[INFO] cloning repository https://github.com/panicbit/advent_of_code_20
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/panicbit/advent_of_code_20" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanicbit%2Fadvent_of_code_20", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanicbit%2Fadvent_of_code_20'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 491da22c80eebc9a0faa1ddd1706b27c40742442
[INFO] documenting panicbit/advent_of_code_20 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanicbit%2Fadvent_of_code_20" "/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/panicbit/advent_of_code_20 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/panicbit/advent_of_code_20
[INFO] finished tweaking git repo https://github.com/panicbit/advent_of_code_20
[INFO] tweaked toml for git repo https://github.com/panicbit/advent_of_code_20 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/panicbit/advent_of_code_20 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26e1a6ac942ad391dff2fbe1adffa3c5e30d4b6719649626c7f5a9a5f47687ba
[INFO] running `Command { std: "docker" "start" "-a" "26e1a6ac942ad391dff2fbe1adffa3c5e30d4b6719649626c7f5a9a5f47687ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26e1a6ac942ad391dff2fbe1adffa3c5e30d4b6719649626c7f5a9a5f47687ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e1a6ac942ad391dff2fbe1adffa3c5e30d4b6719649626c7f5a9a5f47687ba", kill_on_drop: false }`
[INFO] [stdout] 26e1a6ac942ad391dff2fbe1adffa3c5e30d4b6719649626c7f5a9a5f47687ba
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc0dcd066c20e6b76c813e9bbb7891fb3bc60dddefb0027cf7d326337e584cfd
[INFO] running `Command { std: "docker" "start" "-a" "dc0dcd066c20e6b76c813e9bbb7891fb3bc60dddefb0027cf7d326337e584cfd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking open v1.4.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking net2 v0.2.36
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking directories v1.0.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stderr]  Documenting utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling chrono-tz v0.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling html5ever v0.23.0
[INFO] [stderr]    Compiling aoc_codegen v0.1.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking config v0.9.3
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking select v0.4.3
[INFO] [stderr]     Checking aoc v0.3.2
[INFO] [stderr]  Documenting day24_2 v0.1.0 (/opt/rustwide/workdir/day24_2)
[INFO] [stderr]  Documenting day23_2 v0.1.0 (/opt/rustwide/workdir/day23_2)
[INFO] [stderr]  Documenting day05_2 v0.1.0 (/opt/rustwide/workdir/day05_2)
[INFO] [stderr]  Documenting day25_2 v0.1.0 (/opt/rustwide/workdir/day25_2)
[INFO] [stderr]  Documenting day05 v0.1.0 (/opt/rustwide/workdir/day05)
[INFO] [stderr]  Documenting day03 v0.1.0 (/opt/rustwide/workdir/day03)
[INFO] [stderr]  Documenting day06_2 v0.1.0 (/opt/rustwide/workdir/day06_2)
[INFO] [stderr]  Documenting day14_2 v0.1.0 (/opt/rustwide/workdir/day14_2)
[INFO] [stderr]  Documenting day04_2 v0.1.0 (/opt/rustwide/workdir/day04_2)
[INFO] [stderr]  Documenting day18 v0.1.0 (/opt/rustwide/workdir/day18)
[INFO] [stderr]  Documenting day15_2 v0.1.0 (/opt/rustwide/workdir/day15_2)
[INFO] [stderr]  Documenting day16 v0.1.0 (/opt/rustwide/workdir/day16)
[INFO] [stderr]  Documenting day14 v0.1.0 (/opt/rustwide/workdir/day14)
[INFO] [stderr]  Documenting day01_2 v0.1.0 (/opt/rustwide/workdir/day01_2)
[INFO] [stderr]  Documenting day25 v0.1.0 (/opt/rustwide/workdir/day25)
[INFO] [stderr]  Documenting day22_2 v0.1.0 (/opt/rustwide/workdir/day22_2)
[INFO] [stderr]  Documenting day20 v0.1.0 (/opt/rustwide/workdir/day20)
[INFO] [stderr]  Documenting day18_2 v0.1.0 (/opt/rustwide/workdir/day18_2)
[INFO] [stderr]  Documenting day06 v0.1.0 (/opt/rustwide/workdir/day06)
[INFO] [stderr]  Documenting day11 v0.1.0 (/opt/rustwide/workdir/day11)
[INFO] [stderr]  Documenting day12 v0.1.0 (/opt/rustwide/workdir/day12)
[INFO] [stderr]  Documenting day16_2 v0.1.0 (/opt/rustwide/workdir/day16_2)
[INFO] [stderr]  Documenting day17_2 v0.1.0 (/opt/rustwide/workdir/day17_2)
[INFO] [stderr]  Documenting day13_2 v0.1.0 (/opt/rustwide/workdir/day13_2)
[INFO] [stderr]  Documenting day12_2 v0.1.0 (/opt/rustwide/workdir/day12_2)
[INFO] [stderr]  Documenting day03_2 v0.1.0 (/opt/rustwide/workdir/day03_2)
[INFO] [stderr]  Documenting day21 v0.1.0 (/opt/rustwide/workdir/day21)
[INFO] [stderr]  Documenting day02_2 v0.1.0 (/opt/rustwide/workdir/day02_2)
[INFO] [stderr]  Documenting day02 v0.1.0 (/opt/rustwide/workdir/day02)
[INFO] [stderr]  Documenting day15 v0.1.0 (/opt/rustwide/workdir/day15)
[INFO] [stderr]  Documenting day22 v0.1.0 (/opt/rustwide/workdir/day22)
[INFO] [stderr]  Documenting day19 v0.1.0 (/opt/rustwide/workdir/day19)
[INFO] [stderr] error: could not document `day14_2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day14_2 day14_2/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern aoc=/opt/rustwide/target/debug/deps/libaoc-4769a88cce908c7c.rmeta --extern utils=/opt/rustwide/target/debug/deps/libutils-cef2aa3cb8bd5ac5.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: build failed
[INFO] running `Command { std: "docker" "inspect" "dc0dcd066c20e6b76c813e9bbb7891fb3bc60dddefb0027cf7d326337e584cfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc0dcd066c20e6b76c813e9bbb7891fb3bc60dddefb0027cf7d326337e584cfd", kill_on_drop: false }`
[INFO] [stdout] dc0dcd066c20e6b76c813e9bbb7891fb3bc60dddefb0027cf7d326337e584cfd
