[INFO] updating cached repository https://github.com/grapeape38/Advent-of-Code-2019-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 701ef07da8dd6499be1dc8f95d355f8d141b36ad
[INFO] documenting grapeape38/Advent-of-Code-2019-Rust against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrapeape38%2FAdvent-of-Code-2019-Rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/grapeape38/Advent-of-Code-2019-Rust on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/grapeape38/Advent-of-Code-2019-Rust
[INFO] finished tweaking git repo https://github.com/grapeape38/Advent-of-Code-2019-Rust
[INFO] tweaked toml for git repo https://github.com/grapeape38/Advent-of-Code-2019-Rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/grapeape38/Advent-of-Code-2019-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 270c15f9ffd5917087b78a846949579d6539d4d6a245633f96db063c1d751a9e
[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" "270c15f9ffd5917087b78a846949579d6539d4d6a245633f96db063c1d751a9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "270c15f9ffd5917087b78a846949579d6539d4d6a245633f96db063c1d751a9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "270c15f9ffd5917087b78a846949579d6539d4d6a245633f96db063c1d751a9e", kill_on_drop: false }`
[INFO] [stdout] 270c15f9ffd5917087b78a846949579d6539d4d6a245633f96db063c1d751a9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 612ecfb407d5c5f00f7dbd2788db728f080b5cf203706bb7188e71d4327b8336
[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" "612ecfb407d5c5f00f7dbd2788db728f080b5cf203706bb7188e71d4327b8336", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]  Documenting AdventOfCode2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/days/day1.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn day1(file: &mut File) -> Result<(i32), Box<dyn Error>> {
[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 type
[INFO] [stdout]   --> src/days/day4.rs:59:40
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn day4(file: &mut File) -> Result<(i32), Box<dyn Error>> {
[INFO] [stdout]    |                                        ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/days/day6.rs:54:40
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn day6(file: &mut File) -> Result<(i32), Box<dyn Error>> {
[INFO] [stdout]    |                                        ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/days/day8.rs:11:35
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn part1(img: &Vec<u8>) -> Result<(i32), Box<dyn Error>> {
[INFO] [stdout]    |                                   ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/days/day8.rs:41:40
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn day8(file: &mut File) -> Result<(i32), Box<dyn Error>> {
[INFO] [stdout]    |                                        ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/days/day10.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn day10(file: &mut File) -> Result<(i32), Box<dyn Error>> {
[INFO] [stdout]    |                                         ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/days/mod.rs:16:42
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub type DayFn = fn(&mut File) -> Result<(i32), Box<dyn Error>>;
[INFO] [stdout]    |                                          ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.98s
[INFO] running `Command { std: "docker" "inspect" "612ecfb407d5c5f00f7dbd2788db728f080b5cf203706bb7188e71d4327b8336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "612ecfb407d5c5f00f7dbd2788db728f080b5cf203706bb7188e71d4327b8336", kill_on_drop: false }`
[INFO] [stdout] 612ecfb407d5c5f00f7dbd2788db728f080b5cf203706bb7188e71d4327b8336