[INFO] fetching crate latin_squares 0.1.2... [INFO] testing latin_squares-0.1.2 against 1.98.0-beta.8+cargoflags=--release for beta-release-1.99-2 [INFO] extracting crate latin_squares 0.1.2 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate latin_squares 0.1.2 [INFO] finished tweaking crates.io crate latin_squares 0.1.2 [INFO] tweaked toml for crates.io crate latin_squares 0.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate latin_squares 0.1.2 on toolchain 1.98.0-beta.8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 6 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded moon_math v0.1.3 [INFO] [stderr] Downloaded moon_stats v0.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] cdf96b0cdf38462319b407c3ed9e6a3925653d595dfc3c9de8ee7aa8ba6b494e [INFO] running `Command { std: "docker" "start" "cdf96b0cdf38462319b407c3ed9e6a3925653d595dfc3c9de8ee7aa8ba6b494e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cdf96b0cdf38462319b407c3ed9e6a3925653d595dfc3c9de8ee7aa8ba6b494e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cdf96b0cdf38462319b407c3ed9e6a3925653d595dfc3c9de8ee7aa8ba6b494e" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cdf96b0cdf38462319b407c3ed9e6a3925653d595dfc3c9de8ee7aa8ba6b494e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cdf96b0cdf38462319b407c3ed9e6a3925653d595dfc3c9de8ee7aa8ba6b494e" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.189 [INFO] [stderr] Compiling cfg-if v1.0.4 [INFO] [stderr] Compiling moon_stats v0.1.2 [INFO] [stderr] Compiling getrandom v0.2.17 [INFO] [stderr] Compiling moon_math v0.1.3 [INFO] [stderr] Compiling latin_squares v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::tui::print_2d_vec` [INFO] [stdout] --> src/lib.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use crate::tui::print_2d_vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/lib.rs:191:10 [INFO] [stdout] | [INFO] [stdout] 191 | |&t| (count_cell_possibilities(working_square[row_start + t.0][col_start + t.1]) > 0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 191 - |&t| (count_cell_possibilities(working_square[row_start + t.0][col_start + t.1]) > 0) [INFO] [stdout] 191 + |&t| count_cell_possibilities(working_square[row_start + t.0][col_start + t.1]) > 0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `release` profile [optimized] target(s) in 3.04s [INFO] running `Command { std: "docker" "inspect" "cdf96b0cdf38462319b407c3ed9e6a3925653d595dfc3c9de8ee7aa8ba6b494e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cdf96b0cdf38462319b407c3ed9e6a3925653d595dfc3c9de8ee7aa8ba6b494e" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `crate::tui::print_2d_vec` [INFO] [stdout] --> src/lib.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use crate::tui::print_2d_vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/lib.rs:191:10 [INFO] [stdout] | [INFO] [stdout] 191 | |&t| (count_cell_possibilities(working_square[row_start + t.0][col_start + t.1]) > 0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 191 - |&t| (count_cell_possibilities(working_square[row_start + t.0][col_start + t.1]) > 0) [INFO] [stdout] 191 + |&t| count_cell_possibilities(working_square[row_start + t.0][col_start + t.1]) > 0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling latin_squares v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::tui::print_2d_vec` [INFO] [stdout] --> src/lib.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use crate::tui::print_2d_vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/lib.rs:191:10 [INFO] [stdout] | [INFO] [stdout] 191 | |&t| (count_cell_possibilities(working_square[row_start + t.0][col_start + t.1]) > 0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 191 - |&t| (count_cell_possibilities(working_square[row_start + t.0][col_start + t.1]) > 0) [INFO] [stdout] 191 + |&t| count_cell_possibilities(working_square[row_start + t.0][col_start + t.1]) > 0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `release` profile [optimized] target(s) in 1.75s [INFO] running `Command { std: "docker" "inspect" "cdf96b0cdf38462319b407c3ed9e6a3925653d595dfc3c9de8ee7aa8ba6b494e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cdf96b0cdf38462319b407c3ed9e6a3925653d595dfc3c9de8ee7aa8ba6b494e" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `crate::tui::print_2d_vec` [INFO] [stderr] --> src/lib.