[INFO] updating cached repository tomvidm/rust-sudoku-solver [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/tomvidm/rust-sudoku-solver [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/tomvidm/rust-sudoku-solver" "work/ex/beta-1.38-1/sources/1.37.0/gh/tomvidm/rust-sudoku-solver"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tomvidm/rust-sudoku-solver'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/tomvidm/rust-sudoku-solver" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tomvidm/rust-sudoku-solver"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tomvidm/rust-sudoku-solver'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 9778d53891d8a991798dcffb2afeb743bbc9da94 [INFO] sha for GitHub repo tomvidm/rust-sudoku-solver: 9778d53891d8a991798dcffb2afeb743bbc9da94 [INFO] validating manifest of tomvidm/rust-sudoku-solver on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of tomvidm/rust-sudoku-solver on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing tomvidm/rust-sudoku-solver [INFO] finished frobbing tomvidm/rust-sudoku-solver [INFO] frobbed toml for tomvidm/rust-sudoku-solver written to work/ex/beta-1.38-1/sources/1.37.0/gh/tomvidm/rust-sudoku-solver/Cargo.toml [INFO] started frobbing tomvidm/rust-sudoku-solver [INFO] finished frobbing tomvidm/rust-sudoku-solver [INFO] frobbed toml for tomvidm/rust-sudoku-solver written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tomvidm/rust-sudoku-solver/Cargo.toml [INFO] crate tomvidm/rust-sudoku-solver already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing tomvidm/rust-sudoku-solver against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tomvidm/rust-sudoku-solver:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"` [INFO] [stdout] a575a11fe6cfc481db8ed5fa0265e6ba5620db2f3d30e39457f96e1ee34bef1e [INFO] running `"docker" "start" "-a" "a575a11fe6cfc481db8ed5fa0265e6ba5620db2f3d30e39457f96e1ee34bef1e"` [INFO] [stderr] Compiling ryu v0.2.4 [INFO] [stderr] Compiling serde v1.0.73 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling serde_derive v1.0.73 [INFO] [stderr] Compiling serde_json v1.0.26 [INFO] [stderr] Compiling sudoku v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `board` [INFO] [stderr] --> src/main.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | let board = su::Board::new(); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_board` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `coord` [INFO] [stderr] --> src/su/board.rs:80:21 [INFO] [stderr] | [INFO] [stderr] 80 | let coord = Coord::new(r, c); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_coord` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `old_entry` [INFO] [stderr] --> src/su/board.rs:174:17 [INFO] [stderr] | [INFO] [stderr] 174 | let old_entry = Move::new_from_coord_and_value(coord, old_value); [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_old_entry` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `raw_board_struct` [INFO] [stderr] --> src/su/sugame.rs:31:13 [INFO] [stderr] | [INFO] [stderr] 31 | let raw_board_struct = raw_board.clone(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_raw_board_struct` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `data` [INFO] [stderr] --> src/su/sugame.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | data: [[i8; 9]; 9] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Game` [INFO] [stderr] --> src/su/sugame.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | pub struct Game { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `test_game` [INFO] [stderr] --> src/su/sugame.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | fn test_game() -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.19s [INFO] running `"docker" "inspect" "a575a11fe6cfc481db8ed5fa0265e6ba5620db2f3d30e39457f96e1ee34bef1e"` [INFO] running `"docker" "rm" "-f" "a575a11fe6cfc481db8ed5fa0265e6ba5620db2f3d30e39457f96e1ee34bef1e"` [INFO] [stdout] a575a11fe6cfc481db8ed5fa0265e6ba5620db2f3d30e39457f96e1ee34bef1e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tomvidm/rust-sudoku-solver:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 124c7b6f5a66e5263ffe865c699fe418f33a2da238104b06b06534e9ea2699ca [INFO] running `"docker" "start" "-a" "124c7b6f5a66e5263ffe865c699fe418f33a2da238104b06b06534e9ea2699ca"` [INFO] [stderr] Compiling sudoku v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `board` [INFO] [stderr] --> src/main.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | let board = su::Board::new(); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_board` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `board` [INFO] [stderr] --> src/su/board.rs:205:13 [INFO] [stderr] | [INFO] [stderr] 205 | let mut board = Board::new_from_array(valid_raw_board); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_board` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `coord` [INFO] [stderr] --> src/su/board.rs:80:21 [INFO] [stderr] | [INFO] [stderr] 80 | let coord = Coord::new(r, c); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_coord` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `old_entry` [INFO] [stderr] --> src/su/board.rs:174:17 [INFO] [stderr] | [INFO] [stderr] 174 | let