[INFO] cloning repository https://github.com/xu-cheng/aoc19
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xu-cheng/aoc19" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxu-cheng%2Faoc19", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxu-cheng%2Faoc19'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b55cdb344682ec680a216c6529c6087dc445591e
[INFO] documenting xu-cheng/aoc19 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%2Fxu-cheng%2Faoc19" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xu-cheng/aoc19 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/xu-cheng/aoc19
[INFO] finished tweaking git repo https://github.com/xu-cheng/aoc19
[INFO] tweaked toml for git repo https://github.com/xu-cheng/aoc19 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/xu-cheng/aoc19 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indexmap v0.4.1
[INFO] [stderr]   Downloaded bytecount v0.6.0
[INFO] [stderr]   Downloaded priority-queue v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 362a92d671fc426933f2361d21ce20dcaa4ff1c6d23e4cf8b58882830239bb8a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "362a92d671fc426933f2361d21ce20dcaa4ff1c6d23e4cf8b58882830239bb8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "362a92d671fc426933f2361d21ce20dcaa4ff1c6d23e4cf8b58882830239bb8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "362a92d671fc426933f2361d21ce20dcaa4ff1c6d23e4cf8b58882830239bb8a", kill_on_drop: false }`
[INFO] [stdout] 362a92d671fc426933f2361d21ce20dcaa4ff1c6d23e4cf8b58882830239bb8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7f39090288dd3838321371038f243a412ec0a9de69ab47fda4b7009d509125d5
[INFO] running `Command { std: "docker" "start" "-a" "7f39090288dd3838321371038f243a412ec0a9de69ab47fda4b7009d509125d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.25
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking indexmap v0.4.1
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking priority-queue v0.6.0
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking aoc2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting aoc2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/bin/day18.rs:208:6
[INFO] [stdout]     |
[INFO] [stdout] 208 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `aoc2019`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day24 src/bin/day24.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d46f84cf545ab83c -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-a6846f129f8e3623.rmeta --extern aoc2019=/opt/rustwide/target/debug/deps/libaoc2019-f55d6e1aec4a4ac2.rmeta --extern bytecount=/opt/rustwide/target/debug/deps/libbytecount-861c014d77d7d927.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e5549dd9882595b3.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-891210a13928c051.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-0fee134ff3fc8849.rmeta --extern priority_queue=/opt/rustwide/target/debug/deps/libpriority_queue-501ea6a7c566aa75.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-ad67a126fc29a526.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 `aoc2019`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day25 src/bin/day25.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=bc72dbe7f871aeab -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-a6846f129f8e3623.rmeta --extern aoc2019=/opt/rustwide/target/debug/deps/libaoc2019-f55d6e1aec4a4ac2.rmeta --extern bytecount=/opt/rustwide/target/debug/deps/libbytecount-861c014d77d7d927.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e5549dd9882595b3.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-891210a13928c051.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-0fee134ff3fc8849.rmeta --extern priority_queue=/opt/rustwide/target/debug/deps/libpriority_queue-501ea6a7c566aa75.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-ad67a126fc29a526.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc2019`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day01 src/bin/day01.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4fc362d5a54ce9f6 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-a6846f129f8e3623.rmeta --extern aoc2019=/opt/rustwide/target/debug/deps/libaoc2019-f55d6e1aec4a4ac2.rmeta --extern bytecount=/opt/rustwide/target/debug/deps/libbytecount-861c014d77d7d927.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e5549dd9882595b3.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-891210a13928c051.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-0fee134ff3fc8849.rmeta --extern priority_queue=/opt/rustwide/target/debug/deps/libpriority_queue-501ea6a7c566aa75.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-ad67a126fc29a526.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc2019`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day04 src/bin/day04.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4ab53561228c0f58 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-a6846f129f8e3623.rmeta --extern aoc2019=/opt/rustwide/target/debug/deps/libaoc2019-f55d6e1aec4a4ac2.rmeta --extern bytecount=/opt/rustwide/target/debug/deps/libbytecount-861c014d77d7d927.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e5549dd9882595b3.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-891210a13928c051.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-0fee134ff3fc8849.rmeta --extern priority_queue=/opt/rustwide/target/debug/deps/libpriority_queue-501ea6a7c566aa75.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-ad67a126fc29a526.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc2019`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day18 src/bin/day18.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b8a8833163857d60 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-a6846f129f8e3623.rmeta --extern aoc2019=/opt/rustwide/target/debug/deps/libaoc2019-f55d6e1aec4a4ac2.rmeta --extern bytecount=/opt/rustwide/target/debug/deps/libbytecount-861c014d77d7d927.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e5549dd9882595b3.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-891210a13928c051.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-0fee134ff3fc8849.rmeta --extern priority_queue=/opt/rustwide/target/debug/deps/libpriority_queue-501ea6a7c566aa75.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-ad67a126fc29a526.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc2019`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day09 src/bin/day09.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=5c25cd686926bf18 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-a6846f129f8e3623.rmeta --extern aoc2019=/opt/rustwide/target/debug/deps/libaoc2019-f55d6e1aec4a4ac2.rmeta --extern bytecount=/opt/rustwide/target/debug/deps/libbytecount-861c014d77d7d927.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e5549dd9882595b3.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-891210a13928c051.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-0fee134ff3fc8849.rmeta --extern priority_queue=/opt/rustwide/target/debug/deps/libpriority_queue-501ea6a7c566aa75.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-ad67a126fc29a526.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc2019`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day10 src/bin/day10.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c46102cc745fdca3 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-a6846f129f8e3623.rmeta --extern aoc2019=/opt/rustwide/target/debug/deps/libaoc2019-f55d6e1aec4a4ac2.rmeta --extern bytecount=/opt/rustwide/target/debug/deps/libbytecount-861c014d77d7d927.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e5549dd9882595b3.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-891210a13928c051.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-0fee134ff3fc8849.rmeta --extern priority_queue=/opt/rustwide/target/debug/deps/libpriority_queue-501ea6a7c566aa75.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-ad67a126fc29a526.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "7f39090288dd3838321371038f243a412ec0a9de69ab47fda4b7009d509125d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f39090288dd3838321371038f243a412ec0a9de69ab47fda4b7009d509125d5", kill_on_drop: false }`
[INFO] [stdout] 7f39090288dd3838321371038f243a412ec0a9de69ab47fda4b7009d509125d5