[INFO] cloning repository https://github.com/jplotkin05/sudoku-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jplotkin05/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjplotkin05%2Fsudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjplotkin05%2Fsudoku-solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a374405abeae2d1606c0942bea8ffbea055c6a40 [INFO] testing jplotkin05/sudoku-solver against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjplotkin05%2Fsudoku-solver" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/jplotkin05/sudoku-solver [INFO] finished tweaking git repo https://github.com/jplotkin05/sudoku-solver [INFO] tweaked toml for git repo https://github.com/jplotkin05/sudoku-solver written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jplotkin05/sudoku-solver on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jplotkin05/sudoku-solver already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3e2f3513c0ab6724f84e933697970283b7d78bc8ae4ab61f4ba11caa610df500 [INFO] running `Command { std: "docker" "start" "-a" "3e2f3513c0ab6724f84e933697970283b7d78bc8ae4ab61f4ba11caa610df500", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3e2f3513c0ab6724f84e933697970283b7d78bc8ae4ab61f4ba11caa610df500", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e2f3513c0ab6724f84e933697970283b7d78bc8ae4ab61f4ba11caa610df500", kill_on_drop: false }` [INFO] [stdout] 3e2f3513c0ab6724f84e933697970283b7d78bc8ae4ab61f4ba11caa610df500 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2da9548eb22424250d279ebbff15070a84223414d71c08e575c88c1efb490508 [INFO] running `Command { std: "docker" "start" "-a" "2da9548eb22424250d279ebbff15070a84223414d71c08e575c88c1efb490508", kill_on_drop: false }` [INFO] [stderr] Compiling sudoku-solve v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "2da9548eb22424250d279ebbff15070a84223414d71c08e575c88c1efb490508", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2da9548eb22424250d279ebbff15070a84223414d71c08e575c88c1efb490508", kill_on_drop: false }` [INFO] [stdout] 2da9548eb22424250d279ebbff15070a84223414d71c08e575c88c1efb490508 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 271046afd8507bcb34575698641eac36ee4a29399ee3aa0ea5896b540a0dd005 [INFO] running `Command { std: "docker" "start" "-a" "271046afd8507bcb34575698641eac36ee4a29399ee3aa0ea5896b540a0dd005", kill_on_drop: false }` [INFO] [stderr] Compiling sudoku-solve v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s [INFO] running `Command { std: "docker" "inspect" "271046afd8507bcb34575698641eac36ee4a29399ee3aa0ea5896b540a0dd005", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "271046afd8507bcb34575698641eac36ee4a29399ee3aa0ea5896b540a0dd005", kill_on_drop: false }` [INFO] [stdout] 271046afd8507bcb34575698641eac36ee4a29399ee3aa0ea5896b540a0dd005 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 12a7ff8a15361437692d7971af30796efdd6f310ab88b39094d2820707cb4b9a [INFO] running `Command { std: "docker" "start" "-a" "12a7ff8a15361437692d7971af30796efdd6f310ab88b39094d2820707cb4b9a", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sudoku_solve-72a819822a6f1853) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test test_expert_puzzle_5 ... ok [INFO] [stdout] test test_expert_puzzle_1 ... ok [INFO] [stdout] test test_simple_puzzle ... ok [INFO] [stdout] test test_intermediate_puzzle ... ok [INFO] [stdout] test test_expert_puzzle_2 ... ok [INFO] [stdout] test test_expert_puzzle_7 ... FAILED [INFO] [stdout] test test_expert_puzzle_4 ... ok [INFO] [stdout] test test_expert_puzzle_3 ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test_expert_puzzle_7 stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'test_expert_puzzle_7' (22) panicked at src/main.rs:169:9: [INFO] [stdout] assertion `left == right` failed [INFO] [stdout] left: [[6, 4, 7, 9, 8, 2, 5, 3, 1], [2, 9, 5, 7, 1, 3, 6, 4, 8], [3, 1, 8, 4, 6, 5, 7, 9, 2], [9, 3, 6, 2, 7, 4, 8, 1, 5], [7, 8, 4, 1, 5, 6, 3, 2, 9], [5, 2, 1, 3, 9, 8, 4, 7, 6], [8, 7, 9, 5, 4, 1, 2, 6, 3], [1, 6, 3, 8, 2, 7, 9, 5, 4], [4, 5, 2, 6, 3, 9, 1, 8, 7]] [INFO] [stdout] right: [[3, 4, 6, 9, 8, 2, 5, 7, 1], [9, 1, 5, 7, 6, 3, 4, 2, 8], [2, 7, 8, 4, 1, 5, 6, 3, 9], [6, 3, 9, 2, 7, 4, 8, 1, 5], [7, 8, 4, 1, 5, 6, 3, 9, 2], [5, 2, 1, 3, 9, 8, 7, 4, 6], [8, 9, 7, 5, 4, 1, 2, 6, 3], [1, 6, 3, 8, 2, 7, 9, 5, 4], [4, 5, 2, 6, 3, 9, 1, 8, 7]] [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5e4ead2d1d8a - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5e4ead2d1d8a - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized:: [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5e4ead2d1d8a - std[31e582c13f4e914f]::sys::backtrace::_print_fmt [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9 [INFO] [stdout] 3: 0x5e4ead2d1d8a - <::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26 [INFO] [stdout] 4: 0x5e4ead2e5aba - ::fmt [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76 [INFO] [stdout] 5: 0x5e4ead2e5aba - core[fa0eadad68403074]::fmt::write [INFO] [stdout] 6: 0x5e4ead2d6612 - std[31e582c13f4e914f]::io::default_write_fmt::> [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5e4ead2d6612 - as std[31e582c13f4e914f]::io::Write>::write_fmt [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13 [INFO] [stdout] 8: 0x5e4ead2b0c4f - ::print [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9 [INFO] [stdout] 9: 0x5e4ead2b0c4f - std[31e582c13f4e914f]::panicking::default_hook::{closure#0} [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27 [INFO] [stdout] 10: 0x5e4ead2c9f99 - std[31e582c13f4e914f]::panicking::default_hook [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9 [INFO] [stdout] 11: 0x5e4ead266d7c - core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9 [INFO] [stdout] 12: 0x5e4ead266d7c - test[7530e63dc052480e]::test_main_with_exit_callback::::{closure#0} [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x5e4ead2ca152 - core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9 [INFO] [stdout] 14: 0x5e4ead2ca152 - std[31e582c13f4e914f]::panicking::panic_with_hook [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13 [INFO] [stdout] 15: 0x5e4ead2b0d08 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0} [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13 [INFO] [stdout] 16: 0x5e4ead2a5dc9 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18 [INFO] [stdout] 17: 0x5e4ead2b1a1d - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5 [INFO] [stdout] 18: 0x5e4ead2e61ac - core[fa0eadad68403074]::panicking::panic_fmt [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14 [INFO] [stdout] 19: 0x5e4ead2e60c3 - core[fa0eadad68403074]::panicking::assert_failed_inner [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:439:17 [INFO] [stdout] 20: 0x5e4ead255430 - core[fa0eadad68403074]::panicking::assert_failed::>, alloc[49b8922c36ca62de]::vec::Vec>> [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:394:5 [INFO] [stdout] 21: 0x5e4ead257183 - sudoku_solve[81a9e9d5a9eb99b1]::test_expert_puzzle_7 [INFO] [stdout] at /opt/rustwide/workdir/src/main.rs:169:9 [INFO] [stdout] 22: 0x5e4ead255c97 - sudoku_solve[81a9e9d5a9eb99b1]::test_expert_puzzle_7::{closure#0} [INFO] [stdout] at /opt/rustwide/workdir/src/main.rs:166:30 [INFO] [stdout] 23: 0x5e4ead25ad26 - >::call_once [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x5e4ead25ae5b - core[fa0eadad68403074]::result::Result<(), alloc[49b8922c36ca62de]::string::String> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x5e4ead25ae5b - test[7530e63dc052480e]::__rust_begin_short_backtrace::, fn() -> core[fa0eadad68403074]::result::Result<(), alloc[49b8922c36ca62de]::string::String>> [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:663:18 [INFO] [stdout] 26: 0x5e4ead26784b - test[7530e63dc052480e]::run_test_in_process::{closure#0} [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:686:74 [INFO] [stdout] 27: 0x5e4ead26784b - as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9 [INFO] [stdout] 28: 0x5e4ead26784b - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::, core[fa0eadad68403074]::result::Result<(), alloc[49b8922c36ca62de]::string::String>> [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40 [INFO] [stdout] 29: 0x5e4ead26784b - std[31e582c13f4e914f]::panicking::catch_unwind::, core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe> [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19 [INFO] [stdout] 30: 0x5e4ead26784b - std[31e582c13f4e914f]::panic::catch_unwind::, core[fa0eadad68403074]::result::Result<(), alloc[49b8922c36ca62de]::string::String>> [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x5e4ead26784b - test[7530e63dc052480e]::run_test_in_process [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:686:27 [INFO] [stdout] 32: 0x5e4ead26784b - test[7530e63dc052480e]::run_test::{closure#0} [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:607:43 [INFO] [stdout] 33: 0x5e4ead261ca4 - test[7530e63dc052480e]::run_test::{closure#1} [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:637:41 [INFO] [stdout] 34: 0x5e4ead261ca4 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace:: [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18 [INFO] [stdout] 35: 0x5e4ead26a452 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::::{closure#1}::{closure#0} [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13 [INFO] [stdout] 36: 0x5e4ead26a452 - ::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9 [INFO] [stdout] 37: 0x5e4ead26a452 - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::::{closure#1}::{closure#0}>, ()> [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40 [INFO] [stdout] 38: 0x5e4ead26a452 - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe::{closure#1}::{closure#0}>> [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19 [INFO] [stdout] 39: 0x5e4ead26a452 - std[31e582c13f4e914f]::panic::catch_unwind::::{closure#1}::{closure#0}>, ()> [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x5e4ead26a452 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::::{closure#1} [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26 [INFO] [stdout] 41: 0x5e4ead26a452 - ::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x5e4ead2d133f - + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9 [INFO] [stdout] 43: 0x5e4ead2d133f - ::new::thread_start [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17 [INFO] [stdout] 44: 0x77b00c55faa4 - [INFO] [stdout] 45: 0x77b00c5eca64 - clone [INFO] [stdout] 46: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] test_expert_puzzle_7 [INFO] [stdout] [INFO] [stdout] test result: FAILED. 7 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin sudoku-solve` [INFO] running `Command { std: "docker" "inspect" "12a7ff8a15361437692d7971af30796efdd6f310ab88b39094d2820707cb4b9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12a7ff8a15361437692d7971af30796efdd6f310ab88b39094d2820707cb4b9a", kill_on_drop: false }` [INFO] [stdout] 12a7ff8a15361437692d7971af30796efdd6f310ab88b39094d2820707cb4b9a