old_entry = Move::new_from_coord_and_value(coord, old_value); [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_old_entry` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `game` [INFO] [stderr] --> src/su/sugame.rs:49:9 [INFO] [stderr] | [INFO] [stderr] 49 | let game = Game::test_game(); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_game` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `raw_board_struct` [INFO] [stderr] --> src/su/sugame.rs:31:13 [INFO] [stderr] | [INFO] [stderr] 31 | let raw_board_struct = raw_board.clone(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_raw_board_struct` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/su/board.rs:205:9 [INFO] [stderr] | [INFO] [stderr] 205 | let mut board = Board::new_from_array(valid_raw_board); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `data` [INFO] [stderr] --> src/su/sugame.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | data: [[i8; 9]; 9] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `board` [INFO] [stderr] --> src/su/sugame.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | board: Board, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.12s [INFO] running `"docker" "inspect" "124c7b6f5a66e5263ffe865c699fe418f33a2da238104b06b06534e9ea2699ca"` [INFO] running `"docker" "rm" "-f" "124c7b6f5a66e5263ffe865c699fe418f33a2da238104b06b06534e9ea2699ca"` [INFO] [stdout] 124c7b6f5a66e5263ffe865c699fe418f33a2da238104b06b06534e9ea2699ca [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tomvidm/rust-sudoku-solver:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 9fc9ba3effa2246a9362baba9c86220dc4999c21a855c05711ba81805f821041 [INFO] running `"docker" "start" "-a" "9fc9ba3effa2246a9362baba9c86220dc4999c21a855c05711ba81805f821041"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/sudoku-81a3b58872bbc51d [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test su::board::test_valid_board ... ok [INFO] [stdout] test su::sugame::test_this ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- su::sugame::test_this stdout ---- [INFO] [stdout] [[1,0,0,0,0,0,0,0,0],[0,2,0,0,0,0,0,0,0],[0,0,3,0,0,0,0,0,0],[0,0,0,4,0,0,0,0,0],[0,0,0,0,5,0,0,0,0],[0,0,0,0,0,6,0,0,0],[0,0,0,0,0,0,7,0,0],[0,0,0,0,0,0,0,8,0],[0,0,0,0,0,0,0,0,9]] [INFO] [stdout] thread 'su::sugame::test_this' panicked at 'assertion failed: false', src/su/sugame.rs:51:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x56456dfc6dcb - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x56456dfc6dcb - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x56456dfc6dcb - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x56456dfc6dcb - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x56456dfc6dcb - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x56456dfc6a3a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x56456dfc7540 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x56456dfba438 - std::panicking::begin_panic::hb4d7f169631758e9 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x56456df76beb - sudoku::su::sugame::test_this::h3018b535caeb7597 [INFO] [stdout] at src/su/sugame.rs:51 [INFO] [stdout] 9: 0x56456df76b9a - sudoku::su::sugame::test_this::{{closure}}::h8e5c7a392d108eed [INFO] [stdout] at src/su/sugame.rs:48 [INFO] [stdout] 10: 0x56456df73fce - core::ops::function::FnOnce::call_once::h66e23e01674bd245 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 11: 0x56456df81ecf - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 12: 0x56456dfc9aba - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 13: 0x56456df9c4c8 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 14: 0x56456df9c4c8 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 15: 0x56456df9c4c8 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 16: 0x56456df77345 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 17: 0x56456df7b405 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 18: 0x56456df7b405 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 19: 0x56456df7b405 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 20: 0x56456dfc9aba - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 21: 0x56456df7bb02 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 22: 0x56456df7bb02 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 23: 0x56456df7bb02 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 24: 0x56456df7bb02 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 25: 0x56456dfbcb6f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 26: 0x56456dfc9210 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 27: 0x56456dfc9210 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 28: 0x56456dfc9210 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 29: 0x7f32a6b404a4 - start_thread [INFO] [stdout] 30: 0x7f32a666bd0f - __clone [INFO] [stdout] 31: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] su::sugame::test_this [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin sudoku' [INFO] running `"docker" "inspect" "9fc9ba3effa2246a9362baba9c86220dc4999c21a855c05711ba81805f821041"` [INFO] running `"docker" "rm" "-f" "9fc9ba3effa2246a9362baba9c86220dc4999c21a855c05711ba81805f821041"` [INFO] [stdout] 9fc9ba3effa2246a9362baba9c86220dc4999c21a855c05711ba81805f821041