[INFO] crate believer 0.2.1 is already in cache
[INFO] testing believer-0.2.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate believer 0.2.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate believer 0.2.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate believer 0.2.1
[INFO] finished tweaking crates.io crate believer 0.2.1
[INFO] tweaked toml for crates.io crate believer 0.2.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate believer 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+beta-2020-06-03" "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] 4d040519f7423052b0c08eb68f68174bb07c767bb99b07d5283b1f45c228ba6d
[INFO] running `"docker" "start" "-a" "4d040519f7423052b0c08eb68f68174bb07c767bb99b07d5283b1f45c228ba6d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling getrandom v0.1.9
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling itertools v0.8.1
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling believer v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.46s
[INFO] running `"docker" "inspect" "4d040519f7423052b0c08eb68f68174bb07c767bb99b07d5283b1f45c228ba6d"`
[INFO] running `"docker" "rm" "-f" "4d040519f7423052b0c08eb68f68174bb07c767bb99b07d5283b1f45c228ba6d"`
[INFO] [stdout] 4d040519f7423052b0c08eb68f68174bb07c767bb99b07d5283b1f45c228ba6d
[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" "+beta-2020-06-03" "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] eb1f9b3c11c4f0f8b72d61e8a9cff8065ec16ceafe2e9e007d4a056c5e92dd9a
[INFO] running `"docker" "start" "-a" "eb1f9b3c11c4f0f8b72d61e8a9cff8065ec16ceafe2e9e007d4a056c5e92dd9a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling believer v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.87s
[INFO] running `"docker" "inspect" "eb1f9b3c11c4f0f8b72d61e8a9cff8065ec16ceafe2e9e007d4a056c5e92dd9a"`
[INFO] running `"docker" "rm" "-f" "eb1f9b3c11c4f0f8b72d61e8a9cff8065ec16ceafe2e9e007d4a056c5e92dd9a"`
[INFO] [stdout] eb1f9b3c11c4f0f8b72d61e8a9cff8065ec16ceafe2e9e007d4a056c5e92dd9a
[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" "+beta-2020-06-03" "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] 2cf67cb5833ab2f6e9bf16887d0e59bfba46ded311a14279523f06a52524d990
[INFO] running `"docker" "start" "-a" "2cf67cb5833ab2f6e9bf16887d0e59bfba46ded311a14279523f06a52524d990"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/believer-fa68cd283f7ee4a4
[INFO] [stdout] 
[INFO] [stdout] running 50 tests
[INFO] [stdout] test channel::test::binary_symmetric_channel ... ok
[INFO] [stdout] test decoders::erasure::test::hamming_code ... ok
[INFO] [stdout] test generators::hierarchical_codes::test::default_constructor_generate_empty_code ... ok
[INFO] [stdout] test generators::random_checks::adjacency::test::with_one_full_check_and_one_level_of_recursions_every_bit_has_all_adjacent_bits ... ok
[INFO] [stdout] test generators::random_checks::adjacency::test::without_check_every_bit_is_adjacent_only_to_itself ... ok
[INFO] [stdout] test generators::random_checks::adjacency::test::without_recursion_every_bit_is_adjancent_only_to_itself ... ok
[INFO] [stdout] test decoders::erasure::test::repetition_code ... ok
[INFO] [stdout] test generators::random_checks::generator::test::a_generator_can_generate_check_according_to_a_bit_distribution ... ok
[INFO] [stdout] test generators::random_checks::generator::test::a_generator_does_not_exceed_bit_maximal_degree ... ok
[INFO] [stdout] test generators::random_checks::generator::test::a_generator_does_not_create_cycle_of_length_two_and_four_if_minimal_girth_is_six ... ok
[INFO] [stdout] test generators::random_checks::generator::test::a_generator_does_not_create_cycle_of_length_two_four_and_six_if_minimal_girth_is_eight ... ok
