[INFO] cloning repository https://github.com/simonasker/adventofcode2016
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simonasker/adventofcode2016" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonasker%2Fadventofcode2016", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonasker%2Fadventofcode2016'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b46931a2cc2191aa536c492e088b9ad64bdfebb0
[INFO] documenting simonasker/adventofcode2016 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%2Fsimonasker%2Fadventofcode2016" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/simonasker/adventofcode2016 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/simonasker/adventofcode2016
[INFO] finished tweaking git repo https://github.com/simonasker/adventofcode2016
[INFO] tweaked toml for git repo https://github.com/simonasker/adventofcode2016 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/simonasker/adventofcode2016 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 7546c6ab4362299d87fd80b1f2ca3b036399d0d8731ddfc143256ca9553fda96
[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" "7546c6ab4362299d87fd80b1f2ca3b036399d0d8731ddfc143256ca9553fda96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7546c6ab4362299d87fd80b1f2ca3b036399d0d8731ddfc143256ca9553fda96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7546c6ab4362299d87fd80b1f2ca3b036399d0d8731ddfc143256ca9553fda96", kill_on_drop: false }`
[INFO] [stdout] 7546c6ab4362299d87fd80b1f2ca3b036399d0d8731ddfc143256ca9553fda96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8cf26ccd3ddc93e0d12cd4ffe005041d36e83d5d45ad7d17495a6e32a9668c88
[INFO] running `Command { std: "docker" "start" "-a" "8cf26ccd3ddc93e0d12cd4ffe005041d36e83d5d45ad7d17495a6e32a9668c88", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gcc v0.3.39
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking rustc-serialize v0.3.21
[INFO] [stderr]     Checking unicode-width v0.1.3
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking clap v2.19.1
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]  Documenting adventofcode2016 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/solutions/day19.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 |             res = i32::pow(2, (i-1));
[INFO] [stdout]    |                               ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 14 -             res = i32::pow(2, (i-1));
[INFO] [stdout] 14 +             res = i32::pow(2, i-1);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.76s
[INFO] running `Command { std: "docker" "inspect" "8cf26ccd3ddc93e0d12cd4ffe005041d36e83d5d45ad7d17495a6e32a9668c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cf26ccd3ddc93e0d12cd4ffe005041d36e83d5d45ad7d17495a6e32a9668c88", kill_on_drop: false }`
[INFO] [stdout] 8cf26ccd3ddc93e0d12cd4ffe005041d36e83d5d45ad7d17495a6e32a9668c88