app_state::tests::test_count_pages ... ok
[INFO] [stdout] test app_state::tests::test_length_clearing ... ok
[INFO] [stdout] test app_state::tests::test_cell_clearing ... ok
[INFO] [stdout] test app_state::tests::test_reinit ... ok
[INFO] [stdout] test app_state::tests::test_set_page_length ... ok
[INFO] [stdout] test app_state::tests::test_paging_system ... ok
[INFO] [stdout] test app_state::tests::test_select_cell ... ok
[INFO] [stdout] test cnf::tests::test_encoding_rules_shouldbe_not_ok ... ok
[INFO] [stdout] test cnf::decimal_encoding::tests::test_to_id_and_back ... ok
[INFO] [stdout] test app_state::tests::test_set_page_number ... ok
[INFO] [stdout] test app_state::tests::test_update_little_number_constraints ... ok
[INFO] [stdout] test app_state::tests::test_update_little_number_constraints_many_literals ... ok
[INFO] [stdout] test app_state::tests::test_update_little_number_constraints_no_literals ... ok
[INFO] [stdout] test cnf::decimal_encoding::tests::test_cnf_converter_respects_clues ... ok
[INFO] [stdout] test cnf::binary_encoding::tests::test_to_eq_id_and_back ... ok
[INFO] [stdout] test cnf::binary_encoding::tests::test_to_id_and_back ... ok
[INFO] [stdout] test cnf::tests::test_to_cnf_and_back_decimal ... ok
[INFO] [stdout] test cnf::tests::test_to_cnf_and_back_eq ... ok
[INFO] [stdout] test filtering::tests::test_clear_filters_and_multiple_filters ... ok
[INFO] [stdout] test filtering::tests::test_filter_by_cell_binary ... ok
[INFO] [stdout] test cnf::tests::test_get_possible_numbers_eq ... ok
[INFO] [stdout] test cnf::tests::test_encoding_rules_shouldbe_ok ... ok
[INFO] [stdout] test cnf::tests::test_get_possible_numbers_bit ... ok
[INFO] [stdout] test cnf::tests::test_get_possible_groups ... ok
[INFO] [stdout] test cnf::tests::test_get_possible_numbers_decimal ... ok
[INFO] [stdout] test filtering::tests::test_filter_by_cell_decimal ... ok
[INFO] [stdout] test filtering::tests::test_filter_by_max_length ... ok
[INFO] [stdout] test filtering::tests::test_get_empty_filtered_index_list ... ok
[INFO] [stdout] test filtering::tests::test_get_filtered_index_list ... ok
[INFO] [stdout] test filtering::tests::test_get_index_index_list ... ok
[INFO] [stdout] test filtering::tests::test_get_little_number_constraints ... ok
[INFO] [stdout] test filtering::tests::test_get_no_little_number_constraints ... ok
[INFO] [stdout] test statistics::tests::test_csv_header ... ok
[INFO] [stdout] test sudoku::tests::test_get_empty_sudoku ... ok
[INFO] [stdout] test cnf::tests::test_to_cnf_and_back_bit ... ok
[INFO] [stdout] test sudoku::tests::test_get_no_sudoku ... ok
[INFO] [stdout] test filtering::tests::test_get_two_little_number_constraints ... ok
[INFO] [stdout] test filtering::tests::test_paging_system ... ok
[INFO] [stdout] test cnf::decimal_encoding::tests::test_get_cell_value ... ok
[INFO] [stdout] test sudoku::tests::test_get_sudoku ... ok
[INFO] [stdout] test cnf::binary_encoding::tests::test_cnf_converter_respects_clues ... ok
[INFO] [stdout] test sudoku::tests::test_invalid_string_to_sudoku ... ok
[INFO] [stdout] test sudoku::tests::test_string_from_grid ... ok
[INFO] [stdout] test sudoku::tests::test_string_from_grid_second ... ok
[INFO] [stdout] test sudoku::tests::test_write_no_sudoku ... ok
[INFO] [stdout] test statistics::tests::test_statistics ... ok
[INFO] [stdout] test sudoku::tests::test_get_wrong_filetype ... ok
[INFO] [stdout] test cnf::binary_encoding::tests::no_overlapping_identifiers ... ok
[INFO] [stdout] test sudoku::tests::test_write_no_valid_path ... ok
[INFO] [stdout] test tests::test_trail ... ok
[INFO] [stdout] test tests::test_parse_numeric_input_not_numeric ... ok
[INFO] [stdout] test tests::test_parse_numeric_input_valid_input ... ok
[INFO] [stdout] test tests::test_parse_numeric_input_negative ... ok
[INFO] [stdout] test sudoku::tests::test_string_to_clues ... ok
[INFO] [stdout] test tests::test_constraint_list ... ok
[INFO] [stdout] test tests::test_get_cell_returns_correct_cell ... ok
[INFO] [stdout] test tests::test_parse_numeric_input_empty ... ok
[INFO] [stdout] test statistics::tests::test_statistics_csv ... ok
[INFO] [stdout] test sudoku::tests::test_solve_sudoku_fails ... ok
[INFO] [stdout] test warning::tests::test_set_warning ... ok
[INFO] [stdout] test sudoku::tests::test_solve_sudoku_decimal ... ok
