[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-1.37-6/sources/1.36.0/gh/tomvidm/rust-sudoku-solver"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/tomvidm/rust-sudoku-solver'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/tomvidm/rust-sudoku-solver" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tomvidm/rust-sudoku-solver"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of tomvidm/rust-sudoku-solver on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing tomvidm/rust-sudoku-solver against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] b6800ad231dc5e2f542fe4ec2c3850209fec6b832d7e5337331485b3cd13d1e6 [INFO] running `"docker" "start" "-a" "b6800ad231dc5e2f542fe4ec2c3850209fec6b832d7e5337331485b3cd13d1e6"` [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 28.61s [INFO] running `"docker" "inspect" "b6800ad231dc5e2f542fe4ec2c3850209fec6b832d7e5337331485b3cd13d1e6"` [INFO] running `"docker" "rm" "-f" "b6800ad231dc5e2f542fe4ec2c3850209fec6b832d7e5337331485b3cd13d1e6"` [INFO] [stdout] b6800ad231dc5e2f542fe4ec2c3850209fec6b832d7e5337331485b3cd13d1e6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 9615c9b349d37cf008634483dfc8814fb55d4b79fa8a7418a9d0c0651a52a5ff [INFO] running `"docker" "start" "-a" "9615c9b349d37cf008634483dfc8814fb55d4b79fa8a7418a9d0c0651a52a5ff"` [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 1.07s [INFO] running `"docker" "inspect" "9615c9b349d37cf008634483dfc8814fb55d4b79fa8a7418a9d0c0651a52a5ff"` [INFO] running `"docker" "rm" "-f" "9615c9b349d37cf008634483dfc8814fb55d4b79fa8a7418a9d0c0651a52a5ff"` [INFO] [stdout] 9615c9b349d37cf008634483dfc8814fb55d4b79fa8a7418a9d0c0651a52a5ff [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] 224383a599927a1e9073d3aea943267624bed373857300ab6d70fce533a3af5d [INFO] running `"docker" "start" "-a" "224383a599927a1e9073d3aea943267624bed373857300ab6d70fce533a3af5d"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.23s [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/sudoku-a19aa8a064bb5918 [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: 0x55c51a56cdcb - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55c51a56cdcb - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55c51a56cdcb - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55c51a56cdcb - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55c51a56cdcb - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x55c51a56ca3a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x55c51a56d540 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x55c51a560408 - std::panicking::begin_panic::h0c294494bfdad707 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x55c51a51cbeb - sudoku::su::sugame::test_this::h55d870167cd4835c [INFO] [stdout] at src/su/sugame.rs:51 [INFO] [stdout] 9: 0x55c51a51cb9a - sudoku::su::sugame::test_this::{{closure}}::hf1c0d14992c72715 [INFO] [stdout] at src/su/sugame.rs:48 [INFO] [stdout] 10: 0x55c51a519f8e - core::ops::function::FnOnce::call_once::h1929080d51482950 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 11: 0x55c51a527ecf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 12: 0x55c51a56faba - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 13: 0x55c51a5424c8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 14: 0x55c51a5424c8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 15: 0x55c51a5424c8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 16: 0x55c51a51d345 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 17: 0x55c51a5214c5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 18: 0x55c51a5214c5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 19: 0x55c51a5214c5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 20: 0x55c51a56faba - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 21: 0x55c51a521b02 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 22: 0x55c51a521b02 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 23: 0x55c51a521b02 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 24: 0x55c51a521b02 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 25: 0x55c51a562b6f - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 26: 0x55c51a56f210 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 27: 0x55c51a56f210 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 28: 0x55c51a56f210 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 29: 0x7f56e56874a4 - start_thread [INFO] [stdout] 30: 0x7f56e51b2d0f - __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" "224383a599927a1e9073d3aea943267624bed373857300ab6d70fce533a3af5d"` [INFO] running `"docker" "rm" "-f" "224383a599927a1e9073d3aea943267624bed373857300ab6d70fce533a3af5d"` [INFO] [stdout] 224383a599927a1e9073d3aea943267624bed373857300ab6d70fce533a3af5d