[INFO] crate itertools 0.9.0 is already in cache
[INFO] testing itertools-0.9.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate itertools 0.9.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate itertools 0.9.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate itertools 0.9.0
[INFO] finished tweaking crates.io crate itertools 0.9.0
[INFO] tweaked toml for crates.io crate itertools 0.9.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate itertools 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5de55c226d6511e1f7781a30d434e498d7e7a6828b4cc7f354187d6fe095cc39
[INFO] running `"docker" "start" "-a" "5de55c226d6511e1f7781a30d434e498d7e7a6828b4cc7f354187d6fe095cc39"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling itertools v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `"docker" "inspect" "5de55c226d6511e1f7781a30d434e498d7e7a6828b4cc7f354187d6fe095cc39"`
[INFO] running `"docker" "rm" "-f" "5de55c226d6511e1f7781a30d434e498d7e7a6828b4cc7f354187d6fe095cc39"`
[INFO] [stdout] 5de55c226d6511e1f7781a30d434e498d7e7a6828b4cc7f354187d6fe095cc39
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bd63e54750166348684909094d5648be3db101320fafc23ba0368ea3221368fb
[INFO] running `"docker" "start" "-a" "bd63e54750166348684909094d5648be3db101320fafc23ba0368ea3221368fb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling permutohedron v0.2.4
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling serde_json v1.0.47
[INFO] [stderr]    Compiling rand_xoshiro v0.3.1
[INFO] [stderr]    Compiling rand_os v0.2.2
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling criterion-plot v0.4.1
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling bstr v0.2.11
[INFO] [stderr]    Compiling tinytemplate v1.0.3
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling criterion v0.3.0
[INFO] [stderr]    Compiling itertools v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 30.67s
[INFO] running `"docker" "inspect" "bd63e54750166348684909094d5648be3db101320fafc23ba0368ea3221368fb"`
[INFO] running `"docker" "rm" "-f" "bd63e54750166348684909094d5648be3db101320fafc23ba0368ea3221368fb"`
[INFO] [stdout] bd63e54750166348684909094d5648be3db101320fafc23ba0368ea3221368fb
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 79e63c168a8c0e9b37ad4c66bb34a60f165767426d5d4d010093442ef50a38b2
[INFO] running `"docker" "start" "-a" "79e63c168a8c0e9b37ad4c66bb34a60f165767426d5d4d010093442ef50a38b2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/adaptors_no_collect-88c23dbc8a03dc2a
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test combinations_no_collect ... ok
[INFO] [stdout] test combinations_with_replacement_no_collect ... ok
[INFO] [stdout] test permutations_no_collect ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fold_specialization-f2dd74f583d81a8e
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test specialization_intersperse ... 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/rustwide/target/debug/deps/merge_join-d35f64580bfc2869
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test empty ... ok
[INFO] [stdout] test first_right_then_left ... ok
[INFO] [stdout] test interspersed_left_and_right ... ok
[INFO] [stdout] test left_only ... ok
[INFO] [stdout] test right_only ... ok
[INFO] [stdout] test first_left_then_right ... ok
[INFO] [stdout] test overlapping_left_and_right ... 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/rustwide/target/debug/deps/peeking_take_while-91e31bab788ea0c1
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test peeking_take_while_peekable ... ok
[INFO] [stdout] test peeking_take_while_slice_iter ... ok
[INFO] [stdout] test peeking_take_while_slice_iter_rev ... ok
[INFO] [stdout] test peeking_take_while_put_back ... ok
[INFO] [stdout] test peeking_take_while_put_back_n ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/quick-5634d2c621d79720
[INFO] [stdout] 
[INFO] [stdout] running 74 tests
[INFO] [stdout] test equal_dedup ... ok
[INFO] [stdout] test collect_tuple_matches_size ... ok
[INFO] [stdout] test count_unique ... ok
