[INFO] cloning repository https://github.com/tindandelion/rust-text-compression
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tindandelion/rust-text-compression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftindandelion%2Frust-text-compression", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftindandelion%2Frust-text-compression'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f4c0c973a54254fe7e2b9c03c7680bf1d3c8a9d
[INFO] testing tindandelion/rust-text-compression against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftindandelion%2Frust-text-compression" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/tindandelion/rust-text-compression
[INFO] finished tweaking git repo https://github.com/tindandelion/rust-text-compression
[INFO] tweaked toml for git repo https://github.com/tindandelion/rust-text-compression written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tindandelion/rust-text-compression on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tindandelion/rust-text-compression already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cab1d6ec60f6a5586140346d76f363f2a952bd274708d63f3a091d57f3f85753
[INFO] running `Command { std: "docker" "start" "-a" "cab1d6ec60f6a5586140346d76f363f2a952bd274708d63f3a091d57f3f85753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cab1d6ec60f6a5586140346d76f363f2a952bd274708d63f3a091d57f3f85753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cab1d6ec60f6a5586140346d76f363f2a952bd274708d63f3a091d57f3f85753", kill_on_drop: false }`
[INFO] [stdout] cab1d6ec60f6a5586140346d76f363f2a952bd274708d63f3a091d57f3f85753
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f08ef4fd6c5fe6d115886a75a99f15a4f2a2643b748bbfea4c4f1bda8ed9e78
[INFO] running `Command { std: "docker" "start" "-a" "4f08ef4fd6c5fe6d115886a75a99f15a4f2a2643b748bbfea4c4f1bda8ed9e78", kill_on_drop: false }`
[INFO] [stderr]    Compiling text_compression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "4f08ef4fd6c5fe6d115886a75a99f15a4f2a2643b748bbfea4c4f1bda8ed9e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f08ef4fd6c5fe6d115886a75a99f15a4f2a2643b748bbfea4c4f1bda8ed9e78", kill_on_drop: false }`
[INFO] [stdout] 4f08ef4fd6c5fe6d115886a75a99f15a4f2a2643b748bbfea4c4f1bda8ed9e78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49d61219b584a236dae7849b38ef427d5eef7baa5f2e304764f88f3167f4a07c
[INFO] running `Command { std: "docker" "start" "-a" "49d61219b584a236dae7849b38ef427d5eef7baa5f2e304764f88f3167f4a07c", kill_on_drop: false }`
[INFO] [stderr]    Compiling text_compression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "49d61219b584a236dae7849b38ef427d5eef7baa5f2e304764f88f3167f4a07c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49d61219b584a236dae7849b38ef427d5eef7baa5f2e304764f88f3167f4a07c", kill_on_drop: false }`
[INFO] [stdout] 49d61219b584a236dae7849b38ef427d5eef7baa5f2e304764f88f3167f4a07c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac24c76226a47fe3e29e0831d67b6d120744fd57b77f5ec0d6cbf9d51ee2694c
[INFO] running `Command { std: "docker" "start" "-a" "ac24c76226a47fe3e29e0831d67b6d120744fd57b77f5ec0d6cbf9d51ee2694c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/text_compression-a93fe901dad8b032)
[INFO] [stdout] 
[INFO] [stdout] running 74 tests
[INFO] [stdout] test core::encoding_table::tests::get_substring_at_index ... ok
[INFO] [stdout] test core::encoding_table::tests::no_match_found ... ok
[INFO] [stdout] test core::substring::tests::order_substrings_of_same_length_lexicographically ... ok
[INFO] [stdout] test core::encoding_table::tests::find_the_longest_match_possible ... ok
[INFO] [stdout] test core::encoding_table::tests::missing_substring_by_index ... ok
