[INFO] cloning repository https://github.com/sinnerschrader/rust-exercism-cubicle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sinnerschrader/rust-exercism-cubicle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinnerschrader%2Frust-exercism-cubicle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinnerschrader%2Frust-exercism-cubicle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7206a04271a81f758533b7431ae38a0466340ca7
[INFO] documenting sinnerschrader/rust-exercism-cubicle against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinnerschrader%2Frust-exercism-cubicle" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sinnerschrader/rust-exercism-cubicle on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sinnerschrader/rust-exercism-cubicle
[INFO] finished tweaking git repo https://github.com/sinnerschrader/rust-exercism-cubicle
[INFO] tweaked toml for git repo https://github.com/sinnerschrader/rust-exercism-cubicle written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/sinnerschrader/rust-exercism-cubicle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 2e2d66cdb8f64941bc2ad6b943f1db43d774fabed23598dcfb0bfb4ce818eb85
[INFO] running `Command { std: "docker" "start" "-a" "2e2d66cdb8f64941bc2ad6b943f1db43d774fabed23598dcfb0bfb4ce818eb85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e2d66cdb8f64941bc2ad6b943f1db43d774fabed23598dcfb0bfb4ce818eb85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e2d66cdb8f64941bc2ad6b943f1db43d774fabed23598dcfb0bfb4ce818eb85", kill_on_drop: false }`
[INFO] [stdout] 2e2d66cdb8f64941bc2ad6b943f1db43d774fabed23598dcfb0bfb4ce818eb85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] 8759b8172f8f46836a9ae771a2e12fe5f0707e91f77613729fb22f6831570e13
[INFO] running `Command { std: "docker" "start" "-a" "8759b8172f8f46836a9ae771a2e12fe5f0707e91f77613729fb22f6831570e13", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling cc v1.0.32
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]  Documenting robot-name v0.0.0 (/opt/rustwide/workdir/exercises/robot-name)
[INFO] [stderr]  Documenting poker v1.1.0 (/opt/rustwide/workdir/exercises/poker)
[INFO] [stderr]  Documenting protein-translation v0.1.0 (/opt/rustwide/workdir/exercises/protein-translation)
[INFO] [stderr]  Documenting custom-set v1.0.1 (/opt/rustwide/workdir/exercises/custom-set)
[INFO] [stderr]  Documenting rna-transcription v1.0.0 (/opt/rustwide/workdir/exercises/rna-transcription)
[INFO] [stderr]  Documenting accumulate v0.0.0 (/opt/rustwide/workdir/exercises/accumulate)
[INFO] [stderr]  Documenting acronym v1.0.0 (/opt/rustwide/workdir/exercises/acronym)
[INFO] [stderr]  Documenting minesweeper v1.1.0 (/opt/rustwide/workdir/exercises/minesweeper)
[INFO] [stderr]  Documenting simple_linked_list v0.1.0 (/opt/rustwide/workdir/exercises/simple-linked-list)
[INFO] [stdout] warning: type `BASE_TYPE` should have an upper camel case name
[INFO] [stdout]  --> exercises/rna-transcription/src/lib.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum BASE_TYPE {
[INFO] [stdout]   |      ^^^^^^^^^ help: convert the identifier to upper camel case: `BaseType`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting hexadecimal v0.0.0 (/opt/rustwide/workdir/exercises/hexadecimal)
[INFO] [stderr]  Documenting tournament v1.4.0 (/opt/rustwide/workdir/exercises/tournament)
[INFO] [stderr]  Documenting roman-numerals v1.0.0 (/opt/rustwide/workdir/exercises/roman-numerals)
