Nov 02 21:25:01.435 INFO checking Hoverbear/rust-rosetta against master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862 for pr-55517
Nov 02 21:25:01.437 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-1/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55517/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 02 21:25:01.716 INFO blam! d0201e3d4228aebe24c3504885fca70321a7218fcca3f5fcd2cd585cbd2f4e27
Nov 02 21:25:01.728 INFO running `"docker" "start" "-a" "d0201e3d4228aebe24c3504885fca70321a7218fcca3f5fcd2cd585cbd2f4e27"`
Nov 02 21:25:02.220 INFO kablam! usermod: no changes
Nov 02 21:25:04.181 INFO kablam!     Checking rand_core v0.2.1
Nov 02 21:25:04.188 INFO kablam!    Compiling regex v1.0.2
Nov 02 21:25:04.188 INFO kablam!     Checking aks-test-for-primes v0.1.0 (/source/tasks/aks-test-for-primes)
Nov 02 21:25:04.188 INFO kablam!     Checking entropy v0.1.0 (/source/tasks/entropy)
Nov 02 21:25:04.204 INFO kablam!     Checking prime-decomposition v0.1.0 (/source/tasks/prime-decomposition)
Nov 02 21:25:04.220 INFO kablam!     Checking run-length-encoding v0.1.0 (/source/tasks/run-length-encoding)
Nov 02 21:25:04.220 INFO kablam!     Checking bitmap v0.1.0 (/source/tasks/bitmap)
Nov 02 21:25:04.220 INFO kablam!     Checking the-twelve-days-of-christmas v0.1.0 (/source/tasks/the-twelve-days-of-christmas)
Nov 02 21:25:05.293 INFO kablam!     Checking mouse-position v0.1.0 (/source/tasks/mouse-position)
Nov 02 21:25:06.308 INFO kablam!     Checking hello-world-text v0.1.0 (/source/tasks/hello-world/text)
Nov 02 21:25:06.772 INFO kablam!     Checking ordered-words v0.1.0 (/source/tasks/ordered-words)
Nov 02 21:25:07.012 INFO kablam!     Checking determine-if-only-one-instance-is-running v0.1.0 (/source/tasks/determine-if-only-one-instance-is-running)
Nov 02 21:25:07.012 INFO kablam!     Checking input-loop v0.1.0 (/source/tasks/input-loop)
Nov 02 21:25:07.020 INFO kablam!     Checking address-of-a-variable v0.1.0 (/source/tasks/address-of-a-variable)
Nov 02 21:25:09.227 INFO kablam!     Checking ethiopian-multiplication v0.1.0 (/source/tasks/ethiopian-multiplication)
Nov 02 21:25:09.230 INFO kablam!     Checking short-circuit-evaluation v0.1.0 (/source/tasks/short-circuit-evaluation)
Nov 02 21:25:09.277 INFO kablam!     Checking mode v0.1.0 (/source/tasks/averages/mode)
Nov 02 21:25:09.369 INFO kablam!     Checking do-while v0.1.0 (/source/tasks/loops/do-while)
Nov 02 21:25:09.887 INFO kablam!     Checking empty-directory v0.1.0 (/source/tasks/empty-directory)
Nov 02 21:25:10.164 INFO kablam!     Checking graphical v0.1.0 (/source/tasks/hello-world/graphical)
Nov 02 21:25:10.945 INFO kablam!     Checking abundant-deficient-and-perfect-number-classifications v0.1.0 (/source/tasks/abundant-deficient-and-perfect-number-classifications)
Nov 02 21:25:10.980 INFO kablam!     Checking pangram-checker v0.1.0 (/source/tasks/pangram-checker)
Nov 02 21:25:11.920 INFO kablam!     Checking factors-of-an-integer v0.1.0 (/source/tasks/factors-of-an-integer)
Nov 02 21:25:12.576 INFO kablam!     Checking string-case v0.1.0 (/source/tasks/string-case)
Nov 02 21:25:12.660 INFO kablam!     Checking for v0.1.0 (/source/tasks/loops/for)
Nov 02 21:25:12.683 INFO kablam!     Checking higher-order-functions v0.1.0 (/source/tasks/higher-order-functions)
Nov 02 21:25:12.832 INFO kablam!     Checking associative-array-creation v0.1.0 (/source/tasks/associative-array/creation)
Nov 02 21:25:13.225 INFO kablam!     Checking palindrome-detection v0.1.0 (/source/tasks/palindrome-detection)
