[INFO] updating cached repository https://github.com/fireyang/advent_of_code_2018
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 78010f3f196ed98f7223f261ddc820a7eeac1eab
[INFO] checking fireyang/advent_of_code_2018 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffireyang%2Fadvent_of_code_2018" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fireyang/advent_of_code_2018 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fireyang/advent_of_code_2018
[INFO] finished tweaking git repo https://github.com/fireyang/advent_of_code_2018
[INFO] tweaked toml for git repo https://github.com/fireyang/advent_of_code_2018 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/fireyang/advent_of_code_2018 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--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" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 349929a9d8f40c9cf5ca04a373b872f233d7d85a5fdbb60f37fce315a84d3dc7
[INFO] running `"docker" "start" "-a" "349929a9d8f40c9cf5ca04a373b872f233d7d85a5fdbb60f37fce315a84d3dc7"`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking linked-list v0.0.3
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `prelude::*`, `self`
[INFO] [stderr]  --> src/day9.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 |     use std::io::{self, prelude::*};
[INFO] [stderr]   |                   ^^^^  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `prelude::*`, `self`
[INFO] [stderr]  --> src/day9.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 |     use std::io::{self, prelude::*};
[INFO] [stderr]   |                   ^^^^  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `multiple`
[INFO] [stderr]    --> src/day9.rs:167:38
[INFO] [stderr]     |
[INFO] [stderr] 167 |     pub fn part2b(player_count: i32, multiple: i32, points: i32 ) -> usize {
[INFO] [stderr]     |                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_multiple`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `multiple`
[INFO] [stderr]    --> src/day9.rs:167:38
[INFO] [stderr]     |
[INFO] [stderr] 167 |     pub fn part2b(player_count: i32, multiple: i32, points: i32 ) -> usize {
[INFO] [stderr]     |                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_multiple`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.18s
[INFO] running `"docker" "inspect" "349929a9d8f40c9cf5ca04a373b872f233d7d85a5fdbb60f37fce315a84d3dc7"`
[INFO] running `"docker" "rm" "-f" "349929a9d8f40c9cf5ca04a373b872f233d7d85a5fdbb60f37fce315a84d3dc7"`
[INFO] [stdout] 349929a9d8f40c9cf5ca04a373b872f233d7d85a5fdbb60f37fce315a84d3dc7