[INFO] cloning repository https://github.com/Hoverbear/rust-rosetta [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hoverbear/rust-rosetta" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoverbear%2Frust-rosetta", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoverbear%2Frust-rosetta'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a86f82a94d496a469f96714131c111c21631576b [INFO] checking Hoverbear/rust-rosetta against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoverbear%2Frust-rosetta" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Hoverbear/rust-rosetta on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-4/source/rust-toolchain [INFO] started tweaking git repo https://github.com/Hoverbear/rust-rosetta [INFO] finished tweaking git repo https://github.com/Hoverbear/rust-rosetta [INFO] tweaked toml for git repo https://github.com/Hoverbear/rust-rosetta written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/Hoverbear/rust-rosetta already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.21 [INFO] [stderr] Downloaded gtk-sys v0.6.0 [INFO] [stderr] Downloaded gio-sys v0.6.0 [INFO] [stderr] Downloaded gdk-sys v0.6.0 [INFO] [stderr] Downloaded gdk-pixbuf-sys v0.6.0 [INFO] [stderr] Downloaded glib-sys v0.6.0 [INFO] [stderr] Downloaded csv v1.1.5 [INFO] [stderr] Downloaded md-5 v0.8.0 [INFO] [stderr] Downloaded permutohedron v0.2.4 [INFO] [stderr] Downloaded generic-array v0.11.2 [INFO] [stderr] Downloaded ord_subset v3.1.1 [INFO] [stderr] Downloaded crossterm v0.19.0 [INFO] [stderr] Downloaded generic-array v0.13.3 [INFO] [stderr] Downloaded signal-hook v0.1.17 [INFO] [stderr] Downloaded bitvec v0.19.5 [INFO] [stderr] Downloaded statrs v0.13.0 [INFO] [stderr] Downloaded num-complex v0.4.0 [INFO] [stderr] Downloaded primes v0.3.0 [INFO] [stderr] Downloaded gdk v0.8.0 [INFO] [stderr] Downloaded array-init v0.1.1 [INFO] [stderr] Downloaded const-sha1 v0.2.0 [INFO] [stderr] Downloaded windows_macros v0.7.0 [INFO] [stderr] Downloaded glutin v0.24.1 [INFO] [stderr] Downloaded bmp v0.5.0 [INFO] [stderr] Downloaded predicates v1.0.7 [INFO] [stderr] Downloaded lexical-core v0.7.5 [INFO] [stderr] Downloaded crossterm_winapi v0.7.0 [INFO] [stderr] Downloaded chrono-tz v0.5.3 [INFO] [stderr] Downloaded indoc v1.0.3 [INFO] [stderr] Downloaded web-sys v0.3.48 [INFO] [stderr] Downloaded pin-project-lite v0.2.5 [INFO] [stderr] Downloaded squote v0.1.2 [INFO] [stderr] Downloaded glium v0.27.0 [INFO] [stderr] Downloaded decimal v2.0.4 [INFO] [stderr] Downloaded security-framework v2.1.1 [INFO] [stderr] Downloaded gtk v0.4.1 [INFO] [stderr] Downloaded anyhow v1.0.38 [INFO] [stderr] Downloaded security-framework-sys v2.1.1 [INFO] [stderr] Downloaded ripemd160 v0.8.0 [INFO] [stderr] Downloaded windows v0.7.0 [INFO] [stderr] Downloaded pango v0.4.0 [INFO] [stderr] Downloaded convert-base v1.1.0 [INFO] [stderr] Downloaded pathdiff v0.1.0 [INFO] [stderr] Downloaded gnuplot v0.0.26 [INFO] [stderr] Downloaded glib v0.5.0 [INFO] [stderr] Downloaded env_logger v0.5.13 [INFO] [stderr] Downloaded libc v0.2.87 [INFO] [stderr] Downloaded cairo-sys-rs v0.6.0 [INFO] [stderr] Downloaded gobject-sys v0.6.0 [INFO] [stderr] Downloaded windows_gen v0.7.0 [INFO] [stderr] Downloaded js-sys v0.3.48 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.71 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.71 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.71 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.71 [INFO] [stderr] Downloaded wasm-bindgen v0.2.71 [INFO] [stderr] Downloaded ncurses v5.101.0 [INFO] [stderr] Downloaded assert_approx_eq v1.1.0 [INFO] [stderr] Downloaded c_vec v1.3.3 [INFO] [stderr] Downloaded gdk-pixbuf v0.4.0 [INFO] [stderr] Downloaded num-rational v0.4.0 [INFO] [stderr] Downloaded num v0.4.0 [INFO] [stderr] Downloaded num-bigint v0.4.0 [INFO] [stderr] Downloaded parse-zoneinfo v0.3.0 [INFO] [stderr] Downloaded rand_distr v0.4.0 [INFO] [stderr] Downloaded typed-arena v1.7.0 [INFO] [stderr] Downloaded factorial v0.2.1 [INFO] [stderr] Downloaded nalgebra v0.16.14 [INFO] [stderr] Downloaded takeable-option v0.5.0 [INFO] [stderr] Downloaded math v0.10.0 [INFO] [stderr] Downloaded image v0.19.0 [INFO] [stderr] Downloaded cairo-rs v0.4.1 [INFO] [stderr] Downloaded term-painter v0.2.4 [INFO] [stderr] Downloaded atk-sys v0.6.0 [INFO] [stderr] Downloaded gio v0.4.1 [INFO] [stderr] Downloaded pango-sys v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c705ecbf7dcccb88652230a2ef9ca52158dbdd79106062ead3531f47c329864f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c705ecbf7dcccb88652230a2ef9ca52158dbdd79106062ead3531f47c329864f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c705ecbf7dcccb88652230a2ef9ca52158dbdd79106062ead3531f47c329864f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c705ecbf7dcccb88652230a2ef9ca52158dbdd79106062ead3531f47c329864f", kill_on_drop: false }` [INFO] [stdout] c705ecbf7dcccb88652230a2ef9ca52158dbdd79106062ead3531f47c329864f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a499d307875b2a489ee7df6517cff019fd350e0af4732f93a4efc0875c89118d [INFO] running `Command { std: "docker" "start" "-a" "a499d307875b2a489ee7df6517cff019fd350e0af4732f93a4efc0875c89118d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.87 [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking futures-core v0.3.13 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking pin-project-lite v0.2.5 [INFO] [stderr] Compiling httparse v1.3.5 [INFO] [stderr] Checking futures-sink v0.3.13 [INFO] [stderr] Checking futures-task v0.3.13 [INFO] [stderr] Checking futures-io v0.3.13 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Checking plotters-backend v0.3.0 [INFO] [stderr] Checking pathdiff v0.1.0 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling radium v0.5.3 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking wyz v0.2.0 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking downcast-rs v1.2.0 [INFO] [stderr] Checking untrusted v0.6.2 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Compiling regex-syntax v0.6.22 [INFO] [stderr] Checking pangram-checker v0.1.0 (/opt/rustwide/workdir/tasks/pangram-checker) [INFO] [stderr] Checking assert_approx_eq v1.1.0 [INFO] [stderr] Compiling matrixmultiply v0.1.15 [INFO] [stderr] Checking array-init v0.1.1 [INFO] [stderr] Checking prime-decomposition v0.1.0 (/opt/rustwide/workdir/tasks/prime-decomposition) [INFO] [stderr] Checking aks-test-for-primes v0.1.0 (/opt/rustwide/workdir/tasks/aks-test-for-primes) [INFO] [stderr] Compiling paste v1.0.5 [INFO] [stderr] Checking run-length-encoding v0.1.0 (/opt/rustwide/workdir/tasks/run-length-encoding) [INFO] [stderr] Checking entropy v0.1.0 (/opt/rustwide/workdir/tasks/entropy) [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking takeable-option v0.5.0 [INFO] [stderr] Checking n-queens-problem v0.1.0 (/opt/rustwide/workdir/tasks/n-queens-problem) [INFO] [stderr] Checking factorial v0.1.0 (/opt/rustwide/workdir/tasks/factorial) [INFO] [stderr] Checking lazy_static v0.1.16 [INFO] [stderr] Checking ord_subset v3.1.1 [INFO] [stderr] Compiling write-to-a-windows-event-log v0.1.0 (/opt/rustwide/workdir/tasks/write-to-a-windows-event-log) [INFO] [stderr] Checking unicode-segmentation v1.7.1 [INFO] [stderr] Checking convert-base v1.1.0 [INFO] [stderr] Checking gnuplot v0.0.26 [INFO] [stderr] Checking primes v0.3.0 [INFO] [stderr] Checking luhn-test-of-credit-card-numbers v0.1.0 (/opt/rustwide/workdir/tasks/luhn-test-of-credit-card-numbers) [INFO] [stderr] Compiling unindent v0.1.7 [INFO] [stderr] Checking lzw-compression v0.1.0 (/opt/rustwide/workdir/tasks/lzw-compression) [INFO] [stderr] Checking even-or-odd v0.1.0 (/opt/rustwide/workdir/tasks/even-or-odd) [INFO] [stderr] Checking carmichael-3-strong-pseudoprimes v0.1.0 (/opt/rustwide/workdir/tasks/carmichael-3-strong-pseudoprimes) [INFO] [stderr] Checking enforced-immutability v0.1.0 (/opt/rustwide/workdir/tasks/enforced-immutability) [INFO] [stderr] Checking sleep-sort v0.1.0 (/opt/rustwide/workdir/tasks/sorting-algorithms/sleep-sort) [INFO] [stderr] Checking ulam-spiral-for-primes v0.1.0 (/opt/rustwide/workdir/tasks/ulam-spiral-for-primes) [INFO] [stderr] Checking temperature-conversion v0.1.0 (/opt/rustwide/workdir/tasks/temperature-conversion) [INFO] [stderr] Checking md4 v0.1.0 (/opt/rustwide/workdir/tasks/md4) [INFO] [stderr] Checking set v0.1.0 (/opt/rustwide/workdir/tasks/set) [INFO] [stderr] Checking currying v0.1.0 (/opt/rustwide/workdir/tasks/currying) [INFO] [stderr] Checking water-collected-between-towers v0.1.0 (/opt/rustwide/workdir/tasks/water-collected-between-towers) [INFO] [stderr] Checking copy-a-string v0.1.0 (/opt/rustwide/workdir/tasks/copy-a-string) [INFO] [stderr] Checking langtons-ant v0.1.0 (/opt/rustwide/workdir/tasks/langtons-ant) [INFO] [stderr] Checking sum-of-squares v0.1.0 (/opt/rustwide/workdir/tasks/sum-of-squares) [INFO] [stderr] Checking rep-string v0.1.0 (/opt/rustwide/workdir/tasks/rep-string) [INFO] [stderr] Checking standard-error v0.1.0 (/opt/rustwide/workdir/tasks/hello-world/standard-error) [INFO] [stderr] Checking primality-by-trial-division v0.1.0 (/opt/rustwide/workdir/tasks/primality-by-trial-division) [INFO] [stderr] Checking aliquot-sequence-classifications v0.1.0 (/opt/rustwide/workdir/tasks/aliquot-sequence-classifications) [INFO] [stderr] Checking permutations-with-repetitions v0.1.0 (/opt/rustwide/workdir/tasks/permutations-with-repetitions) [INFO] [stderr] Checking palindrome-detection v0.1.0 (/opt/rustwide/workdir/tasks/palindrome-detection) [INFO] [stderr] Checking arithmetic-mean v0.1.0 (/opt/rustwide/workdir/tasks/averages/arithmetic-mean) [INFO] [stderr] Checking tree-traversal v0.1.0 (/opt/rustwide/workdir/tasks/tree-traversal) [INFO] [stderr] Checking the-twelve-days-of-christmas v0.1.0 (/opt/rustwide/workdir/tasks/the-twelve-days-of-christmas) [INFO] [stderr] Checking text v0.1.0 (/opt/rustwide/workdir/tasks/user-input/text) [INFO] [stderr] Checking arrays v0.1.0 (/opt/rustwide/workdir/tasks/arrays) [INFO] [stderr] Checking sum-multiples-of-3-and-5 v0.1.0 (/opt/rustwide/workdir/tasks/sum-multiples-of-3-and-5) [INFO] [stderr] Checking create-a-file v0.1.0 (/opt/rustwide/workdir/tasks/create-a-file) [INFO] [stderr] Checking josephus-problem v0.1.0 (/opt/rustwide/workdir/tasks/josephus-problem) [INFO] [stderr] Checking hofstadter-figure-figure-sequences v0.1.0 (/opt/rustwide/workdir/tasks/hofstadter-figure-figure-sequences) [INFO] [stderr] Checking function-composition v0.1.0 (/opt/rustwide/workdir/tasks/function-composition) [INFO] [stderr] Checking call-an-object-method v0.1.0 (/opt/rustwide/workdir/tasks/call-an-object-method) [INFO] [stderr] Checking sum-and-product-of-an-array v0.1.0 (/opt/rustwide/workdir/tasks/sum-and-product-of-an-array) [INFO] [stderr] Checking population-count v0.1.0 (/opt/rustwide/workdir/tasks/population-count) [INFO] [stderr] Checking fibonacci-sequence v0.1.0 (/opt/rustwide/workdir/tasks/fibonacci-sequence) [INFO] [stderr] Checking delete-a-file v0.1.0 (/opt/rustwide/workdir/tasks/delete-a-file) [INFO] [stderr] Checking associative-array-iteration v0.1.0 (/opt/rustwide/workdir/tasks/associative-array/iteration) [INFO] [stderr] Checking count-in-octal v0.1.0 (/opt/rustwide/workdir/tasks/count-in-octal) [INFO] [stderr] Checking pythagorean-triples v0.1.0 (/opt/rustwide/workdir/tasks/pythagorean-triples) [INFO] [stderr] Checking check-that-file-exists v0.1.0 (/opt/rustwide/workdir/tasks/check-that-file-exists) [INFO] [stderr] Checking execute-a-markov-algorithm v0.1.0 (/opt/rustwide/workdir/tasks/execute-a-markov-algorithm) [INFO] [stderr] Checking _99-bottles-of-beer v0.1.0 (/opt/rustwide/workdir/tasks/_99-bottles-of-beer) [INFO] [stderr] Checking conways-game-of-life v0.1.0 (/opt/rustwide/workdir/tasks/conways-game-of-life) [INFO] [stderr] Checking quine v0.1.0 (/opt/rustwide/workdir/tasks/quine) [INFO] [stderr] Checking