[INFO] cloning repository https://github.com/sumomo-99/write-code-every-day
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sumomo-99/write-code-every-day" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsumomo-99%2Fwrite-code-every-day", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsumomo-99%2Fwrite-code-every-day'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a97a9a40b6f22649b660718f281ab4d5ab7db81
[INFO] documenting sumomo-99/write-code-every-day against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsumomo-99%2Fwrite-code-every-day" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sumomo-99/write-code-every-day on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sumomo-99/write-code-every-day
[INFO] finished tweaking git repo https://github.com/sumomo-99/write-code-every-day
[INFO] tweaked toml for git repo https://github.com/sumomo-99/write-code-every-day written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/sumomo-99/write-code-every-day already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.83
[INFO] [stderr]   Downloaded rust_decimal v1.20.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa2cf90cd8fe7990496a6774eb4152d1a7f12ed342fa0967319de4e4ec457361
[INFO] running `Command { std: "docker" "start" "-a" "fa2cf90cd8fe7990496a6774eb4152d1a7f12ed342fa0967319de4e4ec457361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa2cf90cd8fe7990496a6774eb4152d1a7f12ed342fa0967319de4e4ec457361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa2cf90cd8fe7990496a6774eb4152d1a7f12ed342fa0967319de4e4ec457361", kill_on_drop: false }`
[INFO] [stdout] fa2cf90cd8fe7990496a6774eb4152d1a7f12ed342fa0967319de4e4ec457361
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2585509dee620b87b819fb577957f8e5ede04fc627963aa494d1313102e17a3
[INFO] running `Command { std: "docker" "start" "-a" "a2585509dee620b87b819fb577957f8e5ede04fc627963aa494d1313102e17a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.83
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]  Documenting hello-world v0.1.0 (/opt/rustwide/workdir/hello-world)
[INFO] [stderr]  Documenting print-test-case v0.1.0 (/opt/rustwide/workdir/print-test-case)
[INFO] [stderr]  Documenting qq v0.1.0 (/opt/rustwide/workdir/qq)
[INFO] [stderr]  Documenting swapping-two-numbers v0.1.0 (/opt/rustwide/workdir/swapping-two-numbers)
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rust_decimal v1.20.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]  Documenting two-word-name v0.1.0 (/opt/rustwide/workdir/two-word-name)
[INFO] [stderr]  Documenting rectangle v0.1.0 (/opt/rustwide/workdir/rectangle)
[INFO] [stderr]  Documenting print-many-hello-world v0.1.0 (/opt/rustwide/workdir/print-many-hello-world)
[INFO] [stderr]  Documenting maximum-profit v0.1.0 (/opt/rustwide/workdir/maximum-profit)
[INFO] [stderr]  Documenting summation v0.1.0 (/opt/rustwide/workdir/summation)
[INFO] [stderr]  Documenting small-large-equal v0.1.0 (/opt/rustwide/workdir/small-large-equal)
[INFO] [stderr]  Documenting remove-string-spaces v0.1.0 (/opt/rustwide/workdir/remove-string-spaces)
[INFO] [stderr]  Documenting century-from-year v0.1.0 (/opt/rustwide/workdir/century-from-year)
[INFO] [stderr]  Documenting reversed-numbers v0.1.0 (/opt/rustwide/workdir/reversed-numbers)
[INFO] [stderr]  Documenting how-many-divisors v0.1.0 (/opt/rustwide/workdir/how-many-divisors)
[INFO] [stderr]  Documenting simple-calculator v0.1.0 (/opt/rustwide/workdir/simple-calculator)
[INFO] [stderr]  Documenting reversed-strings v0.1.0 (/opt/rustwide/workdir/reversed-strings)
[INFO] [stderr]  Documenting min-max-sum v0.1.0 (/opt/rustwide/workdir/min-max-sum)
[INFO] [stderr]  Documenting square-n-sum v0.1.0 (/opt/rustwide/workdir/square-n-sum)
[INFO] [stderr]  Documenting check-for-factor v0.1.0 (/opt/rustwide/workdir/check-for-factor)
[INFO] [stderr]  Documenting x-power v0.1.0 (/opt/rustwide/workdir/x-power)
[INFO] [stderr]  Documenting print-frame v0.1.0 (/opt/rustwide/workdir/print-frame)
[INFO] [stderr]  Documenting even-or-odd v0.1.0 (/opt/rustwide/workdir/even-or-odd)
[INFO] [stderr]  Documenting circle v0.1.0 (/opt/rustwide/workdir/circle)
[INFO] [stderr]  Documenting calculate-bmi v0.1.0 (/opt/rustwide/workdir/calculate-bmi)
[INFO] [stderr]  Documenting print-rectangle v0.1.0 (/opt/rustwide/workdir/print-rectangle)
[INFO] [stderr]  Documenting greatest-common-divisor v0.1.0 (/opt/rustwide/workdir/greatest-common-divisor)
[INFO] [stderr]  Documenting circle-in-a-rectangle v0.1.0 (/opt/rustwide/workdir/circle-in-a-rectangle)
[INFO] [stderr]  Documenting string-repeat v0.1.0 (/opt/rustwide/workdir/string-repeat)
[INFO] [stderr]  Documenting selection-sort v0.1.0 (/opt/rustwide/workdir/selection-sort)
[INFO] [stderr]  Documenting print-chessboard v0.1.0 (/opt/rustwide/workdir/print-chessboard)
[INFO] [stderr]  Documenting vowel-count v0.1.0 (/opt/rustwide/workdir/vowel-count)
[INFO] [stderr]  Documenting a-b-divide v0.1.0 (/opt/rustwide/workdir/a-b-divide)
[INFO] [stderr]  Documenting range v0.1.0 (/opt/rustwide/workdir/range)
[INFO] [stderr]  Documenting sorting-numbers v0.1.0 (/opt/rustwide/workdir/sorting-numbers)
[INFO] [stderr]  Documenting prime-numbers v0.1.0 (/opt/rustwide/workdir/prime-numbers)
[INFO] [stderr]  Documenting sum-of-positive v0.1.0 (/opt/rustwide/workdir/sum-of-positive)
[INFO] [stderr]  Documenting counting-sheeps v0.1.0 (/opt/rustwide/workdir/counting-sheeps)
[INFO] [stderr]  Documenting watch v0.1.0 (/opt/rustwide/workdir/watch)
[INFO] [stderr]  Documenting bubble-sort v0.1.0 (/opt/rustwide/workdir/bubble-sort)
[INFO] [stderr]  Documenting smallest v0.1.0 (/opt/rustwide/workdir/smallest)
[INFO] [stderr]  Documenting insert-sort v0.1.0 (/opt/rustwide/workdir/insert-sort)
[INFO] [stderr]  Documenting remove-first-and-last-character v0.1.0 (/opt/rustwide/workdir/remove-first-and-last-character)
