[INFO] updating cached repository onelson/advent-of-code-2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/onelson/advent-of-code-2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/onelson/advent-of-code-2018" "work/ex/beta-1.38-1/sources/1.37.0/gh/onelson/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/onelson/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/onelson/advent-of-code-2018" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/onelson/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/onelson/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 273c429cb9076f6ee901ee8606e9efef28797c4b
[INFO] sha for GitHub repo onelson/advent-of-code-2018: 273c429cb9076f6ee901ee8606e9efef28797c4b
[INFO] validating manifest of onelson/advent-of-code-2018 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of onelson/advent-of-code-2018 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing onelson/advent-of-code-2018
[INFO] finished frobbing onelson/advent-of-code-2018
[INFO] frobbed toml for onelson/advent-of-code-2018 written to work/ex/beta-1.38-1/sources/1.37.0/gh/onelson/advent-of-code-2018/Cargo.toml
[INFO] started frobbing onelson/advent-of-code-2018
[INFO] finished frobbing onelson/advent-of-code-2018
[INFO] frobbed toml for onelson/advent-of-code-2018 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/onelson/advent-of-code-2018/Cargo.toml
[INFO] crate onelson/advent-of-code-2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing onelson/advent-of-code-2018 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/onelson/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 1a9c8e6c5281b593342bbfbf76c8dc3bdad2ac475d7000070bf67d7502d565de
[INFO] running `"docker" "start" "-a" "1a9c8e6c5281b593342bbfbf76c8dc3bdad2ac475d7000070bf67d7502d565de"`
[INFO] [stderr]    Compiling advent-of-code-2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `has_exact_count`
[INFO] [stderr]  --> src/bin/02-checksum.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn has_exact_count(count: usize, s: &str, chars: &HashSet<char>) -> usize {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `"docker" "inspect" "1a9c8e6c5281b593342bbfbf76c8dc3bdad2ac475d7000070bf67d7502d565de"`
[INFO] running `"docker" "rm" "-f" "1a9c8e6c5281b593342bbfbf76c8dc3bdad2ac475d7000070bf67d7502d565de"`
[INFO] [stdout] 1a9c8e6c5281b593342bbfbf76c8dc3bdad2ac475d7000070bf67d7502d565de
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/onelson/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] acf8efd2405d09ae7068fac2ffc44694641e2ff7ed0f3fa621f0bdaccdb9ab41
[INFO] running `"docker" "start" "-a" "acf8efd2405d09ae7068fac2ffc44694641e2ff7ed0f3fa621f0bdaccdb9ab41"`
[INFO] [stderr]    Compiling advent-of-code-2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `"docker" "inspect" "acf8efd2405d09ae7068fac2ffc44694641e2ff7ed0f3fa621f0bdaccdb9ab41"`
[INFO] running `"docker" "rm" "-f" "acf8efd2405d09ae7068fac2ffc44694641e2ff7ed0f3fa621f0bdaccdb9ab41"`
[INFO] [stdout] acf8efd2405d09ae7068fac2ffc44694641e2ff7ed0f3fa621f0bdaccdb9ab41
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/onelson/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] b26cd3a896c978224ee3c55a095841601014a49cd22837941c2d643c39123a91
[INFO] running `"docker" "start" "-a" "b26cd3a896c978224ee3c55a095841601014a49cd22837941c2d643c39123a91"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/01_calibration-1e25de864746cbf0
[INFO] [stderr]      Running /opt/crater/target/debug/deps/02_checksum-22211fcb5b7d9ae8
[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] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_match_pairs ... ok
[INFO] [stdout] test tests::test_match_quads ... ok
[INFO] [stdout] test tests::test_similars ... ok
[INFO] [stdout] test tests::test_match_triples ... ok
[INFO] [stdout] test tests::test_disimilars ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b26cd3a896c978224ee3c55a095841601014a49cd22837941c2d643c39123a91"`
[INFO] running `"docker" "rm" "-f" "b26cd3a896c978224ee3c55a095841601014a49cd22837941c2d643c39123a91"`
[INFO] [stdout] b26cd3a896c978224ee3c55a095841601014a49cd22837941c2d643c39123a91