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[INFO] crate git repo https://github.com/sinnerschrader/rust-exercism-cubicle already has a lockfile, it will not be regenerated
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[INFO] [stderr]    Compiling cc v1.0.32
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking parallel-letter-frequency v0.0.0 (/opt/rustwide/workdir/exercises/parallel-letter-frequency)
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[INFO] [stderr]     Checking nucleotide-count v1.3.0 (/opt/rustwide/workdir/exercises/nucleotide-count)
[INFO] [stderr]     Checking luhn-from v0.0.0 (/opt/rustwide/workdir/exercises/luhn-from)
[INFO] [stderr]     Checking ocr-numbers v0.0.0 (/opt/rustwide/workdir/exercises/ocr-numbers)
[INFO] [stderr]     Checking luhn-trait v0.0.0 (/opt/rustwide/workdir/exercises/luhn-trait)
[INFO] [stderr]     Checking crypto-square v0.1.0 (/opt/rustwide/workdir/exercises/crypto-square)
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[INFO] [stderr]     Checking simple_linked_list v0.1.0 (/opt/rustwide/workdir/exercises/simple-linked-list)
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[INFO] [stderr]     Checking triangle v0.0.0 (/opt/rustwide/workdir/exercises/triangle)
[INFO] [stderr]     Checking series v0.1.0 (/opt/rustwide/workdir/exercises/series)
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[INFO] [stderr]     Checking forth v1.7.0 (/opt/rustwide/workdir/exercises/forth)
[INFO] [stderr]     Checking react v2.0.0 (/opt/rustwide/workdir/exercises/react)
[INFO] [stderr]     Checking macros v0.1.0 (/opt/rustwide/workdir/exercises/macros)
[INFO] [stderr]     Checking wordy v1.5.0 (/opt/rustwide/workdir/exercises/wordy)
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[INFO] [stderr]     Checking circular-buffer v1.1.0 (/opt/rustwide/workdir/exercises/circular-buffer)
[INFO] [stderr]     Checking clock v2.4.0 (/opt/rustwide/workdir/exercises/clock)
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]   --> exercises/raindrops/src/lib.rs:85:10
[INFO] [stdout]    |
[INFO] [stdout] 85 |         .into_iter()
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 85 |         .iter()
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 84 |     IntoIterator::into_iter([(3, "Pling"), (5, "Plang"), (7, "Plong")])
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^                                          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking allyourbase v1.0.0 (/opt/rustwide/workdir/exercises/all-your-base)
[INFO] [stderr]     Checking robot-simulator v2.2.0 (/opt/rustwide/workdir/exercises/robot-simulator)
[INFO] [stderr]     Checking rna-transcription v1.0.0 (/opt/rustwide/workdir/exercises/rna-transcription)
[INFO] [stderr]     Checking isogram v1.3.0 (/opt/rustwide/workdir/exercises/isogram)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]  --> exercises/beer-song/src/lib.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | ...   n @ 3...99 => format!("{n} bottles of beer on the wall, {n} bottles of beer.\nTake one down and pass it around, {m} bottles of beer...
[INFO] [stdout]   |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rotational-cipher v1.0.0 (/opt/rustwide/workdir/exercises/rotational-cipher)
[INFO] [stderr]     Checking grains v1.2.0 (/opt/rustwide/workdir/exercises/grains)
[INFO] [stderr]     Checking two-bucket v1.4.0 (/opt/rustwide/workdir/exercises/two-bucket)
[INFO] [stderr]     Checking roman-numerals v1.0.0 (/opt/rustwide/workdir/exercises/roman-numerals)
[INFO] [stderr]     Checking armstrong_numbers v1.0.0 (/opt/rustwide/workdir/exercises/armstrong-numbers)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking dominoes v2.1.0 (/opt/rustwide/workdir/exercises/dominoes)
[INFO] [stderr]     Checking space-age v1.1.0 (/opt/rustwide/workdir/exercises/space-age)
[INFO] [stderr]     Checking difference-of-squares v1.2.0 (/opt/rustwide/workdir/exercises/difference-of-squares)
[INFO] [stderr]     Checking sieve v1.1.0 (/opt/rustwide/workdir/exercises/sieve)
[INFO] [stderr]     Checking queen-attack v2.2.0 (/opt/rustwide/workdir/exercises/queen-attack)
[INFO] [stderr]     Checking twofer v1.2.0 (/opt/rustwide/workdir/exercises/two-fer)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking run-length-encoding v1.1.0 (/opt/rustwide/workdir/exercises/run-length-encoding)
[INFO] [stderr]     Checking hexadecimal v0.0.0 (/opt/rustwide/workdir/exercises/hexadecimal)
[INFO] [stderr]     Checking bracket-push v1.5.0 (/opt/rustwide/workdir/exercises/bracket-push)
[INFO] [stderr]     Checking say v1.2.0 (/opt/rustwide/workdir/exercises/say)
[INFO] [stdout] warning: type `BASE_TYPE` should have an upper camel case name
[INFO] [stdout]  --> exercises/rna-transcription/src/lib.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum BASE_TYPE {
[INFO] [stdout]   |      ^^^^^^^^^ help: convert the identifier to upper camel case: `BaseType`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking word-count v1.2.0 (/opt/rustwide/workdir/exercises/word-count)
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]   --> exercises/rna-transcription/src/lib.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |         .into_iter()
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 20 |         .iter()
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 19 |     IntoIterator::into_iter(BASES)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]   --> exercises/rna-transcription/src/lib.rs:43:31
[INFO] [stdout]    |
[INFO] [stdout] 43 |             .map(|base| BASES.into_iter().find(|b| b.0 == base).unwrap().1)
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 43 |             .map(|base| BASES.iter().find(|b| b.0 == base).unwrap().1)
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 43 |             .map(|base| IntoIterator::into_iter(BASES).find(|b| b.0 == base).unwrap().1)
