[INFO] cloning repository https://github.com/sh0623k/coding_interview
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sh0623k/coding_interview" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsh0623k%2Fcoding_interview", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsh0623k%2Fcoding_interview'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad2a675ba51f91fb104e2272a58badfd5bfa77bc
[INFO] documenting sh0623k/coding_interview 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%2Fsh0623k%2Fcoding_interview" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sh0623k/coding_interview 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/sh0623k/coding_interview
[INFO] finished tweaking git repo https://github.com/sh0623k/coding_interview
[INFO] tweaked toml for git repo https://github.com/sh0623k/coding_interview written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/sh0623k/coding_interview already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 5a7f4d104dcc13185737876922ce77b2ac52ad45b557c8408987262b1603b23c
[INFO] running `Command { std: "docker" "start" "-a" "5a7f4d104dcc13185737876922ce77b2ac52ad45b557c8408987262b1603b23c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a7f4d104dcc13185737876922ce77b2ac52ad45b557c8408987262b1603b23c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a7f4d104dcc13185737876922ce77b2ac52ad45b557c8408987262b1603b23c", kill_on_drop: false }`
[INFO] [stdout] 5a7f4d104dcc13185737876922ce77b2ac52ad45b557c8408987262b1603b23c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] eb38d76eb6f5e5b82bbc5d765bba4adaba2aeb806609c07000e2c8cc393c5cb8
[INFO] running `Command { std: "docker" "start" "-a" "eb38d76eb6f5e5b82bbc5d765bba4adaba2aeb806609c07000e2c8cc393c5cb8", kill_on_drop: false }`
[INFO] [stderr]  Documenting coding_interview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking coding_interview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/linked_list.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 &node.borrow_mut().remove();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 let _ = &node.borrow_mut().remove();
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch03p06 src/bin/ch03p06.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=22997fd8f7755ca0 -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.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 `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch07p01 src/bin/ch07p01.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=49aba987ef8366e7 -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch05p04 src/bin/ch05p04.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=a66e0f754fd3f3d7 -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch02p04 src/bin/ch02p04.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=eccaad902bbe9693 -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch05p08 src/bin/ch05p08.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=9ef14665afd9ba47 -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch01p09 src/bin/ch01p09.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=1e1731e231ab99b1 -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch03p04 src/bin/ch03p04.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=c42aa3b1a82787ba -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch03p02 src/bin/ch03p02.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=7fd6966bfea99013 -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch08p03 src/bin/ch08p03.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=a637836b080f9b6a -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch01p07 src/bin/ch01p07.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=9e980c29d0352379 -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch02p01 src/bin/ch02p01.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=0ae287b7196cd806 -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch02p05 src/bin/ch02p05.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=985f3e2623c44832 -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch03p05 src/bin/ch03p05.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=2b85e68882588847 -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch10p01 src/bin/ch10p01.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=18d29b628b403108 -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch08p12 src/bin/ch08p12.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=78bcdc1d186c571a -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch05p02 src/bin/ch05p02.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=e82c43ef237243f5 -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch02p08 src/bin/ch02p08.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=11f2ff1f4dbaa3b9 -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch01p06 src/bin/ch01p06.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=ceaa9b96bfabcdb2 -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch01p01 src/bin/ch01p01.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=5d81b2172b6236b2 -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch02p06 src/bin/ch02p06.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=93baddebd6b7ddd7 -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch05p07 src/bin/ch05p07.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=d1ab98f391eaf377 -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch04p06 src/bin/ch04p06.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=7242914df750f14b -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch04p05 src/bin/ch04p05.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=7ac6aabab4dae08b -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch04p03 src/bin/ch04p03.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=fd7795286bca436a -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch01p05 src/bin/ch01p05.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=bc18bb3b212aae30 -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch01p03 src/bin/ch01p03.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=e4622e9a6eac04e9 -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch02p07 src/bin/ch02p07.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=4847eb69ad41b338 -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch01p08 src/bin/ch01p08.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=da20f0d6fbf94e6c -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch08p01 src/bin/ch08p01.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=7e76fd0bad987810 -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch02p02 src/bin/ch02p02.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=01f8fe98eed0fb08 -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch02p03 src/bin/ch02p03.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=969873f0c5b4662a -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch04p04 src/bin/ch04p04.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=43d991079add066d -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `coding_interview`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ch07p02 src/bin/ch07p02.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=b8e228c908132c60 -L dependency=/opt/rustwide/target/debug/deps --extern coding_interview=/opt/rustwide/target/debug/deps/libcoding_interview-b56757bfa313f5a5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "eb38d76eb6f5e5b82bbc5d765bba4adaba2aeb806609c07000e2c8cc393c5cb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb38d76eb6f5e5b82bbc5d765bba4adaba2aeb806609c07000e2c8cc393c5cb8", kill_on_drop: false }`
[INFO] [stdout] eb38d76eb6f5e5b82bbc5d765bba4adaba2aeb806609c07000e2c8cc393c5cb8