[INFO] cloning repository https://github.com/noahmpauls/advent-of-code-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/noahmpauls/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoahmpauls%2Fadvent-of-code-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoahmpauls%2Fadvent-of-code-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed64fd876198df7e9d754609c201540e3fae6842
[INFO] documenting noahmpauls/advent-of-code-2021 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%2Fnoahmpauls%2Fadvent-of-code-2021" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/noahmpauls/advent-of-code-2021 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/noahmpauls/advent-of-code-2021
[INFO] finished tweaking git repo https://github.com/noahmpauls/advent-of-code-2021
[INFO] tweaked toml for git repo https://github.com/noahmpauls/advent-of-code-2021 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/noahmpauls/advent-of-code-2021 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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 27f6ebe82988358eef839f7bf74a4c21880133d9110bb8a2d527a3b9f0010dad
[INFO] running `Command { std: "docker" "start" "-a" "27f6ebe82988358eef839f7bf74a4c21880133d9110bb8a2d527a3b9f0010dad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27f6ebe82988358eef839f7bf74a4c21880133d9110bb8a2d527a3b9f0010dad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27f6ebe82988358eef839f7bf74a4c21880133d9110bb8a2d527a3b9f0010dad", kill_on_drop: false }`
[INFO] [stdout] 27f6ebe82988358eef839f7bf74a4c21880133d9110bb8a2d527a3b9f0010dad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 240c0bfead5c5ce50dfb3a2251b571e37002c27c0bcc40b431bd20c766bf56b2
[INFO] running `Command { std: "docker" "start" "-a" "240c0bfead5c5ce50dfb3a2251b571e37002c27c0bcc40b431bd20c766bf56b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]  Documenting common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling priority-queue v1.2.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]  Documenting passage_pathing v0.1.0 (/opt/rustwide/workdir/12_passage_pathing)
[INFO] [stderr]  Documenting transparent_origami v0.1.0 (/opt/rustwide/workdir/13_transparent_origami)
[INFO] [stderr]  Documenting seven_segment_search v0.1.0 (/opt/rustwide/workdir/08_seven_segment_search)
[INFO] [stderr]  Documenting binary_diagnostic v0.1.0 (/opt/rustwide/workdir/03_binary_diagnostic)
[INFO] [stderr]  Documenting arithmetic_logic_unit v0.1.0 (/opt/rustwide/workdir/24_arithmetic_logic_unit)
[INFO] [stderr]  Documenting extended_polymerization v0.1.0 (/opt/rustwide/workdir/14_extended_polymerization)
[INFO] [stderr]  Documenting trick_shot v0.1.0 (/opt/rustwide/workdir/17_trick_shot)
[INFO] [stderr]  Documenting the_treachery_of_whales v0.1.0 (/opt/rustwide/workdir/07_the_treachery_of_whales)
[INFO] [stderr]  Documenting snailfish v0.1.0 (/opt/rustwide/workdir/18_snailfish)
[INFO] [stderr]  Documenting smoke_basin v0.1.0 (/opt/rustwide/workdir/09_smoke_basin)
[INFO] [stderr]  Documenting reactor_reboot v0.1.0 (/opt/rustwide/workdir/22_reactor_reboot)
[INFO] [stderr]  Documenting sea_cucumber v0.1.0 (/opt/rustwide/workdir/25_sea_cucumber)
[INFO] [stderr]  Documenting giant_squid v0.1.0 (/opt/rustwide/workdir/04_giant_squid)
[INFO] [stderr]  Documenting dumbo_octopus v0.1.0 (/opt/rustwide/workdir/11_dumbo_octopus)
[INFO] [stderr]  Documenting dirac_dice v0.1.0 (/opt/rustwide/workdir/21_dirac_dice)
[INFO] [stderr]  Documenting dive v0.1.0 (/opt/rustwide/workdir/02_dive)
[INFO] [stderr]  Documenting sonar_sweep v0.1.0 (/opt/rustwide/workdir/01_sonar_sweep)
[INFO] [stderr]  Documenting trench_map v0.1.0 (/opt/rustwide/workdir/20_trench_map)
[INFO] [stderr]  Documenting packet_decoder v0.1.0 (/opt/rustwide/workdir/16_packet_decoder)
[INFO] [stderr]  Documenting chiton v0.1.0 (/opt/rustwide/workdir/15_chiton)
[INFO] [stderr]  Documenting lanternfish v0.1.0 (/opt/rustwide/workdir/06_lanternfish)
[INFO] [stderr]  Documenting hydrothermal_venture v0.1.0 (/opt/rustwide/workdir/05_hydrothermal_venture)
[INFO] [stderr]  Documenting syntax_scoring v0.1.0 (/opt/rustwide/workdir/10_syntax_scoring)
[INFO] [stderr]     Checking ndarray v0.15.4
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.86/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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=3e2cdf5f13aa855a -C extra-filename=-3e2cdf5f13aa855a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d43b9eeea9b4257f.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-8d5920e04f914a4c.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-11d097b41f2e60a4.rmeta --cap-lints allow --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not document `sonar_sweep`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name sonar_sweep 01_sonar_sweep/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a92efe811b23fc44 -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-18b8b1c7f1098301.