[INFO] crate itertools 0.8.0 is already in cache
[INFO] extracting crate itertools 0.8.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/itertools/0.8.0
[INFO] extracting crate itertools 0.8.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/itertools/0.8.0
[INFO] validating manifest of itertools-0.8.0 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 itertools-0.8.0 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 itertools-0.8.0
[INFO] finished frobbing itertools-0.8.0
[INFO] frobbed toml for itertools-0.8.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/itertools/0.8.0/Cargo.toml
[INFO] started frobbing itertools-0.8.0
[INFO] finished frobbing itertools-0.8.0
[INFO] frobbed toml for itertools-0.8.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/itertools/0.8.0/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 itertools-0.8.0 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/itertools/0.8.0:/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] 1d20de12573542b2757fe8ff8815a5763b0dad51a30c01d17ef29e9cb855883c
[INFO] running `"docker" "start" "-a" "1d20de12573542b2757fe8ff8815a5763b0dad51a30c01d17ef29e9cb855883c"`
[INFO] [stderr]    Compiling itertools v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/format.rs:32:34
[INFO] [stderr]    |
[INFO] [stderr] 32 |           F: FnMut(I::Item, &mut FnMut(&fmt::Display) -> fmt::Result) -> fmt::Result
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&fmt::Display) -> fmt::Result`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/format.rs:32:41
[INFO] [stderr]    |
[INFO] [stderr] 32 |           F: FnMut(I::Item, &mut FnMut(&fmt::Display) -> fmt::Result) -> fmt::Result
[INFO] [stderr]    |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/format.rs:51:34
[INFO] [stderr]    |
[INFO] [stderr] 51 |           F: FnMut(I::Item, &mut FnMut(&fmt::Display) -> fmt::Result) -> fmt::Result
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&fmt::Display) -> fmt::Result`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/format.rs:51:41
[INFO] [stderr]    |
[INFO] [stderr] 51 |           F: FnMut(I::Item, &mut FnMut(&fmt::Display) -> fmt::Result) -> fmt::Result
[INFO] [stderr]    |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/format.rs:60:43
[INFO] [stderr]    |
[INFO] [stderr] 60 |             try!(format(fst, &mut |disp: &fmt::Display| disp.fmt(f)));
[INFO] [stderr]    |                                           ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/format.rs:66:47
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 try!(format(elt, &mut |disp: &fmt::Display| disp.fmt(f)));
[INFO] [stderr]    |                                               ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1535:41
[INFO] [stderr]      |
[INFO] [stderr] 1535 |               F: FnMut(Self::Item, &mut FnMut(&fmt::Display) -> fmt::Result) -> fmt::Result,
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&fmt::Display) -> fmt::Result`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1535:48
[INFO] [stderr]      |
[INFO] [stderr] 1535 |               F: FnMut(Self::Item, &mut FnMut(&fmt::Display) -> fmt::Result) -> fmt::Result,
[INFO] [stderr]      |                                                ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `"docker" "inspect" "1d20de12573542b2757fe8ff8815a5763b0dad51a30c01d17ef29e9cb855883c"`
[INFO] running `"docker" "rm" "-f" "1d20de12573542b2757fe8ff8815a5763b0dad51a30c01d17ef29e9cb855883c"`
[INFO] [stdout] 1d20de12573542b2757fe8ff8815a5763b0dad51a30c01d17ef29e9cb855883c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/itertools/0.8.0:/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] 6c247f50ee71bf6f85cd223b00cd0c4db1649fff72f8cc1416569381dfaeb6d3
[INFO] running `"docker" "start" "-a" "6c247f50ee71bf6f85cd223b00cd0c4db1649fff72f8cc1416569381dfaeb6d3"`
[INFO] [stderr]    Compiling quickcheck v0.7.2
[INFO] [stderr]    Compiling itertools v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/test_std.rs:183:41
[INFO] [stderr]     |
