[INFO] cloning repository kidpollo/advent-2018
[INFO] running `"git" "clone" "--bare" "git://github.com/kidpollo/advent-2018.git" "work/cache/sources/gh/kidpollo/advent-2018"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/kidpollo/advent-2018'...
[INFO] running `"git" "clone" "work/cache/sources/gh/kidpollo/advent-2018" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/kidpollo/advent-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/kidpollo/advent-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kidpollo/advent-2018" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/kidpollo/advent-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/kidpollo/advent-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2f65cb72e4cad311c4da323ddee9278d5c331ea2
[INFO] sha for GitHub repo kidpollo/advent-2018: 2f65cb72e4cad311c4da323ddee9278d5c331ea2
[INFO] validating manifest of kidpollo/advent-2018 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 kidpollo/advent-2018 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 kidpollo/advent-2018
[INFO] finished frobbing kidpollo/advent-2018
[INFO] frobbed toml for kidpollo/advent-2018 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/kidpollo/advent-2018/Cargo.toml
[INFO] started frobbing kidpollo/advent-2018
[INFO] finished frobbing kidpollo/advent-2018
[INFO] frobbed toml for kidpollo/advent-2018 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/kidpollo/advent-2018/Cargo.toml
[INFO] crate kidpollo/advent-2018 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 kidpollo/advent-2018 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-7/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/kidpollo/advent-2018:/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6d81fe822b22f6d5b66f17008e0492d383f977e4f2b14767b910fba6acafc5d0
[INFO] running `"docker" "start" "-a" "6d81fe822b22f6d5b66f17008e0492d383f977e4f2b14767b910fba6acafc5d0"`
[INFO] [stderr]     Checking advent-of-code-2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/bin/day2-part1.rs:24:14
[INFO] [stderr]    |
[INFO] [stderr] 24 |         for (key, val) in leters.iter() {
[INFO] [stderr]    |              ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/bin/day2-part1.rs:24:14
[INFO] [stderr]    |
[INFO] [stderr] 24 |         for (key, val) in leters.iter() {
[INFO] [stderr]    |              ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.70s
[INFO] running `"docker" "inspect" "6d81fe822b22f6d5b66f17008e0492d383f977e4f2b14767b910fba6acafc5d0"`
[INFO] running `"docker" "rm" "-f" "6d81fe822b22f6d5b66f17008e0492d383f977e4f2b14767b910fba6acafc5d0"`
[INFO] [stdout] 6d81fe822b22f6d5b66f17008e0492d383f977e4f2b14767b910fba6acafc5d0