[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 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%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 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/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" "+beta-2022-05-20" "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] 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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc452868b18994867701bcef6475c2d593ebc9564fc07128d89ce0cedefd3942
[INFO] running `Command { std: "docker" "start" "-a" "dc452868b18994867701bcef6475c2d593ebc9564fc07128d89ce0cedefd3942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc452868b18994867701bcef6475c2d593ebc9564fc07128d89ce0cedefd3942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc452868b18994867701bcef6475c2d593ebc9564fc07128d89ce0cedefd3942", kill_on_drop: false }`
[INFO] [stdout] dc452868b18994867701bcef6475c2d593ebc9564fc07128d89ce0cedefd3942
[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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 730fe246fa1f9d14c0e00907c442cb1c60e16f6c0bae85c140fae08b72cbdbaa
[INFO] running `Command { std: "docker" "start" "-a" "730fe246fa1f9d14c0e00907c442cb1c60e16f6c0bae85c140fae08b72cbdbaa", 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 fixedbitset v0.4.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[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 3_2d src/bin/3-2d-fliptile.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=5768154d7ca3dded -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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 2_2a src/bin/2-2a-coin.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=328a65dfa838eb73 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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 '-Arustdoc::private-intra-doc-links' -C metadata=906cb8d21d205751 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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_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 '-Arustdoc::private-intra-doc-links' -C metadata=61dad67e9e3fa7ac -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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 '-Arustdoc::private-intra-doc-links' -C metadata=f7e8aef1c8cf7015 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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 '-Arustdoc::private-intra-doc-links' -C metadata=ce425409aeb59d4e -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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 '-Arustdoc::private-intra-doc-links' -C metadata=75f0310f2ea4ec39 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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 '-Arustdoc::private-intra-doc-links' -C metadata=7341d4324f499dec -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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 '-Arustdoc::private-intra-doc-links' -C metadata=6703b9d2ca33ef47 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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 '-Arustdoc::private-intra-doc-links' -C metadata=be94c78c577558b9 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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_2b src/bin/2-2b-kukan-scheduling.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=e5d0e6fff723a06f -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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 '-Arustdoc::private-intra-doc-links' -C metadata=7ca77f7b522e2894 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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 '-Arustdoc::private-intra-doc-links' -C metadata=62b08d4998621594 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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 '-Arustdoc::private-intra-doc-links' -C metadata=a723efe650bb6b8d -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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_5c src/bin/2-5c-conscription.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=30e4c2c022b75561 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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 '-Arustdoc::private-intra-doc-links' -C metadata=8128c67806ba7f50 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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 '-Arustdoc::private-intra-doc-links' -C metadata=c68c7931eb90a969 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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_6b src/bin/2-6b-extend-gcd.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=dd2a474a24089597 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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 '-Arustdoc::private-intra-doc-links' -C metadata=a7f2ee2e47e9d860 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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 '-Arustdoc::private-intra-doc-links' -C metadata=bec037622ae5d806 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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 '-Arustdoc::private-intra-doc-links' -C metadata=aab843a0dc0fba98 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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 '-Arustdoc::private-intra-doc-links' -C metadata=668a1b61d70053c0 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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_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 '-Arustdoc::private-intra-doc-links' -C metadata=b01578d323f31a6f -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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_2c src/bin/2-2c-best-cow-line.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=8299e6a6ae8058d9 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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 '-Arustdoc::private-intra-doc-links' -C metadata=99e2f20bd3c54af8 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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 '-Arustdoc::private-intra-doc-links' -C metadata=9e3e07ef133adfc8 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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 '-Arustdoc::private-intra-doc-links' -C metadata=72454e1eadbdf4c8 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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_2a src/bin/3-2a-subsequence.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=8b58a2a173ee9f9a -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.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 '-Arustdoc::private-intra-doc-links' -C metadata=e14348b98334e931 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-97b7d175fde6135a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7cbea16abaf93cbe.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-9a7820f850c7d9c2.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-f41c965712201264.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "730fe246fa1f9d14c0e00907c442cb1c60e16f6c0bae85c140fae08b72cbdbaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "730fe246fa1f9d14c0e00907c442cb1c60e16f6c0bae85c140fae08b72cbdbaa", kill_on_drop: false }`
[INFO] [stdout] 730fe246fa1f9d14c0e00907c442cb1c60e16f6c0bae85c140fae08b72cbdbaa