[INFO] [stderr]  Documenting palindrome-products v1.1.0 (/opt/rustwide/workdir/exercises/palindrome-products)
[INFO] [stderr]  Documenting grade-school v0.0.0 (/opt/rustwide/workdir/exercises/grade-school)
[INFO] [stderr]  Documenting bracket-push v1.5.0 (/opt/rustwide/workdir/exercises/bracket-push)
[INFO] [stderr]  Documenting armstrong_numbers v1.0.0 (/opt/rustwide/workdir/exercises/armstrong-numbers)
[INFO] [stderr]  Documenting bob v1.4.0 (/opt/rustwide/workdir/exercises/bob)
[INFO] [stderr]  Documenting scale_generator v2.0.0 (/opt/rustwide/workdir/exercises/scale-generator)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting largest-series-product v1.2.0 (/opt/rustwide/workdir/exercises/largest-series-product)
[INFO] [stderr]  Documenting dominoes v2.1.0 (/opt/rustwide/workdir/exercises/dominoes)
[INFO] [stderr]  Documenting pig-latin v1.0.0 (/opt/rustwide/workdir/exercises/pig-latin)
[INFO] [stderr]  Documenting rectangles v1.1.0 (/opt/rustwide/workdir/exercises/rectangles)
[INFO] [stderr]  Documenting triangle v0.0.0 (/opt/rustwide/workdir/exercises/triangle)
[INFO] [stderr]  Documenting twofer v1.2.0 (/opt/rustwide/workdir/exercises/two-fer)
[INFO] [stderr]  Documenting allyourbase v1.0.0 (/opt/rustwide/workdir/exercises/all-your-base)
[INFO] [stderr]  Documenting paasio v0.0.0 (/opt/rustwide/workdir/exercises/paasio)
[INFO] [stderr]  Documenting prime_factors v1.1.0 (/opt/rustwide/workdir/exercises/prime-factors)
[INFO] [stderr]  Documenting perfect_numbers v1.1.0 (/opt/rustwide/workdir/exercises/perfect-numbers)
[INFO] [stderr]  Documenting collatz_conjecture v1.2.1 (/opt/rustwide/workdir/exercises/collatz-conjecture)
[INFO] [stderr]  Documenting word-count v1.2.0 (/opt/rustwide/workdir/exercises/word-count)
[INFO] [stderr]  Documenting isbn-verifier v2.7.0 (/opt/rustwide/workdir/exercises/isbn-verifier)
[INFO] [stderr]  Documenting difference-of-squares v1.2.0 (/opt/rustwide/workdir/exercises/difference-of-squares)
[INFO] [stderr]  Documenting space-age v1.1.0 (/opt/rustwide/workdir/exercises/space-age)
[INFO] [stderr]  Documenting luhn-trait v0.0.0 (/opt/rustwide/workdir/exercises/luhn-trait)
[INFO] [stderr]  Documenting run-length-encoding v1.1.0 (/opt/rustwide/workdir/exercises/run-length-encoding)
[INFO] [stderr]  Documenting isogram v1.3.0 (/opt/rustwide/workdir/exercises/isogram)
[INFO] [stderr]  Documenting hamming v2.2.0 (/opt/rustwide/workdir/exercises/hamming)
[INFO] [stderr]  Documenting diamond v1.1.0 (/opt/rustwide/workdir/exercises/diamond)
[INFO] [stderr]  Documenting react v2.0.0 (/opt/rustwide/workdir/exercises/react)
[INFO] [stderr]  Documenting atbash-cipher v1.1.0 (/opt/rustwide/workdir/exercises/atbash-cipher)
[INFO] [stderr]  Documenting luhn-from v0.0.0 (/opt/rustwide/workdir/exercises/luhn-from)
[INFO] [stderr]  Documenting say v1.2.0 (/opt/rustwide/workdir/exercises/say)
[INFO] [stderr]  Documenting raindrops v1.1.0 (/opt/rustwide/workdir/exercises/raindrops)
[INFO] [stderr]  Documenting pythagorean_triplet v1.0.0 (/opt/rustwide/workdir/exercises/pythagorean-triplet)
[INFO] [stderr]  Documenting circular-buffer v1.1.0 (/opt/rustwide/workdir/exercises/circular-buffer)
[INFO] [stderr]  Documenting hello-world v1.1.0 (/opt/rustwide/workdir/exercises/hello-world)
[INFO] [stderr]  Documenting crypto-square v0.1.0 (/opt/rustwide/workdir/exercises/crypto-square)
[INFO] [stderr]  Documenting rail_fence_cipher v1.1.0 (/opt/rustwide/workdir/exercises/rail-fence-cipher)
