[INFO] cloning repository https://github.com/df5602/aoc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/df5602/aoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdf5602%2Faoc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdf5602%2Faoc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c63dda1ca30144e699f0be41430d9f9c5cfe396
[INFO] documenting df5602/aoc 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%2Fdf5602%2Faoc" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/df5602/aoc 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/df5602/aoc
[INFO] finished tweaking git repo https://github.com/df5602/aoc
[INFO] tweaked toml for git repo https://github.com/df5602/aoc written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/df5602/aoc 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex-syntax v0.6.4
[INFO] [stderr]   Downloaded regex v1.1.0
[INFO] [stderr]   Downloaded adhoc_derive v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 23af850a974d38d3018434b5b3d489741ec9e571d8641989aee8eade52e1d693
[INFO] running `Command { std: "docker" "start" "-a" "23af850a974d38d3018434b5b3d489741ec9e571d8641989aee8eade52e1d693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23af850a974d38d3018434b5b3d489741ec9e571d8641989aee8eade52e1d693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23af850a974d38d3018434b5b3d489741ec9e571d8641989aee8eade52e1d693", kill_on_drop: false }`
[INFO] [stdout] 23af850a974d38d3018434b5b3d489741ec9e571d8641989aee8eade52e1d693
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] e92b21a19ca3322e10d72e70e86190f700f3241e8e767fb362abdbe60f8cfa01
[INFO] running `Command { std: "docker" "start" "-a" "e92b21a19ca3322e10d72e70e86190f700f3241e8e767fb362abdbe60f8cfa01", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking util v0.1.0 (/opt/rustwide/workdir/util)
[INFO] [stderr]  Documenting util v0.1.0 (/opt/rustwide/workdir/util)
[INFO] [stderr]  Documenting chronal_calibration v0.1.0 (/opt/rustwide/workdir/chronal_calibration)
[INFO] [stderr]  Documenting chocolate_charts v0.1.0 (/opt/rustwide/workdir/chocolate_charts)
[INFO] [stderr]  Documenting alchemical_reduction v0.1.0 (/opt/rustwide/workdir/alchemical_reduction)
[INFO] [stderr]  Documenting chronal_charge v0.1.0 (/opt/rustwide/workdir/chronal_charge)
[INFO] [stderr]  Documenting settlers_of_the_north_pole v0.1.0 (/opt/rustwide/workdir/settlers_of_the_north_pole)
[INFO] [stderr]  Documenting marble_mania v0.1.0 (/opt/rustwide/workdir/marble_mania)
[INFO] [stderr]  Documenting subterranean_sustainability v0.1.0 (/opt/rustwide/workdir/subterranean_sustainability)
[INFO] [stderr]  Documenting beverage_bandits v0.1.0 (/opt/rustwide/workdir/beverage_bandits)
[INFO] [stderr]  Documenting reservoir_research v0.1.0 (/opt/rustwide/workdir/reservoir_research)
[INFO] [stderr]  Documenting chronal_classification v0.1.0 (/opt/rustwide/workdir/chronal_classification)
[INFO] [stderr]  Documenting memory_maneuver v0.1.0 (/opt/rustwide/workdir/memory_maneuver)
[INFO] [stderr]  Documenting stars_align v0.1.0 (/opt/rustwide/workdir/stars_align)
[INFO] [stderr]  Documenting mode_maze v0.1.0 (/opt/rustwide/workdir/mode_maze)
[INFO] [stderr]  Documenting experimental_emergency_teleportation v0.1.0 (/opt/rustwide/workdir/experimental_emergency_teleportation)
[INFO] [stderr]  Documenting a_regular_map v0.1.0 (/opt/rustwide/workdir/a_regular_map)
[INFO] [stderr]  Documenting chronal_conversion v0.1.0 (/opt/rustwide/workdir/chronal_conversion)
[INFO] [stderr]  Documenting immune_system_simulator_20xx v0.1.0 (/opt/rustwide/workdir/immune_system_simulator_20xx)
[INFO] [stderr]  Documenting go_with_the_flow v0.1.0 (/opt/rustwide/workdir/go_with_the_flow)
[INFO] [stderr]  Documenting inventory_management_system v0.1.0 (/opt/rustwide/workdir/inventory_management_system)
[INFO] [stderr]  Documenting sum_of_its_parts v0.1.0 (/opt/rustwide/workdir/sum_of_its_parts)
[INFO] [stderr]  Documenting four_dimensional_adventure v0.1.0 (/opt/rustwide/workdir/four_dimensional_adventure)
[INFO] [stderr]  Documenting mine_cart_madness v0.1.0 (/opt/rustwide/workdir/mine_cart_madness)
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.23/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit-mut"' -C metadata=2d59e436ffd0abd5 -C extra-filename=-2d59e436ffd0abd5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c18e8c80bc84b4bf.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a3f6763484a417a8.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-123b1a1a47f71896.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `regex`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-1.1.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="use_std"' -C metadata=decb14ce27f1dc23 -C extra-filename=-decb14ce27f1dc23 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-f4e67747aa146e54.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-d7cbfb7d0aec9a57.