[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 beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoverbear%2Frust-rosetta" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hoverbear/rust-rosetta on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/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-2/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" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows v0.7.0
[INFO] [stderr]   Downloaded windows_macros v0.7.0
[INFO] [stderr]   Downloaded pango-sys v0.6.0
[INFO] [stderr]   Downloaded cairo-sys-rs v0.6.0
[INFO] [stderr]   Downloaded c_vec v1.3.3
[INFO] [stderr]   Downloaded permutohedron v0.2.4
[INFO] [stderr]   Downloaded factorial v0.2.1
[INFO] [stderr]   Downloaded term-painter v0.2.4
[INFO] [stderr]   Downloaded gdk v0.8.0
[INFO] [stderr]   Downloaded primes v0.3.0
[INFO] [stderr]   Downloaded convert-base v1.1.0
[INFO] [stderr]   Downloaded ord_subset v3.1.1
[INFO] [stderr]   Downloaded gdk-pixbuf v0.4.0
[INFO] [stderr]   Downloaded gio-sys v0.6.0
[INFO] [stderr]   Downloaded assert_approx_eq v1.1.0
[INFO] [stderr]   Downloaded gobject-sys v0.6.0
[INFO] [stderr]   Downloaded pathdiff v0.1.0
[INFO] [stderr]   Downloaded math v0.10.0
[INFO] [stderr]   Downloaded generic-array v0.11.2
[INFO] [stderr]   Downloaded cairo-rs v0.4.1
[INFO] [stderr]   Downloaded gtk-sys v0.6.0
[INFO] [stderr]   Downloaded gdk-sys v0.6.0
[INFO] [stderr]   Downloaded glib v0.5.0
[INFO] [stderr]   Downloaded glib-sys v0.6.0
[INFO] [stderr]   Downloaded pango v0.4.0
[INFO] [stderr]   Downloaded nalgebra v0.16.14
[INFO] [stderr]   Downloaded atk-sys v0.6.0
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.6.0
[INFO] [stderr]   Downloaded gio v0.4.1
[INFO] [stderr]   Downloaded gtk v0.4.1
[INFO] [stderr]   Downloaded gnuplot v0.0.26
[INFO] [stderr]   Downloaded windows_gen v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", 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] d8c806a19549ae20bd27fac1a52e1e37c37926a9787120fbd85e110b0c3bebc9
[INFO] running `Command { std: "docker" "start" "-a" "d8c806a19549ae20bd27fac1a52e1e37c37926a9787120fbd85e110b0c3bebc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8c806a19549ae20bd27fac1a52e1e37c37926a9787120fbd85e110b0c3bebc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8c806a19549ae20bd27fac1a52e1e37c37926a9787120fbd85e110b0c3bebc9", kill_on_drop: false }`
[INFO] [stdout] d8c806a19549ae20bd27fac1a52e1e37c37926a9787120fbd85e110b0c3bebc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc39f4da006fb3359ef326abb990466b395a1f5413fcf32cd2cb9ae543e4d746
[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" "fc39f4da006fb3359ef326abb990466b395a1f5413fcf32cd2cb9ae543e4d746", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking pin-project-lite v0.2.5
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking pathdiff v0.1.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking difference v2.0.0
[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 regex-syntax v0.3.9
[INFO] [stderr]     Checking run-length-encoding v0.1.0 (/opt/rustwide/workdir/tasks/run-length-encoding)
[INFO] [stderr]    Compiling ndarray v0.14.0
[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]     Checking predicates-core v1.0.2
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[INFO] [stderr]     Checking entropy v0.1.0 (/opt/rustwide/workdir/tasks/entropy)
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[INFO] [stderr]     Checking n-queens-problem v0.1.0 (/opt/rustwide/workdir/tasks/n-queens-problem)
[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 convert-base v1.1.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling unindent v0.1.7
[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)
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[INFO] [stderr]     Checking accumulator-factory v0.1.0 (/opt/rustwide/workdir/tasks/accumulator-factory)
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[INFO] [stderr]     Checking word-wrap v0.1.0 (/opt/rustwide/workdir/tasks/word-wrap)
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[INFO] [stderr]     Checking search-a-list v0.1.0 (/opt/rustwide/workdir/tasks/search-a-list)
[INFO] [stderr]     Checking implementation v0.1.0 (/opt/rustwide/workdir/tasks/md5/implementation)
