[INFO] cloning repository kenrick95/adventofcode2017
[INFO] running `"git" "clone" "--bare" "git://github.com/kenrick95/adventofcode2017.git" "work/cache/sources/gh/kenrick95/adventofcode2017"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/kenrick95/adventofcode2017'...
[INFO] running `"git" "clone" "work/cache/sources/gh/kenrick95/adventofcode2017" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/kenrick95/adventofcode2017"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/kenrick95/adventofcode2017'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kenrick95/adventofcode2017" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/kenrick95/adventofcode2017"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/kenrick95/adventofcode2017'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 75b1830f323d6de54e59c637eb7893cf09257f77
[INFO] sha for GitHub repo kenrick95/adventofcode2017: 75b1830f323d6de54e59c637eb7893cf09257f77
[INFO] validating manifest of kenrick95/adventofcode2017 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kenrick95/adventofcode2017 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kenrick95/adventofcode2017
[INFO] finished frobbing kenrick95/adventofcode2017
[INFO] frobbed toml for kenrick95/adventofcode2017 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/kenrick95/adventofcode2017/Cargo.toml
[INFO] started frobbing kenrick95/adventofcode2017
[INFO] finished frobbing kenrick95/adventofcode2017
[INFO] frobbed toml for kenrick95/adventofcode2017 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/kenrick95/adventofcode2017/Cargo.toml
[INFO] crate kenrick95/adventofcode2017 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking kenrick95/adventofcode2017 against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/kenrick95/adventofcode2017:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8a24e6197dc19edb5e89dde6f454b2303d1be17dca57689d3b0227a1fe1986dc
[INFO] running `"docker" "start" "-a" "8a24e6197dc19edb5e89dde6f454b2303d1be17dca57689d3b0227a1fe1986dc"`
[INFO] [stderr]     Checking regex v0.2.5
[INFO] [stderr]     Checking aoc2017 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day23part2.rs:15:7
[INFO] [stderr]    |
[INFO] [stderr] 15 |   let mut e = 2;
[INFO] [stderr]    |       ----^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day23part2.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 |   let mut g = 0;
[INFO] [stderr]    |       ----^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day23part2.rs:15:7
[INFO] [stderr]    |
[INFO] [stderr] 15 |   let mut e = 2;
[INFO] [stderr]    |       ----^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day23part2.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 |   let mut g = 0;
[INFO] [stderr]    |       ----^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.10s
[INFO] running `"docker" "inspect" "8a24e6197dc19edb5e89dde6f454b2303d1be17dca57689d3b0227a1fe1986dc"`
[INFO] running `"docker" "rm" "-f" "8a24e6197dc19edb5e89dde6f454b2303d1be17dca57689d3b0227a1fe1986dc"`
[INFO] [stdout] 8a24e6197dc19edb5e89dde6f454b2303d1be17dca57689d3b0227a1fe1986dc