[INFO] updating cached repository cengizIO/anagram-finder
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cengizIO/anagram-finder
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cengizIO/anagram-finder" "work/ex/beta-1.38-1/sources/1.37.0/gh/cengizIO/anagram-finder"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/cengizIO/anagram-finder'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cengizIO/anagram-finder" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cengizIO/anagram-finder"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cengizIO/anagram-finder'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f09d843ccfeb7e3d1b2f0ea58d689c52e34e9743
[INFO] sha for GitHub repo cengizIO/anagram-finder: f09d843ccfeb7e3d1b2f0ea58d689c52e34e9743
[INFO] validating manifest of cengizIO/anagram-finder 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 cengizIO/anagram-finder 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 cengizIO/anagram-finder
[INFO] finished frobbing cengizIO/anagram-finder
[INFO] frobbed toml for cengizIO/anagram-finder written to work/ex/beta-1.38-1/sources/1.37.0/gh/cengizIO/anagram-finder/Cargo.toml
[INFO] started frobbing cengizIO/anagram-finder
[INFO] finished frobbing cengizIO/anagram-finder
[INFO] frobbed toml for cengizIO/anagram-finder written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cengizIO/anagram-finder/Cargo.toml
[INFO] crate cengizIO/anagram-finder 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 cengizIO/anagram-finder 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cengizIO/anagram-finder:/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] 6b45a7b87665f938f01429f5ae7ee78154c9b9f34e468898183e9c01bf10f274
[INFO] running `"docker" "start" "-a" "6b45a7b87665f938f01429f5ae7ee78154c9b9f34e468898183e9c01bf10f274"`
[INFO] [stderr]    Compiling anagram v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/anagram.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let mut words_list = anagrams.entry(word_key).or_insert(Vec::new());
[INFO] [stderr]    |             ----^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "6b45a7b87665f938f01429f5ae7ee78154c9b9f34e468898183e9c01bf10f274"`
[INFO] running `"docker" "rm" "-f" "6b45a7b87665f938f01429f5ae7ee78154c9b9f34e468898183e9c01bf10f274"`
[INFO] [stdout] 6b45a7b87665f938f01429f5ae7ee78154c9b9f34e468898183e9c01bf10f274
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cengizIO/anagram-finder:/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] 41d3160965e110495defe91aec559c4547719e9d606c1b063afda0d787380c32
[INFO] running `"docker" "start" "-a" "41d3160965e110495defe91aec559c4547719e9d606c1b063afda0d787380c32"`
[INFO] [stderr]    Compiling anagram v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/anagram.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let mut words_list = anagrams.entry(word_key).or_insert(Vec::new());
[INFO] [stderr]    |             ----^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "41d3160965e110495defe91aec559c4547719e9d606c1b063afda0d787380c32"`
[INFO] running `"docker" "rm" "-f" "41d3160965e110495defe91aec559c4547719e9d606c1b063afda0d787380c32"`
[INFO] [stdout] 41d3160965e110495defe91aec559c4547719e9d606c1b063afda0d787380c32
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cengizIO/anagram-finder:/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] 000d81e872f82ead074ad9a899b78dddfa6607d70391506b9866aea58ced5748
[INFO] running `"docker" "start" "-a" "000d81e872f82ead074ad9a899b78dddfa6607d70391506b9866aea58ced5748"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/anagram-745c2333a313ccaa
[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] [stderr]      Running /opt/crater/target/debug/deps/anagram-2a1816f847bde863
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::test_case_insensitive_anagrams ... ignored
[INFO] [stdout] test tests::test_detect_anagram ... ignored
[INFO] [stdout] test tests::test_does_not_confuse_different_duplicates ... ignored
[INFO] [stdout] test tests::test_does_not_detect_a_differently_cased_unicode_word_as_its_own_anagram ... ignored
[INFO] [stdout] test tests::test_does_not_detect_a_differently_cased_word_as_its_own_anagram ... ignored
[INFO] [stdout] test tests::test_does_not_detect_a_word_as_its_own_anagram ... ignored
[INFO] [stdout] test tests::test_eliminate_anagram_subsets ... ignored
[INFO] [stdout] test tests::test_misleading_unicode_anagrams ... ignored
[INFO] [stdout] test tests::test_multiple_anagrams ... ignored
[INFO] [stdout] test tests::test_unicode_anagrams ... ignored
[INFO] [stdout] test tests::test_no_matches ... ok
[INFO] [stdout] test tests::test_detect_simple_anagram ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 10 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests anagram
[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" "000d81e872f82ead074ad9a899b78dddfa6607d70391506b9866aea58ced5748"`
[INFO] running `"docker" "rm" "-f" "000d81e872f82ead074ad9a899b78dddfa6607d70391506b9866aea58ced5748"`
[INFO] [stdout] 000d81e872f82ead074ad9a899b78dddfa6607d70391506b9866aea58ced5748