[INFO] [stderr]     Checking arithmetic-mean v0.1.0 (/opt/rustwide/workdir/tasks/averages/arithmetic-mean)
[INFO] [stderr]     Checking move-to-front v0.1.0 (/opt/rustwide/workdir/tasks/move-to-front)
[INFO] [stderr]     Checking downward-for v0.1.0 (/opt/rustwide/workdir/tasks/loops/downward-for)
[INFO] [stderr]     Checking element-definition v0.1.0 (/opt/rustwide/workdir/tasks/singly-linked-list/element-definition)
[INFO] [stderr]     Checking permutations-with-repetitions v0.1.0 (/opt/rustwide/workdir/tasks/permutations-with-repetitions)
[INFO] [stderr]     Checking self-describing_numbers v0.1.0 (/opt/rustwide/workdir/tasks/self-describing-numbers)
[INFO] [stderr]     Checking mean-angle v0.1.0 (/opt/rustwide/workdir/tasks/averages/mean-angle)
[INFO] [stderr]     Checking ls v0.1.1 (/opt/rustwide/workdir/tasks/unix/ls)
[INFO] [stderr]     Checking shell-sort v0.1.0 (/opt/rustwide/workdir/tasks/sorting-algorithms/shell-sort)
[INFO] [stderr]     Checking md4 v0.1.0 (/opt/rustwide/workdir/tasks/md4)
[INFO] [stderr]     Checking foreach v0.1.0 (/opt/rustwide/workdir/tasks/loops/foreach)
[INFO] [stderr]     Checking square-free-integers v0.1.0 (/opt/rustwide/workdir/tasks/square-free-integers)
[INFO] [stderr]     Checking longest-common-subsequence v0.1.0 (/opt/rustwide/workdir/tasks/longest-common-subsequence)
[INFO] [stderr]     Checking price-fraction v0.1.0 (/opt/rustwide/workdir/tasks/price-fraction)
[INFO] [stderr]     Checking window-creation v0.1.0 (/opt/rustwide/workdir/tasks/window-creation)
[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 pythagorean-triples v0.1.0 (/opt/rustwide/workdir/tasks/pythagorean-triples)
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[INFO] [stderr]     Checking remove-duplicate-elements v0.1.0 (/opt/rustwide/workdir/tasks/remove-duplicate-elements)
[INFO] [stderr]     Checking function-definition v0.1.0 (/opt/rustwide/workdir/tasks/function-definition)
[INFO] [stderr]     Checking vector-products v0.1.0 (/opt/rustwide/workdir/tasks/vector-products)
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[INFO] [stderr]     Checking web-server v0.1.0 (/opt/rustwide/workdir/tasks/hello-world/web-server)
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[INFO] [stderr]     Checking host-introspection v0.1.0 (/opt/rustwide/workdir/tasks/host-introspection)
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[INFO] [stderr]     Checking chat-server v0.1.0 (/opt/rustwide/workdir/tasks/chat-server)
[INFO] [stderr]     Checking carmichael-3-strong-pseudoprimes v0.1.0 (/opt/rustwide/workdir/tasks/carmichael-3-strong-pseudoprimes)
[INFO] [stderr]     Checking the-isaac-cipher v0.1.0 (/opt/rustwide/workdir/tasks/the-isaac-cipher)
[INFO] [stderr]     Checking string-interpolation-included v0.1.0 (/opt/rustwide/workdir/tasks/string-interpolation-included)
[INFO] [stderr]     Checking sierpinski-triangle v0.1.0 (/opt/rustwide/workdir/tasks/sierpinski-triangle)
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[INFO] [stderr]     Checking fasta-format v0.1.0 (/opt/rustwide/workdir/tasks/fasta-format)
[INFO] [stderr]     Checking mode v0.1.0 (/opt/rustwide/workdir/tasks/averages/mode)
[INFO] [stderr]     Checking input-loop v0.1.0 (/opt/rustwide/workdir/tasks/input-loop)
[INFO] [stderr]     Checking environment-variables v0.1.0 (/opt/rustwide/workdir/tasks/environment-variables)
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[INFO] [stderr]     Checking construct-from-rational-number v0.1.0 (/opt/rustwide/workdir/tasks/continued-fraction/arithmetic/construct-from-rational-number)
[INFO] [stderr]     Checking enforced-immutability v0.1.0 (/opt/rustwide/workdir/tasks/enforced-immutability)
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[INFO] [stderr]     Checking events v0.1.0 (/opt/rustwide/workdir/tasks/events)
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[INFO] [stderr]     Checking graphical v0.1.0 (/opt/rustwide/workdir/tasks/hello-world/graphical)
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[INFO] [stderr]     Checking newbie v0.1.0 (/opt/rustwide/workdir/tasks/hello-world/newbie)
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[INFO] [stderr]     Checking strip-characters-from-a-string v0.1.0 (/opt/rustwide/workdir/tasks/strip-characters-from-a-string)