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-3424801cc304d871.rmeta --extern thread_local=/opt/rustwide/target/debug/deps/libthread_local-8e02e17fb4955579.rmeta --extern utf8_ranges=/opt/rustwide/target/debug/deps/libutf8_ranges-ebf4f9957f7e114d.rmeta --cap-lints allow --cfg regex_runtime_teddy_ssse3 --cfg regex_runtime_teddy_avx2` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `util`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name util util/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=42624e2aced876e6 -L dependency=/opt/rustwide/target/debug/deps --extern regex=/opt/rustwide/target/debug/deps/libregex-7c1747aebb8d5175.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `reservoir_research`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name reservoir_research reservoir_research/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e3228a88b2824bbc -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-34beab4ed1f0a84e.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7c1747aebb8d5175.rmeta --extern util=/opt/rustwide/target/debug/deps/libutil-42624e2aced876e6.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `chronal_conversion`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name chronal_conversion chronal_conversion/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=452929f7ec28240c -L dependency=/opt/rustwide/target/debug/deps --extern util=/opt/rustwide/target/debug/deps/libutil-42624e2aced876e6.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `alchemical_reduction`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name alchemical_reduction alchemical_reduction/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9282e3823fd9cab1 -L dependency=/opt/rustwide/target/debug/deps --extern util=/opt/rustwide/target/debug/deps/libutil-42624e2aced876e6.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `chocolate_charts`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name chocolate_charts chocolate_charts/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8e6a526a8838b704 -L dependency=/opt/rustwide/target/debug/deps --extern util=/opt/rustwide/target/debug/deps/libutil-42624e2aced876e6.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `mode_maze`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name mode_maze mode_maze/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c52a378377346e4f -L dependency=/opt/rustwide/target/debug/deps --extern util=/opt/rustwide/target/debug/deps/libutil-42624e2aced876e6.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `subterranean_sustainability`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name subterranean_sustainability subterranean_sustainability/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c33239a108590a12 -L dependency=/opt/rustwide/target/debug/deps --extern util=/opt/rustwide/target/debug/deps/libutil-42624e2aced876e6.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `immune_system_simulator_20xx`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name immune_system_simulator_20xx immune_system_simulator_20xx/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d0d9670dd5f81c33 -L dependency=/opt/rustwide/target/debug/deps --extern regex=/opt/rustwide/target/debug/deps/libregex-7c1747aebb8d5175.rmeta --extern util=/opt/rustwide/target/debug/deps/libutil-42624e2aced876e6.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `memory_maneuver`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name memory_maneuver memory_maneuver/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b3cb9cf0e251e529 -L dependency=/opt/rustwide/target/debug/deps --extern util=/opt/rustwide/target/debug/deps/libutil-42624e2aced876e6.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `experimental_emergency_teleportation`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name experimental_emergency_teleportation experimental_emergency_teleportation/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=09d1578f18bfd1cd -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-34beab4ed1f0a84e.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-a142761d3a8cda7d.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7c1747aebb8d5175.rmeta --extern util=/opt/rustwide/target/debug/deps/libutil-42624e2aced876e6.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `beverage_bandits`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name beverage_bandits beverage_bandits/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e84212ddc674aabd -L dependency=/opt/rustwide/target/debug/deps --extern util=/opt/rustwide/target/debug/deps/libutil-42624e2aced876e6.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `a_regular_map`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name a_regular_map a_regular_map/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6570d9e281b331d8 -L dependency=/opt/rustwide/target/debug/deps --extern util=/opt/rustwide/target/debug/deps/libutil-42624e2aced876e6.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "e92b21a19ca3322e10d72e70e86190f700f3241e8e767fb362abdbe60f8cfa01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e92b21a19ca3322e10d72e70e86190f700f3241e8e767fb362abdbe60f8cfa01", kill_on_drop: false }`
[INFO] [stdout] e92b21a19ca3322e10d72e70e86190f700f3241e8e767fb362abdbe60f8cfa01