[INFO] cloning repository https://github.com/mkurth/rustysodoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkurth/rustysodoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkurth%2Frustysodoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkurth%2Frustysodoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29feba7bfa8914629753c1752bc4b8beb97fd78b
[INFO] testing mkurth/rustysodoku against master#f9988fefd3add01f414f52b414308e7872622fee for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkurth%2Frustysodoku" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mkurth/rustysodoku
[INFO] finished tweaking git repo https://github.com/mkurth/rustysodoku
[INFO] tweaked toml for git repo https://github.com/mkurth/rustysodoku written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mkurth/rustysodoku on toolchain f9988fefd3add01f414f52b414308e7872622fee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mkurth/rustysodoku 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" "+f9988fefd3add01f414f52b414308e7872622fee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 692b7f7e6e54de4258df7238c7b2f999663aacbcf373520aaad73464d6435838
[INFO] running `Command { std: "docker" "start" "-a" "692b7f7e6e54de4258df7238c7b2f999663aacbcf373520aaad73464d6435838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "692b7f7e6e54de4258df7238c7b2f999663aacbcf373520aaad73464d6435838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "692b7f7e6e54de4258df7238c7b2f999663aacbcf373520aaad73464d6435838", kill_on_drop: false }`
[INFO] [stdout] 692b7f7e6e54de4258df7238c7b2f999663aacbcf373520aaad73464d6435838
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+f9988fefd3add01f414f52b414308e7872622fee" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 279543a491b52ca30d197ec43e6eb75c690f35eb19aa2787b457292b14fb6b1a
[INFO] running `Command { std: "docker" "start" "-a" "279543a491b52ca30d197ec43e6eb75c690f35eb19aa2787b457292b14fb6b1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustysodoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cells`
[INFO] [stdout]   --> src/solver.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn zip_with_all_solutions(cells: Vec<Vec<Cell>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_cells`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cells`
[INFO] [stdout]   --> src/solver.rs:14:32
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn reduce_impossible_solutions(cells: Vec<Vec<(Cell, Vec<usize>)>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_cells`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cells`
[INFO] [stdout]   --> src/solver.rs:18:29
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn reduce_possible_solution(cells: Vec<Vec<(Cell, Vec<usize>)>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_cells`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zip_with_all_solutions` is never used
[INFO] [stdout]   --> src/solver.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn zip_with_all_solutions(cells: Vec<Vec<Cell>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reduce_impossible_solutions` is never used
[INFO] [stdout]   --> src/solver.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn reduce_impossible_solutions(cells: Vec<Vec<(Cell, Vec<usize>)>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reduce_possible_solution` is never used
[INFO] [stdout]   --> src/solver.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn reduce_possible_solution(cells: Vec<Vec<(Cell, Vec<usize>)>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "279543a491b52ca30d197ec43e6eb75c690f35eb19aa2787b457292b14fb6b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "279543a491b52ca30d197ec43e6eb75c690f35eb19aa2787b457292b14fb6b1a", kill_on_drop: false }`
[INFO] [stdout] 279543a491b52ca30d197ec43e6eb75c690f35eb19aa2787b457292b14fb6b1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+f9988fefd3add01f414f52b414308e7872622fee" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 614eb6616f8857d820f732edcf6e2e14e8032fdf668df64437bf77e0b82ed150
[INFO] running `Command { std: "docker" "start" "-a" "614eb6616f8857d820f732edcf6e2e14e8032fdf668df64437bf77e0b82ed150", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `cells`
[INFO] [stdout]   --> src/solver.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn zip_with_all_solutions(cells: Vec<Vec<Cell>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_cells`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cells`
[INFO] [stdout]   --> src/solver.rs:14:32
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn reduce_impossible_solutions(cells: Vec<Vec<(Cell, Vec<usize>)>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_cells`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cells`
[INFO] [stdout]   --> src/solver.rs:18:29
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn reduce_possible_solution(cells: Vec<Vec<(Cell, Vec<usize>)>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_cells`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zip_with_all_solutions` is never used
[INFO] [stdout]   --> src/solver.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn zip_with_all_solutions(cells: Vec<Vec<Cell>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reduce_impossible_solutions` is never used
[INFO] [stdout]   --> src/solver.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn reduce_impossible_solutions(cells: Vec<Vec<(Cell, Vec<usize>)>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reduce_possible_solution` is never used