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[INFO] [stderr]     Checking associative-array-iteration v0.1.0 (/opt/rustwide/workdir/tasks/associative-array/iteration)
[INFO] [stderr]     Checking vigenere-cipher v0.1.0 (/opt/rustwide/workdir/tasks/vigenere-cipher)
[INFO] [stderr]     Checking formatted-numeric-output v0.1.0 (/opt/rustwide/workdir/tasks/formatted-numeric-output)
[INFO] [stderr]     Checking apply-a-callback-to-an-array v0.1.0 (/opt/rustwide/workdir/tasks/apply-a-callback-to-an-array)
[INFO] [stderr]     Checking with-feedback-player v0.1.0 (/opt/rustwide/workdir/tasks/guess-the-number/with-feedback-player)
[INFO] [stderr]     Checking even-or-odd v0.1.0 (/opt/rustwide/workdir/tasks/even-or-odd)
[INFO] [stderr]     Checking binary-search v0.1.0 (/opt/rustwide/workdir/tasks/binary-search)
[INFO] [stderr]     Checking newline-omission v0.1.0 (/opt/rustwide/workdir/tasks/hello-world/newline-omission)
[INFO] [stderr]     Checking string-concatenation v0.1.0 (/opt/rustwide/workdir/tasks/string-concatenation)
[INFO] [stderr]     Checking factors-of-an-integer v0.1.0 (/opt/rustwide/workdir/tasks/factors-of-an-integer)
[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 boolean-values v0.1.0 (/opt/rustwide/workdir/tasks/boolean-values)
[INFO] [stderr]     Checking infinity v0.1.0 (/opt/rustwide/workdir/tasks/infinity)
[INFO] [stderr]     Checking anagrams v0.1.0 (/opt/rustwide/workdir/tasks/anagrams)
[INFO] [stderr]     Checking count-in-octal v0.1.0 (/opt/rustwide/workdir/tasks/count-in-octal)
[INFO] [stderr]     Checking enumerations v0.1.0 (/opt/rustwide/workdir/tasks/enumerations)
[INFO] [stderr]     Checking string-comparison v0.1.0 (/opt/rustwide/workdir/tasks/string-comparison)
[INFO] [stderr]     Checking rep-string v0.1.0 (/opt/rustwide/workdir/tasks/rep-string)
[INFO] [stderr]     Checking dijkstras-algorithm v0.1.0 (/opt/rustwide/workdir/tasks/dijkstras-algorithm)
[INFO] [stderr]     Checking fibonacci-sequence v0.1.0 (/opt/rustwide/workdir/tasks/fibonacci-sequence)
[INFO] [stderr]     Checking convert-seconds-to-compound-duration v0.1.0 (/opt/rustwide/workdir/tasks/convert-seconds-to-compound-duration)
[INFO] [stderr]     Checking aliquot-sequence-classifications v0.1.0 (/opt/rustwide/workdir/tasks/aliquot-sequence-classifications)
[INFO] [stderr]     Checking jaro-distance v0.1.0 (/opt/rustwide/workdir/tasks/jaro-distance)
[INFO] [stderr]     Checking decode v0.1.0 (/opt/rustwide/workdir/tasks/roman-numerals/decode)
[INFO] [stderr]     Checking hash-from-two-arrays v0.1.0 (/opt/rustwide/workdir/tasks/hash-from-two-arrays)
[INFO] [stderr]     Checking tree-traversal v0.1.0 (/opt/rustwide/workdir/tasks/tree-traversal)
[INFO] [stderr]     Checking zig-zag-matrix v0.1.0 (/opt/rustwide/workdir/tasks/zig-zag-matrix)
[INFO] [stderr]     Checking doubly-linked-list-element-insertion v0.1.0 (/opt/rustwide/workdir/tasks/doubly-linked-list/element-insertion)
[INFO] [stderr]     Checking sort-disjoint-sublist v0.1.0 (/opt/rustwide/workdir/tasks/sort-disjoint-sublist)
[INFO] [stderr]     Checking count-occurrences-of-a-substring v0.1.0 (/opt/rustwide/workdir/tasks/count-occurrences-of-a-substring)
[INFO] [stderr]     Checking character-codes v0.1.0 (/opt/rustwide/workdir/tasks/character-codes)
[INFO] [stderr]     Checking population-count v0.1.0 (/opt/rustwide/workdir/tasks/population-count)
[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 sequence-of-non-squares v0.1.0 (/opt/rustwide/workdir/tasks/sequence-of-non-squares)
[INFO] [stderr]     Checking execute-a-system-command v0.1.0 (/opt/rustwide/workdir/tasks/execute-a-system-command)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> tasks/tree-traversal/src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax, box_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking text v0.1.0 (/opt/rustwide/workdir/tasks/user-input/text)
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tree-traversal` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fc39f4da006fb3359ef326abb990466b395a1f5413fcf32cd2cb9ae543e4d746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc39f4da006fb3359ef326abb990466b395a1f5413fcf32cd2cb9ae543e4d746", kill_on_drop: false }`
[INFO] [stdout] fc39f4da006fb3359ef326abb990466b395a1f5413fcf32cd2cb9ae543e4d746
