[INFO] cloning repository https://github.com/SuanFaRuoJi/coding_exercise_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SuanFaRuoJi/coding_exercise_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuanFaRuoJi%2Fcoding_exercise_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuanFaRuoJi%2Fcoding_exercise_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05c1092d4cdb09b9983e1b6d8abdc90d3886c7d1
[INFO] documenting SuanFaRuoJi/coding_exercise_rust 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%2FSuanFaRuoJi%2Fcoding_exercise_rust" "/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/SuanFaRuoJi/coding_exercise_rust 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/SuanFaRuoJi/coding_exercise_rust
[INFO] finished tweaking git repo https://github.com/SuanFaRuoJi/coding_exercise_rust
[INFO] tweaked toml for git repo https://github.com/SuanFaRuoJi/coding_exercise_rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/SuanFaRuoJi/coding_exercise_rust 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] 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] [stdout] 1a65412b799df9168400c585baf7fbb952480293687bbdc4ff4d2c153447e00e
[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" "1a65412b799df9168400c585baf7fbb952480293687bbdc4ff4d2c153447e00e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a65412b799df9168400c585baf7fbb952480293687bbdc4ff4d2c153447e00e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a65412b799df9168400c585baf7fbb952480293687bbdc4ff4d2c153447e00e", kill_on_drop: false }`
[INFO] [stdout] 1a65412b799df9168400c585baf7fbb952480293687bbdc4ff4d2c153447e00e
[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] d7a0a231bcda68cd57a88fb31220b8306b7ebd37b1b52e792456374fe9be0c6b
[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" "d7a0a231bcda68cd57a88fb31220b8306b7ebd37b1b52e792456374fe9be0c6b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `fraction` should have an upper camel case name
[INFO] [stdout]   --> src/max_points_on_a_line_149.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct fraction {
[INFO] [stdout]    |        ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Fraction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/maximal_square_221.rs:29:37
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 let cur_width = min((right - left - 1), top_height);
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/maximal_square_221.rs:45:33
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let cur_width = min((right - left - 1), top_height);
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "d7a0a231bcda68cd57a88fb31220b8306b7ebd37b1b52e792456374fe9be0c6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7a0a231bcda68cd57a88fb31220b8306b7ebd37b1b52e792456374fe9be0c6b", kill_on_drop: false }`
[INFO] [stdout] d7a0a231bcda68cd57a88fb31220b8306b7ebd37b1b52e792456374fe9be0c6b