[INFO] cloning repository https://github.com/glurbi/adventofcode2017
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/glurbi/adventofcode2017" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglurbi%2Fadventofcode2017", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglurbi%2Fadventofcode2017'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d411b28c3decfd5e0929c1827859813638f74a4b
[INFO] documenting glurbi/adventofcode2017 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%2Fglurbi%2Fadventofcode2017" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/glurbi/adventofcode2017 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/glurbi/adventofcode2017
[INFO] finished tweaking git repo https://github.com/glurbi/adventofcode2017
[INFO] tweaked toml for git repo https://github.com/glurbi/adventofcode2017 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/glurbi/adventofcode2017 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 memchr v2.0.1
[INFO] [stderr]   Downloaded syn v0.11.11
[INFO] [stderr]   Downloaded quote v0.3.15
[INFO] [stderr]   Downloaded synom v0.11.3
[INFO] [stderr]   Downloaded regex v1.0.2
[INFO] [stderr]   Downloaded unicode-xid v0.0.4
[INFO] [stderr]   Downloaded pest v1.0.6
[INFO] [stderr]   Downloaded pest_derive v1.0.8
[INFO] [stderr]   Downloaded aho-corasick v0.6.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] f5f42627f5d7a72f236826af19a035031662f554f80598fca031a350d72eea8e
[INFO] running `Command { std: "docker" "start" "-a" "f5f42627f5d7a72f236826af19a035031662f554f80598fca031a350d72eea8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5f42627f5d7a72f236826af19a035031662f554f80598fca031a350d72eea8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5f42627f5d7a72f236826af19a035031662f554f80598fca031a350d72eea8e", kill_on_drop: false }`
[INFO] [stdout] f5f42627f5d7a72f236826af19a035031662f554f80598fca031a350d72eea8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e7d5419814b127bb2646616bef8072cb9eab0ab63a56ce2fa4ac93f827746666
[INFO] running `Command { std: "docker" "start" "-a" "e7d5419814b127bb2646616bef8072cb9eab0ab63a56ce2fa4ac93f827746666", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]  Documenting advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `advent`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day19 src/bin/day19.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=33d573387bd631ee -L dependency=/opt/rustwide/target/debug/deps --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-9760945a62ce09b5.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-f62a8e39377ff0b9.rmeta --extern pest=/opt/rustwide/target/debug/deps/libpest-a4e6e9c194c2f4d2.rmeta --extern pest_derive=/opt/rustwide/target/debug/deps/libpest_derive-779e978e24bb91f2.so --extern regex=/opt/rustwide/target/debug/deps/libregex-83778eec77be8719.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 `advent`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day22 src/bin/day22.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=7e54ff2308978ddf -L dependency=/opt/rustwide/target/debug/deps --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-9760945a62ce09b5.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-f62a8e39377ff0b9.rmeta --extern pest=/opt/rustwide/target/debug/deps/libpest-a4e6e9c194c2f4d2.rmeta --extern pest_derive=/opt/rustwide/target/debug/deps/libpest_derive-779e978e24bb91f2.so --extern regex=/opt/rustwide/target/debug/deps/libregex-83778eec77be8719.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day14 src/bin/day14.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2286b5575e537956 -L dependency=/opt/rustwide/target/debug/deps --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-9760945a62ce09b5.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-f62a8e39377ff0b9.rmeta --extern pest=/opt/rustwide/target/debug/deps/libpest-a4e6e9c194c2f4d2.rmeta --extern pest_derive=/opt/rustwide/target/debug/deps/libpest_derive-779e978e24bb91f2.so --extern regex=/opt/rustwide/target/debug/deps/libregex-83778eec77be8719.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --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=d2c09938618c2b68 -L dependency=/opt/rustwide/target/debug/deps --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-9760945a62ce09b5.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-f62a8e39377ff0b9.rmeta --extern pest=/opt/rustwide/target/debug/deps/libpest-a4e6e9c194c2f4d2.rmeta --extern pest_derive=/opt/rustwide/target/debug/deps/libpest_derive-779e978e24bb91f2.so --extern regex=/opt/rustwide/target/debug/deps/libregex-83778eec77be8719.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day20 src/bin/day20.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=763028158364b98f -L dependency=/opt/rustwide/target/debug/deps --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-9760945a62ce09b5.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-f62a8e39377ff0b9.rmeta --extern pest=/opt/rustwide/target/debug/deps/libpest-a4e6e9c194c2f4d2.rmeta --extern pest_derive=/opt/rustwide/target/debug/deps/libpest_derive-779e978e24bb91f2.so --extern regex=/opt/rustwide/target/debug/deps/libregex-83778eec77be8719.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day16 src/bin/day16.