[INFO] [stdout] test generators::random_checks::generator::test::a_generator_does_not_generate_checks_of_degree_less_than_minimal_check_degree ... ok
[INFO] [stdout] test generators::random_checks::generator::test::an_empty_generator_does_not_generate_checks ... ok
[INFO] [stdout] test generators::random_checks::generator::test::non_full_check_can_be_set_to_be_allowed ... ok
[INFO] [stdout] test generators::hierarchical_codes::test::generate_single_check_code ... ok
[INFO] [stdout] test generators::hierarchical_codes::test::generate_single_layer_code ... ok
[INFO] [stdout] test generators::random_checks::adjacency::test::with_few_checks_and_two_level_of_recursions_every_bit_has_some_adjacent_bits ... ok
[INFO] [stdout] test parity_check_matrix::checks_iter::test::checks_iterator ... ok
[INFO] [stdout] test parity_check_matrix::checks_iter::test::checks_iterator_for_empty_matrix ... ok
[INFO] [stdout] test parity_check_matrix::check::test::bitwise_sum ... ok
[INFO] [stdout] test generators::random_checks::generator::test::a_generator_does_not_include_the_same_bit_twice_in_a_check ... ok
[INFO] [stdout] test parity_check_matrix::concatener::test::diagonal_concat_from_empty_matrix ... ok
[INFO] [stdout] test parity_check_matrix::concatener::test::diagonal_concat_with_empty_matrix ... ok
[INFO] [stdout] test parity_check_matrix::concatener::test::horizontal_concat_with_equal_length_matrices ... ok
[INFO] [stdout] test parity_check_matrix::check::test::dot_product ... ok
[INFO] [stdout] test parity_check_matrix::concatener::test::horizontal_concat_with_smaller_right_matrix ... ok
[INFO] [stdout] test parity_check_matrix::concatener::test::horizontal_concat_from_empty_matrix ... ok
[INFO] [stdout] test parity_check_matrix::concatener::test::horizontal_concat_with_empty_matrix ... ok
[INFO] [stdout] test parity_check_matrix::concatener::test::horizontal_concat_with_smaller_left_matrix ... ok
[INFO] [stdout] test parity_check_matrix::concatener::test::diagonal_concat ... ok
[INFO] [stdout] test parity_check_matrix::edges_iter::test::edges_iterator ... ok
[INFO] [stdout] test parity_check_matrix::test::checks_are_sorted_on_construction ... ok
[INFO] [stdout] test parity_check_matrix::ranker::test::rank_for_the_repetition_code_is_one_less_than_the_number_of_bits ... ok
[INFO] [stdout] test parity_check_matrix::ranker::test::rank_for_empty_matrix_is_zero ... ok
[INFO] [stdout] test parity_check_matrix::test::syndrome ... ok
[INFO] [stdout] test decoders::n_events_simulator::test::there_are_at_least_n_failures_and_n_erasures ... ok
[INFO] [stdout] test decoders::n_events_simulator::test::reproductibility_for_repetition_code ... ok
[INFO] [stdout] test decoders::n_events_simulator::test::reproductibility_for_hamming_code ... ok
[INFO] [stdout] test parity_check_matrix::ranker::test::rank_for_a_full_rank_matrix_is_the_number_of_checks ... ok
[INFO] [stdout] test parity_check_matrix::test::empty_checks_are_removed_on_construction ... ok
[INFO] [stdout] test parity_check_matrix::transposer::test::tranposition_with_some_empty_tranposed_checks ... ok
[INFO] [stdout] test parity_check_matrix::transposer::test::transposition_of_general_matrix ... ok
[INFO] [stdout] test parity_check_matrix::ranker::test::rank_for_a_given_matrix_is_accurate ... ok
[INFO] [stdout] test parity_check_matrix::transposer::test::transposition_of_empty_matrix ... ok
[INFO] [stdout] test decoders::n_iterations_simulator::test::there_is_n_iterations ... ok
[INFO] [stdout] test decoders::n_iterations_simulator::test::reproductibility_for_repetition_code ... ok
[INFO] [stdout] test decoders::n_iterations_simulator::test::reproductibility_for_hamming_code ... ok
