[INFO] updating cached repository https://github.com/Aehmlo/ku
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d2cb746ff47d427128f53f593efc555212cf32b5
[INFO] testing Aehmlo/ku against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAehmlo%2Fku" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Aehmlo/ku on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Aehmlo/ku
[INFO] finished tweaking git repo https://github.com/Aehmlo/ku
[INFO] tweaked toml for git repo https://github.com/Aehmlo/ku written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Aehmlo/ku already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b24c1e1297f87df703b84af73c83670ee0ca0535af157209209458bc69c66fc5
[INFO] running `"docker" "start" "-a" "b24c1e1297f87df703b84af73c83670ee0ca0535af157209209458bc69c66fc5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.3
[INFO] [stderr]    Compiling base-x v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling stdweb v0.4.15
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.6
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]    Compiling ku v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/sol.rs:56:14
[INFO] [stderr]    |
[INFO] [stderr] 56 |             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:57:15
[INFO] [stderr]    |
[INFO] [stderr] 57 |             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:58:16
[INFO] [stderr]    |
[INFO] [stderr] 58 |             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:59:16
[INFO] [stderr]    |
[INFO] [stderr] 59 |             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:60:16
[INFO] [stderr]    |
[INFO] [stderr] 60 |             401...550 => Difficult,
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:38:25
[INFO] [stderr]    |
[INFO] [stderr] 38 |     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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.37s
[INFO] running `"docker" "inspect" "b24c1e1297f87df703b84af73c83670ee0ca0535af157209209458bc69c66fc5"`
[INFO] running `"docker" "rm" "-f" "b24c1e1297f87df703b84af73c83670ee0ca0535af157209209458bc69c66fc5"`
[INFO] [stdout] b24c1e1297f87df703b84af73c83670ee0ca0535af157209209458bc69c66fc5
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 198f7b12263670bd1d514720cdbfc4abff73688f8d5e262467ea2cdd656b1787
[INFO] running `"docker" "start" "-a" "198f7b12263670bd1d514720cdbfc4abff73688f8d5e262467ea2cdd656b1787"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling ku v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/sol.rs:56:14
[INFO] [stderr]    |
[INFO] [stderr] 56 |             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:57:15
[INFO] [stderr]    |
[INFO] [stderr] 57 |             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:58:16
[INFO] [stderr]    |
[INFO] [stderr] 58 |             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:59:16
[INFO] [stderr]    |
[INFO] [stderr] 59 |             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:60:16
[INFO] [stderr]    |
[INFO] [stderr] 60 |             401...550 => Difficult,
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:38:25
[INFO] [stderr]    |
[INFO] [stderr] 38 |     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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:38:25
[INFO] [stderr]    |
[INFO] [stderr] 38 |     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:56:14
[INFO] [stderr]    |
[INFO] [stderr] 56 |             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:57:15
[INFO] [stderr]    |
[INFO] [stderr] 57 |             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:58:16
[INFO] [stderr]    |
[INFO] [stderr] 58 |             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:59:16
[INFO] [stderr]    |
[INFO] [stderr] 59 |             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:60:16
[INFO] [stderr]    |
[INFO] [stderr] 60 |             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:697:22
[INFO] [stderr]     |
[INFO] [stderr] 697 |                     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:698:22
[INFO] [stderr]     |
[INFO] [stderr] 698 |                     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:699:22
[INFO] [stderr]     |
[INFO] [stderr] 699 |                     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:703:22
[INFO] [stderr]     |
[INFO] [stderr] 703 |                     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:704:22
[INFO] [stderr]     |
[INFO] [stderr] 704 |                     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:705:22
[INFO] [stderr]     |
[INFO] [stderr] 705 |                     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:715:22
[INFO] [stderr]     |
[INFO] [stderr] 715 |                     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:716:22
[INFO] [stderr]     |
[INFO] [stderr] 716 |                     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:717:22
[INFO] [stderr]     |
[INFO] [stderr] 717 |                     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:718:23
[INFO] [stderr]     |
[INFO] [stderr] 718 |                     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:722:22
[INFO] [stderr]     |
[INFO] [stderr] 722 |                     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:723:22
[INFO] [stderr]     |
[INFO] [stderr] 723 |                     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:724:22
[INFO] [stderr]     |
[INFO] [stderr] 724 |                     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:725:23
[INFO] [stderr]     |
[INFO] [stderr] 725 |                     12...15 => 12,
[INFO] [stderr]     |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]    --> src/sudoku.rs:625:71
[INFO] [stderr]     |
[INFO] [stderr] 625 |         for vec in [vec![], vec![Some(Element(1)), Some(Element(2))]].into_iter() {
[INFO] [stderr]     |                                                                       ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]    --> src/sudoku.rs:635:77
[INFO] [stderr]     |
[INFO] [stderr] 635 |         for vec in [vec![], vec![Some(Element(2)), Some(Element(6)), None]].into_iter() {
