[INFO] crate ku 0.1.0 is already in cache
[INFO] extracting crate ku 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/ku/0.1.0
[INFO] extracting crate ku 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ku/0.1.0
[INFO] validating manifest of ku-0.1.0 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 ku-0.1.0 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 ku-0.1.0
[INFO] finished frobbing ku-0.1.0
[INFO] frobbed toml for ku-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ku/0.1.0/Cargo.toml
[INFO] started frobbing ku-0.1.0
[INFO] finished frobbing ku-0.1.0
[INFO] frobbed toml for ku-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ku/0.1.0/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 ku-0.1.0 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ku/0.1.0:/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] 0bc44888c3abd96dabdd2e20493c0a3d079c41270a99bda6d124235bbe5e1ffd
[INFO] running `"docker" "start" "-a" "0bc44888c3abd96dabdd2e20493c0a3d079c41270a99bda6d124235bbe5e1ffd"`
[INFO] [stderr]    Compiling ku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/sol.rs:53:14
[INFO] [stderr]    |
[INFO] [stderr] 53 |             0...49 => Unplayable,
[INFO] [stderr]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/sol.rs:54:15
[INFO] [stderr]    |
[INFO] [stderr] 54 |             50...150 => Beginner,
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/sol.rs:55:16
[INFO] [stderr]    |
[INFO] [stderr] 55 |             151...250 => Easy,
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/sol.rs:56:16
[INFO] [stderr]    |
[INFO] [stderr] 56 |             251...400 => Intermediate,
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/sol.rs:57:16
[INFO] [stderr]    |
[INFO] [stderr] 57 |             401...550 => Difficult,
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:37:25
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let mut reader: Box<Read> = if matches.is_present("INPUT") {
[INFO] [stderr]    |                         ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.16s
[INFO] running `"docker" "inspect" "0bc44888c3abd96dabdd2e20493c0a3d079c41270a99bda6d124235bbe5e1ffd"`
[INFO] running `"docker" "rm" "-f" "0bc44888c3abd96dabdd2e20493c0a3d079c41270a99bda6d124235bbe5e1ffd"`
[INFO] [stdout] 0bc44888c3abd96dabdd2e20493c0a3d079c41270a99bda6d124235bbe5e1ffd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ku/0.1.0:/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] fe7aab94e5594607a23b80f947eb472384a01bc74df87b973a6b74d32db3735a
[INFO] running `"docker" "start" "-a" "fe7aab94e5594607a23b80f947eb472384a01bc74df87b973a6b74d32db3735a"`
[INFO] [stderr]    Compiling ku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:37:25
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let mut reader: Box<Read> = if matches.is_present("INPUT") {
[INFO] [stderr]    |                         ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/sol.rs:53:14
[INFO] [stderr]    |
[INFO] [stderr] 53 |             0...49 => Unplayable,
[INFO] [stderr]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/sol.rs:54:15
[INFO] [stderr]    |
[INFO] [stderr] 54 |             50...150 => Beginner,
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/sol.rs:55:16
[INFO] [stderr]    |
[INFO] [stderr] 55 |             151...250 => Easy,
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/sol.rs:56:16
[INFO] [stderr]    |
[INFO] [stderr] 56 |             251...400 => Intermediate,
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/sol.rs:57:16
[INFO] [stderr]    |
[INFO] [stderr] 57 |             401...550 => Difficult,
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/sudoku.rs:593:22
[INFO] [stderr]     |
[INFO] [stderr] 593 |                     0...2 => 0,
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/sudoku.rs:594:22
[INFO] [stderr]     |
[INFO] [stderr] 594 |                     3...5 => 3,
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/sudoku.rs:595:22
[INFO] [stderr]     |
[INFO] [stderr] 595 |                     6...8 => 6,
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/sudoku.rs:599:22
[INFO] [stderr]     |
[INFO] [stderr] 599 |                     0...2 => 0,
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/sudoku.rs:600:22
[INFO] [stderr]     |
[INFO] [stderr] 600 |                     3...5 => 3,