hofstadter-q-sequence v0.1.0 (/opt/rustwide/workdir/tasks/hofstadter-q-sequence) [INFO] [stderr] Checking read-a-specific-line-from-a-file v0.1.0 (/opt/rustwide/workdir/tasks/read-a-specific-line-from-a-file) [INFO] [stderr] Checking file-input-output v0.1.0 (/opt/rustwide/workdir/tasks/file-input-output) [INFO] [stderr] Checking standard-deviation v0.1.0 (/opt/rustwide/workdir/tasks/standard-deviation) [INFO] [stderr] Checking rot-13 v0.1.0 (/opt/rustwide/workdir/tasks/rot-13) [INFO] [stderr] Checking narcissistic-decimal-number v0.1.0 (/opt/rustwide/workdir/tasks/narcissistic-decimal-number) [INFO] [stderr] Checking with-feedback-player v0.1.0 (/opt/rustwide/workdir/tasks/guess-the-number/with-feedback-player) [INFO] [stderr] Checking selection-sort v0.1.0 (/opt/rustwide/workdir/tasks/sorting-algorithms/selection-sort) [INFO] [stderr] Checking shell-sort v0.1.0 (/opt/rustwide/workdir/tasks/sorting-algorithms/shell-sort) [INFO] [stderr] Checking rename-a-file v0.1.0 (/opt/rustwide/workdir/tasks/rename-a-file) [INFO] [stderr] Checking heapsort v0.1.0 (/opt/rustwide/workdir/tasks/sorting-algorithms/heapsort) [INFO] [stderr] Checking newbie v0.1.0 (/opt/rustwide/workdir/tasks/hello-world/newbie) [INFO] [stderr] Checking convert-seconds-to-compound-duration v0.1.0 (/opt/rustwide/workdir/tasks/convert-seconds-to-compound-duration) [INFO] [stderr] Checking array-concatenation v0.1.0 (/opt/rustwide/workdir/tasks/array-concatenation) [INFO] [stderr] Checking jensens-device v0.1.0 (/opt/rustwide/workdir/tasks/jensens-device) [INFO] [stderr] Checking gray-code v0.1.0 (/opt/rustwide/workdir/tasks/gray-code) [INFO] [stderr] Checking array-length v0.1.0 (/opt/rustwide/workdir/tasks/array-length) [INFO] [stderr] Checking digital-root v0.1.0 (/opt/rustwide/workdir/tasks/digital-root) [INFO] [stderr] Checking root-mean-square v0.1.0 (/opt/rustwide/workdir/tasks/averages/root-mean-square) [INFO] [stderr] Checking middle-three-digits v0.1.0 (/opt/rustwide/workdir/tasks/middle-three-digits) [INFO] [stderr] Checking apply-a-digital-filter v0.1.0 (/opt/rustwide/workdir/tasks/apply-a-digital-filter) [INFO] [stderr] Checking csv-data-manipulation v0.1.0 (/opt/rustwide/workdir/tasks/csv-data-manipulation) [INFO] [stderr] Checking sedols v0.1.0 (/opt/rustwide/workdir/tasks/sedols) [INFO] [stderr] Checking foreach v0.1.0 (/opt/rustwide/workdir/tasks/loops/foreach) [INFO] [stderr] Checking mean-angle v0.1.0 (/opt/rustwide/workdir/tasks/averages/mean-angle) [INFO] [stderr] Checking host-introspection v0.1.0 (/opt/rustwide/workdir/tasks/host-introspection) [INFO] [stderr] Checking construct-from-rational-number v0.1.0 (/opt/rustwide/workdir/tasks/continued-fraction/arithmetic/construct-from-rational-number) [INFO] [stderr] Checking _0-1 v0.1.0 (/opt/rustwide/workdir/tasks/knapsack-problem/_0-1) [INFO] [stderr] Checking repeat-a-string v0.1.0 (/opt/rustwide/workdir/tasks/repeat-a-string) [INFO] [stderr] Checking phrase-reversals v0.1.0 (/opt/rustwide/workdir/tasks/phrase-reversals) [INFO] [stderr] Checking letter-frequency v0.1.0 (/opt/rustwide/workdir/tasks/letter-frequency) [INFO] [stderr] Checking compound-data-type v0.1.0 (/opt/rustwide/workdir/tasks/compound-data-type) [INFO] [stderr] Checking environment-variables v0.1.0 (/opt/rustwide/workdir/tasks/environment-variables) [INFO] [stderr] Checking abc-problem v0.1.0 (/opt/rustwide/workdir/tasks/abc-problem) [INFO] [stderr] Checking iterated-digits-squaring v0.1.0 (/opt/rustwide/workdir/tasks/iterated-digits-squaring) [INFO] [stderr] Checking topological-sort v0.1.0 (/opt/rustwide/workdir/tasks/sorting-algorithms/topological-sort) [INFO] [stderr] Checking boolean-values v0.1.0 (/opt/rustwide/workdir/tasks/boolean-values) [INFO] [stderr] Checking graphical v0.1.0 (/opt/rustwide/workdir/tasks/hello-world/graphical) [INFO] [stderr] Checking strip-characters-from-a-string v0.1.0 (/opt/rustwide/workdir/tasks/strip-characters-from-a-string) [INFO] [stderr] Checking sort-using-a-custom-comparator v0.1.0 (/opt/rustwide/workdir/tasks/sort-using-a-custom-comparator) [INFO] [stderr] Checking obtain-a-y-or-n-response v0.1.0 (/opt/rustwide/workdir/tasks/keyboard-input/obtain-a-y-or-n-response) [INFO] [stderr] Checking move-to-front v0.1.0 (/opt/rustwide/workdir/tasks/move-to-front) [INFO] [stderr] Checking horizontal-sundial-calculations v0.1.0 (/opt/rustwide/workdir/tasks/horizontal-sundial-calculations) [INFO] [stderr] Checking anonymous-recursion v0.1.0 (/opt/rustwide/workdir/tasks/anonymous-recursion) [INFO] [stderr] Checking arithmetic-geometric-mean v0.1.0 (/opt/rustwide/workdir/tasks/arithmetic-geometric-mean) [INFO] [stderr] Checking determine-if-only-one-instance-is-running v0.1.0 (/opt/rustwide/workdir/tasks/determine-if-only-one-instance-is-running) [INFO] [stderr] Checking thieles-interpolation-formula v0.1.0 (/opt/rustwide/workdir/tasks/thieles-interpolation-formula) [INFO] [stderr] Checking string-concatenation v0.1.0 (/opt/rustwide/workdir/tasks/string-concatenation) [INFO] [stderr] Checking sieve-of-eratosthenes v0.1.0 (/opt/rustwide/workdir/tasks/sieve-of-eratosthenes) [INFO] [stderr] Checking y-combinator v0.1.0 (/opt/rustwide/workdir/tasks/y-combinator) [INFO] [stderr] Checking continued-fraction v0.1.0 (/opt/rustwide/workdir/tasks/continued-fraction) [INFO] [stderr] Checking determine-if-a-string-is-numeric v0.1.0 (/opt/rustwide/workdir/tasks/determine-if-a-string-is-numeric) [INFO] [stderr] Checking insertion-sort v0.1.0 (/opt/rustwide/workdir/tasks/sorting-algorithms/insertion-sort) [INFO] [stderr] Checking soundex v0.1.0 (/opt/rustwide/workdir/tasks/soundex) [INFO] [stderr] Checking find-limit-of-recursion v0.1.0 (/opt/rustwide/workdir/tasks/find-limit-of-recursion) [INFO] [stderr] Checking decode v0.1.0 (/opt/rustwide/workdir/tasks/roman-numerals/decode) [INFO] [stderr] Checking align-columns v0.1.0 (/opt/rustwide/workdir/tasks/align-columns) [INFO] [stderr] Checking display-linear-combination v0.1.0 (/opt/rustwide/workdir/tasks/display-linear-combination) [INFO] [stderr] Checking chat-server v0.1.0 (/opt/rustwide/workdir/tasks/chat-server) [INFO] [stderr] Checking catamorphism v0.1.0 (/opt/rustwide/workdir/tasks/catamorphism) [INFO] [stderr] Checking comma-quibbling v0.1.0 (/opt/rustwide/workdir/tasks/comma-quibbling) [INFO] [stderr] Checking hash-join v0.1.0 (/opt/rustwide/workdir/tasks/hash-join) [INFO] [stderr] Checking return-multiple-values v0.1.0 (/opt/rustwide/workdir/tasks/return-multiple-values) [INFO] [stderr] Checking four-bit-adder v0.1.0 (/opt/rustwide/workdir/tasks/four-bit-adder) [INFO] [stderr] Checking dining-philosophers v0.1.0 (/opt/rustwide/workdir/tasks/dining-philosophers) [INFO] [stderr] Checking balanced-ternary v0.1.0 (/opt/rustwide/workdir/tasks/balanced-ternary) [INFO] [stderr] Checking the-isaac-cipher v0.1.0 (/opt/rustwide/workdir/tasks/the-isaac-cipher) [INFO] [stderr] Checking execute-hq9-plus v0.1.0 (/opt/rustwide/workdir/tasks/execute-hq9-plus) [INFO] [stderr] Checking i-before-e-except-after-c v0.1.0 (/opt/rustwide/workdir/tasks/i-before-e-except-after-c) [INFO] [stderr] Checking execute-a-system-command v0.1.0 (/opt/rustwide/workdir/tasks/execute-a-system-command) [INFO] [stderr] Checking empty-program v0.1.0 (/opt/rustwide/workdir/tasks/empty-program) [INFO] [stderr] Checking mode v0.1.0 (/opt/rustwide/workdir/tasks/averages/mode) [INFO] [stderr] Checking string-length v0.1.0 (/opt/rustwide/workdir/tasks/string-length) [INFO] [stderr] Checking floyd-warshall-algorithm v0.1.0 (/opt/rustwide/workdir/tasks/floyd-warshall-algorithm) [INFO] [stderr] Checking wireworld v0.1.0 (/opt/rustwide/workdir/tasks/wireworld) [INFO] [stderr] Checking combinations v0.1.0 (/opt/rustwide/workdir/tasks/combinations) [INFO] [stderr] Checking mean-time-of-day v0.1.0 (/opt/rustwide/workdir/tasks/averages/mean-time-of-day) [INFO] [stderr] Checking binary-search v0.1.0 (/opt/rustwide/workdir/tasks/binary-search) [INFO] [stderr] Checking increment-a-numerical-string v0.1.0 (/opt/rustwide/workdir/tasks/increment-a-numerical-string) [INFO] [stderr] Checking magic-squares-of-odd-order v0.1.0 (/opt/rustwide/workdir/tasks/magic-squares-of-odd-order) [INFO] [stderr] Checking implementation v0.1.0 (/opt/rustwide/workdir/tasks/md5/implementation) [INFO] [stderr] Checking catalan-numbers v0.1.0 (/opt/rustwide/workdir/tasks/catalan-numbers) [INFO] [stderr] Checking do-while v0.1.0 (/opt/rustwide/workdir/tasks/loops/do-while) [INFO] [stderr] Checking fasta-format v0.1.0 (/opt/rustwide/workdir/tasks/fasta-format) [INFO] [stderr] Checking generic-swap v0.1.0 (/opt/rustwide/workdir/tasks/generic-swap) [INFO] [stderr] Checking almost-prime v0.1.0 (/opt/rustwide/workdir/tasks/almost-prime) [INFO] [stderr] Checking traversal v0.1.0 (/opt/rustwide/workdir/tasks/singly-linked-list/traversal) [INFO] [stderr] Checking sum-digits-of-an-integer v0.1.0 (/opt/rustwide/workdir/tasks/sum-digits-of-an-integer) [INFO] [stderr] Checking parametric-polymorphism v0.1.0 (/opt/rustwide/workdir/tasks/parametric-polymorphism) [INFO] [stderr] Checking combinations-with-repetitions v0.1.0 (/opt/rustwide/workdir/tasks/combinations-with-repetitions) [INFO] [stderr] Checking chinese-remainder-theorem v0.1.0 (/opt/rustwide/workdir/tasks/chinese-remainder-theorem) [INFO] [stderr] Checking line-printer v0.1.0 (/opt/rustwide/workdir/tasks/hello-world/line-printer) [INFO] [stderr] Checking tokenize-a-string v0.1.0 (/opt/rustwide/workdir/tasks/tokenize-a-string) [INFO] [stderr] Checking reverse-words-in-a-string v0.1.0 (/opt/rustwide/workdir/tasks/reverse-words-in-a-string) [INFO] [stderr] Checking numerical-integration v0.1.0 (/opt/rustwide/workdir/tasks/numerical-integration) [INFO] [stderr] Checking multiplication-tables v0.1.0 (/opt/rustwide/workdir/tasks/multiplication-tables) [INFO] [stderr] Checking integer v0.1.0 (/opt/rustwide/workdir/tasks/arithmetic/integer) [INFO] [stderr] Checking leap-year v0.1.0 (/opt/rustwide/workdir/tasks/leap-year) [INFO] [stderr] Checking modular-inverse v0.1.0 (/opt/rustwide/workdir/tasks/modular-inverse) [INFO] [stderr] Checking spiral-matrix v0.1.0 (/opt/rustwide/workdir/tasks/spiral-matrix) [INFO] [stderr] Checking sort-disjoint-sublist v0.1.0 (/opt/rustwide/workdir/tasks/sort-disjoint-sublist) [INFO] [stderr] Checking burrows-wheeler-transform v0.1.0 (/opt/rustwide/workdir/tasks/burrows-wheeler-transform) [INFO] [stderr] Checking higher-order-functions v0.1.0 (/opt/rustwide/workdir/tasks/higher-order-functions) [INFO] [stderr] Checking stack v0.1.0 (/opt/rustwide/workdir/tasks/stack) [INFO] [stderr] Checking sequence-of-primes-by-trial-division v0.1.0 (/opt/rustwide/workdir/tasks/sequence-of-primes-by-trial-division) [INFO] [stderr] Checking harshad-or-niven-series v0.1.0 (/opt/rustwide/workdir/tasks/harshad-or-niven-series) [INFO] [stderr] Checking man-or-boy-test v0.1.0 (/opt/rustwide/workdir/tasks/man-or-boy-test) [INFO] [stderr] Checking permutation-test v0.1.0 (/opt/rustwide/workdir/tasks/permutation-test) [INFO] [stderr] Checking exceptions v0.1.0 (/opt/rustwide/workdir/tasks/exceptions) [INFO] [stderr] Checking perfect-numbers v0.1.0 (/opt/rustwide/workdir/tasks/perfect-numbers) [INFO] [stderr] Checking continue v0.1.0 (/opt/rustwide/workdir/tasks/loops/continue) [INFO] [stderr] Checking synchronous-concurrency v0.1.0 (/opt/rustwide/workdir/tasks/synchronous-concurrency) [INFO] [stderr] Checking power-set v0.1.0 (/opt/rustwide/workdir/tasks/power-set) [INFO] [stderr] Checking flatten-a-list v0.1.0 (/opt/rustwide/workdir/tasks/flatten-a-list) [INFO] [stderr] Checking case-sensitivity-of-identifiers v0.1.0 (/opt/rustwide/workdir/tasks/case-sensitivity-of-identifiers) [INFO] [stderr] Checking substring-top-and-tail v0.1.0 (/opt/rustwide/workdir/tasks/substring/top-and-tail) [INFO] [stderr] Checking string-interpolation-included v0.1.0 (/opt/rustwide/workdir/tasks/string-interpolation-included) [INFO] [stderr] Checking huffman-coding v0.1.0 (/opt/rustwide/workdir/tasks/huffman-coding) [INFO] [stderr] Checking quicksort v0.1.0 (/opt/rustwide/workdir/tasks/sorting-algorithms/quicksort) [INFO] [stderr] Checking word-wrap v0.1.0 (/opt/rustwide/workdir/tasks/word-wrap) [INFO] [stderr] Checking binary-digits v0.1.0 (/opt/rustwide/workdir/tasks/binary-digits) [INFO] [stderr] Checking repeat v0.1.0 (/opt/rustwide/workdir/tasks/repeat) [INFO] [stderr] Checking element-wise-operations v0.1.0 (/opt/rustwide/workdir/tasks/element-wise-operations) [INFO] [stderr] Checking while v0.1.0 (/opt/rustwide/workdir/tasks/loops/while) [INFO] [stderr] Checking zero-to-the-zero-power v0.1.0 (/opt/rustwide/workdir/tasks/zero-to-the-zero-power) [INFO] [stderr] Checking amicable-pairs v0.1.0 (/opt/rustwide/workdir/tasks/amicable-pairs) [INFO] [stderr] Checking loop-over-multiple-arrays-simultaneously v0.1.0 (/opt/rustwide/workdir/tasks/loop-over-multiple-arrays-simultaneously) [INFO] [stderr] Checking sequence-of-non-squares v0.1.0 (/opt/rustwide/workdir/tasks/sequence-of-non-squares) [INFO] [stderr] Checking metered-concurrency v0.1.0 (/opt/rustwide/workdir/tasks/metered-concurrency) [INFO] [stderr] Checking median v0.1.0 (/opt/rustwide/workdir/tasks/averages/median) [INFO] [stderr] Checking pascals-triangle v0.1.0 (/opt/rustwide/workdir/tasks/pascals-triangle) [INFO] [stderr] Checking a-plus-b v0.1.0 (/opt/rustwide/workdir/tasks/a-plus-b) [INFO] [stderr] Checking infinity v0.1.0 (/opt/rustwide/workdir/tasks/infinity) [INFO] [stderr] Checking generate-lower-case-ascii-alphabet v0.1.0 (/opt/rustwide/workdir/tasks/generate-lower-case-ascii-alphabet) [INFO] [stderr] Checking formatted-numeric-output v0.1.0 (/opt/rustwide/workdir/tasks/formatted-numeric-output) [INFO] [stderr] Checking globally-replace-text-in-several-files v0.1.0 (/opt/rustwide/workdir/tasks/globally-replace-text-in-several-files) [INFO] [stderr] Checking doubly-linked-list-element-definition v0.1.0 (/opt/rustwide/workdir/tasks/doubly-linked-list/element-definition) [INFO] [stderr] Checking execute-brainfuck v0.1.0 (/opt/rustwide/workdir/tasks/execute-brainfuck) [INFO] [stderr] Checking benfords-law v0.1.0 (/opt/rustwide/workdir/tasks/benfords-law) [INFO] [stderr] Checking program-name v0.1.0 (/opt/rustwide/workdir/tasks/program-name) [INFO] [stderr] Checking self-describing_numbers v0.1.0 (/opt/rustwide/workdir/tasks/self-describing-numbers) [INFO] [stderr] Checking define-a-primitive-data-type v0.1.0 (/opt/rustwide/workdir/tasks/define-a-primitive-data-type) [INFO] [stderr] Checking abstract-type v0.1.0 (/opt/rustwide/workdir/tasks/abstract-type) [INFO] [stderr] Checking here-document v0.1.0 (/opt/rustwide/workdir/tasks/here-document) [INFO] [stderr] Checking general-fizzbuzz v0.1.0 (/opt/rustwide/workdir/tasks/general-fizzbuzz) [INFO] [stderr] Checking file-size v0.1.0 (/opt/rustwide/workdir/tasks/file-size) [INFO] [stderr] Checking hough-transform v0.1.0 (/opt/rustwide/workdir/tasks/hough-transform) [INFO] [stderr] Checking command-line-arguments v0.1.0 (/opt/rustwide/workdir/tasks/command-line-arguments) [INFO] [stderr] Checking top-and-tail v0.1.0 (/opt/rustwide/workdir/tasks/strip-whitespace-from-a-string/top-and-tail) [INFO] [stderr] Checking zumkeller-numbers v0.1.0 (/opt/rustwide/workdir/tasks/zumkeller-numbers) [INFO] [stderr] Checking integer-comparison v0.1.0 (/opt/rustwide/workdir/tasks/integer-comparison) [INFO] [stderr] Checking real-constants-and-functions v0.1.0 (/opt/rustwide/workdir/tasks/real-constants-and-functions) [INFO] [stderr] Checking vector-products v0.1.0 (/opt/rustwide/workdir/tasks/vector-products) [INFO] [stderr] Checking abundant-deficient-and-perfect-number-classifications v0.1.0 (/opt/rustwide/workdir/tasks/abundant-deficient-and-perfect-number-classifications) [INFO] [stderr] Checking maximum-triangle-path-sum v0.1.0 (/opt/rustwide/workdir/tasks/maximum-triangle-path-sum) [INFO] [stderr] Checking cheryl-birthday v0.1.0 (/opt/rustwide/workdir/tasks/cheryl-birthday) [INFO] [stderr] Checking sum-of-a-series v0.1.0 (/opt/rustwide/workdir/tasks/sum-of-a-series) [INFO] [stderr] Checking string-matching v0.1.0 (/opt/rustwide/workdir/tasks/string-matching) [INFO] [stderr] Checking fibonacci-n-step-number-sequences v0.1.0 (/opt/rustwide/workdir/tasks/fibonacci-n-step-number-sequences) [INFO] [stderr] Checking sha-1 v0.1.0 (/opt/rustwide/workdir/tasks/sha-1) [INFO] [stderr] Checking happy-numbers v0.1.0 (/opt/rustwide/workdir/tasks/happy-numbers) [INFO] [stderr] Checking anagrams v0.1.0 (/opt/rustwide/workdir/tasks/anagrams) [INFO] [stderr] Checking address-of-a-variable v0.1.0 (/opt/rustwide/workdir/tasks/address-of-a-variable) [INFO] [stderr] Checking proper-divisors v0.1.0 (/opt/rustwide/workdir/tasks/proper-divisors) [INFO] [stderr] Checking cramers-rule v0.1.0 (/opt/rustwide/workdir/tasks/cramers-rule) [INFO] [stderr] Checking mouse-position v0.1.0 (/opt/rustwide/workdir/tasks/mouse-position) [INFO] [stderr] Checking cocktail-sort v0.1.0 (/opt/rustwide/workdir/tasks/sorting-algorithms/cocktail-sort) [INFO] [stderr] Checking element-definition v0.1.0 (/opt/rustwide/workdir/tasks/singly-linked-list/element-definition) [INFO] [stderr] Checking empty-directory v0.1.0 (/opt/rustwide/workdir/tasks/empty-directory) [INFO] [stderr] Checking knights-tour v0.1.0 (/opt/rustwide/workdir/tasks/knights-tour) [INFO] [stderr] Checking circles-of-given-radius-through-two-points v0.1.0 (/opt/rustwide/workdir/tasks/circles-of-given-radius-through-two-points) [INFO] [stderr] Checking doubly-linked-list-element-insertion v0.1.0 (/opt/rustwide/workdir/tasks/doubly-linked-list/element-insertion) [INFO] [stderr] Checking ackermann-function v0.1.0 (/opt/rustwide/workdir/tasks/ackermann-function) [INFO] [stderr] Checking zig-zag-matrix v0.1.0 (/opt/rustwide/workdir/tasks/zig-zag-matrix) [INFO] [stderr] Checking remove-duplicate-elements v0.1.0 (/opt/rustwide/workdir/tasks/remove-duplicate-elements) [INFO] [stderr] Checking for v0.1.0 (/opt/rustwide/workdir/tasks/loops/for) [INFO] [stderr] Checking collections v0.1.0 (/opt/rustwide/workdir/tasks/collections) [INFO] [stderr] Checking moving-average v0.1.0 (/opt/rustwide/workdir/tasks/averages/simple-moving-average) [INFO] [stderr] Checking crc-32 v0.1.0 (/opt/rustwide/workdir/tasks/crc-32) [INFO] [stderr] Checking web-server v0.1.0 (/opt/rustwide/workdir/tasks/hello-world/web-server) [INFO] [stderr] Checking vampire-number v0.1.0 (/opt/rustwide/workdir/tasks/vampire-number) [INFO] [stderr] Checking hailstone-sequence v0.1.0 (/opt/rustwide/workdir/tasks/hailstone-sequence) [INFO] [stderr] Checking price-fraction v0.1.0 (/opt/rustwide/workdir/tasks/price-fraction) [INFO] [stderr] Checking tau-number v0.1.0 (/opt/rustwide/workdir/tasks/tau-number) [INFO] [stderr] Checking greatest-element-of-a-list v0.1.0 (/opt/rustwide/workdir/tasks/greatest-element-of-a-list) [INFO] [stderr] Checking comb-sort v0.1.0 (/opt/rustwide/workdir/tasks/sorting-algorithms/comb-sort) [INFO] [stderr] Checking cartesian-product-of-two-or-more-lists v0.1.0 (/opt/rustwide/workdir/tasks/cartesian-product-of-two-or-more-lists) [INFO] [stderr] Checking dijkstras-algorithm v0.1.0 (/opt/rustwide/workdir/tasks/dijkstras-algorithm) [INFO] [stderr] Checking truncate-a-file v0.1.0 (/opt/rustwide/workdir/tasks/truncate-a-file) [INFO] [stderr] Checking n-plus-one-half v0.1.0 (/opt/rustwide/workdir/tasks/loops/n-plus-one-half) [INFO] [stderr] Checking string-comparison v0.1.0 (/opt/rustwide/workdir/tasks/string-comparison) [INFO] [stderr] Checking dns-query v0.1.0 (/opt/rustwide/workdir/tasks/dns-query) [INFO] [stderr] Checking optional-parameters v0.1.0 (/opt/rustwide/workdir/tasks/optional-parameters) [INFO] [stderr] Checking newline-omission v0.1.0 (/opt/rustwide/workdir/tasks/hello-world/newline-omission) [INFO] [stderr] Checking input-loop v0.1.0 (/opt/rustwide/workdir/tasks/input-loop) [INFO] [stderr] Checking echo-server v0.1.0 (/opt/rustwide/workdir/tasks/echo-server) [INFO] [stderr] Checking ethiopian-multiplication v0.1.0 (/opt/rustwide/workdir/tasks/ethiopian-multiplication) [INFO] [stderr] Checking towers-of-hanoi v0.1.0 (/opt/rustwide/workdir/tasks/towers-of-hanoi) [INFO] [stderr] Checking count-occurrences-of-a-substring v0.1.0 (/opt/rustwide/workdir/tasks/count-occurrences-of-a-substring) [INFO] [stderr] Checking gnome-sort v0.1.0 (/opt/rustwide/workdir/tasks/sorting-algorithms/gnome-sort) [INFO] [stderr] Checking for-with-a-specified-step v0.1.0 (/opt/rustwide/workdir/tasks/loops/for-with-a-specified-step) [INFO] [stderr] Checking hello-world-text v0.1.0 (/opt/rustwide/workdir/tasks/hello-world/text) [INFO] [stderr] Checking stooge-sort v0.1.0 (/opt/rustwide/workdir/tasks/sorting-algorithms/stooge-sort) [INFO] [stderr] Checking menu v0.1.0 (/opt/rustwide/workdir/tasks/menu) [INFO] [stderr] Checking downward-for v0.1.0 (/opt/rustwide/workdir/tasks/loops/downward-for) [INFO] [stderr] Checking filter v0.1.0 (/opt/rustwide/workdir/tasks/filter) [INFO] [stderr] Checking sudoku v0.1.0 (/opt/rustwide/workdir/tasks/sudoku) [INFO] [stderr] Checking caesar-cipher v0.1.0 (/opt/rustwide/workdir/tasks/caesar-cipher) [INFO] [stderr] Checking sleep v0.1.0 (/opt/rustwide/workdir/tasks/sleep) [INFO] [stderr] Checking search-a-list v0.1.0 (/opt/rustwide/workdir/tasks/search-a-list) [INFO] [stderr] Checking radix-sort v0.1.0 (/opt/rustwide/workdir/tasks/sorting-algorithms/radix-sort) [INFO] [stderr] Checking strip-comments-from-a-string v0.1.0 (/opt/rustwide/workdir/tasks/strip-comments-from-a-string) [INFO] [stderr] Checking short-circuit-evaluation v0.1.0 (/opt/rustwide/workdir/tasks/short-circuit-evaluation) [INFO] [stderr] Checking taxicab-numbers v0.1.0 (/opt/rustwide/workdir/tasks/taxicab-numbers) [INFO] [stderr] Checking sort-an-integer-array v0.1.0 (/opt/rustwide/workdir/tasks/sort-an-integer-array) [INFO] [stderr] Checking encode v0.1.0 (/opt/rustwide/workdir/tasks/roman-numerals/encode) [INFO] [stderr] Checking definition v0.1.0 (/opt/rustwide/workdir/tasks/queue/definition) [INFO] [stderr] Checking hash-from-two-arrays v0.1.0 (/opt/rustwide/workdir/tasks/hash-from-two-arrays) [INFO] [stderr] Checking element-insertion v0.1.0 (/opt/rustwide/workdir/tasks/singly-linked-list/element-insertion) [INFO] [stderr] Checking events v0.1.0 (/opt/rustwide/workdir/tasks/events) [INFO] [stderr] Checking ordered-words v0.1.0 (/opt/rustwide/workdir/tasks/ordered-words) [INFO] [stderr] Checking sort-an-array-of-composite-structures v0.1.0 (/opt/rustwide/workdir/tasks/sort-an-array-of-composite-structures) [INFO] [stderr] Checking ludic-numbers v0.1.0 (/opt/rustwide/workdir/tasks/ludic-numbers) [INFO] [stderr] Checking read-entire-file v0.1.0 (/opt/rustwide/workdir/tasks/read-entire-file) [INFO] [stderr] Checking abbreviations-easy v0.1.0 (/opt/rustwide/workdir/tasks/abbreviations-easy) [INFO] [stderr] Checking square-free-integers v0.1.0 (/opt/rustwide/workdir/tasks/square-free-integers) [INFO] [stderr] Checking mutual-recursion v0.1.0 (/opt/rustwide/workdir/tasks/mutual-recursion) [INFO] [stderr] Checking padovan-n-step-number-sequences v0.1.0 (/opt/rustwide/workdir/tasks/padovan-n-step-number-sequences) [INFO] [stderr] Checking associative-array-creation v0.1.0 (/opt/rustwide/workdir/tasks/associative-array/creation) [INFO] [stderr] Checking null-object v0.1.0 (/opt/rustwide/workdir/tasks/null-object) [INFO] [stderr] Checking ls v0.1.1 (/opt/rustwide/workdir/tasks/unix/ls) [INFO] [stderr] Checking fizzbuzz v0.1.0 (/opt/rustwide/workdir/tasks/fizzbuzz) [INFO] [stderr] Checking jaro-distance v0.1.0 (/opt/rustwide/workdir/tasks/jaro-distance) [INFO] [stderr] Checking pancake-sort v0.1.0 (/opt/rustwide/workdir/tasks/sorting-algorithms/pancake-sort) [INFO] [stderr] Checking bitwise-operations v0.1.0 (/opt/rustwide/workdir/tasks/bitwise-operations) [INFO] [stderr] Checking vigenere-cipher-cryptanalysis v0.1.0 (/opt/rustwide/workdir/tasks/vigenere-cipher-cryptanalysis) [INFO] [stderr] Checking