[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/beta-1.37-6/sources/1.36.0/gh/c-stoeckl/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/gh/c-stoeckl/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of c-stoeckl/advent-of-code-2018 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing c-stoeckl/advent-of-code-2018 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] f19ec99d7ea2ababa2357df2f1e68c51f65e39f6de05725f45ac89018cf38577
[INFO] running `"docker" "start" "-a" "f19ec99d7ea2ababa2357df2f1e68c51f65e39f6de05725f45ac89018cf38577"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `"docker" "inspect" "f19ec99d7ea2ababa2357df2f1e68c51f65e39f6de05725f45ac89018cf38577"`
[INFO] running `"docker" "rm" "-f" "f19ec99d7ea2ababa2357df2f1e68c51f65e39f6de05725f45ac89018cf38577"`
[INFO] [stdout] f19ec99d7ea2ababa2357df2f1e68c51f65e39f6de05725f45ac89018cf38577
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4a71fae031d59b0508b76eac9199e50f3711657b310b05f15320fd8f5b0bdcd8
[INFO] running `"docker" "start" "-a" "4a71fae031d59b0508b76eac9199e50f3711657b310b05f15320fd8f5b0bdcd8"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "4a71fae031d59b0508b76eac9199e50f3711657b310b05f15320fd8f5b0bdcd8"`
[INFO] running `"docker" "rm" "-f" "4a71fae031d59b0508b76eac9199e50f3711657b310b05f15320fd8f5b0bdcd8"`
[INFO] [stdout] 4a71fae031d59b0508b76eac9199e50f3711657b310b05f15320fd8f5b0bdcd8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 6f176c7d0a40f75238ad88d5f3eadedc45cb3a5952eb28bda073bc3aa6b9c594
[INFO] running `"docker" "start" "-a" "6f176c7d0a40f75238ad88d5f3eadedc45cb3a5952eb28bda073bc3aa6b9c594"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/aoc-35ee4261185eb628
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/aoc-01e7bfe254e4ab55
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lib::tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests aoc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6f176c7d0a40f75238ad88d5f3eadedc45cb3a5952eb28bda073bc3aa6b9c594"`
[INFO] running `"docker" "rm" "-f" "6f176c7d0a40f75238ad88d5f3eadedc45cb3a5952eb28bda073bc3aa6b9c594"`
[INFO] [stdout] 6f176c7d0a40f75238ad88d5f3eadedc45cb3a5952eb28bda073bc3aa6b9c594