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/sudoku.rs:601:22
[INFO] [stderr]     |
[INFO] [stderr] 601 |                     6...8 => 6,
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/sudoku.rs:611:22
[INFO] [stderr]     |
[INFO] [stderr] 611 |                     0...3 => 0,
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/sudoku.rs:612:22
[INFO] [stderr]     |
[INFO] [stderr] 612 |                     4...7 => 4,
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/sudoku.rs:613:22
[INFO] [stderr]     |
[INFO] [stderr] 613 |                     8...11 => 8,
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/sudoku.rs:614:23
[INFO] [stderr]     |
[INFO] [stderr] 614 |                     12...15 => 12,
[INFO] [stderr]     |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/sudoku.rs:618:22
[INFO] [stderr]     |
[INFO] [stderr] 618 |                     0...3 => 0,
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/sudoku.rs:619:22
[INFO] [stderr]     |
[INFO] [stderr] 619 |                     4...7 => 4,
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/sudoku.rs:620:22
[INFO] [stderr]     |
[INFO] [stderr] 620 |                     8...11 => 8,
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/sudoku.rs:621:23
[INFO] [stderr]     |
[INFO] [stderr] 621 |                     12...15 => 12,
[INFO] [stderr]     |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `"docker" "inspect" "fe7aab94e5594607a23b80f947eb472384a01bc74df87b973a6b74d32db3735a"`
[INFO] running `"docker" "rm" "-f" "fe7aab94e5594607a23b80f947eb472384a01bc74df87b973a6b74d32db3735a"`
[INFO] [stdout] fe7aab94e5594607a23b80f947eb472384a01bc74df87b973a6b74d32db3735a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ku/0.1.0:/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] 07c374ebe5483de0bf9b42a6e8ad5d18d96b0d3ebddadfdd2d79124f0f7f44f0
[INFO] running `"docker" "start" "-a" "07c374ebe5483de0bf9b42a6e8ad5d18d96b0d3ebddadfdd2d79124f0f7f44f0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudoku-86f7ccac1501f596
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test sol::tests::test_calculate_c ... ok
[INFO] [stdout] test sol::tests::test_is_uniquely_solvable ... ok
[INFO] [stdout] test sol::tests::test_map_from_sudoku ... ok
[INFO] [stdout] test sol::tests::test_set_eliminate ... ok
[INFO] [stdout] test sol::tests::test_set_new ... ok
[INFO] [stdout] test sol::tests::test_map_new ... ok
[INFO] [stdout] test sol::tests::test_set_freedom ... ok
[INFO] [stdout] test sudoku::tests::test_group_elements ... ok
[INFO] [stdout] test sudoku::tests::test_group_is_complete ... ok
[INFO] [stdout] test sudoku::tests::test_group_is_valid ... ok
[INFO] [stdout] test sudoku::tests::test_point_index ... ok
[INFO] [stdout] test sudoku::tests::test_point_index_mut ... ok
[INFO] [stdout] test sudoku::tests::test_point_snap ... ok
[INFO] [stdout] test sudoku::tests::test_point_compose ... ok
[INFO] [stdout] test sudoku::tests::test_sudoku_from_str ... ok
[INFO] [stdout] test sudoku::tests::test_sudoku_from_str_parse_compose ... ok
[INFO] [stdout] test sudoku::tests::test_sudoku_groups_length_3_2d ... ok
[INFO] [stdout] test sudoku::tests::test_sudoku_groups_length_4_2d ... ok
[INFO] [stdout] test sudoku::tests::test_sudoku_order ... ok
[INFO] [stdout] test sudoku::tests::test_sudoku_new ... ok
[INFO] [stdout] test sudoku::tests::test_sudoku_groups_index_x_4 ... ok
[INFO] [stdout] test sudoku::tests::test_sudoku_groups_index_y_3 ... ok
[INFO] [stdout] test sudoku::tests::test_sudoku_groups_index_y_4 ... ok
[INFO] [stdout] test sudoku::tests::test_sudoku_groups_index_x_3 ... ok
[INFO] [stdout] test gen::tests::test_grid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ku-2784e7cdff7a269f
[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/sol-f866f8a965be21c3
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_solve_o4_2d ... ignored
[INFO] [stdout] test test_uniquely_solveable ... ignored
[INFO] [stdout] test test_solve_o3_2d ... ok
[INFO] [stdout] test test_group_is_complete_and_is_valid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests 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" "07c374ebe5483de0bf9b42a6e8ad5d18d96b0d3ebddadfdd2d79124f0f7f44f0"`
[INFO] running `"docker" "rm" "-f" "07c374ebe5483de0bf9b42a6e8ad5d18d96b0d3ebddadfdd2d79124f0f7f44f0"`
[INFO] [stdout] 07c374ebe5483de0bf9b42a6e8ad5d18d96b0d3ebddadfdd2d79124f0f7f44f0