[INFO] [stdout] test generators::best_code_finder::test::reproductibility_for_finding_best_ldpc_code_simulating_n_events ... ok
[INFO] [stdout] test generators::best_code_finder::test::reproductibility_for_finding_best_ldpc_code_simulating_n_iterations ... ok
[INFO] [stdout] test parity_check_matrix::test::panics_on_construction_if_checks_are_out_of_bound ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 50 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests believer
[INFO] [stdout] 
[INFO] [stdout] running 48 tests
[INFO] [stdout] test src/generators/best_code_finder.rs - generators::best_code_finder::BestCodeFinderUsingErasure::among_n_codes (line 59) ... ok
[INFO] [stdout] test src/generators/best_code_finder.rs - generators::best_code_finder::BestCodeFinderUsingErasure::from_code_generator (line 38) ... ok
[INFO] [stdout] test src/decoders/simulation_results.rs - decoders::simulation_results::SimulationResult::get_failure_rate (line 96) ... ok
[INFO] [stdout] test src/decoders/erasure.rs - decoders::erasure::ErasureDecoder (line 11) ... ok
[INFO] [stdout] test src/decoders/simulation_results.rs - decoders::simulation_results::SimulationResult::get_effective_success_rate_for_code_dimension (line 83) ... ok
[INFO] [stdout] test src/decoders/simulation_results.rs - decoders::simulation_results::SimulationResult::get_effective_failure_rate_for_code_dimension (line 66) ... ok
[INFO] [stdout] test src/channel.rs - channel::BinaryChannel::intrinsic_likelyhood (line 30) ... ok
[INFO] [stdout] test src/decoders/simulation_results.rs - decoders::simulation_results::SimulationResult::get_success_rate (line 109) ... ok
[INFO] [stdout] test src/channel.rs - channel::BinaryChannel (line 13) ... ok
[INFO] [stdout] test src/generators/increasing_range_code.rs - generators::increasing_range_code::IncreasingRangeCodeGenerator (line 17) ... ok
[INFO] [stdout] test src/generators/best_code_finder.rs - generators::best_code_finder::BestCodeFinderUsingErasure::with_erasure_prob (line 79) ... ok
[INFO] [stdout] test src/generators/increasing_range_code.rs - generators::increasing_range_code::IRCodeGenBuilder (line 94) ... ok
[INFO] [stdout] test src/generators/best_code_finder.rs - generators::best_code_finder::BestCodeFinderUsingErasure::find_best_code_simulating_n_events (line 199) ... ok
[INFO] [stdout] test src/generators/best_code_finder.rs - generators::best_code_finder::BestCodeFinderUsingErasure::find_best_code_simulating_n_iterations (line 139) ... ok
[INFO] [stdout] test src/generators/random_checks/generator.rs - generators::random_checks::generator::Generator<R>::allow_only_check_of_target_degree (line 325) ... ok
[INFO] [stdout] test src/generators/best_code_finder.rs - generators::best_code_finder::BestCodeFinderUsingErasure (line 15) ... ok
[INFO] [stdout] test src/generators/best_code_finder.rs - generators::best_code_finder::BestCodeFinderUsingErasure::find_best_code_simulating_n_events_with_rng (line 166) ... ok
[INFO] [stdout] test src/generators/random_checks/generator.rs - generators::random_checks::generator::Generator<R>::set_without_bits (line 205) ... ok
[INFO] [stdout] test src/generators/random_checks/generator.rs - generators::random_checks::generator::Generator<R>::get_random_check (line 368) ... ok
[INFO] [stdout] test src/generators/best_code_finder.rs - generators::best_code_finder::BestCodeFinderUsingErasure::find_best_code_simulating_n_iterations_with_rng (line 107) ... ok
[INFO] [stdout] test src/generators/random_checks/generator.rs - generators::random_checks::generator::Generator<R>::allow_checks_of_degree_at_least (line 301) ... ok
[INFO] [stdout] test src/gf2.rs - gf2 (line 5) ... ok