Nov 02 21:25:13.400 INFO kablam!     Checking doubly-linked-list-element-insertion v0.1.0 (/source/tasks/doubly-linked-list/element-insertion)
Nov 02 21:25:14.552 INFO kablam!     Checking bitwise-operations v0.1.0 (/source/tasks/bitwise-operations)
Nov 02 21:25:14.609 INFO kablam!     Checking binary-search v0.1.0 (/source/tasks/binary-search)
Nov 02 21:25:14.816 INFO kablam!     Checking encode v0.1.0 (/source/tasks/roman-numerals/encode)
Nov 02 21:25:14.824 INFO kablam!     Checking remove-duplicate-elements v0.1.0 (/source/tasks/remove-duplicate-elements)
Nov 02 21:25:15.136 INFO kablam!     Checking implementation v0.1.0 (/source/tasks/md5/implementation)
Nov 02 21:25:15.160 INFO kablam!     Checking n-queens-problem v0.1.0 (/source/tasks/n-queens-problem)
Nov 02 21:25:15.193 INFO kablam!     Checking echo-server v0.1.0 (/source/tasks/echo-server)
Nov 02 21:25:15.849 INFO kablam!     Checking infinity v0.1.0 (/source/tasks/infinity)
Nov 02 21:25:16.480 INFO kablam!     Checking middle-three-digits v0.1.0 (/source/tasks/middle-three-digits)
Nov 02 21:25:17.150 INFO kablam!     Checking enforced-immutability v0.1.0 (/source/tasks/enforced-immutability)
Nov 02 21:25:17.441 INFO kablam!     Checking combinations v0.1.0 (/source/tasks/combinations)
Nov 02 21:25:17.449 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 02 21:25:17.449 INFO kablam!  --> tasks/md5/implementation/src/main.rs:6:12
Nov 02 21:25:17.449 INFO kablam!   |
Nov 02 21:25:17.449 INFO kablam! 6 | #![feature(iterator_step_by)]
Nov 02 21:25:17.449 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Nov 02 21:25:17.449 INFO kablam!   |
Nov 02 21:25:17.449 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 02 21:25:17.449 INFO kablam! 
Nov 02 21:25:17.476 INFO kablam!     Checking write-entire-file v0.1.0 (/source/tasks/write-entire-file)
Nov 02 21:25:17.557 INFO kablam!     Checking empty-program v0.1.0 (/source/tasks/empty-program)
Nov 02 21:25:18.129 INFO kablam!     Checking apply-a-callback-to-an-array v0.1.0 (/source/tasks/apply-a-callback-to-an-array)
Nov 02 21:25:18.148 INFO kablam!     Checking maximum-triangle-path-sum v0.1.0 (/source/tasks/maximum-triangle-path-sum)
Nov 02 21:25:18.352 INFO kablam!     Checking amicable-pairs v0.1.0 (/source/tasks/amicable-pairs)
Nov 02 21:25:19.268 INFO kablam!     Checking flatten-a-list v0.1.0 (/source/tasks/flatten-a-list)
Nov 02 21:25:19.805 INFO kablam!     Checking almost-prime v0.1.0 (/source/tasks/almost-prime)
Nov 02 21:25:19.961 INFO kablam!     Checking zero-to-the-zero-power v0.1.0 (/source/tasks/zero-to-the-zero-power)
Nov 02 21:25:20.036 INFO kablam!     Checking file-size v0.1.0 (/source/tasks/file-size)
Nov 02 21:25:20.037 INFO kablam!     Checking perfect-numbers v0.1.0 (/source/tasks/perfect-numbers)
Nov 02 21:25:20.325 INFO kablam!     Checking hash-from-two-arrays v0.1.0 (/source/tasks/hash-from-two-arrays)
Nov 02 21:25:21.018 INFO kablam!     Checking aliquot-sequence-classifications v0.1.0 (/source/tasks/aliquot-sequence-classifications)
Nov 02 21:25:21.443 INFO kablam!     Checking population-count v0.1.0 (/source/tasks/population-count)
Nov 02 21:25:21.885 INFO kablam!     Checking filter v0.1.0 (/source/tasks/filter)
Nov 02 21:25:21.999 INFO kablam!     Checking ls v0.1.0 (/source/tasks/unix/ls)
Nov 02 21:25:23.318 INFO kablam!     Checking comma-quibbling v0.1.0 (/source/tasks/comma-quibbling)