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `trick_shot`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name trick_shot 17_trick_shot/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=650bac28501d8bc8 -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-18b8b1c7f1098301.rmeta --extern common=/opt/rustwide/target/debug/deps/libcommon-5171dc88b04ec0ca.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-93251fd65088a55f.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `giant_squid`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name giant_squid 04_giant_squid/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0bae4e07568210fd -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-18b8b1c7f1098301.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-93251fd65088a55f.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `hydrothermal_venture`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name hydrothermal_venture 05_hydrothermal_venture/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2590a4a5118de98d -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-18b8b1c7f1098301.rmeta --extern common=/opt/rustwide/target/debug/deps/libcommon-5171dc88b04ec0ca.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-93251fd65088a55f.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `dumbo_octopus`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name dumbo_octopus 11_dumbo_octopus/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=5b0e21568976fdd6 -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-18b8b1c7f1098301.rmeta --extern common=/opt/rustwide/target/debug/deps/libcommon-5171dc88b04ec0ca.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `dirac_dice`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name dirac_dice 21_dirac_dice/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4d6513d9baeb1a67 -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-18b8b1c7f1098301.rmeta --extern common=/opt/rustwide/target/debug/deps/libcommon-5171dc88b04ec0ca.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-93251fd65088a55f.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `packet_decoder`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name packet_decoder 16_packet_decoder/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=921f4a4626450229 -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-18b8b1c7f1098301.rmeta --extern common=/opt/rustwide/target/debug/deps/libcommon-5171dc88b04ec0ca.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `transparent_origami`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name transparent_origami 13_transparent_origami/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=296eb6666b8c28d4 -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-18b8b1c7f1098301.rmeta --extern common=/opt/rustwide/target/debug/deps/libcommon-5171dc88b04ec0ca.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-93251fd65088a55f.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `chiton`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name chiton 15_chiton/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=48700b4c1f73e046 -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-18b8b1c7f1098301.rmeta --extern common=/opt/rustwide/target/debug/deps/libcommon-5171dc88b04ec0ca.rmeta --extern priority_queue=/opt/rustwide/target/debug/deps/libpriority_queue-256f84d250278e61.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `reactor_reboot`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name reactor_reboot 22_reactor_reboot/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=04bc49c88cd6ba96 -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-18b8b1c7f1098301.rmeta --extern common=/opt/rustwide/target/debug/deps/libcommon-5171dc88b04ec0ca.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-93251fd65088a55f.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `arithmetic_logic_unit`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name arithmetic_logic_unit 24_arithmetic_logic_unit/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f93733840079c98c -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-18b8b1c7f1098301.rmeta --extern common=/opt/rustwide/target/debug/deps/libcommon-5171dc88b04ec0ca.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `snailfish`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name snailfish 18_snailfish/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=68660406ba0e2963 -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-18b8b1c7f1098301.rmeta --extern common=/opt/rustwide/target/debug/deps/libcommon-5171dc88b04ec0ca.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "240c0bfead5c5ce50dfb3a2251b571e37002c27c0bcc40b431bd20c766bf56b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "240c0bfead5c5ce50dfb3a2251b571e37002c27c0bcc40b431bd20c766bf56b2", kill_on_drop: false }`
[INFO] [stdout] 240c0bfead5c5ce50dfb3a2251b571e37002c27c0bcc40b431bd20c766bf56b2