[INFO] updating cached repository c-stoeckl/advent-of-code-2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/c-stoeckl/advent-of-code-2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/c-stoeckl/advent-of-code-2018" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/c-stoeckl/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/c-stoeckl/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/c-stoeckl/advent-of-code-2018" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/c-stoeckl/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/c-stoeckl/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d6210ec0e9ff0bbcbd9b0c7e21ead2ba678a3080
[INFO] sha for GitHub repo c-stoeckl/advent-of-code-2018: d6210ec0e9ff0bbcbd9b0c7e21ead2ba678a3080
[INFO] validating manifest of c-stoeckl/advent-of-code-2018 on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of c-stoeckl/advent-of-code-2018 on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing c-stoeckl/advent-of-code-2018
[INFO] finished frobbing c-stoeckl/advent-of-code-2018
[INFO] frobbed toml for c-stoeckl/advent-of-code-2018 written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/c-stoeckl/advent-of-code-2018/Cargo.toml
[INFO] started frobbing c-stoeckl/advent-of-code-2018
[INFO] finished frobbing c-stoeckl/advent-of-code-2018
[INFO] frobbed toml for c-stoeckl/advent-of-code-2018 written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/c-stoeckl/advent-of-code-2018/Cargo.toml
[INFO] crate c-stoeckl/advent-of-code-2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking c-stoeckl/advent-of-code-2018 against master#0f88167f89fffe321590c5148f21b7d51d44388d for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-0/master#0f88167f89fffe321590c5148f21b7d51d44388d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/c-stoeckl/advent-of-code-2018:/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" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fdc7dbc39b47b7c9acfaa9db9b14e56f618885e614190a5d3e59be7b1421383a
[INFO] running `"docker" "start" "-a" "fdc7dbc39b47b7c9acfaa9db9b14e56f618885e614190a5d3e59be7b1421383a"`
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `fav_min`
[INFO] [stderr]   --> src/day_4/mod.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let fav_min = sleep.values().max().unwrap();
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_fav_min`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fav_min`
[INFO] [stderr]   --> src/day_4/mod.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let fav_min = sleep.values().max().unwrap();
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_fav_min`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `"docker" "inspect" "fdc7dbc39b47b7c9acfaa9db9b14e56f618885e614190a5d3e59be7b1421383a"`
[INFO] running `"docker" "rm" "-f" "fdc7dbc39b47b7c9acfaa9db9b14e56f618885e614190a5d3e59be7b1421383a"`
[INFO] [stdout] fdc7dbc39b47b7c9acfaa9db9b14e56f618885e614190a5d3e59be7b1421383a