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `baseType` should have a snake case name
[INFO] [stdout]   --> exercises/rna-transcription/src/lib.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn get_bases(baseType: BASE_TYPE) -> Vec<char> {
[INFO] [stdout]    |              ^^^^^^^^ help: convert the identifier to snake case: `base_type`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]   --> exercises/raindrops/src/lib.rs:85:10
[INFO] [stdout]    |
[INFO] [stdout] 85 |         .into_iter()
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 85 |         .iter()
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 84 |     IntoIterator::into_iter([(3, "Pling"), (5, "Plang"), (7, "Plong")])
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^                                          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `BASE_TYPE` should have an upper camel case name
[INFO] [stdout]  --> exercises/rna-transcription/src/lib.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum BASE_TYPE {
[INFO] [stdout]   |      ^^^^^^^^^ help: convert the identifier to upper camel case: `BaseType`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]   --> exercises/rna-transcription/src/lib.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |         .into_iter()
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 20 |         .iter()
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 19 |     IntoIterator::into_iter(BASES)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]   --> exercises/rna-transcription/src/lib.rs:43:31
[INFO] [stdout]    |
[INFO] [stdout] 43 |             .map(|base| BASES.into_iter().find(|b| b.0 == base).unwrap().1)
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 43 |             .map(|base| BASES.iter().find(|b| b.0 == base).unwrap().1)
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 43 |             .map(|base| IntoIterator::into_iter(BASES).find(|b| b.0 == base).unwrap().1)
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `baseType` should have a snake case name
[INFO] [stdout]   --> exercises/rna-transcription/src/lib.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn get_bases(baseType: BASE_TYPE) -> Vec<char> {
[INFO] [stdout]    |              ^^^^^^^^ help: convert the identifier to snake case: `base_type`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking dot-dsl v0.1.0 (/opt/rustwide/workdir/exercises/dot-dsl)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> exercises/bowling/tests/bowling.rs:15:62
[INFO] [stdout]    |
[INFO] [stdout] 15 |     assert_eq!(game.roll(11), Err(Error::NotEnoughPinsLeft));;
[INFO] [stdout]    |                                                              ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> exercises/bowling/tests/bowling.rs:62:56
[INFO] [stdout]    |
[INFO] [stdout] 62 |     assert_eq!(game.roll(0), Err(Error::GameComplete));;
[INFO] [stdout]    |                                                        ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> exercises/bowling/tests/bowling.rs:285:61
[INFO] [stdout]     |
[INFO] [stdout] 285 |     assert_eq!(game.roll(6), Err(Error::NotEnoughPinsLeft));;
[INFO] [stdout]     |                                                             ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> exercises/bowling/tests/bowling.rs:299:62
[INFO] [stdout]     |
[INFO] [stdout] 299 |     assert_eq!(game.roll(11), Err(Error::NotEnoughPinsLeft));;
[INFO] [stdout]     |                                                              ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> exercises/bowling/tests/bowling.rs:314:61
[INFO] [stdout]     |
[INFO] [stdout] 314 |     assert_eq!(game.roll(6), Err(Error::NotEnoughPinsLeft));;
[INFO] [stdout]     |                                                             ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> exercises/bowling/tests/bowling.rs:344:62
[INFO] [stdout]     |
[INFO] [stdout] 344 |     assert_eq!(game.roll(10), Err(Error::NotEnoughPinsLeft));;
[INFO] [stdout]     |                                                              ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> exercises/bowling/tests/bowling.rs:360:62
[INFO] [stdout]     |
[INFO] [stdout] 360 |     assert_eq!(game.roll(11), Err(Error::NotEnoughPinsLeft));;
[INFO] [stdout]     |                                                              ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]  --> exercises/beer-song/src/lib.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | ...   n @ 3...99 => format!("{n} bottles of beer on the wall, {n} bottles of beer.\nTake one down and pass it around, {m} bottles of beer...
[INFO] [stdout]   |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `accumulate::map`
[INFO] [stdout]  --> exercises/accumulate/tests/accumulate.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use accumulate::map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `square`
[INFO] [stdout]  --> exercises/accumulate/tests/accumulate.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn square(x: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]     Checking simple-cipher v0.0.0 (/opt/rustwide/workdir/exercises/simple-cipher)
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking gigasecond v1.1.0 (/opt/rustwide/workdir/exercises/gigasecond)
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking grep v1.2.0 (/opt/rustwide/workdir/exercises/grep)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.41s
[INFO] running `Command { std: "docker" "inspect" "00abf12a509978e297d2dd9be7bffdee2c6257766a5e5e607b6e34bc0642b4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00abf12a509978e297d2dd9be7bffdee2c6257766a5e5e607b6e34bc0642b4e2", kill_on_drop: false }`
[INFO] [stdout] 00abf12a509978e297d2dd9be7bffdee2c6257766a5e5e607b6e34bc0642b4e2