[INFO] cloning repository https://github.com/libc/advent-of-code-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/libc/advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flibc%2Fadvent-of-code-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flibc%2Fadvent-of-code-2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0002eb82dbbecd7fa55ec84e68971afdeefe49f
[INFO] documenting libc/advent-of-code-2019 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%2Flibc%2Fadvent-of-code-2019" "/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/libc/advent-of-code-2019 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/libc/advent-of-code-2019
[INFO] finished tweaking git repo https://github.com/libc/advent-of-code-2019
[INFO] tweaked toml for git repo https://github.com/libc/advent-of-code-2019 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/libc/advent-of-code-2019 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] 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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1414042476ee22237952101c354adb0db280bcd4e8fcae50f58b64b17a7687c1
[INFO] running `Command { std: "docker" "start" "-a" "1414042476ee22237952101c354adb0db280bcd4e8fcae50f58b64b17a7687c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1414042476ee22237952101c354adb0db280bcd4e8fcae50f58b64b17a7687c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1414042476ee22237952101c354adb0db280bcd4e8fcae50f58b64b17a7687c1", kill_on_drop: false }`
[INFO] [stdout] 1414042476ee22237952101c354adb0db280bcd4e8fcae50f58b64b17a7687c1
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/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] a11ffea4a652874b0b09ed8afb21f784dfe55771e819c2a4559d8c2f46a39b23
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a11ffea4a652874b0b09ed8afb21f784dfe55771e819c2a4559d8c2f46a39b23", kill_on_drop: false }`
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling im v10.2.0
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking termion v1.5.4
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking mod_exp v1.0.1
[INFO] [stderr]     Checking aoc2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting aoc2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/bin/day20-2.rs:126:24
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     if (inwards || q.2 > 0) {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `aoc2019`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name aoc2019 src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-ea96a16cde6f5dc0.rmeta --extern im=/opt/rustwide/target/debug/deps/libim-3e2d7c758b688bf7.rmeta --extern mod_exp=/opt/rustwide/target/debug/deps/libmod_exp-e0e35e79c95ff423.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-61ce8a021446bcc4.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-6a306c8ff233cec6.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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a11ffea4a652874b0b09ed8afb21f784dfe55771e819c2a4559d8c2f46a39b23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a11ffea4a652874b0b09ed8afb21f784dfe55771e819c2a4559d8c2f46a39b23", kill_on_drop: false }`
[INFO] [stdout] a11ffea4a652874b0b09ed8afb21f784dfe55771e819c2a4559d8c2f46a39b23
