[INFO] cloning repository https://github.com/sseemayer/aoc2016
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sseemayer/aoc2016" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsseemayer%2Faoc2016", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsseemayer%2Faoc2016'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b57814fca0d3bb02a6e9a96fce4674a3bb5fb1a
[INFO] documenting sseemayer/aoc2016 against master#c04832643d70479988a3ad9d92b63d9bc95e9c6d for pr-107291
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsseemayer%2Faoc2016" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sseemayer/aoc2016 on toolchain c04832643d70479988a3ad9d92b63d9bc95e9c6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c04832643d70479988a3ad9d92b63d9bc95e9c6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sseemayer/aoc2016
[INFO] finished tweaking git repo https://github.com/sseemayer/aoc2016
[INFO] tweaked toml for git repo https://github.com/sseemayer/aoc2016 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sseemayer/aoc2016 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c04832643d70479988a3ad9d92b63d9bc95e9c6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+c04832643d70479988a3ad9d92b63d9bc95e9c6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f725387c74f12fcf8dc51c8402b1edb87c03b12154e90295cc94d3fa576e559d
[INFO] running `Command { std: "docker" "start" "-a" "f725387c74f12fcf8dc51c8402b1edb87c03b12154e90295cc94d3fa576e559d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f725387c74f12fcf8dc51c8402b1edb87c03b12154e90295cc94d3fa576e559d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f725387c74f12fcf8dc51c8402b1edb87c03b12154e90295cc94d3fa576e559d", kill_on_drop: false }`
[INFO] [stdout] f725387c74f12fcf8dc51c8402b1edb87c03b12154e90295cc94d3fa576e559d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+c04832643d70479988a3ad9d92b63d9bc95e9c6d" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7e9e895501ed518b748b4f4ed2ff1b59685e6f371cd57ccebe8493b22608645
[INFO] running `Command { std: "docker" "start" "-a" "a7e9e895501ed518b748b4f4ed2ff1b59685e6f371cd57ccebe8493b22608645", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]     Checking snafu v0.6.10
[INFO] [stderr]     Checking aoc2016 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting aoc2016 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ResultExt`
[INFO] [stdout]  --> src/asmbunny.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use snafu::{ResultExt, Snafu};
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/asmbunny.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `aoc2016`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --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 '-Arustdoc::private-intra-doc-links' -C metadata=f40489a149b5f3f9 -L dependency=/opt/rustwide/target/debug/deps --extern aoc2016=/opt/rustwide/target/debug/deps/libaoc2016-3b3b1c4ae9d8ee27.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-1134716e7eb2c2db.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-bc7aafe048ed9373.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-3ab14ef94a1f89cf.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-cbcba74746a4a200.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-cc3ed5784dcc56c9.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-f405310958f68129.rmeta --extern snafu=/opt/rustwide/target/debug/deps/libsnafu-1f11a7b43f623f56.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a7e9e895501ed518b748b4f4ed2ff1b59685e6f371cd57ccebe8493b22608645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e9e895501ed518b748b4f4ed2ff1b59685e6f371cd57ccebe8493b22608645", kill_on_drop: false }`
[INFO] [stdout] a7e9e895501ed518b748b4f4ed2ff1b59685e6f371cd57ccebe8493b22608645