Nov 02 21:25:23.537 INFO kablam!     Checking primality-by-trial-division v0.1.0 (/source/tasks/primality-by-trial-division)
Nov 02 21:25:24.573 INFO kablam!     Checking sort-an-integer-array v0.1.0 (/source/tasks/sort-an-integer-array)
Nov 02 21:25:24.676 INFO kablam!     Checking read-config-file v0.1.0 (/source/tasks/read-a-configuration-file)
Nov 02 21:25:25.349 INFO kablam!     Checking hofstadter-q-sequence v0.1.0 (/source/tasks/hofstadter-q-sequence)
Nov 02 21:25:25.536 INFO kablam!     Checking character-codes v0.1.0 (/source/tasks/character-codes)
Nov 02 21:25:25.653 INFO kablam!     Checking accumulator-factory v0.1.0 (/source/tasks/accumulator-factory)
Nov 02 21:25:26.960 INFO kablam!     Checking modular-inverse v0.1.0 (/source/tasks/modular-inverse)
Nov 02 21:25:27.100 INFO kablam!     Checking y-combinator v0.1.0 (/source/tasks/y-combinator)
Nov 02 21:25:27.232 INFO kablam!     Checking md4 v0.1.0 (/source/tasks/md4)
Nov 02 21:25:27.668 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 02 21:25:27.668 INFO kablam!  --> tasks/primality-by-trial-division/src/main.rs:1:12
Nov 02 21:25:27.668 INFO kablam!   |
Nov 02 21:25:27.668 INFO kablam! 1 | #![feature(iterator_step_by)]
Nov 02 21:25:27.668 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Nov 02 21:25:27.668 INFO kablam!   |
Nov 02 21:25:27.669 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 02 21:25:27.669 INFO kablam! 
Nov 02 21:25:27.797 INFO kablam!     Checking taxicab-numbers v0.1.0 (/source/tasks/taxicab-numbers)
Nov 02 21:25:28.813 INFO kablam!     Checking proper-divisors v0.1.0 (/source/tasks/proper-divisors)
Nov 02 21:25:29.000 INFO kablam!     Checking i-before-e-except-after-c v0.1.0 (/source/tasks/i-before-e-except-after-c)
Nov 02 21:25:29.418 INFO kablam!     Checking towers-of-hanoi v0.1.0 (/source/tasks/towers-of-hanoi)
Nov 02 21:25:29.448 INFO kablam!     Checking integer-comparison v0.1.0 (/source/tasks/integer-comparison)
Nov 02 21:25:30.480 INFO kablam!     Checking find-limit-of-recursion v0.1.0 (/source/tasks/find-limit-of-recursion)
Nov 02 21:25:30.776 INFO kablam!     Checking newline-omission v0.1.0 (/source/tasks/hello-world/newline-omission)
Nov 02 21:25:30.808 INFO kablam!     Checking return-multiple-values v0.1.0 (/source/tasks/return-multiple-values)
Nov 02 21:25:30.996 INFO kablam!     Checking foreach v0.1.0 (/source/tasks/loops/foreach)
Nov 02 21:25:31.536 INFO kablam!     Checking levenshtein-distance v0.1.0 (/source/tasks/levenshtein-distance)
Nov 02 21:25:32.698 INFO kablam!     Checking sum-multiples-of-3-and-5 v0.1.0 (/source/tasks/sum-multiples-of-3-and-5)
Nov 02 21:25:33.652 INFO kablam!     Checking newbie v0.1.0 (/source/tasks/hello-world/newbie)
Nov 02 21:25:33.834 INFO kablam!     Checking tokenize-a-string v0.1.0 (/source/tasks/tokenize-a-string)
Nov 02 21:25:33.972 INFO kablam!     Checking sum-of-squares v0.1.0 (/source/tasks/sum-of-squares)
Nov 02 21:25:34.296 INFO kablam!     Checking here-document v0.1.0 (/source/tasks/here-document)
Nov 02 21:25:34.343 INFO kablam!     Checking construct-from-rational-number v0.1.0 (/source/tasks/continued-fraction/arithmetic/construct-from-rational-number)
Nov 02 21:25:34.343 INFO kablam!     Checking currying v0.1.0 (/source/tasks/currying)
Nov 02 21:25:35.328 INFO kablam!     Checking count-in-octal v0.1.0 (/source/tasks/count-in-octal)
Nov 02 21:25:35.689 INFO kablam!     Checking happy-numbers v0.1.0 (/source/tasks/happy-numbers)
Nov 02 21:25:35.728 INFO kablam!     Checking arrays v0.1.0 (/source/tasks/arrays)