[INFO] [stderr]  Documenting sum-of-multiples v1.5.0 (/opt/rustwide/workdir/exercises/sum-of-multiples)
[INFO] [stderr]  Documenting clock v2.4.0 (/opt/rustwide/workdir/exercises/clock)
[INFO] [stderr]  Documenting robot-simulator v2.2.0 (/opt/rustwide/workdir/exercises/robot-simulator)
[INFO] [stderr]  Documenting saddle-points v1.3.0 (/opt/rustwide/workdir/exercises/saddle-points)
[INFO] [stderr]  Documenting allergies v1.1.0 (/opt/rustwide/workdir/exercises/allergies)
[INFO] [stderr]  Documenting sublist v0.0.0 (/opt/rustwide/workdir/exercises/sublist)
[INFO] [stderr]  Documenting nucleotide-count v1.3.0 (/opt/rustwide/workdir/exercises/nucleotide-count)
[INFO] [stderr]  Documenting two-bucket v1.4.0 (/opt/rustwide/workdir/exercises/two-bucket)
[INFO] [stderr]  Documenting forth v1.7.0 (/opt/rustwide/workdir/exercises/forth)
[INFO] [stderr]  Documenting nth_prime v2.1.0 (/opt/rustwide/workdir/exercises/nth-prime)
[INFO] [stderr]  Documenting binary-search v1.3.0 (/opt/rustwide/workdir/exercises/binary-search)
[INFO] [stderr]  Documenting pangram v0.0.0 (/opt/rustwide/workdir/exercises/pangram)
[INFO] [stderr]  Documenting macros v0.1.0 (/opt/rustwide/workdir/exercises/macros)
[INFO] [stderr]  Documenting diffie-hellman v0.1.0 (/opt/rustwide/workdir/exercises/diffie-hellman)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> exercises/nth-prime/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting luhn v1.3.0 (/opt/rustwide/workdir/exercises/luhn)
[INFO] [stderr]  Documenting anagram v0.0.0 (/opt/rustwide/workdir/exercises/anagram)
[INFO] [stderr]  Documenting variable-length-quantity v1.2.0 (/opt/rustwide/workdir/exercises/variable-length-quantity)
[INFO] [stderr]  Documenting scrabble-score v1.1.0 (/opt/rustwide/workdir/exercises/scrabble-score)
[INFO] [stderr]  Documenting decimal v0.1.0 (/opt/rustwide/workdir/exercises/decimal)
[INFO] [stderr]  Documenting book_store v1.3.0 (/opt/rustwide/workdir/exercises/book-store)
[INFO] [stderr]  Documenting etl v1.0.0 (/opt/rustwide/workdir/exercises/etl)
[INFO] [stderr]  Documenting alphametics v1.3.0 (/opt/rustwide/workdir/exercises/alphametics)
[INFO] [stderr]  Documenting proverb v1.1.0 (/opt/rustwide/workdir/exercises/proverb)
[INFO] [stderr]  Documenting reverse_string v1.1.0 (/opt/rustwide/workdir/exercises/reverse-string)
[INFO] [stderr]  Documenting series v0.1.0 (/opt/rustwide/workdir/exercises/series)
[INFO] [stderr]  Documenting rotational-cipher v1.0.0 (/opt/rustwide/workdir/exercises/rotational-cipher)
[INFO] [stderr]  Documenting pascals-triangle v1.5.0 (/opt/rustwide/workdir/exercises/pascals-triangle)
[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]  Documenting parallel-letter-frequency v0.0.0 (/opt/rustwide/workdir/exercises/parallel-letter-frequency)
[INFO] [stderr] error: could not document `nth_prime`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name nth_prime exercises/nth-prime/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f0d49dca23a3c781 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 2.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8759b8172f8f46836a9ae771a2e12fe5f0707e91f77613729fb22f6831570e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8759b8172f8f46836a9ae771a2e12fe5f0707e91f77613729fb22f6831570e13", kill_on_drop: false }`
[INFO] [stdout] 8759b8172f8f46836a9ae771a2e12fe5f0707e91f77613729fb22f6831570e13