[INFO] [stderr] 183 |     let mut it = Box::new(0..10) as Box<Iterator<Item=i32>>;
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=i32>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/test_std.rs:188:22
[INFO] [stderr]     |
[INFO] [stderr] 188 |         let jt: &mut Iterator<Item = i32> = &mut *it;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = i32>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/quick.rs:88:29
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn shrink(&self) -> Box<Iterator<Item=Self>> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Self>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/quick.rs:179:29
[INFO] [stderr]     |
[INFO] [stderr] 179 |     fn shrink(&self) -> Box<Iterator<Item=Iter<T, HK>>>
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Iter<T, HK>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/quick.rs:945:29
[INFO] [stderr]     |
[INFO] [stderr] 945 |     fn shrink(&self) -> Box<Iterator<Item = Self>> {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.34s
[INFO] running `"docker" "inspect" "6c247f50ee71bf6f85cd223b00cd0c4db1649fff72f8cc1416569381dfaeb6d3"`
[INFO] running `"docker" "rm" "-f" "6c247f50ee71bf6f85cd223b00cd0c4db1649fff72f8cc1416569381dfaeb6d3"`
[INFO] [stdout] 6c247f50ee71bf6f85cd223b00cd0c4db1649fff72f8cc1416569381dfaeb6d3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/itertools/0.8.0:/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] b38c372b16220f0978dcb8fe086a3142520e6a064cfa7e5394ecd4f3c1cb6058
[INFO] running `"docker" "start" "-a" "b38c372b16220f0978dcb8fe086a3142520e6a064cfa7e5394ecd4f3c1cb6058"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/merge_join-b71c08f16d323ce7
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test empty ... ok
[INFO] [stdout] test first_left_then_right ... ok
[INFO] [stdout] test interspersed_left_and_right ... ok
[INFO] [stdout] test overlapping_left_and_right ... ok
[INFO] [stdout] test first_right_then_left ... ok
[INFO] [stdout] test left_only ... ok
[INFO] [stdout] test right_only ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/peeking_take_while-47a1ae6651498281
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test peeking_take_while_peekable ... ok
[INFO] [stdout] test peeking_take_while_put_back_n ... ok
[INFO] [stdout] test peeking_take_while_slice_iter_rev ... ok
[INFO] [stdout] test peeking_take_while_slice_iter ... ok
[INFO] [stdout] test peeking_take_while_put_back ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/quick-9f776dc5c759003f
[INFO] [stdout] running 66 tests
[INFO] [stdout] test collect_tuple_matches_size ... ok
[INFO] [stdout] test equal_chunks_lazy ... ok
[INFO] [stdout] test count_unique ... ok
[INFO] [stdout] test correct_group_map_modulo_key ... ok
[INFO] [stdout] test equal_dedup ... ok
[INFO] [stdout] test equal_intersperse ... ok
[INFO] [stdout] test equal_combinations_2 ... ok
[INFO] [stdout] test equal_combinations ... ok
[INFO] [stdout] test equal_kmerge ... ok
[INFO] [stdout] test equal_merge ... ok
[INFO] [stdout] test equal_partition ... ok
[INFO] [stdout] test equal_step ... ok
[INFO] [stdout] test equal_step_vec ... ok
[INFO] [stdout] test equal_tuple_windows_1 ... ok
[INFO] [stdout] test equal_tuple_windows_3 ... ok
[INFO] [stdout] test equal_tuple_windows_2 ... ok
[INFO] [stdout] test equal_tuples_1 ... ok
[INFO] [stdout] test equal_tuples_2 ... ok
[INFO] [stdout] test equal_tuple_windows_4 ... ok
[INFO] [stdout] test equal_tuples_3 ... ok
[INFO] [stdout] test equal_tuples_4 ... ok
[INFO] [stdout] test exact_interleave ... ok
[INFO] [stdout] test equal_zip_eq ... ok
[INFO] [stdout] test exact_interleave_shortest ... ok
[INFO] [stdout] test exact_repeatn ... ok
[INFO] [stdout] test exact_tuple_buffer ... ok
[INFO] [stdout] test fuzz_group_by_lazy_1 ... ok
[INFO] [stdout] test fuzz_group_by_lazy_2 ... ok
[INFO] [stdout] test fuzz_group_by_lazy_3 ... ok
[INFO] [stdout] test fuzz_group_by_lazy_duo ... ok
[INFO] [stdout] test minmax ... ok
[INFO] [stdout] test minmax_f64 ... ok