[INFO] [stdout] test equal_intersperse ... ok
[INFO] [stdout] test equal_dedup_by ... ok
[INFO] [stdout] test correct_permutations ... ok
[INFO] [stdout] test equal_chunks_lazy ... ok
[INFO] [stdout] test equal_kmerge ... ok
[INFO] [stdout] test equal_step ... ok
[INFO] [stdout] test equal_step_vec ... ok
[INFO] [stdout] test equal_tuple_windows_2 ... ok
[INFO] [stdout] test equal_tuple_windows_3 ... ok
[INFO] [stdout] test correct_group_map_modulo_key ... ok
[INFO] [stdout] test equal_merge ... ok
[INFO] [stdout] test equal_partition ... ok
[INFO] [stdout] test equal_tuples_1 ... ok
[INFO] [stdout] test exact_interleave ... ok
[INFO] [stdout] test equal_tuple_windows_1 ... ok
[INFO] [stdout] test exact_interleave_shortest ... ok
[INFO] [stdout] test equal_tuple_windows_4 ... ok
[INFO] [stdout] test equal_tuples_2 ... ok
[INFO] [stdout] test equal_zip_eq ... ok
[INFO] [stdout] test exact_repeatn ... ok
[INFO] [stdout] test exact_tuple_buffer ... ok
[INFO] [stdout] test exactly_one_i32 ... ok
[INFO] [stdout] test equal_tuples_4 ... ok
[INFO] [stdout] test equal_combinations ... ok
[INFO] [stdout] test equal_tuples_3 ... ok
[INFO] [stdout] test permutations_count ... ok
[INFO] [stdout] test permutations_k0_yields_once ... ok
[INFO] [stdout] test equal_combinations_2 ... ok
[INFO] [stdout] test fuzz_group_by_lazy_1 ... ok
[INFO] [stdout] test minmax_f64 ... ok
[INFO] [stdout] test size_2_zip_longest ... ok
[INFO] [stdout] test permutations_size ... ok
[INFO] [stdout] test permutations_lexic_order ... ok
[INFO] [stdout] test size_interleave_shortest ... ok
[INFO] [stdout] test size_interleave ... ok
[INFO] [stdout] test size_intersperse ... ok
[INFO] [stdout] test fuzz_group_by_lazy_2 ... ok
[INFO] [stdout] test fuzz_group_by_lazy_3 ... ok
[INFO] [stdout] test size_dedup_by ... ok
[INFO] [stdout] test size_kmerge ... ok
[INFO] [stdout] test size_merge ... ok
[INFO] [stdout] test size_multipeek ... ok
[INFO] [stdout] test size_pad_tail2 ... ok
[INFO] [stdout] test size_product ... ok
[INFO] [stdout] test size_pad_tail ... ok
[INFO] [stdout] test size_dedup ... ok
[INFO] [stdout] test minmax ... ok
[INFO] [stdout] test size_put_back ... ok
[INFO] [stdout] test size_step ... ok
[INFO] [stdout] test size_zip ... ok
[INFO] [stdout] test fuzz_group_by_lazy_duo ... ok
[INFO] [stdout] test size_tee_2 ... ok
[INFO] [stdout] test size_take_while_ref ... ok
[INFO] [stdout] test size_zip_longest ... ok
[INFO] [stdout] test size_zip_rc ... ok
[INFO] [stdout] test size_zip_macro ... ok
[INFO] [stdout] test size_combinations ... ok
[INFO] [stdout] test size_tee ... ok
[INFO] [stdout] test tree_fold1_f64 ... ok
[INFO] [stdout] test size_unique ... ok
[INFO] [stdout] test with_position_exact_size_2 ... ok
[INFO] [stdout] test size_put_backn ... ok
[INFO] [stdout] test with_position_exact_size_1 ... ok
[INFO] [stdout] test correct_cartesian_product3 ... ok
[INFO] [stdout] test size_multi_product ... ok
[INFO] [stdout] test size_product3 ... ok
[INFO] [stdout] test equal_kmerge_by_le ... ok
[INFO] [stdout] test equal_kmerge_2 ... ok
[INFO] [stdout] test equal_kmerge_by_ge ... ok
[INFO] [stdout] test equal_kmerge_by_lt ... ok
[INFO] [stdout] test correct_multi_product3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 74 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/specializations-c296dffbc22c41c4
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test put_back ... ok
[INFO] [stdout] test merge_join_by ... ok
[INFO] [stdout] test put_back_qc ... ok
[INFO] [stdout] test merge_join_by_qc ... 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/rustwide/target/debug/deps/test_core-2bd4b4fad251464a
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test batching ... ok
[INFO] [stdout] test count_clones ... ok
[INFO] [stdout] test dropping ... ok
[INFO] [stdout] test foreach ... ok
[INFO] [stdout] test izip2 ... ok
[INFO] [stdout] test izip3 ... ok
[INFO] [stdout] test exactly_one ... ok
[INFO] [stdout] test merge ... ok
[INFO] [stdout] test multizip3 ... ok
[INFO] [stdout] test part ... ok