[INFO] [stderr]     |                                                                             ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `"docker" "inspect" "198f7b12263670bd1d514720cdbfc4abff73688f8d5e262467ea2cdd656b1787"`
[INFO] running `"docker" "rm" "-f" "198f7b12263670bd1d514720cdbfc4abff73688f8d5e262467ea2cdd656b1787"`
[INFO] [stdout] 198f7b12263670bd1d514720cdbfc4abff73688f8d5e262467ea2cdd656b1787
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] 03cffd69232fca084c7d445a5e1b753705106adf04508436b8059eb9ca90289f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "03cffd69232fca084c7d445a5e1b753705106adf04508436b8059eb9ca90289f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/sol.rs:56:14
[INFO] [stderr]    |
[INFO] [stderr] 56 |             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:57:15
[INFO] [stderr]    |
[INFO] [stderr] 57 |             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:58:16
[INFO] [stderr]    |
[INFO] [stderr] 58 |             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:59:16
[INFO] [stderr]    |
[INFO] [stderr] 59 |             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:60:16
[INFO] [stderr]    |
[INFO] [stderr] 60 |             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:697:22
[INFO] [stderr]     |
[INFO] [stderr] 697 |                     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:698:22
[INFO] [stderr]     |
[INFO] [stderr] 698 |                     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:699:22
[INFO] [stderr]     |
[INFO] [stderr] 699 |                     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:703:22
[INFO] [stderr]     |
[INFO] [stderr] 703 |                     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:704:22
[INFO] [stderr]     |
[INFO] [stderr] 704 |                     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:705:22
[INFO] [stderr]     |
[INFO] [stderr] 705 |                     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:715:22
[INFO] [stderr]     |
[INFO] [stderr] 715 |                     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:716:22
[INFO] [stderr]     |
[INFO] [stderr] 716 |                     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:717:22
[INFO] [stderr]     |
[INFO] [stderr] 717 |                     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:718:23
[INFO] [stderr]     |
[INFO] [stderr] 718 |                     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:722:22
[INFO] [stderr]     |
[INFO] [stderr] 722 |                     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:723:22
[INFO] [stderr]     |
[INFO] [stderr] 723 |                     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:724:22
[INFO] [stderr]     |
[INFO] [stderr] 724 |                     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:725:23
[INFO] [stderr]     |
[INFO] [stderr] 725 |                     12...15 => 12,
[INFO] [stderr]     |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]    --> src/sudoku.rs:625:71
[INFO] [stderr]     |
[INFO] [stderr] 625 |         for vec in [vec![], vec![Some(Element(1)), Some(Element(2))]].into_iter() {
[INFO] [stderr]     |                                                                       ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]    --> src/sudoku.rs:635:77
[INFO] [stderr]     |
[INFO] [stderr] 635 |         for vec in [vec![], vec![Some(Element(2)), Some(Element(6)), None]].into_iter() {
[INFO] [stderr]     |                                                                             ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/sol.rs:56:14
[INFO] [stderr]    |
[INFO] [stderr] 56 |             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:57:15
[INFO] [stderr]    |
[INFO] [stderr] 57 |             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:58:16
[INFO] [stderr]    |
[INFO] [stderr] 58 |             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:59:16
[INFO] [stderr]    |
[INFO] [stderr] 59 |             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:60:16
[INFO] [stderr]    |
[INFO] [stderr] 60 |             401...550 => Difficult,
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:38:25
[INFO] [stderr]    |
[INFO] [stderr] 38 |     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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:38:25
[INFO] [stderr]    |
[INFO] [stderr] 38 |     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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sudoku-49200f9ed3af70f1
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test sol::tests::test_is_uniquely_solvable ... ok
[INFO] [stdout] test sol::tests::test_map_new ... ok
[INFO] [stdout] test sol::tests::test_map_from_sudoku ... ok
[INFO] [stdout] test sol::tests::test_set_freedom ... ok
[INFO] [stdout] test sol::tests::test_set_eliminate ... ok
[INFO] [stdout] test sol::tests::test_calculate_c ... ok
[INFO] [stdout] test sudoku::tests::test_group_is_complete ... ok
[INFO] [stdout] test sol::tests::test_set_new ... ok
[INFO] [stdout] test sudoku::tests::test_group_elements ... ok
[INFO] [stdout] test sudoku::tests::test_group_is_valid ... ok
[INFO] [stdout] test sudoku::tests::test_point_compose ... 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_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_4_2d ... ok
[INFO] [stdout] test sudoku::tests::test_sudoku_groups_length_3_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] test gen::tests::test_grid_hang ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ku-5168270c08b68fb2
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sol-0f9b073c6b313dae
[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] [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_group_is_complete_and_is_valid ... ok
[INFO] [stdout] test test_solve_o3_2d ... 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" "03cffd69232fca084c7d445a5e1b753705106adf04508436b8059eb9ca90289f"`
[INFO] running `"docker" "rm" "-f" "03cffd69232fca084c7d445a5e1b753705106adf04508436b8059eb9ca90289f"`
[INFO] [stdout] 03cffd69232fca084c7d445a5e1b753705106adf04508436b8059eb9ca90289f