[INFO] [stdout]   --> src/solver.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn reduce_possible_solution(cells: Vec<Vec<(Cell, Vec<usize>)>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustysodoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cells`
[INFO] [stdout]   --> src/solver.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn zip_with_all_solutions(cells: Vec<Vec<Cell>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_cells`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cells`
[INFO] [stdout]   --> src/solver.rs:14:32
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn reduce_impossible_solutions(cells: Vec<Vec<(Cell, Vec<usize>)>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_cells`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cells`
[INFO] [stdout]   --> src/solver.rs:18:29
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn reduce_possible_solution(cells: Vec<Vec<(Cell, Vec<usize>)>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_cells`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zip_with_all_solutions` is never used
[INFO] [stdout]   --> src/solver.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn zip_with_all_solutions(cells: Vec<Vec<Cell>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reduce_impossible_solutions` is never used
[INFO] [stdout]   --> src/solver.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn reduce_impossible_solutions(cells: Vec<Vec<(Cell, Vec<usize>)>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reduce_possible_solution` is never used
[INFO] [stdout]   --> src/solver.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn reduce_possible_solution(cells: Vec<Vec<(Cell, Vec<usize>)>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "614eb6616f8857d820f732edcf6e2e14e8032fdf668df64437bf77e0b82ed150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "614eb6616f8857d820f732edcf6e2e14e8032fdf668df64437bf77e0b82ed150", kill_on_drop: false }`
[INFO] [stdout] 614eb6616f8857d820f732edcf6e2e14e8032fdf668df64437bf77e0b82ed150
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+f9988fefd3add01f414f52b414308e7872622fee" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e3281b45220b2e019ef365d8652b655be210dbcef36a7754efeb41686a43d4a
[INFO] running `Command { std: "docker" "start" "-a" "6e3281b45220b2e019ef365d8652b655be210dbcef36a7754efeb41686a43d4a", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `cells`
[INFO] [stderr]   --> src/solver.rs:10:27
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn zip_with_all_solutions(cells: Vec<Vec<Cell>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stderr]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_cells`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cells`
[INFO] [stderr]   --> src/solver.rs:14:32
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn reduce_impossible_solutions(cells: Vec<Vec<(Cell, Vec<usize>)>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stderr]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_cells`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cells`
[INFO] [stderr]   --> src/solver.rs:18:29
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn reduce_possible_solution(cells: Vec<Vec<(Cell, Vec<usize>)>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stderr]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_cells`
[INFO] [stderr] 
[INFO] [stderr] warning: function `zip_with_all_solutions` is never used
[INFO] [stderr]   --> src/solver.rs:10:4
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn zip_with_all_solutions(cells: Vec<Vec<Cell>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `reduce_impossible_solutions` is never used
[INFO] [stderr]   --> src/solver.rs:14:4
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn reduce_impossible_solutions(cells: Vec<Vec<(Cell, Vec<usize>)>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `reduce_possible_solution` is never used
[INFO] [stderr]   --> src/solver.rs:18:4
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn reduce_possible_solution(cells: Vec<Vec<(Cell, Vec<usize>)>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rustysodoku` (lib) generated 6 warnings (run `cargo fix --lib -p rustysodoku` to apply 3 suggestions)
[INFO] [stderr] warning: `rustysodoku` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustysodoku-dd699d1adae3f170)
[INFO] [stdout] test solver::tests::ca_solve_2x2_with_only_one_missing_field ... ok
[INFO] [stdout] test solver::tests::can_solve_3x3_with_only_one_missing_field ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- solver::tests::can_solve_3x3_with_only_one_missing_field stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'solver::tests::can_solve_3x3_with_only_one_missing_field' (19) panicked at src/solver.rs:51:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Empty
[INFO] [stdout]  right: Filled { number: 2 }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b76b7e64f6a - std[1209cfb42f6d497f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b76b7e64f6a - std[1209cfb42f6d497f]::backtrace_rs::backtrace::trace_unsynchronized::<std[1209cfb42f6d497f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b76b7e64f6a - std[1209cfb42f6d497f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5b76b7e64f6a - <<std[1209cfb42f6d497f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[4a92201981c6b77a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5b76b7e78d5a - <core[4a92201981c6b77a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5b76b7e78d5a - core[4a92201981c6b77a]::fmt::write