[INFO] [stdout] test izip_macro ... ok
[INFO] [stdout] test product2 ... ok
[INFO] [stdout] test product1 ... ok
[INFO] [stdout] test product_temporary ... ok
[INFO] [stdout] test repeatn ... ok
[INFO] [stdout] test step ... ok
[INFO] [stdout] test sum1 ... ok
[INFO] [stdout] test test_interleave ... ok
[INFO] [stdout] test test_put_back ... ok
[INFO] [stdout] test write_to ... ok
[INFO] [stdout] test tree_fold1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_std-bd983abfe6a1259a
[INFO] [stdout] 
[INFO] [stdout] running 45 tests
[INFO] [stdout] test all_equal ... ok
[INFO] [stdout] test chunks ... ok
[INFO] [stdout] test combinations ... ok
[INFO] [stdout] test combinations_zero ... ok
[INFO] [stdout] test concat_empty ... ok
[INFO] [stdout] test dedup ... ok
[INFO] [stdout] test combinations_of_too_short ... ok
[INFO] [stdout] test combinations_with_replacement ... ok
[INFO] [stdout] test dedup_by ... ok
[INFO] [stdout] test concat_non_empty ... ok
[INFO] [stdout] test diff_longer ... ok
[INFO] [stdout] test diff_mismatch ... ok
[INFO] [stdout] test diff_shorter ... ok
[INFO] [stdout] test fold_while ... ok
[INFO] [stdout] test format ... ok
[INFO] [stdout] test group_by_lazy_2 ... ok
[INFO] [stdout] test group_by_lazy_3 ... ok
[INFO] [stdout] test join ... ok
[INFO] [stdout] test kmerge ... ok
[INFO] [stdout] test kmerge_empty ... ok
[INFO] [stdout] test interleave_shortest ... ok
[INFO] [stdout] test kmerge_2 ... ok
[INFO] [stdout] test kmerge_empty_size_hint ... ok
[INFO] [stdout] test kmerge_size_hint ... ok
[INFO] [stdout] test intersperse ... ok
[INFO] [stdout] test merge_by ... ok
[INFO] [stdout] test pad_using ... ok
[INFO] [stdout] test minmax ... ok
[INFO] [stdout] test merge_by_btree ... ok
[INFO] [stdout] test sorted_by ... ok
[INFO] [stdout] test permutations_zero ... ok
[INFO] [stdout] test sorted_by_key ... ok
[INFO] [stdout] test product3 ... ok
[INFO] [stdout] test group_by ... ok
[INFO] [stdout] test test_multipeek ... ok
[INFO] [stdout] test tee ... ok
[INFO] [stdout] test test_put_back_n ... ok
[INFO] [stdout] test test_multipeek_peeking_next ... ok
[INFO] [stdout] test trait_pointers ... ok
[INFO] [stdout] test test_multipeek_reset ... ok
[INFO] [stdout] test test_rciter ... ok
[INFO] [stdout] test unique ... ok
[INFO] [stdout] test unique_by ... ok
[INFO] [stdout] test tree_fold1 ... ok
[INFO] [stdout] test while_some ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 45 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tuples-eceb57871fdc3062
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test collect_tuple ... ok
[INFO] [stdout] test tuple_windows ... ok
[INFO] [stdout] test tuples ... ok
[INFO] [stdout] test next_tuple ... 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/rustwide/target/debug/deps/zip-b1ceddc4d76eca63
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_double_ended_zip_longest ... ok
[INFO] [stdout] test test_zip_longest_size_hint ... ok
[INFO] [stdout] test zip_longest_fused ... 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 109 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --test /opt/rustwide/workdir/src/lib.rs --crate-name itertools -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cfg 'feature="use_std"' --cfg 'feature="default"' --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-ae84d9d8f586a2a5.rlib --extern either=/opt/rustwide/target/debug/deps/libeither-61fbb0a110e3d219.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-92ad886c10f7b083.rlib --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-f15c8fc66a615c9f.rlib --extern quickcheck=/opt/rustwide/target/debug/deps/libquickcheck-3883c62bda9069a9.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-beeaceee1644da65.rlib` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "79e63c168a8c0e9b37ad4c66bb34a60f165767426d5d4d010093442ef50a38b2"`
[INFO] running `"docker" "rm" "-f" "79e63c168a8c0e9b37ad4c66bb34a60f165767426d5d4d010093442ef50a38b2"`
[INFO] [stdout] 79e63c168a8c0e9b37ad4c66bb34a60f165767426d5d4d010093442ef50a38b2