[INFO] cloning repository https://github.com/okaponta/ant-book-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/okaponta/ant-book-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fokaponta%2Fant-book-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fokaponta%2Fant-book-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1aa983c48830c8deb745e94873ab975f667fba0b
[INFO] documenting okaponta/ant-book-rust 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%2Fokaponta%2Fant-book-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/okaponta/ant-book-rust 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/okaponta/ant-book-rust
[INFO] finished tweaking git repo https://github.com/okaponta/ant-book-rust
[INFO] tweaked toml for git repo https://github.com/okaponta/ant-book-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/okaponta/ant-book-rust 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]  Downloading crates ...
[INFO] [stderr]   Downloaded superslice v1.0.0
[INFO] [stderr]   Downloaded proconio-derive v0.2.1
[INFO] [stderr]   Downloaded proconio v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 5a7edc5a318a53655cbb818ece0135344cb810d77b4f7c44b7aaf27741a13d0b
[INFO] running `Command { std: "docker" "start" "-a" "5a7edc5a318a53655cbb818ece0135344cb810d77b4f7c44b7aaf27741a13d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a7edc5a318a53655cbb818ece0135344cb810d77b4f7c44b7aaf27741a13d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a7edc5a318a53655cbb818ece0135344cb810d77b4f7c44b7aaf27741a13d0b", kill_on_drop: false }`
[INFO] [stdout] 5a7edc5a318a53655cbb818ece0135344cb810d77b4f7c44b7aaf27741a13d0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 16bdac9dd6ab6fa3fcd72c4b752b9375ed00d3b4d30d790dee6da9302c9ab85a
[INFO] running `Command { std: "docker" "start" "-a" "16bdac9dd6ab6fa3fcd72c4b752b9375ed00d3b4d30d790dee6da9302c9ab85a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking fixedbitset v0.4.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking petgraph v0.6.0
[INFO] [stderr]    Compiling proconio-derive v0.2.1
[INFO] [stderr]     Checking proconio v0.4.3
[INFO] [stderr]  Documenting ant-book-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 2_3f src/bin/2-3f-division-num.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d3edadd0906ad305 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.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 `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 3_5b src/bin/3-5b-bipartite-matching.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e2f3d6f748336c27 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 2_1a src/bin/2-1a-bubunwa.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=41e1f0ae9e9c09e1 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 2_1b src/bin/2-1b-lake-counting.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c126ffba97f7347f -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 3_2b src/bin/3-2b-jessicas-reading.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c2446c9caa88a05b -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 2_4b src/bin/2-4b-food-chain.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c7294de755f0e11b -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 2_3b src/bin/2-3b-lcs.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a4598f4b588984bf -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 2_6a src/bin/2-6a-gcd.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3e314c272a090556 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 2_2d src/bin/2-2d-saruans-army.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=09a9d706256e8b24 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 2_3g src/bin/2-3g-duplicate-combination.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=5a5a83e6d04dfc21 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 2_3c src/bin/2-3c-knapsack-unlimited.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c77df1d4c11cec03 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 3_1c src/bin/3-1c-aggressive-cows.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=907a569f070ec17a -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 2_6e src/bin/2-6e-carmichael.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=7e673a8e60d5ddbb -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 2_6c src/bin/2-6c-eratosthenes.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=27add5d692107afe -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 2_1c src/bin/2-1c-maze.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=055dcd6cdf0b5d11 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 2_5a src/bin/2-5a-bipartite-judge.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=db7a353c6517f525 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 2_3e_lis_sub src/bin/2-3e-lis-sub.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3b0952502cdf7935 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 3_1b src/bin/3-1b-cable-master.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3a7b2958be109f5f -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 1_6a src/bin/1-6a-triangle.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0771a78e4f9a3781 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 2_2e src/bin/2-2e-fence-repair.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=883704f8dc2d792f -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 3_2c src/bin/3-2c-face-the-right-way.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1bb244237016ef53 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 3_1d src/bin/3-1d-average-max.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ade3f1129e66dee1 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 3_1a src/bin/3-1a-lower-bound.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6dc17427fce49833 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 3_5c src/bin/3-5c-min-cost-flow.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a54cbf3352694f44 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 2_5b src/bin/2-5b-roadblocks.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=10b728e8b508a89c -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 2_3a src/bin/2-3a-knapsack.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e669e1ed33a59133 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 1_6c src/bin/1-6c-kujibiki.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f02e927ea6fa0fa1 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 1_6b src/bin/1-6b-ants.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=5d5796a857a71ebc -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 2_3d src/bin/2-3d-knapsack2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b942b0c9edadeb33 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 2_5d src/bin/2-5d-layout.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0a6a355c2181d5f9 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 3_5a src/bin/3-5a-max-flow.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4041572c48ba0ec0 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ant-book-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 2_6d src/bin/2-6d-seg-eratosthenes.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2ef0e301c88a2fe8 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-872e684794ba5680.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-b29ea48ed98f1ff4.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bfc9ca156f757bfd.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-8261aa029954ddf1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "16bdac9dd6ab6fa3fcd72c4b752b9375ed00d3b4d30d790dee6da9302c9ab85a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16bdac9dd6ab6fa3fcd72c4b752b9375ed00d3b4d30d790dee6da9302c9ab85a", kill_on_drop: false }`
[INFO] [stdout] 16bdac9dd6ab6fa3fcd72c4b752b9375ed00d3b4d30d790dee6da9302c9ab85a