[INFO] [stderr] error: could not document `two-word-name`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name two_word_name two-word-name/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c9ca07a51c0995b9 -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not document `small-large-equal`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name small_large_equal small-large-equal/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a8d4ec18572093bf -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `even-or-odd`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name even_or_odd even-or-odd/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=eda675a71608697e -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `reversed-strings`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name reversed_strings reversed-strings/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=59c5579aaf19d5d1 -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `print-rectangle`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name print_rectangle print-rectangle/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d4c53e2f65d6be36 -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `greatest-common-divisor`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name greatest_common_divisor greatest-common-divisor/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=88272269670c803a -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `how-many-divisors`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name how_many_divisors how-many-divisors/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6b0b6917694eb915 -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `maximum-profit`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name maximum_profit maximum-profit/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ab62dbcf2823584f -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `circle`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name circle circle/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3d64806150395ad8 -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `square-n-sum`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name square_n_sum square-n-sum/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=73133e09dd6c544d -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `calculate-bmi`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name calculate_bmi calculate-bmi/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=dcda55735beb7566 -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `simple-calculator`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name simple_calculator simple-calculator/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4a719d21ea7c31f2 -L dependency=/opt/rustwide/target/debug/deps --extern rust_decimal=/opt/rustwide/target/debug/deps/librust_decimal-116dad80d71c7ef1.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `print-many-hello-world`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name print_many_hello_world print-many-hello-world/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f9b90dd805831579 -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `summation`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name summation summation/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=cc97f5ebd15164c7 -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `rectangle`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name rectangle rectangle/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3771ab07f1f0d963 -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `min-max-sum`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name min_max_sum min-max-sum/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=89f7e5f71902ca1c -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `remove-string-spaces`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name remove_string_spaces remove-string-spaces/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8189894410f288b7 -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `reversed-numbers`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name reversed_numbers reversed-numbers/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8c74c482646d880b -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `century-from-year`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name century_from_year century-from-year/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ab994215f9cec6db -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `x-power`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name x_power x-power/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=418cef67efe5d91c -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `print-frame`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name print_frame print-frame/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a1e251f86fe4ed0c -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `sorting-numbers`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name sorting_numbers sorting-numbers/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=07f745af3d7c1bcb -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `bubble-sort`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name bubble_sort bubble-sort/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c218ddd99f976b85 -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `remove-first-and-last-character`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name remove_first_and_last_character remove-first-and-last-character/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=04f074426c777023 -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `counting-sheeps`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name counting_sheeps counting-sheeps/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2e69a2fe20d0b7ec -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `smallest`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name smallest smallest/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b0ceac26a2b279c0 -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `selection-sort`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name selection_sort selection-sort/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f08340961cb53af3 -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `range`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name range range/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9944b66fa6ca39f3 -L dependency=/opt/rustwide/target/debug/deps --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-d3f211d8185a7d45.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "a2585509dee620b87b819fb577957f8e5ede04fc627963aa494d1313102e17a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2585509dee620b87b819fb577957f8e5ede04fc627963aa494d1313102e17a3", kill_on_drop: false }`
[INFO] [stdout] a2585509dee620b87b819fb577957f8e5ede04fc627963aa494d1313102e17a3