[INFO] [stdout] test sudoku::tests::test_solve_sudoku_binary ... ok
[INFO] [stdout] test cnf::binary_encoding::tests::test_get_cell_value ... ok
[INFO] [stdout] test sudoku::tests::test_write_sudoku ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- sudoku::tests::test_write_sudoku stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'sudoku::tests::test_write_sudoku' (81) panicked at src/sudoku.rs:418:58:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x609dfc15a8f2 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x609dfc15a8f2 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x609dfc15a8f2 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x609dfc15a8f2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x609dfc16ad0a - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x609dfc16ad0a - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x609dfc129866 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x609dfc129866 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x609dfc139dc9 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x609dfc139dc9 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x609dfc139c61 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x609dfc0a120e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x609dfc0a120e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x609dfc13a042 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x609dfc13a042 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x609dfc139e88 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x609dfc135419 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x609dfc11db4d - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x609dfc17254c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x609dfc171d52 - core::result::unwrap_failed::h7d4c34940aded59c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x609dfc05c4e3 - core::result::Result<T,E>::unwrap::h2bbe7d09f10fe05f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x609dfc05c4e3 - sat_step::sudoku::tests::test_write_sudoku::h0967a8587067936f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/sudoku.rs:418:58
[INFO] [stdout]   22:     0x609dfc05c6f7 - sat_step::sudoku::tests::test_write_sudoku::{{closure}}::hdf7b4409cfbe566d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/sudoku.rs:414:27
[INFO] [stdout]   23:     0x609dfc058746 - core::ops::function::FnOnce::call_once::hedf06de70348a9cf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x609dfc0a100b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x609dfc0a100b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x609dfc0b49da - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x609dfc0b49da - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x609dfc0b49da - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x609dfc0b49da - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x609dfc0b49da - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x609dfc0b49da - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x609dfc0b49da - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x609dfc08ee34 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x609dfc08ee34 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x609dfc0926f2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x609dfc0926f2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x609dfc0926f2 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x609dfc0926f2 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x609dfc0926f2 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x609dfc0926f2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x609dfc0926f2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x609dfc1306af - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x609dfc1306af - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   44:     0x75f84b3aaaa4 - <unknown>
[INFO] [stdout]   45:     0x75f84b437a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     sudoku::tests::test_write_sudoku
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 65 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "b2ba11b55d58f7667a822ebd8e9e72ea174bb6e6e6a48c5595b0e6fff7c10cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2ba11b55d58f7667a822ebd8e9e72ea174bb6e6e6a48c5595b0e6fff7c10cbe", kill_on_drop: false }`
[INFO] [stdout] b2ba11b55d58f7667a822ebd8e9e72ea174bb6e6e6a48c5595b0e6fff7c10cbe