[INFO] [stdout] test size_2_zip_longest ... ok
[INFO] [stdout] test size_dedup ... ok
[INFO] [stdout] test size_interleave ... ok
[INFO] [stdout] test size_interleave_shortest ... ok
[INFO] [stdout] test size_intersperse ... ok
[INFO] [stdout] test size_kmerge ... ok
[INFO] [stdout] test size_merge ... ok
[INFO] [stdout] test correct_cartesian_product3 ... ok
[INFO] [stdout] test size_combinations ... ok
[INFO] [stdout] test size_multipeek ... ok
[INFO] [stdout] test size_pad_tail2 ... ok
[INFO] [stdout] test size_pad_tail ... ok
[INFO] [stdout] test size_product ... ok
[INFO] [stdout] test size_put_back ... ok
[INFO] [stdout] test size_put_backn ... ok
[INFO] [stdout] test size_step ... ok
[INFO] [stdout] test size_take_while_ref ... ok
[INFO] [stdout] test size_tee ... ok
[INFO] [stdout] test size_tee_2 ... ok
[INFO] [stdout] test size_unique ... ok
[INFO] [stdout] test size_zip ... ok
[INFO] [stdout] test size_zip_longest ... ok
[INFO] [stdout] test size_zip_macro ... ok
[INFO] [stdout] test equal_kmerge_2 ... ok
[INFO] [stdout] test size_zip_rc ... ok
[INFO] [stdout] test tree_fold1_f64 ... ok
[INFO] [stdout] test with_position_exact_size_1 ... ok
[INFO] [stdout] test equal_kmerge_by_ge ... ok
[INFO] [stdout] test with_position_exact_size_2 ... ok
[INFO] [stdout] test size_product3 ... ok
[INFO] [stdout] test equal_kmerge_by_le ... ok
[INFO] [stdout] test equal_kmerge_by_lt ... ok
[INFO] [stdout] test size_multi_product ... ok
[INFO] [stdout] test correct_multi_product3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 66 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_core-f394e1aad1aecf56
[INFO] [stdout] running 18 tests
[INFO] [stdout] test merge ... ok
[INFO] [stdout] test izip_macro ... ok
[INFO] [stdout] test izip3 ... ok
[INFO] [stdout] test izip2 ... ok
[INFO] [stdout] test foreach ... ok
[INFO] [stdout] test dropping ... ok
[INFO] [stdout] test part ... ok
[INFO] [stdout] test product2 ... ok
[INFO] [stdout] test product_temporary ... ok
[INFO] [stdout] test repeatn ... ok
[INFO] [stdout] test count_clones ... ok
[INFO] [stdout] test test_interleave ... ok
[INFO] [stdout] test step ... ok
[INFO] [stdout] test test_put_back ... ok
[INFO] [stdout] test tree_fold1 ... ok
[INFO] [stdout] test write_to ... ok
[INFO] [stdout] test multizip3 ... ok
[INFO] [stdout] test batching ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_std-82d5c846cd62f57f
[INFO] [stdout] 
[INFO] [stdout] running 42 tests
[INFO] [stdout] test combinations ... ok
[INFO] [stdout] test combinations_zero ... ok
[INFO] [stdout] test combinations_of_too_short ... ok
[INFO] [stdout] test all_equal ... ok
[INFO] [stdout] test chunks ... ok
[INFO] [stdout] test format ... ok
[INFO] [stdout] test group_by ... ok
[INFO] [stdout] test group_by_lazy_2 ... ok
[INFO] [stdout] test group_by_lazy_3 ... ok
[INFO] [stdout] test interleave_shortest ... ok
[INFO] [stdout] test intersperse ... ok
[INFO] [stdout] test join ... ok
[INFO] [stdout] test kmerge ... ok
[INFO] [stdout] test kmerge_2 ... ok
[INFO] [stdout] test kmerge_empty ... ok
[INFO] [stdout] test kmerge_empty_size_hint ... ok
[INFO] [stdout] test kmerge_size_hint ... ok
[INFO] [stdout] test merge_by ... ok
[INFO] [stdout] test merge_by_btree ... ok
[INFO] [stdout] test minmax ... ok
[INFO] [stdout] test pad_using ... ok
[INFO] [stdout] test diff_mismatch ... ok
[INFO] [stdout] test diff_shorter ... ok
[INFO] [stdout] test diff_longer ... ok
[INFO] [stdout] test dedup ... ok
[INFO] [stdout] test concat_empty ... ok
[INFO] [stdout] test concat_non_empty ... ok
[INFO] [stdout] test fold_while ... ok
[INFO] [stdout] test product3 ... ok
[INFO] [stdout] test sorted_by ... ok
[INFO] [stdout] test sorted_by_key ... ok
[INFO] [stdout] test tee ... ok
[INFO] [stdout] test test_multipeek ... ok
[INFO] [stdout] test test_multipeek_peeking_next ... ok
[INFO] [stdout] test test_multipeek_reset ... ok
[INFO] [stdout] test test_rciter ... ok
[INFO] [stdout] test test_put_back_n ... ok
[INFO] [stdout] test trait_pointers ... ok
[INFO] [stdout] test tree_fold1 ... ok
