[INFO] crate rs_sudoku 0.1.2 is already in cache
[INFO] extracting crate rs_sudoku 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/rs_sudoku/0.1.2
[INFO] extracting crate rs_sudoku 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rs_sudoku/0.1.2
[INFO] validating manifest of rs_sudoku-0.1.2 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 rs_sudoku-0.1.2 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 rs_sudoku-0.1.2
[INFO] finished frobbing rs_sudoku-0.1.2
[INFO] frobbed toml for rs_sudoku-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rs_sudoku/0.1.2/Cargo.toml
[INFO] started frobbing rs_sudoku-0.1.2
[INFO] finished frobbing rs_sudoku-0.1.2
[INFO] frobbed toml for rs_sudoku-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rs_sudoku/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 rs_sudoku-0.1.2 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rs_sudoku/0.1.2:/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] be697bd4f3746825595c289b689ea9522de2a40efee375fd2cdc20165d21598c
[INFO] running `"docker" "start" "-a" "be697bd4f3746825595c289b689ea9522de2a40efee375fd2cdc20165d21598c"`
[INFO] [stderr]    Compiling rs_sudoku v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/slow_index.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub gp: Box<GenPosition>,
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: use `dyn`: `dyn GenPosition`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/slow_index.rs:89:17
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub gp: Box<GenPosition>,
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: use `dyn`: `dyn GenPosition`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/slow_index.rs:106:43
[INFO] [stderr]     |
[INFO] [stderr] 106 |     pub fn set_gen_position(self, gp: Box<GenPosition>) -> Self {
[INFO] [stderr]     |                                           ^^^^^^^^^^^ help: use `dyn`: `dyn GenPosition`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/bin/pre_compute_index.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | type IterFn = Fn(usize) -> RelatedIndexIterator;
[INFO] [stderr]   |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> RelatedIndexIterator`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "be697bd4f3746825595c289b689ea9522de2a40efee375fd2cdc20165d21598c"`
[INFO] running `"docker" "rm" "-f" "be697bd4f3746825595c289b689ea9522de2a40efee375fd2cdc20165d21598c"`
[INFO] [stdout] be697bd4f3746825595c289b689ea9522de2a40efee375fd2cdc20165d21598c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rs_sudoku/0.1.2:/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] e597003cae5d01265657f2979da18e23fa852b1b016288cb3f974ae4a112d523
[INFO] running `"docker" "start" "-a" "e597003cae5d01265657f2979da18e23fa852b1b016288cb3f974ae4a112d523"`
[INFO] [stderr]    Compiling rs_sudoku v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/bin/pre_compute_index.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | type IterFn = Fn(usize) -> RelatedIndexIterator;
[INFO] [stderr]   |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> RelatedIndexIterator`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/slow_index.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub gp: Box<GenPosition>,
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: use `dyn`: `dyn GenPosition`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/slow_index.rs:89:17
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub gp: Box<GenPosition>,
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: use `dyn`: `dyn GenPosition`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/slow_index.rs:106:43
[INFO] [stderr]     |
[INFO] [stderr] 106 |     pub fn set_gen_position(self, gp: Box<GenPosition>) -> Self {
[INFO] [stderr]     |                                           ^^^^^^^^^^^ help: use `dyn`: `dyn GenPosition`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `"docker" "inspect" "e597003cae5d01265657f2979da18e23fa852b1b016288cb3f974ae4a112d523"`
[INFO] running `"docker" "rm" "-f" "e597003cae5d01265657f2979da18e23fa852b1b016288cb3f974ae4a112d523"`
[INFO] [stdout] e597003cae5d01265657f2979da18e23fa852b1b016288cb3f974ae4a112d523
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rs_sudoku/0.1.2:/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] bb58126eb6594663340507e86bb1c536e0edc6394ac571825eaf1b24c03287eb
[INFO] running `"docker" "start" "-a" "bb58126eb6594663340507e86bb1c536e0edc6394ac571825eaf1b24c03287eb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rs_sudoku-4045c619a7a84daa
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test candidate_set::tests::test_iterator_one ... ok
[INFO] [stdout] test candidate_set::tests::test_multiple ... ok
[INFO] [stdout] test fast_index::tests::test_iter ... ok
[INFO] [stdout] test candidate_set::tests::test_new_zero ... ok
[INFO] [stdout] test candidate_set::tests::test_new_none ... ok
[INFO] [stdout] test parse::tests::error ... ok
[INFO] [stdout] test candidate_set::tests::test_new_numbers ... ok
[INFO] [stdout] test fast_index::tests::test_comb_iter ... ok
[INFO] [stdout] test parse::tests::test_weird ... ok
[INFO] [stdout] test parse::tests::test_parse_good_oneline ... ok
[INFO] [stdout] test parse::tests::test_good_multiline ... ok
[INFO] [stdout] test remove_candidates::tests::test_remove_candidates ... ok
[INFO] [stdout] test slow_index::tests::test_first_col ... ok
[INFO] [stdout] test slow_index::tests::test_first_box ... ok
[INFO] [stdout] test slow_index::tests::test_first_row ... ok
[INFO] [stdout] test slow_index::tests::test_all_col ... ok
[INFO] [stdout] test parse::tests::test_not_solved ... ok
[INFO] [stdout] test slow_index::tests::test_all_box ... ok
[INFO] [stdout] test slow_index::tests::test_col_quad_iter ... ok
[INFO] [stdout] test slow_index::tests::test_box_quad_iter ... ok
[INFO] [stdout] test solve::tests::test_try_solve_easy ... ok
[INFO] [stdout] test slow_index::tests::test_all_row ... ok
[INFO] [stdout] test solve::tests::test_bad_fuzz_a ... ok
[INFO] [stdout] test solve::tests::test_find_naked ... ok
[INFO] [stdout] test solve::tests::test_another_line_box ... ok
[INFO] [stdout] test slow_index::tests::test_row_quad_iter ... ok
[INFO] [stdout] test solve::tests::test_box_line ... ok
[INFO] [stdout] test solve::tests::test_pointing ... ok
[INFO] [stdout] test solve::tests::test_try_solve_lots ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pre_compute_index-09ec58ad1ee33b1f
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/try_solve-5798e72bba6c6d56
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rs_sudoku
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "bb58126eb6594663340507e86bb1c536e0edc6394ac571825eaf1b24c03287eb"`
[INFO] running `"docker" "rm" "-f" "bb58126eb6594663340507e86bb1c536e0edc6394ac571825eaf1b24c03287eb"`
[INFO] [stdout] bb58126eb6594663340507e86bb1c536e0edc6394ac571825eaf1b24c03287eb