[INFO] [stdout]    6:     0x5b76b7e697a2 - std[1209cfb42f6d497f]::io::default_write_fmt::<alloc[420bb310a727dfd7]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x5b76b7e697a2 - <alloc[420bb310a727dfd7]::vec::Vec<u8> as std[1209cfb42f6d497f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x5b76b7e43f6f - <std[1209cfb42f6d497f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5b76b7e43f6f - std[1209cfb42f6d497f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5b76b7e5d3c9 - std[1209cfb42f6d497f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5b76b7df9c1c - <alloc[420bb310a727dfd7]::boxed::Box<dyn for<'a, 'b> core[4a92201981c6b77a]::ops::function::Fn<(&'a std[1209cfb42f6d497f]::panic::PanicHookInfo<'b>,), Output = ()> + core[4a92201981c6b77a]::marker::Sync + core[4a92201981c6b77a]::marker::Send> as core[4a92201981c6b77a]::ops::function::Fn<(&std[1209cfb42f6d497f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x5b76b7df9c1c - test[59e67a9bc0e119f1]::test_main_inner::<test[59e67a9bc0e119f1]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5b76b7e5d582 - <alloc[420bb310a727dfd7]::boxed::Box<dyn for<'a, 'b> core[4a92201981c6b77a]::ops::function::Fn<(&'a std[1209cfb42f6d497f]::panic::PanicHookInfo<'b>,), Output = ()> + core[4a92201981c6b77a]::marker::Sync + core[4a92201981c6b77a]::marker::Send> as core[4a92201981c6b77a]::ops::function::Fn<(&std[1209cfb42f6d497f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x5b76b7e5d582 - std[1209cfb42f6d497f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5b76b7e44028 - std[1209cfb42f6d497f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5b76b7e39239 - std[1209cfb42f6d497f]::sys::backtrace::__rust_end_short_backtrace::<std[1209cfb42f6d497f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5b76b7e44d3d - __rustc[4effac393e9f3da6]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5b76b7e7944c - core[4a92201981c6b77a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5b76b7e79363 - core[4a92201981c6b77a]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x5b76b7de9ca0 - core[4a92201981c6b77a]::panicking::assert_failed::<rustysodoku[df0810e084cc40d4]::rustysodoku::Cell, rustysodoku[df0810e084cc40d4]::rustysodoku::Cell>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x5b76b7debaf2 - rustysodoku[df0810e084cc40d4]::solver::tests::can_solve_3x3_with_only_one_missing_field
[INFO] [stdout]                                at /opt/rustwide/workdir/src/solver.rs:51:9
[INFO] [stdout]   22:     0x5b76b7dea897 - rustysodoku[df0810e084cc40d4]::solver::tests::can_solve_3x3_with_only_one_missing_field::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/solver.rs:41:51
[INFO] [stdout]   23:     0x5b76b7dece26 - <rustysodoku[df0810e084cc40d4]::solver::tests::can_solve_3x3_with_only_one_missing_field::{closure#0} as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5b76b7decefb - <fn() -> core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5b76b7decefb - test[59e67a9bc0e119f1]::__rust_begin_short_backtrace::<core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>, fn() -> core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x5b76b7dfa6eb - test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x5b76b7dfa6eb - <core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x5b76b7dfa6eb - std[1209cfb42f6d497f]::panicking::catch_unwind::do_call::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}>, core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5b76b7dfa6eb - std[1209cfb42f6d497f]::panicking::catch_unwind::<core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>, core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5b76b7dfa6eb - std[1209cfb42f6d497f]::panic::catch_unwind::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}>, core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5b76b7dfa6eb - test[59e67a9bc0e119f1]::run_test_in_process
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x5b76b7dfa6eb - test[59e67a9bc0e119f1]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x5b76b7df3e04 - test[59e67a9bc0e119f1]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x5b76b7df3e04 - std[1209cfb42f6d497f]::sys::backtrace::__rust_begin_short_backtrace::<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5b76b7dfd2f2 - std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked::<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x5b76b7dfd2f2 - <core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x5b76b7dfd2f2 - std[1209cfb42f6d497f]::panicking::catch_unwind::do_call::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5b76b7dfd2f2 - std[1209cfb42f6d497f]::panicking::catch_unwind::<(), core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5b76b7dfd2f2 - std[1209cfb42f6d497f]::panic::catch_unwind::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5b76b7dfd2f2 - std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked::<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x5b76b7dfd2f2 - <std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1} as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5b76b7e6487f - <alloc[420bb310a727dfd7]::boxed::Box<dyn core[4a92201981c6b77a]::ops::function::FnOnce<(), Output = ()> + core[4a92201981c6b77a]::marker::Send> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   43:     0x5b76b7e6487f - <std[1209cfb42f6d497f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x71b56c7c4aa4 - <unknown>
[INFO] [stdout]   45:     0x71b56c851a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     solver::tests::can_solve_3x3_with_only_one_missing_field
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6e3281b45220b2e019ef365d8652b655be210dbcef36a7754efeb41686a43d4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e3281b45220b2e019ef365d8652b655be210dbcef36a7754efeb41686a43d4a", kill_on_drop: false }`
[INFO] [stdout] 6e3281b45220b2e019ef365d8652b655be210dbcef36a7754efeb41686a43d4a