Nov 02 21:25:36.272 INFO kablam!     Checking conways-game-of-life v0.1.0 (/source/tasks/conways-game-of-life)
Nov 02 21:25:36.352 INFO kablam!     Checking loop-over-multiple-arrays-simultaneously v0.1.0 (/source/tasks/loop-over-multiple-arrays-simultaneously)
Nov 02 21:25:36.908 INFO kablam!     Checking sort-disjoint-sublist v0.1.0 (/source/tasks/sort-disjoint-sublist)
Nov 02 21:25:37.204 INFO kablam!     Checking repeat-a-string v0.1.0 (/source/tasks/repeat-a-string)
Nov 02 21:25:37.556 INFO kablam!     Checking digital-root v0.1.0 (/source/tasks/digital-root)
Nov 02 21:25:37.824 INFO kablam!     Checking sort-an-array-of-composite-structures v0.1.0 (/source/tasks/sort-an-array-of-composite-structures)
Nov 02 21:25:38.132 INFO kablam!     Checking increment-a-numerical-string v0.1.0 (/source/tasks/increment-a-numerical-string)
Nov 02 21:25:38.491 INFO kablam!     Checking metaprogramming v0.1.0 (/source/tasks/metaprogramming)
Nov 02 21:25:39.636 INFO kablam!     Checking sum-digits-of-an-integer v0.1.0 (/source/tasks/sum-digits-of-an-integer)
Nov 02 21:25:40.364 INFO kablam!     Checking jaro-distance v0.1.0 (/source/tasks/jaro-distance)
Nov 02 21:25:42.532 INFO kablam!     Checking element-definition v0.1.0 (/source/tasks/singly-linked-list/element-definition)
Nov 02 21:25:42.640 INFO kablam!     Checking sudoku v0.1.0 (/source/tasks/sudoku)
Nov 02 21:25:42.712 INFO kablam!     Checking string-concatenation v0.1.0 (/source/tasks/string-concatenation)
Nov 02 21:25:42.756 INFO kablam!     Checking sort-using-a-custom-comparator v0.1.0 (/source/tasks/sort-using-a-custom-comparator)
Nov 02 21:25:43.008 INFO kablam!     Checking compound-data-type v0.1.0 (/source/tasks/compound-data-type)
Nov 02 21:25:44.120 INFO kablam!     Checking fork v0.1.0 (/source/tasks/fork)
Nov 02 21:25:44.514 INFO kablam!     Checking real-constants-and-functions v0.1.0 (/source/tasks/real-constants-and-functions)
Nov 02 21:25:44.623 INFO kablam!     Checking apply-a-digital-filter v0.1.0 (/source/tasks/apply-a-digital-filter)
Nov 02 21:25:45.027 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 02 21:25:45.027 INFO kablam!  --> tasks/md5/implementation/src/main.rs:6:12
Nov 02 21:25:45.027 INFO kablam!   |
Nov 02 21:25:45.027 INFO kablam! 6 | #![feature(iterator_step_by)]
Nov 02 21:25:45.027 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Nov 02 21:25:45.027 INFO kablam!   |
Nov 02 21:25:45.027 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 02 21:25:45.027 INFO kablam! 
Nov 02 21:25:45.096 INFO kablam!     Checking letter-frequency v0.1.0 (/source/tasks/letter-frequency)
Nov 02 21:25:45.461 INFO kablam!     Checking lzw-compression v0.1.0 (/source/tasks/lzw-compression)
Nov 02 21:25:45.601 INFO kablam!     Checking even-or-odd v0.1.0 (/source/tasks/even-or-odd)
Nov 02 21:25:46.789 INFO kablam!     Checking zig-zag-matrix v0.1.0 (/source/tasks/zig-zag-matrix)
Nov 02 21:25:46.813 INFO kablam!     Checking gray-code v0.1.0 (/source/tasks/gray-code)
Nov 02 21:25:46.984 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 02 21:25:46.984 INFO kablam!  --> tasks/sudoku/src/main.rs:1:12
Nov 02 21:25:46.984 INFO kablam!   |
Nov 02 21:25:46.984 INFO kablam! 1 | #![feature(iterator_step_by)]
Nov 02 21:25:46.984 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Nov 02 21:25:46.984 INFO kablam!   |
Nov 02 21:25:46.984 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 02 21:25:46.984 INFO kablam! 
