[INFO] updating cached repository Kerollmops/group-by
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Kerollmops/group-by
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Kerollmops/group-by" "work/ex/beta-1.38-1/sources/1.37.0/gh/Kerollmops/group-by"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Kerollmops/group-by'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Kerollmops/group-by" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Kerollmops/group-by"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Kerollmops/group-by'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e899b952ca4f054bd3dd79e69050b3893688f377
[INFO] sha for GitHub repo Kerollmops/group-by: e899b952ca4f054bd3dd79e69050b3893688f377
[INFO] validating manifest of Kerollmops/group-by 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 Kerollmops/group-by 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 Kerollmops/group-by
[INFO] finished frobbing Kerollmops/group-by
[INFO] frobbed toml for Kerollmops/group-by written to work/ex/beta-1.38-1/sources/1.37.0/gh/Kerollmops/group-by/Cargo.toml
[INFO] started frobbing Kerollmops/group-by
[INFO] finished frobbing Kerollmops/group-by
[INFO] frobbed toml for Kerollmops/group-by written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Kerollmops/group-by/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 Kerollmops/group-by 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Kerollmops/group-by:/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] 8ecc43498668f1e8de44ac09d7e3ab516d6aaa264cb77de1fce250dc0045f079
[INFO] running `"docker" "start" "-a" "8ecc43498668f1e8de44ac09d7e3ab516d6aaa264cb77de1fce250dc0045f079"`
[INFO] [stderr]    Compiling slice-group-by v0.2.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "8ecc43498668f1e8de44ac09d7e3ab516d6aaa264cb77de1fce250dc0045f079"`
[INFO] running `"docker" "rm" "-f" "8ecc43498668f1e8de44ac09d7e3ab516d6aaa264cb77de1fce250dc0045f079"`
[INFO] [stdout] 8ecc43498668f1e8de44ac09d7e3ab516d6aaa264cb77de1fce250dc0045f079
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Kerollmops/group-by:/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] c9d8b400ba329b7274b29a0a1bbb892f1f2e965ad45ec379c149e977ab7daa5b
[INFO] running `"docker" "start" "-a" "c9d8b400ba329b7274b29a0a1bbb892f1f2e965ad45ec379c149e977ab7daa5b"`
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling slice-group-by v0.2.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.39s
[INFO] running `"docker" "inspect" "c9d8b400ba329b7274b29a0a1bbb892f1f2e965ad45ec379c149e977ab7daa5b"`
[INFO] running `"docker" "rm" "-f" "c9d8b400ba329b7274b29a0a1bbb892f1f2e965ad45ec379c149e977ab7daa5b"`
[INFO] [stdout] c9d8b400ba329b7274b29a0a1bbb892f1f2e965ad45ec379c149e977ab7daa5b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Kerollmops/group-by:/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] 18c506f24f48119f447efcf2a840dfbcada899626825548fe07ba042ac37a7f4
[INFO] running `"docker" "start" "-a" "18c506f24f48119f447efcf2a840dfbcada899626825548fe07ba042ac37a7f4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/slice_group_by-ce525acff71ecd8b
[INFO] [stdout] 
[INFO] [stdout] running 55 tests
[INFO] [stdout] test binary_group_by::tests::back_one_little_group ... ok
[INFO] [stdout] test binary_group_by::tests::back_fused_iterator ... ok
[INFO] [stdout] test binary_group_by::tests::back_three_groups ... ok
[INFO] [stdout] test binary_group_by::tests::back_empty_slice ... ok
[INFO] [stdout] test binary_group_by::tests::back_three_little_groups ... ok
[INFO] [stdout] test binary_group_by::tests::double_ended_dont_cross ... ok
[INFO] [stdout] test binary_group_by::tests::last_three_groups ... ok
[INFO] [stdout] test binary_group_by::tests::last_overflow ... ok
[INFO] [stdout] test binary_group_by::tests::last_three_little_groups ... ok
[INFO] [stdout] test binary_group_by::tests::one_big_group ... ok
[INFO] [stdout] test binary_group_by::tests::overflow ... ok