[INFO] [stdout] test unique ... ok
[INFO] [stdout] test unique_by ... ok
[INFO] [stdout] test while_some ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 42 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test collect_tuple ... ok
[INFO] [stdout] test tuples ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tuples-535efdec4b401e5d
[INFO] [stdout] test next_tuple ... ok
[INFO] [stdout] test tuple_windows ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/zip-2a243ae64c8ad32a
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test zip_longest_fused ... ok
[INFO] [stdout] test test_double_ended_zip_longest ... ok
[INFO] [stdout] test test_zip_longest_size_hint ... ok
[INFO] [stdout] test zip_eq_panic1 ... ok
[INFO] [stdout] test zip_eq_panic2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests itertools
[INFO] [stdout] 
[INFO] [stdout] running 93 tests
[INFO] [stdout] test src/adaptors/mod.rs - adaptors::merge (line 560) ... ok
[INFO] [stdout] test src/adaptors/mod.rs - adaptors::interleave (line 45) ... ok
[INFO] [stdout] test src/free.rs - free::chain (line 89) ... ok
[INFO] [stdout] test src/free.rs - free::enumerate (line 35) ... ok
[INFO] [stdout] test src/free.rs - free::cloned (line 107) ... ok
[INFO] [stdout] test src/free.rs - free::any (line 155) ... ok
[INFO] [stdout] test src/free.rs - free::all (line 139) ... ok
[INFO] [stdout] test src/concat_impl.rs - concat_impl::concat (line 11) ... ok
[INFO] [stdout] test src/free.rs - free::fold (line 123) ... ok
[INFO] [stdout] test src/free.rs - free::rev (line 52) ... ok
[INFO] [stdout] test src/free.rs - free::join (line 204) ... ok
[INFO] [stdout] test src/free.rs - free::max (line 171) ... ok
[INFO] [stdout] test src/free.rs - free::min (line 187) ... ok
[INFO] [stdout] test src/free.rs - free::zip (line 70) ... ok
[INFO] [stdout] test src/free.rs - free::sorted (line 223) ... ok
[INFO] [stdout] test src/lib.rs -  (line 10) ... ok
[INFO] [stdout] test src/lib.rs -  (line 27) ... ok
[INFO] [stdout] test src/kmerge_impl.rs - kmerge_impl::kmerge (line 133) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::all_equal (line 1298) ... ok
[INFO] [stdout] test src/lib.rs -  (line 17) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::batching (line 443) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::cartesian_product (line 850) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::coalesce (line 915) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::collect_tuple (line 1246) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::dedup (line 943) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::concat (line 1396) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::fold_results (line 1554) ... ignored
[INFO] [stdout] test src/lib.rs - Itertools::chunks (line 523) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::combinations (line 1113) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::dropping (line 1322) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::dropping_back (line 1349) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::find_position (line 1275) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::fold1 (line 1633) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::fold_options (line 1603) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::fold_while (line 1759) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::fold_results (line 1564) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::format_with (line 1514) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::foreach (line 1369) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::format (line 1487) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::group_by (line 486) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::intersperse (line 378) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::interleave_shortest (line 358) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::interleave (line 340) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::kmerge (line 796) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::into_group_map (line 1947) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::join (line 1454) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::kmerge_by (line 825) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::map_results (line 688) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::merge_by (line 731) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::merge (line 708) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::map_into (line 672) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::minmax (line 1982) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::next_tuple (line 1225) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::pad_using (line 1137) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::positions (line 1186) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::merge_join_by (line 763) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::set_from (line 1427) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::multi_cartesian_product (line 876) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::partition_map (line 1908) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::sorted (line 1817) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::step (line 656) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::sorted_by_key (line 1879) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::take_while_ref (line 1028) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::tee (line 629) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::tree_fold1 (line 1676) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::sorted_by (line 1846) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::tuple_windows (line 551) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::tuple_combinations (line 1072) ... ok
[INFO] [stdout] test src/lib.rs - assert_equal (line 2080) ... ignored
[INFO] [stdout] test src/lib.rs - Itertools::tuples (line 588) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::update (line 1204) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::while_some (line 1051) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::unique (line 964) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::with_position (line 1162) ... ok
[INFO] [stdout] test src/lib.rs - iproduct (line 200) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::zip_longest (line 410) ... ok
[INFO] [stdout] test src/lib.rs - Itertools::unique_by (line 986) ... ok
[INFO] [stdout] test src/lib.rs - iproduct (line 214) ... ok
[INFO] [stdout] test src/lib.rs - izip (line 276) ... ok
[INFO] [stdout] test src/size_hint.rs - size_hint::mul (line 44) ... ignored
[INFO] [stdout] test src/lib.rs - partition (line 2116) ... ok
[INFO] [stdout] test src/lib.rs - izip (line 257) ... ok
[INFO] [stdout] test src/lib.rs - equal (line 2052) ... ok
[INFO] [stdout] test src/minmax.rs - minmax::MinMaxResult<T>::into_option (line 26) ... ok
[INFO] [stdout] test src/put_back_n_impl.rs - put_back_n_impl::PutBackN<I>::put_back (line 31) ... ok
[INFO] [stdout] test src/sources.rs - sources::iterate (line 178) ... ok
[INFO] [stdout] test src/rciter_impl.rs - rciter_impl::rciter (line 24) ... ok
[INFO] [stdout] test src/sources.rs - sources::repeat_call (line 24) ... ok
[INFO] [stdout] test src/sources.rs - sources::unfold (line 72) ... ok
[INFO] [stdout] test src/process_results_impl.rs - process_results_impl::process_results (line 55) ... ok
[INFO] [stdout] test src/zip_eq_impl.rs - zip_eq_impl::zip_eq (line 19) ... ok
[INFO] [stdout] test src/tuple_impl.rs - tuple_impl::Tuples<I, T>::into_buffer (line 101) ... ok
[INFO] [stdout] test src/ziptuple.rs - ziptuple::multizip (line 28) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 90 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b38c372b16220f0978dcb8fe086a3142520e6a064cfa7e5394ecd4f3c1cb6058"`
[INFO] running `"docker" "rm" "-f" "b38c372b16220f0978dcb8fe086a3142520e6a064cfa7e5394ecd4f3c1cb6058"`
[INFO] [stdout] b38c372b16220f0978dcb8fe086a3142520e6a064cfa7e5394ecd4f3c1cb6058