Nov 02 21:25:47.040 INFO kablam!     Checking hough-transform v0.1.0 (/source/tasks/hough-transform)
Nov 02 21:25:47.120 INFO kablam!     Checking window-creation v0.1.0 (/source/tasks/window-creation)
Nov 02 21:25:47.272 INFO kablam!     Checking arithmetic-geometric-mean v0.1.0 (/source/tasks/arithmetic-geometric-mean)
Nov 02 21:25:47.490 INFO kablam!     Checking execute-a-markov-algorithm v0.1.0 (/source/tasks/execute-a-markov-algorithm)
Nov 02 21:25:47.603 INFO kablam!     Checking sum-and-product-of-an-array v0.1.0 (/source/tasks/sum-and-product-of-an-array)
Nov 02 21:25:47.988 INFO kablam!     Checking anonymous-recursion v0.1.0 (/source/tasks/anonymous-recursion)
Nov 02 21:25:49.748 INFO kablam!     Checking combinations-with-repetitions v0.1.0 (/source/tasks/combinations-with-repetitions)
Nov 02 21:25:49.791 INFO kablam!     Checking hash-join v0.1.0 (/source/tasks/hash-join)
Nov 02 21:25:50.000 INFO kablam!     Checking mean-angle v0.1.0 (/source/tasks/averages/mean-angle)
Nov 02 21:25:50.016 INFO kablam!     Checking radix-sort v0.1.0 (/source/tasks/sorting-algorithms/radix-sort)
Nov 02 21:25:50.677 INFO kablam!     Checking text v0.1.0 (/source/tasks/user-input/text)
Nov 02 21:25:50.729 INFO kablam!     Checking downward-for v0.1.0 (/source/tasks/loops/downward-for)
Nov 02 21:25:51.589 INFO kablam!     Checking animation v0.1.0 (/source/tasks/animation)
Nov 02 21:25:52.091 INFO kablam!     Checking set v0.1.0 (/source/tasks/set)
Nov 02 21:25:52.163 INFO kablam!     Checking determine-if-a-string-is-numeric v0.1.0 (/source/tasks/determine-if-a-string-is-numeric)
Nov 02 21:25:52.676 INFO kablam!     Checking string-matching v0.1.0 (/source/tasks/string-matching)
Nov 02 21:25:52.964 INFO kablam!     Checking bubble-sort v0.1.0 (/source/tasks/sorting-algorithms/bubble-sort)
Nov 02 21:25:52.976 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 02 21:25:52.976 INFO kablam!  --> tasks/primality-by-trial-division/src/main.rs:1:12
Nov 02 21:25:52.976 INFO kablam!   |
Nov 02 21:25:52.976 INFO kablam! 1 | #![feature(iterator_step_by)]
Nov 02 21:25:52.976 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Nov 02 21:25:52.976 INFO kablam!   |
Nov 02 21:25:52.976 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 02 21:25:52.976 INFO kablam! 
Nov 02 21:25:53.164 INFO kablam!     Checking define-a-primitive-data-type v0.1.0 (/source/tasks/define-a-primitive-data-type)
Nov 02 21:25:54.551 INFO kablam!     Checking read-entire-file v0.1.0 (/source/tasks/read-entire-file)
Nov 02 21:25:54.551 INFO kablam!     Checking continue v0.1.0 (/source/tasks/loops/continue)
Nov 02 21:25:55.056 INFO kablam!     Checking self-describing_numbers v0.1.0 (/source/tasks/self-describing-numbers)
Nov 02 21:25:55.397 INFO kablam!     Checking create-a-file v0.1.0 (/source/tasks/create-a-file)
Nov 02 21:25:55.832 INFO kablam!     Checking vigenere-cipher v0.1.0 (/source/tasks/vigenere-cipher)
Nov 02 21:25:56.080 INFO kablam!     Checking wireworld v0.1.0 (/source/tasks/wireworld)
Nov 02 21:25:56.309 INFO kablam!     Checking crc-32 v0.1.0 (/source/tasks/crc-32)
Nov 02 21:25:56.529 INFO kablam!     Checking 99-bottles-of-beer v0.1.0 (/source/tasks/99-bottles-of-beer)
Nov 02 21:25:56.597 INFO kablam!     Checking median v0.1.0 (/source/tasks/averages/median)
Nov 02 21:25:56.645 INFO kablam!     Checking dining-philosophers v0.1.0 (/source/tasks/dining-philosophers)
Nov 02 21:25:56.792 INFO kablam!     Checking ulam-spiral-for-primes v0.1.0 (/source/tasks/ulam-spiral-for-primes)
