[INFO] cloning repository DavidVentura/Advent_of_code_2018
[INFO] running `"git" "clone" "--bare" "git://github.com/DavidVentura/Advent_of_code_2018.git" "work/cache/sources/gh/DavidVentura/Advent_of_code_2018"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/DavidVentura/Advent_of_code_2018'...
[INFO] running `"git" "clone" "work/cache/sources/gh/DavidVentura/Advent_of_code_2018" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/DavidVentura/Advent_of_code_2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/DavidVentura/Advent_of_code_2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DavidVentura/Advent_of_code_2018" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/DavidVentura/Advent_of_code_2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/DavidVentura/Advent_of_code_2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f47c3174b00b46c60215295f24840085cf27f356
[INFO] sha for GitHub repo DavidVentura/Advent_of_code_2018: f47c3174b00b46c60215295f24840085cf27f356
[INFO] validating manifest of DavidVentura/Advent_of_code_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 DavidVentura/Advent_of_code_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 DavidVentura/Advent_of_code_2018
[INFO] finished frobbing DavidVentura/Advent_of_code_2018
[INFO] frobbed toml for DavidVentura/Advent_of_code_2018 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/DavidVentura/Advent_of_code_2018/Cargo.toml
[INFO] started frobbing DavidVentura/Advent_of_code_2018
[INFO] finished frobbing DavidVentura/Advent_of_code_2018
[INFO] frobbed toml for DavidVentura/Advent_of_code_2018 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/DavidVentura/Advent_of_code_2018/Cargo.toml
[INFO] crate DavidVentura/Advent_of_code_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] checking DavidVentura/Advent_of_code_2018 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/DavidVentura/Advent_of_code_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] f0fecdac17dccd9198cfd30fb8342e5e0124555951b8b9889a2daa57ffa9958e
[INFO] running `"docker" "start" "-a" "f0fecdac17dccd9198cfd30fb8342e5e0124555951b8b9889a2daa57ffa9958e"`
[INFO] [stderr]     Checking tokio-threadpool v0.1.9
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio v0.1.13
[INFO] [stderr]     Checking hyper v0.12.19
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.5
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/aoc_2.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     for i in 0..word1.len() {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/aoc_2.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |     for i in 0..word1.len() {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/aoc_2.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     for i in 0..word1.len() {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/aoc_2.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |     for i in 0..word1.len() {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.95s
[INFO] running `"docker" "inspect" "f0fecdac17dccd9198cfd30fb8342e5e0124555951b8b9889a2daa57ffa9958e"`
[INFO] running `"docker" "rm" "-f" "f0fecdac17dccd9198cfd30fb8342e5e0124555951b8b9889a2daa57ffa9958e"`
[INFO] [stdout] f0fecdac17dccd9198cfd30fb8342e5e0124555951b8b9889a2daa57ffa9958e