[INFO] updating cached repository nrxus/advent_2017
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nrxus/advent_2017
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nrxus/advent_2017" "work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/nrxus/advent_2017"`
[INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/nrxus/advent_2017'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nrxus/advent_2017" "work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/nrxus/advent_2017"`
[INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/nrxus/advent_2017'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4abb77f550878b32611a23958c89ad9c31662b8d
[INFO] sha for GitHub repo nrxus/advent_2017: 4abb77f550878b32611a23958c89ad9c31662b8d
[INFO] validating manifest of nrxus/advent_2017 on toolchain master#e2f221c75932de7a29845c8d6f1f73536ad00c41
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nrxus/advent_2017 on toolchain try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nrxus/advent_2017
[INFO] finished frobbing nrxus/advent_2017
[INFO] frobbed toml for nrxus/advent_2017 written to work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/nrxus/advent_2017/Cargo.toml
[INFO] started frobbing nrxus/advent_2017
[INFO] finished frobbing nrxus/advent_2017
[INFO] frobbed toml for nrxus/advent_2017 written to work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/nrxus/advent_2017/Cargo.toml
[INFO] crate nrxus/advent_2017 has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking nrxus/advent_2017 against master#e2f221c75932de7a29845c8d6f1f73536ad00c41 for pr-57617
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57617/worker-5/master#e2f221c75932de7a29845c8d6f1f73536ad00c41:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/nrxus/advent_2017:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 83b5b11e54f77a04394bf527a54f375b0505d58c9a89413dc0dca1efa82db819
[INFO] running `"docker" "start" "-a" "83b5b11e54f77a04394bf527a54f375b0505d58c9a89413dc0dca1efa82db819"`
[INFO] [stderr]     Checking advent_2017 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/solvers/three.rs:21:10
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn b(input: u32) -> u32 {
[INFO] [stderr]    |          ^^^^^ help: consider using `_input` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/solvers/three.rs:21:10
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn b(input: u32) -> u32 {
[INFO] [stderr]    |          ^^^^^ help: consider using `_input` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "83b5b11e54f77a04394bf527a54f375b0505d58c9a89413dc0dca1efa82db819"`
[INFO] running `"docker" "rm" "-f" "83b5b11e54f77a04394bf527a54f375b0505d58c9a89413dc0dca1efa82db819"`
[INFO] [stdout] 83b5b11e54f77a04394bf527a54f375b0505d58c9a89413dc0dca1efa82db819