Nov 02 21:25:57.172 INFO kablam!     Checking greatest-element-of-a-list v0.1.0 (/source/tasks/greatest-element-of-a-list)
Nov 02 21:25:57.405 INFO kablam!     Checking execute-hq9-plus v0.1.0 (/source/tasks/execute-hq9-plus)
Nov 02 21:25:57.614 INFO kablam!     Checking definition v0.1.0 (/source/tasks/queue/definition)
Nov 02 21:25:57.872 INFO kablam!     Checking merge-sort v0.1.0 (/source/tasks/sorting-algorithms/merge-sort)
Nov 02 21:25:58.013 INFO kablam!     Checking with-feedback-player v0.1.0 (/source/tasks/guess-the-number/with-feedback-player)
Nov 02 21:25:58.414 INFO kablam!     Checking web-server v0.1.0 (/source/tasks/hello-world/web-server)
Nov 02 21:25:58.573 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 02 21:25:58.573 INFO kablam!  --> tasks/ulam-spiral-for-primes/src/main.rs:1:12
Nov 02 21:25:58.573 INFO kablam!   |
Nov 02 21:25:58.574 INFO kablam! 1 | #![feature(iterator_step_by)]
Nov 02 21:25:58.574 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Nov 02 21:25:58.574 INFO kablam!   |
Nov 02 21:25:58.575 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 02 21:25:58.575 INFO kablam! 
Nov 02 21:25:58.668 INFO kablam!     Checking delete-a-file v0.1.0 (/source/tasks/delete-a-file)
Nov 02 21:25:58.685 INFO kablam!     Checking jensens-device v0.1.0 (/source/tasks/jensens-device)
Nov 02 21:25:58.920 INFO kablam!     Checking map-range v0.1.0 (/source/tasks/map-range)
Nov 02 21:25:59.376 INFO kablam!     Checking check-that-file-exists v0.1.0 (/source/tasks/check-that-file-exists)
Nov 02 21:25:59.413 INFO kablam!     Checking case-sensitivity-of-identifiers v0.1.0 (/source/tasks/case-sensitivity-of-identifiers)
Nov 02 21:26:00.064 INFO kablam!     Checking langtons-ant v0.1.0 (/source/tasks/langtons-ant)
Nov 02 21:26:00.336 INFO kablam!     Checking globally-replace-text-in-several-files v0.1.0 (/source/tasks/globally-replace-text-in-several-files)
Nov 02 21:26:00.388 INFO kablam!     Checking environment-variables v0.1.0 (/source/tasks/environment-variables)
Nov 02 21:26:00.656 INFO kablam!     Checking integer v0.1.0 (/source/tasks/arithmetic/integer)
Nov 02 21:26:01.156 INFO kablam!     Checking strip-comments-from-a-string v0.1.0 (/source/tasks/strip-comments-from-a-string)
Nov 02 21:26:01.172 INFO kablam!     Checking string-interpolation-included v0.1.0 (/source/tasks/string-interpolation-included)
Nov 02 21:26:01.572 INFO kablam!     Checking execute-a-system-command v0.1.0 (/source/tasks/execute-a-system-command)
Nov 02 21:26:02.605 INFO kablam!     Checking sum-of-a-series v0.1.0 (/source/tasks/sum-of-a-series)
Nov 02 21:26:02.960 INFO kablam!     Checking circles-of-given-radius-through-two-points v0.1.0 (/source/tasks/circles-of-given-radius-through-two-points)
Nov 02 21:26:02.997 INFO kablam!     Checking 0-1 v0.1.0 (/source/tasks/knapsack-problem/0-1)
Nov 02 21:26:03.268 INFO kablam!     Checking for-with-a-specified-step v0.1.0 (/source/tasks/loops/for-with-a-specified-step)
Nov 02 21:26:03.608 INFO kablam!     Checking read-a-file-line-by-line v0.1.0 (/source/tasks/read-a-file-line-by-line)
Nov 02 21:26:03.649 INFO kablam!     Checking while v0.1.0 (/source/tasks/loops/while)
Nov 02 21:26:03.866 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 02 21:26:03.866 INFO kablam!  --> tasks/sudoku/src/main.rs:1:12
Nov 02 21:26:03.866 INFO kablam!   |
Nov 02 21:26:03.866 INFO kablam! 1 | #![feature(iterator_step_by)]
Nov 02 21:26:03.866 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Nov 02 21:26:03.866 INFO kablam!   |
Nov 02 21:26:03.866 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 02 21:26:03.866 INFO kablam! 