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | use crate::tui::print_2d_vec; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around closure body [INFO] [stderr] --> src/lib.rs:191:10 [INFO] [stderr] | [INFO] [stderr] 191 | |&t| (count_cell_possibilities(working_square[row_start + t.0][col_start + t.1]) > 0) [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 191 - |&t| (count_cell_possibilities(working_square[row_start + t.0][col_start + t.1]) > 0) [INFO] [stderr] 191 + |&t| count_cell_possibilities(working_square[row_start + t.0][col_start + t.1]) > 0 [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `latin_squares` (lib) generated 2 warnings (run `cargo fix --lib -p latin_squares` to apply 2 suggestions) [INFO] [stderr] warning: `latin_squares` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `release` profile [optimized] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/release/deps/latin_squares-b9df9c35b7c23386) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test tests::test_latin_solver ... ok [INFO] [stdout] test tests::test_latin_placer ... ok [INFO] [stdout] test tests::test_prob_collapse ... ok [INFO] [stdout] test tests::oversize_square - should panic ... ok [INFO] [stdout] test tests::generation_distribution_statistics ... ok [INFO] [stdout] test tests::test_sudoku_single_answer_generation ... ok [INFO] [stdout] test tests::test_latin_culler ... FAILED [INFO] [stdout] test tests::get_samples ... ok [INFO] [stdout] test tests::test_sudoku_solver ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::test_latin_culler stdout ---- [INFO] [stdout] 6 5 2 0 0 1 [INFO] [stdout] 3 0 5 1 0 0 [INFO] [stdout] 4 0 6 0 0 0 [INFO] [stdout] 0 0 0 6 0 3 [INFO] [stdout] 0 0 3 5 0 2 [INFO] [stdout] 5 0 0 3 2 6 [INFO] [stdout] [INFO] [stdout] thread 'tests::test_latin_culler' (254) panicked at src/lib.rs:365:26: [INFO] [stdout] attempt to calculate the remainder with a divisor of zero [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x64208393f261 - <::print::DisplayBacktrace as core[832e9a552fc17241]::fmt::Display>::fmt [INFO] [stdout] 1: 0x6420839534fa - core[832e9a552fc17241]::fmt::write [INFO] [stdout] 2: 0x64208394371c - as std[97b98282bc616a66]::io::Write>::write_fmt [INFO] [stdout] 3: 0x64208391d986 - std[97b98282bc616a66]::panicking::default_hook::{closure#0} [INFO] [stdout] 4: 0x642083937489 - std[97b98282bc616a66]::panicking::default_hook [INFO] [stdout] 5: 0x6420838d1920 - test[39766f3d73431624]::test_main_inner::::{closure#0} [INFO] [stdout] 6: 0x642083937642 - std[97b98282bc616a66]::panicking::panic_with_hook [INFO] [stdout] 7: 0x64208391da64 - std[97b98282bc616a66]::panicking::panic_handler::{closure#0} [INFO] [stdout] 8: 0x642083915389 - std[97b98282bc616a66]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stdout] 9: 0x64208391e62d - __rustc[e3d8617bb01b7f69]::rust_begin_unwind [INFO] [stdout] 10: 0x642083953c2c - core[832e9a552fc17241]::panicking::panic_fmt [INFO] [stdout] 11: 0x6420839547a9 - core[832e9a552fc17241]::panicking::panic_const::panic_const_rem_by_zero [INFO] [stdout] 12: 0x6420838bb755 - latin_squares[9a18b5042d0085f3]::cull:: [INFO] [stdout] 13: 0x6420838c2532 - latin_squares[9a18b5042d0085f3]::tests::test_latin_culler [INFO] [stdout] 14: 0x6420838bde19 - >::call_once [INFO] [stdout] 15: 0x6420838c4c5b - test[39766f3d73431624]::__rust_begin_short_backtrace::, fn() -> core[832e9a552fc17241]::result::Result<(), alloc[3ecab9f82c41dc7d]::string::String>> [INFO] [stdout] 16: 0x6420838d22a5 - test[39766f3d73431624]::run_test::{closure#0} [INFO] [stdout] 17: 0x6420838ccd54 - std[97b98282bc616a66]::sys::backtrace::__rust_begin_short_backtrace:: [INFO] [stdout] 18: 0x6420838d53f2 - ::{closure#1} as core[832e9a552fc17241]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stdout] 19: 0x64208393eaef - ::new::thread_start [INFO] [stdout] 20: 0x707a9e5b307a - [INFO] [stdout] 21: 0x707a9e646534 - clone [INFO] [stdout] 22: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::test_latin_culler [INFO] [stdout] [INFO] [stdout] test result: FAILED. 8 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.51s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] running `Command { std: "docker" "inspect" "cdf96b0cdf38462319b407c3ed9e6a3925653d595dfc3c9de8ee7aa8ba6b494e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cdf96b0cdf38462319b407c3ed9e6a3925653d595dfc3c9de8ee7aa8ba6b494e", kill_on_drop: false }` [INFO] [stdout] cdf96b0cdf38462319b407c3ed9e6a3925653d595dfc3c9de8ee7aa8ba6b494e