[INFO] [stdout] test src/generators/random_checks/generator.rs - generators::random_checks::generator::Generator<R>::set_target_check_degree (line 281) ... ok
[INFO] [stdout] test src/generators/random_checks/generator.rs - generators::random_checks::generator::Generator<R>::set_distribution (line 240) ... ok
[INFO] [stdout] test src/generators/random_checks/generator.rs - generators::random_checks::generator::Generator (line 14) ... ok
[INFO] [stdout] test src/generators/random_checks/generator.rs - generators::random_checks::generator::Generator<R>::with_random_number_generator (line 134) ... ok
[INFO] [stdout] test src/parity_check_matrix/check_view.rs - parity_check_matrix::check_view (line 5) ... ok
[INFO] [stdout] test src/parity_check_matrix/mod.rs - parity_check_matrix::ParityCheckMatrix::get_check_degrees (line 203) ... ok
[INFO] [stdout] test src/parity_check_matrix/check_view.rs - parity_check_matrix::check_view::CheckView::spread (line 80) ... ok
[INFO] [stdout] test src/parity_check_matrix/mod.rs - parity_check_matrix::ParityCheckMatrix::edges_iter (line 369) ... ok
[INFO] [stdout] test src/parity_check_matrix/check_view.rs - parity_check_matrix::check_view::CheckView::max (line 104) ... ok
[INFO] [stdout] test src/parity_check_matrix/check_view.rs - parity_check_matrix::check_view::CheckView::min (line 128) ... ok
[INFO] [stdout] test src/parity_check_matrix/check_view.rs - parity_check_matrix::check_view::CheckView::compute_syndrome (line 41) ... ok
[INFO] [stdout] test src/parity_check_matrix/mod.rs - parity_check_matrix::ParityCheckMatrix::get_syndrome_of (line 246) ... ok
[INFO] [stdout] test src/parity_check_matrix/mod.rs - parity_check_matrix::ParityCheckMatrix::get_diagonal_concat_with (line 325) ... ok
[INFO] [stdout] test src/parity_check_matrix/mod.rs - parity_check_matrix::ParityCheckMatrix::get_transposed_matrix (line 282) ... ok
[INFO] [stdout] test src/parity_check_matrix/mod.rs - parity_check_matrix::ParityCheckMatrix::checks_iter (line 349) ... ok
[INFO] [stdout] test src/parity_check_matrix/mod.rs - parity_check_matrix::ParityCheckMatrix::get_bit_degrees (line 185) ... ok
[INFO] [stdout] test src/parity_check_matrix/mod.rs - parity_check_matrix::ParityCheckMatrix::get_horizontal_concat_with (line 303) ... ok
[INFO] [stdout] test src/parity_check_matrix/mod.rs - parity_check_matrix::ParityCheckMatrix::has_codeword (line 390) ... ok
[INFO] [stdout] test src/parity_check_matrix/mod.rs - parity_check_matrix::ParityCheckMatrix::get_rank (line 266) ... ok
[INFO] [stdout] test src/parity_check_matrix/mod.rs - parity_check_matrix::ParityCheckMatrix::get_check (line 219) ... ok
[INFO] [stdout] test src/parity_check_matrix/mod.rs - parity_check_matrix::ParityCheckMatrix::new (line 42) ... ok
[INFO] [stdout] test src/parity_check_matrix/mod.rs - parity_check_matrix::ParityCheckMatrix::with_n_bits (line 58) ... ok
[INFO] [stdout] test src/parity_check_matrix/mod.rs - parity_check_matrix::ParityCheckMatrix::with_checks (line 79) ... ok
[INFO] [stdout] test src/parity_check_matrix/mod.rs - parity_check_matrix::ParityCheckMatrix::identity_with_n_bits (line 141) ... ok
[INFO] [stdout] test src/parity_check_matrix/mod.rs - parity_check_matrix::ParityCheckMatrix::keep (line 409) ... ok
[INFO] [stdout] test src/parity_check_matrix/mod.rs - parity_check_matrix::ParityCheckMatrix::without (line 445) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 48 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2cf67cb5833ab2f6e9bf16887d0e59bfba46ded311a14279523f06a52524d990"`
[INFO] running `"docker" "rm" "-f" "2cf67cb5833ab2f6e9bf16887d0e59bfba46ded311a14279523f06a52524d990"`
[INFO] [stdout] 2cf67cb5833ab2f6e9bf16887d0e59bfba46ded311a14279523f06a52524d990