Nov 02 21:26:03.924 INFO kablam!     Checking traversal v0.1.0 (/source/tasks/singly-linked-list/traversal)
Nov 02 21:26:04.020 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 02 21:26:04.027 INFO kablam!  --> tasks/loops/for-with-a-specified-step/src/main.rs:1:12
Nov 02 21:26:04.027 INFO kablam!   |
Nov 02 21:26:04.027 INFO kablam! 1 | #![feature(iterator_step_by)]
Nov 02 21:26:04.027 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Nov 02 21:26:04.028 INFO kablam!   |
Nov 02 21:26:04.028 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 02 21:26:04.028 INFO kablam! 
Nov 02 21:26:04.050 INFO kablam!     Checking doubly-linked-list-element-definition v0.1.0 (/source/tasks/doubly-linked-list/element-definition)
Nov 02 21:26:04.217 INFO kablam!     Checking fasta-format v0.1.0 (/source/tasks/fasta-format)
Nov 02 21:26:04.356 INFO kablam!     Checking quine v0.1.0 (/source/tasks/quine)
Nov 02 21:26:04.708 INFO kablam!     Checking value-capture v0.1.0 (/source/tasks/closures/value-capture)
Nov 02 21:26:04.820 INFO kablam!     Checking array-length v0.1.0 (/source/tasks/array-length)
Nov 02 21:26:04.875 INFO kablam!     Checking chinese-remainder-theorem v0.1.0 (/source/tasks/chinese-remainder-theorem)
Nov 02 21:26:05.177 INFO kablam!     Checking ackermann-function v0.1.0 (/source/tasks/ackermann-function)
Nov 02 21:26:05.177 INFO kablam!     Checking tree-traversal v0.1.0 (/source/tasks/tree-traversal)
Nov 02 21:26:05.372 INFO kablam!     Checking line-printer v0.1.0 (/source/tasks/hello-world/line-printer)
Nov 02 21:26:06.076 INFO kablam!     Checking counting-sort v0.1.0 (/source/tasks/sorting-algorithms/counting-sort)
Nov 02 21:26:06.352 INFO kablam!     Checking csv-data-manipulation v0.1.0 (/source/tasks/csv-data-manipulation)
Nov 02 21:26:06.596 INFO kablam!     Checking catalan-numbers v0.1.0 (/source/tasks/catalan-numbers)
Nov 02 21:26:06.858 INFO kablam!     Checking vector-products v0.1.0 (/source/tasks/vector-products)
Nov 02 21:26:07.932 INFO kablam!     Checking magic-squares-of-odd-order v0.1.0 (/source/tasks/magic-squares-of-odd-order)
Nov 02 21:26:08.220 INFO kablam!     Checking permutations-with-repetitions v0.1.0 (/source/tasks/permutations-with-repetitions)
Nov 02 21:26:09.666 INFO kablam!     Checking obtain-a-y-or-n-response v0.1.0 (/source/tasks/keyboard-input/obtain-a-y-or-n-response)
Nov 02 21:26:10.474 INFO kablam!     Checking sha-1 v0.1.0 (/source/tasks/sha-1)
Nov 02 21:26:10.686 INFO kablam!     Checking jortsort v0.1.0 (/source/tasks/jortsort)
Nov 02 21:26:10.810 INFO kablam!     Checking menu v0.1.0 (/source/tasks/menu)
Nov 02 21:26:11.758 INFO kablam!     Checking benfords-law v0.1.0 (/source/tasks/benfords-law)
Nov 02 21:26:12.153 INFO kablam!     Checking generic-swap v0.1.0 (/source/tasks/generic-swap)
Nov 02 21:26:13.817 INFO kablam!     Checking call-an-object-method v0.1.0 (/source/tasks/call-an-object-method)
Nov 02 21:26:14.612 INFO kablam!     Checking leap-year v0.1.0 (/source/tasks/leap-year)
Nov 02 21:26:14.632 INFO kablam!     Checking generate-chess960-starting-position v0.1.0 (/source/tasks/generate-chess960-starting-position)
Nov 02 21:26:15.745 INFO kablam!     Checking host-introspection v0.1.0 (/source/tasks/host-introspection)
