[INFO] cloning repository https://github.com/alonn24/rustlang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alonn24/rustlang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falonn24%2Frustlang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falonn24%2Frustlang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 170039094ca130b44bac27c329c24ac1bd962160
[INFO] documenting alonn24/rustlang against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falonn24%2Frustlang" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alonn24/rustlang on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alonn24/rustlang
[INFO] finished tweaking git repo https://github.com/alonn24/rustlang
[INFO] tweaked toml for git repo https://github.com/alonn24/rustlang written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/alonn24/rustlang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty_assertions v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "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] 914c8b1e0f9b23a63200bf90bad1215c0cef013c9334bb3e681ca118f9f7a888
[INFO] running `Command { std: "docker" "start" "-a" "914c8b1e0f9b23a63200bf90bad1215c0cef013c9334bb3e681ca118f9f7a888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "914c8b1e0f9b23a63200bf90bad1215c0cef013c9334bb3e681ca118f9f7a888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "914c8b1e0f9b23a63200bf90bad1215c0cef013c9334bb3e681ca118f9f7a888", kill_on_drop: false }`
[INFO] [stdout] 914c8b1e0f9b23a63200bf90bad1215c0cef013c9334bb3e681ca118f9f7a888
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abd4e7d0cbcc85ceeaf4de80d92b855fb7cfae079401ac80d2829ba08e92fed0
[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" "abd4e7d0cbcc85ceeaf4de80d92b855fb7cfae079401ac80d2829ba08e92fed0", kill_on_drop: false }`
[INFO] [stderr]  Documenting rustlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/adventofcode2019/day3/part2.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |   let mut found: Vec<((i32, i32))> = vec![];
[INFO] [stdout]    |                      ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "abd4e7d0cbcc85ceeaf4de80d92b855fb7cfae079401ac80d2829ba08e92fed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abd4e7d0cbcc85ceeaf4de80d92b855fb7cfae079401ac80d2829ba08e92fed0", kill_on_drop: false }`
[INFO] [stdout] abd4e7d0cbcc85ceeaf4de80d92b855fb7cfae079401ac80d2829ba08e92fed0