vigenere-cipher v0.1.0 (/opt/rustwide/workdir/tasks/vigenere-cipher) [INFO] [stderr] Checking fork v0.1.0 (/opt/rustwide/workdir/tasks/fork) [INFO] [stderr] Checking comments v0.1.0 (/opt/rustwide/workdir/tasks/comments) [INFO] [stderr] Checking value-capture v0.1.0 (/opt/rustwide/workdir/tasks/closures/value-capture) [INFO] [stderr] Checking accumulator-factory v0.1.0 (/opt/rustwide/workdir/tasks/accumulator-factory) [INFO] [stderr] Checking bubble-sort v0.1.0 (/opt/rustwide/workdir/tasks/sorting-algorithms/bubble-sort) [INFO] [stderr] Checking alignment v0.1.0 (/opt/rustwide/workdir/tasks/levenshtein-distance/alignment) [INFO] [stderr] Checking greatest-subsequential-sum v0.1.0 (/opt/rustwide/workdir/tasks/greatest-subsequential-sum) [INFO] [stderr] Checking levenshtein-distance v0.1.0 (/opt/rustwide/workdir/tasks/levenshtein-distance) [INFO] [stderr] Checking write-entire-file v0.1.0 (/opt/rustwide/workdir/tasks/write-entire-file) [INFO] [stderr] Checking metaprogramming v0.1.0 (/opt/rustwide/workdir/tasks/metaprogramming) [INFO] [stderr] Checking map-range v0.1.0 (/opt/rustwide/workdir/tasks/map-range) [INFO] [stderr] Checking animation v0.1.0 (/opt/rustwide/workdir/tasks/animation) [INFO] [stderr] Checking window-creation v0.1.0 (/opt/rustwide/workdir/tasks/window-creation) [INFO] [stderr] Checking eulers-sum-of-powers-conjecture v0.1.0 (/opt/rustwide/workdir/tasks/eulers-sum-of-powers-conjecture) [INFO] [stderr] Checking hofstadter-conway v0.1.0 (/opt/rustwide/workdir/tasks/hofstadter-conway) [INFO] [stderr] Checking unicode-variable-names v0.1.0 (/opt/rustwide/workdir/tasks/unicode-variable-names) [INFO] [stderr] Checking assertions v0.1.0 (/opt/rustwide/workdir/tasks/assertions) [INFO] [stderr] Checking merge-sort v0.1.0 (/opt/rustwide/workdir/tasks/sorting-algorithms/merge-sort) [INFO] [stdout] warning: the feature `non_ascii_idents` has been stable since 1.53.0 and no longer requires an attribute to enable [INFO] [stdout] --> tasks/unicode-variable-names/src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(non_ascii_idents)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking sierpinski-triangle v0.1.0 (/opt/rustwide/workdir/tasks/sierpinski-triangle) [INFO] [stderr] Checking factors-of-an-integer v0.1.0 (/opt/rustwide/workdir/tasks/factors-of-an-integer) [INFO] [stderr] Checking infinite v0.1.0 (/opt/rustwide/workdir/tasks/loops/infinite) [INFO] [stderr] Checking jortsort v0.1.0 (/opt/rustwide/workdir/tasks/jortsort) [INFO] [stderr] Checking string-case v0.1.0 (/opt/rustwide/workdir/tasks/string-case) [INFO] [stderr] Checking sockets v0.1.0 (/opt/rustwide/workdir/tasks/sockets) [INFO] [stderr] Checking enumerations v0.1.0 (/opt/rustwide/workdir/tasks/enumerations) [INFO] [stderr] Checking longest-common-subsequence v0.1.0 (/opt/rustwide/workdir/tasks/longest-common-subsequence) [INFO] [stderr] Checking apply-a-callback-to-an-array v0.1.0 (/opt/rustwide/workdir/tasks/apply-a-callback-to-an-array) [INFO] [stdout] warning: the feature `non_ascii_idents` has been stable since 1.53.0 and no longer requires an attribute to enable [INFO] [stdout] --> tasks/unicode-variable-names/src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(non_ascii_idents)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking generate-chess960-starting-position v0.1.0 (/opt/rustwide/workdir/tasks/generate-chess960-starting-position) [INFO] [stderr] Checking function-definition v0.1.0 (/opt/rustwide/workdir/tasks/function-definition) [INFO] [stderr] Checking read-a-file-line-by-line v0.1.0 (/opt/rustwide/workdir/tasks/read-a-file-line-by-line) [INFO] [stderr] Checking nth v0.1.0 (/opt/rustwide/workdir/tasks/nth) [INFO] [stderr] Checking read-config-file v0.1.0 (/opt/rustwide/workdir/tasks/read-a-configuration-file) [INFO] [stderr] Checking character-codes v0.1.0 (/opt/rustwide/workdir/tasks/character-codes) [INFO] [stderr] Checking solve-a-hidato-puzzle v0.1.0 (/opt/rustwide/workdir/tasks/solve-a-hidato-puzzle) [INFO] [stderr] Checking p-value-correction v0.1.0 (/opt/rustwide/workdir/tasks/p-value-correction) [INFO] [stderr] Checking counting-sort v0.1.0 (/opt/rustwide/workdir/tasks/sorting-algorithms/counting-sort) [INFO] [stderr] Checking fivenum v0.1.0 (/opt/rustwide/workdir/tasks/fivenum) [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-bigint v0.3.1 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling indexmap v1.6.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Checking libloading v0.6.7 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling nom v6.1.2 [INFO] [stderr] Compiling num-bigint v0.4.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Compiling openssl-sys v0.9.60 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking stb_truetype v0.3.1 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Compiling ring v0.14.6 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Compiling decimal v2.0.4 [INFO] [stderr] Checking bmp v0.5.0 [INFO] [stderr] Checking tinyvec v1.1.1 [INFO] [stderr] Checking http v0.2.3 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking compile-time-calculation v0.1.0 (/opt/rustwide/workdir/tasks/compile-time-calculation) [INFO] [stderr] Checking matrixmultiply v0.2.4 [INFO] [stderr] Checking matrixmultiply v0.3.1 [INFO] [stderr] Checking futures-channel v0.3.13 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking xml-output v0.1.0 (/opt/rustwide/workdir/tasks/xml-output) [INFO] [stderr] Checking plotters-svg v0.3.0 [INFO] [stderr] Checking s-expressions v0.1.0 (/opt/rustwide/workdir/tasks/s-expressions) [INFO] [stderr] Checking arena-storage-pool v0.1.0 (/opt/rustwide/workdir/tasks/arena-storage-pool) [INFO] [stderr] Checking term-painter v0.2.4 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Checking predicates v1.0.7 [INFO] [stderr] Checking pernicious-numbers v0.1.0 (/opt/rustwide/workdir/tasks/pernicious-numbers) [INFO] [stderr] Checking look-and-say-sequence v0.1.0 (/opt/rustwide/workdir/tasks/look-and-say-sequence) [INFO] [stderr] Checking fibonacci-word v0.1.0 (/opt/rustwide/workdir/tasks/fibonacci-word) [INFO] [stderr] Checking cantor-set v0.1.0 (/opt/rustwide/workdir/tasks/cantor-set) [INFO] [stderr] Checking validate-isin v0.1.0 (/opt/rustwide/workdir/tasks/validate-isin) [INFO] [stderr] Checking brazilian-numbers v0.1.0 (/opt/rustwide/workdir/tasks/brazilian-numbers) [INFO] [stderr] Compiling indoc v1.0.3 [INFO] [stderr] Checking reverse-a-string v0.1.0 (/opt/rustwide/workdir/tasks/reverse-a-string) [INFO] [stderr] Checking checkpoint-synchronization v0.1.0 (/opt/rustwide/workdir/tasks/checkpoint-synchronization) [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking dlib v0.4.2 [INFO] [stderr] Checking encoding_rs v0.8.28 [INFO] [stderr] Checking archimedean-spiral v0.1.0 (/opt/rustwide/workdir/tasks/archimedean-spiral) [INFO] [stderr] Checking unicode-normalization v0.1.17 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking tracing v0.1.25 [INFO] [stderr] Checking lexical-core v0.7.5 [INFO] [stderr] Checking humble-numbers v0.1.0 (/opt/rustwide/workdir/tasks/humble-numbers) [INFO] [stderr] Checking sequence-smallest-number-with-exactly-n-divisors v0.1.0 (/opt/rustwide/workdir/tasks/sequence-smallest-number-with-exactly-n-divisors) [INFO] [stderr] Checking kolakoski-sequence v0.1.0 (/opt/rustwide/workdir/tasks/kolakoski-sequence) [INFO] [stderr] Checking ordered-partitions v0.1.0 (/opt/rustwide/workdir/tasks/ordered-partitions) [INFO] [stderr] Checking rare-numbers v0.1.0 (/opt/rustwide/workdir/tasks/rare-numbers) [INFO] [stderr] Checking topswops v0.1.0 (/opt/rustwide/workdir/tasks/topswops) [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking generic-array v0.13.3 [INFO] [stderr] Checking generic-array v0.11.2 [INFO] [stderr] Checking wayland-sys v0.23.6 [INFO] [stderr] Compiling gl_generator v0.14.0 [INFO] [stderr] Compiling openssl v0.10.32 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Checking bitvec v0.19.5 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking futures-util v0.3.13 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Checking getrandom v0.2.2 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking parking_lot_core v0.7.2 [INFO] [stderr] Checking shared_library v0.1.9 [INFO] [stderr] Checking raw-window-handle v0.3.3 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking mio v0.7.9 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking check-output-device-is-a-terminal v0.1.0 (/opt/rustwide/workdir/tasks/check-output-device-is-a-terminal) [INFO] [stderr] Checking use-another-language-to-call-a-function v0.1.0 (/opt/rustwide/workdir/tasks/use-another-language-to-call-a-function) [INFO] [stderr] Checking machine-code v0.1.0 (/opt/rustwide/workdir/tasks/machine-code) [INFO] [stderr] Checking call-a-foreign-language-function v0.1.0 (/opt/rustwide/workdir/tasks/call-a-foreign-language-function) [INFO] [stderr] Checking check-input-device-is-a-terminal v0.1.0 (/opt/rustwide/workdir/tasks/check-input-device-is-a-terminal) [INFO] [stderr] Checking handle-a-signal v0.1.0 (/opt/rustwide/workdir/tasks/handle-a-signal) [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Compiling wayland-scanner v0.23.6 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking idna v0.2.2 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking crossbeam-epoch v0.9.3 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking backtrace v0.3.56 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking system-time v0.1.0 (/opt/rustwide/workdir/tasks/system-time) [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking osmesa-sys v0.1.2 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking plotters v0.3.0 [INFO] [stderr] Checking ordered-float v1.1.1 [INFO] [stderr] Checking line_drawing v0.7.0 [INFO] [stderr] Checking approx v0.4.0 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking factorial v0.2.1 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking ripemd160 v0.8.0 [INFO] [stderr] Checking md-5 v0.8.0 [INFO] [stderr] Compiling glutin_egl_sys v0.1.5 [INFO] [stderr] Compiling glutin_glx_sys v0.1.7 [INFO] [stderr] Compiling glium v0.27.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking url v2.2.1 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking heronian-triangles v0.1.0 (/opt/rustwide/workdir/tasks/heronian-triangles) [INFO] [stderr] Checking address-validation v0.1.0 (/opt/rustwide/workdir/tasks/bitcoin/address-validation) [INFO] [stderr] Checking sha-256 v0.1.0 (/opt/rustwide/workdir/tasks/sha-256) [INFO] [stderr] Checking ndarray v0.14.0 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking rusttype v0.8.3 [INFO] [stderr] error: could not compile `regex` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name regex /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-1.4.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="aho-corasick"' --cfg 'feature="default"' --cfg 'feature="memchr"' --cfg 'feature="pattern"' --cfg 'feature="perf"' --cfg 'feature="perf-cache"' --cfg 'feature="perf-dfa"' --cfg 'feature="perf-inline"' --cfg 'feature="perf-literal"' --cfg 'feature="std"' --cfg 'feature="thread_local"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=76690d354bfc0289 -C extra-filename=-76690d354bfc0289 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-e9279f0183ab6dab.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-e7268561e64e0c3d.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-0e1637be2d60a974.rmeta --extern thread_local=/opt/rustwide/target/debug/deps/libthread_local-c980ef7b246ef457.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "a499d307875b2a489ee7df6517cff019fd350e0af4732f93a4efc0875c89118d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a499d307875b2a489ee7df6517cff019fd350e0af4732f93a4efc0875c89118d", kill_on_drop: false }` [INFO] [stdout] a499d307875b2a489ee7df6517cff019fd350e0af4732f93a4efc0875c89118d