Nov 02 21:26:16.566 INFO kablam!     Checking metered-concurrency v0.1.0 (/source/tasks/metered-concurrency)
Nov 02 21:26:17.266 INFO kablam!     Checking arena-storage-pool v0.1.0 (/source/tasks/arena-storage-pool)
Nov 02 21:26:17.298 INFO kablam!     Checking iterated-digits-squaring v0.1.0 (/source/tasks/iterated-digits-squaring)
Nov 02 21:26:17.796 INFO kablam!     Checking n-plus-one-half v0.1.0 (/source/tasks/loops/n-plus-one-half)
Nov 02 21:26:18.240 INFO kablam!     Checking abstract-type v0.1.0 (/source/tasks/abstract-type)
Nov 02 21:26:19.922 INFO kablam!     Checking null-object v0.1.0 (/source/tasks/null-object)
Nov 02 21:26:19.968 INFO kablam!     Checking continued-fraction v0.1.0 (/source/tasks/continued-fraction)
Nov 02 21:26:20.880 INFO kablam!     Checking stooge-sort v0.1.0 (/source/tasks/sorting-algorithms/stooge-sort)
Nov 02 21:26:20.891 INFO kablam!     Checking word-wrap v0.1.0 (/source/tasks/word-wrap)
Nov 02 21:26:20.969 INFO kablam!     Checking moving-average v0.1.0 (/source/tasks/averages/simple-moving-average)
Nov 02 21:26:21.529 INFO kablam!     Checking power-set v0.1.0 (/source/tasks/power-set)
Nov 02 21:26:21.944 INFO kablam!     Checking read-a-specific-line-from-a-file v0.1.0 (/source/tasks/read-a-specific-line-from-a-file)
Nov 02 21:26:22.550 INFO kablam!     Checking pythagorean-triples v0.1.0 (/source/tasks/pythagorean-triples)
Nov 02 21:26:24.897 INFO kablam!     Checking nth v0.1.0 (/source/tasks/nth)
Nov 02 21:26:25.894 INFO kablam!     Checking ludic-numbers v0.1.0 (/source/tasks/ludic-numbers)
Nov 02 21:26:25.988 INFO kablam! error[E0599]: no function or associated item named `new` found for type `arena::TypedArena<_>` in the current scope
Nov 02 21:26:25.988 INFO kablam!   --> tasks/arena-storage-pool/src/main.rs:12:17
Nov 02 21:26:25.988 INFO kablam!    |
Nov 02 21:26:25.988 INFO kablam! 12 |     let arena = TypedArena::new();
Nov 02 21:26:25.988 INFO kablam!    |                 ^^^^^^^^^^^^^^^ function or associated item not found in `arena::TypedArena<_>`
Nov 02 21:26:25.988 INFO kablam! 
Nov 02 21:26:26.020 INFO kablam! error: aborting due to previous error
Nov 02 21:26:26.020 INFO kablam! 
Nov 02 21:26:26.020 INFO kablam! For more information about this error, try `rustc --explain E0599`.
Nov 02 21:26:26.092 INFO kablam! error: Could not compile `arena-storage-pool`.
Nov 02 21:26:26.092 INFO kablam! warning: build failed, waiting for other jobs to finish...
Nov 02 21:26:27.096 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 02 21:26:27.096 INFO kablam!  --> tasks/ludic-numbers/src/main.rs:1:12
Nov 02 21:26:27.096 INFO kablam!   |
Nov 02 21:26:27.096 INFO kablam! 1 | #![feature(iterator_step_by)] // for `step_by`
Nov 02 21:26:27.096 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Nov 02 21:26:27.096 INFO kablam!   |
Nov 02 21:26:27.096 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 02 21:26:27.096 INFO kablam! 
Nov 02 21:26:27.168 INFO kablam! error: build failed
Nov 02 21:26:27.168 INFO kablam! su: No module specific data is present
Nov 02 21:26:27.637 INFO running `"docker" "rm" "-f" "d0201e3d4228aebe24c3504885fca70321a7218fcca3f5fcd2cd585cbd2f4e27"`
Nov 02 21:26:27.940 INFO blam! d0201e3d4228aebe24c3504885fca70321a7218fcca3f5fcd2cd585cbd2f4e27