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a87ea6ad74973f63 -L dependency=/opt/rustwide/target/debug/deps --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-9760945a62ce09b5.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-f62a8e39377ff0b9.rmeta --extern pest=/opt/rustwide/target/debug/deps/libpest-a4e6e9c194c2f4d2.rmeta --extern pest_derive=/opt/rustwide/target/debug/deps/libpest_derive-779e978e24bb91f2.so --extern regex=/opt/rustwide/target/debug/deps/libregex-83778eec77be8719.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day8 src/bin/day8.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=aed7f118dee00a1b -L dependency=/opt/rustwide/target/debug/deps --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-9760945a62ce09b5.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-f62a8e39377ff0b9.rmeta --extern pest=/opt/rustwide/target/debug/deps/libpest-a4e6e9c194c2f4d2.rmeta --extern pest_derive=/opt/rustwide/target/debug/deps/libpest_derive-779e978e24bb91f2.so --extern regex=/opt/rustwide/target/debug/deps/libregex-83778eec77be8719.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day13 src/bin/day13.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=14fba16723733c97 -L dependency=/opt/rustwide/target/debug/deps --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-9760945a62ce09b5.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-f62a8e39377ff0b9.rmeta --extern pest=/opt/rustwide/target/debug/deps/libpest-a4e6e9c194c2f4d2.rmeta --extern pest_derive=/opt/rustwide/target/debug/deps/libpest_derive-779e978e24bb91f2.so --extern regex=/opt/rustwide/target/debug/deps/libregex-83778eec77be8719.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day23 src/bin/day23.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=92b7bf45e3dcff78 -L dependency=/opt/rustwide/target/debug/deps --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-9760945a62ce09b5.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-f62a8e39377ff0b9.rmeta --extern pest=/opt/rustwide/target/debug/deps/libpest-a4e6e9c194c2f4d2.rmeta --extern pest_derive=/opt/rustwide/target/debug/deps/libpest_derive-779e978e24bb91f2.so --extern regex=/opt/rustwide/target/debug/deps/libregex-83778eec77be8719.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day15 src/bin/day15.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=883d1d8ff7083aed -L dependency=/opt/rustwide/target/debug/deps --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-9760945a62ce09b5.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-f62a8e39377ff0b9.rmeta --extern pest=/opt/rustwide/target/debug/deps/libpest-a4e6e9c194c2f4d2.rmeta --extern pest_derive=/opt/rustwide/target/debug/deps/libpest_derive-779e978e24bb91f2.so --extern regex=/opt/rustwide/target/debug/deps/libregex-83778eec77be8719.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day7 src/bin/day7.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=aabcae7d11ade408 -L dependency=/opt/rustwide/target/debug/deps --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-9760945a62ce09b5.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-f62a8e39377ff0b9.rmeta --extern pest=/opt/rustwide/target/debug/deps/libpest-a4e6e9c194c2f4d2.rmeta --extern pest_derive=/opt/rustwide/target/debug/deps/libpest_derive-779e978e24bb91f2.so --extern regex=/opt/rustwide/target/debug/deps/libregex-83778eec77be8719.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day9 src/bin/day9.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b039698ec5060dd9 -L dependency=/opt/rustwide/target/debug/deps --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-9760945a62ce09b5.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-f62a8e39377ff0b9.rmeta --extern pest=/opt/rustwide/target/debug/deps/libpest-a4e6e9c194c2f4d2.rmeta --extern pest_derive=/opt/rustwide/target/debug/deps/libpest_derive-779e978e24bb91f2.so --extern regex=/opt/rustwide/target/debug/deps/libregex-83778eec77be8719.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day21 src/bin/day21.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8a8ad569e3240306 -L dependency=/opt/rustwide/target/debug/deps --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-9760945a62ce09b5.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-f62a8e39377ff0b9.rmeta --extern pest=/opt/rustwide/target/debug/deps/libpest-a4e6e9c194c2f4d2.rmeta --extern pest_derive=/opt/rustwide/target/debug/deps/libpest_derive-779e978e24bb91f2.so --extern regex=/opt/rustwide/target/debug/deps/libregex-83778eec77be8719.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day11 src/bin/day11.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=05bff965e58fd540 -L dependency=/opt/rustwide/target/debug/deps --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-9760945a62ce09b5.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-f62a8e39377ff0b9.rmeta --extern pest=/opt/rustwide/target/debug/deps/libpest-a4e6e9c194c2f4d2.rmeta --extern pest_derive=/opt/rustwide/target/debug/deps/libpest_derive-779e978e24bb91f2.so --extern regex=/opt/rustwide/target/debug/deps/libregex-83778eec77be8719.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "e7d5419814b127bb2646616bef8072cb9eab0ab63a56ce2fa4ac93f827746666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7d5419814b127bb2646616bef8072cb9eab0ab63a56ce2fa4ac93f827746666", kill_on_drop: false }`
[INFO] [stdout] e7d5419814b127bb2646616bef8072cb9eab0ab63a56ce2fa4ac93f827746666