[INFO] [stdout] test binary_group_by::tests::fused_iterator ... ok
[INFO] [stdout] test binary_group_by::tests::three_groups ... ok
[INFO] [stdout] test binary_group_by::tests::three_little_groups ... ok
[INFO] [stdout] test binary_group_by::tests::two_little_equal_groups ... ok
[INFO] [stdout] test exponential_group_by::tests::back_empty_slice ... ok
[INFO] [stdout] test binary_group_by::tests::two_equal_groups ... ok
[INFO] [stdout] test exponential_group_by::tests::back_one_little_group ... ok
[INFO] [stdout] test exponential_group_by::tests::back_three_little_groups ... ok
[INFO] [stdout] test exponential_group_by::tests::back_three_groups ... ok
[INFO] [stdout] test exponential_group_by::tests::back_fused_iterator ... ok
[INFO] [stdout] test exponential_group_by::tests::double_ended_dont_cross ... ok
[INFO] [stdout] test exponential_group_by::tests::last_overflow ... ok
[INFO] [stdout] test exponential_group_by::tests::fused_iterator ... ok
[INFO] [stdout] test exponential_group_by::tests::last_three_groups ... ok
[INFO] [stdout] test exponential_group_by::tests::two_equal_groups ... ok
[INFO] [stdout] test exponential_group_by::tests::last_three_little_groups ... ok
[INFO] [stdout] test exponential_group_by::tests::three_little_groups ... ok
[INFO] [stdout] test exponential_group_by::tests::one_big_group ... ok
[INFO] [stdout] test exponential_group_by::tests::overflow ... ok
[INFO] [stdout] test exponential_group_by::tests::three_groups ... ok
[INFO] [stdout] test exponential_group_by::tests::two_little_equal_groups ... ok
[INFO] [stdout] test linear_group_by::tests::back_empty_slice ... ok
[INFO] [stdout] test linear_group_by::tests::last_overflow ... ok
[INFO] [stdout] test linear_group_by::tests::back_three_groups ... ok
[INFO] [stdout] test linear_group_by::tests::back_three_little_groups ... ok
[INFO] [stdout] test linear_group_by::tests::back_one_little_group ... ok
[INFO] [stdout] test linear_group_by::tests::back_fused_iterator ... ok
[INFO] [stdout] test linear_group_by::tests::double_ended_dont_cross ... ok
[INFO] [stdout] test linear_group_by::tests::overflow ... ok
[INFO] [stdout] test linear_group_by::tests::one_big_group ... ok
[INFO] [stdout] test linear_group_by::tests::last_three_little_groups ... ok
[INFO] [stdout] test linear_group_by::tests::last_three_groups ... ok
[INFO] [stdout] test linear_group_by::tests::fused_iterator ... ok
[INFO] [stdout] test linear_group_by::tests::predicate_call_param_order ... ok
[INFO] [stdout] test linear_group_by::tests::rev_predicate_call_param_order ... ok
[INFO] [stdout] test linear_group_by::tests::three_groups ... ok
[INFO] [stdout] test linear_group_by::tests::three_little_groups ... ok
[INFO] [stdout] test linear_group_by::tests::two_equal_groups ... ok
[INFO] [stdout] test linear_group_by::tests::two_little_equal_groups ... ok
[INFO] [stdout] test linear_str_group_by::tests::str_ascii_cjk ... ok
[INFO] [stdout] test linear_str_group_by::tests::str_rev_ascii_cjk ... ok
[INFO] [stdout] test linear_str_group_by::tests::str_easy ... ok
[INFO] [stdout] test linear_str_group_by::tests::str_kanji ... ok
[INFO] [stdout] test linear_str_group_by::tests::str_rev_easy ... ok
[INFO] [stderr]    Doc-tests slice-group-by
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 55 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs -  (line 51) ... ok
[INFO] [stdout] test src/lib.rs -  (line 29) ... ok
[INFO] [stdout] test src/lib.rs - exponential_search_by_key (line 271) ... ok
[INFO] [stdout] test src/lib.rs -  (line 10) ... ok
[INFO] [stdout] test src/lib.rs - exponential_search (line 190) ... ok
[INFO] [stdout] test src/lib.rs - exponential_search_by (line 224) ... ok
[INFO] [stdout] test src/lib.rs -  (line 68) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "18c506f24f48119f447efcf2a840dfbcada899626825548fe07ba042ac37a7f4"`
[INFO] running `"docker" "rm" "-f" "18c506f24f48119f447efcf2a840dfbcada899626825548fe07ba042ac37a7f4"`
[INFO] [stdout] 18c506f24f48119f447efcf2a840dfbcada899626825548fe07ba042ac37a7f4