[INFO] [stdout] test core::substring::tests::order_substrings_by_length_descending ... ok
[INFO] [stdout] test core::trie::find_match_tests::find_match_for_empty_string ... ok
[INFO] [stdout] test core::trie::find_match_tests::find_match_in_empty_trie ... ok
[INFO] [stdout] test core::trie::find_match_tests::finds_longest_possible_match ... ok
[INFO] [stdout] test core::trie::find_match_tests::finds_match_in_different_branches ... ok
[INFO] [stdout] test core::trie::find_match_tests::finds_match_with_extra_characters ... ok
[INFO] [stdout] test core::trie::find_match_tests::find_match_for_substrings ... ok
[INFO] [stdout] test core::trie::find_match_tests::finds_match_with_multiple_possibilities ... ok
[INFO] [stdout] test core::trie::insertion_tests::insert_long_string ... ok
[INFO] [stdout] test core::trie::insertion_tests::insert_same_string_twice_replaces_old_value ... ok
[INFO] [stdout] test core::trie::insertion_tests::insert_single_char ... ok
[INFO] [stdout] test core::trie::insertion_tests::insert_different_strings ... ok
[INFO] [stdout] test core::trie::iterator_tests::iterate_over_entries ... ok
[INFO] [stdout] test core::trie::retain_tests::retain_entries ... ok
[INFO] [stdout] test decoder::decode::tests::decode_string_with_encoded_substring ... ok
[INFO] [stdout] test decoder::decode::tests::decode_simple_encoded_string ... ok
[INFO] [stdout] test decoder::decode::tests::decode_string_with_encoded_substrings_and_single_characters ... ok
[INFO] [stdout] test core::trie::insertion_tests::insert_prefix_of_existing_string ... ok
[INFO] [stdout] test decoder::decode::tests::error_handling::invalid_utf8_character_leading_byte ... ok
[INFO] [stdout] test core::trie::iterator_tests::empty_trie ... ok
[INFO] [stdout] test decoder::decode::tests::error_handling::invalid_utf8_continuation_byte ... ok
[INFO] [stdout] test decoder::decode::tests::decode_string_with_large_encoding_table ... ok
[INFO] [stdout] test decoder::decode::tests::decode_string_with_multi_byte_characters ... ok
[INFO] [stdout] test core::trie::find_match_tests::finds_match_with_unicode ... ok
[INFO] [stdout] test decoder::decode::tests::error_handling::missing_entry_in_encoding_table ... ok
[INFO] [stdout] test encoder::build_ledger::tests::learn_same_substring_at_next_step ... ok
[INFO] [stdout] test decoder::decode::tests::error_handling::missing_entry_index_byte_in_encoded_string ... ok
[INFO] [stdout] test decoder::decode::tests::error_handling::missing_utf8_continuation_byte ... ok
[INFO] [stdout] test encoder::build_ledger::tests::clear_last_match_if_removed_from_ledger ... ok
[INFO] [stdout] test encoder::build_ledger::tests::do_not_merge_substrings_if_not_allowed_by_policy ... ok
[INFO] [stdout] test encoder::build_ledger::tests::learn_several_substrings_step_by_step ... ok
[INFO] [stdout] test encoder::build_ledger::tests::learn_substring ... ok
[INFO] [stdout] test encoder::encode_string::tests::encode_mix_of_substrings_and_single_characters ... ok
[INFO] [stdout] test encoder::encode_string::tests::encode_multibyte_string ... ok
[INFO] [stdout] test encoder::build_ledger::tests::learn_substrings_with_multi_byte_characters ... ok
[INFO] [stdout] test encoder::encode_string::tests::encode_string_with_empty_substrings ... ok
[INFO] [stdout] test encoder::encode_string::tests::encode_substring_with_index_in_substring_list ... ok
[INFO] [stdout] test encoder::encode_string::tests::encode_two_consecutive_substrings_with_different_substrings ... ok
[INFO] [stdout] test encoder::ledger_size_policy::limit_dictionary_size_tests::cleanup::handles_empty_dictionary ... ok
[INFO] [stdout] test encoder::ledger_size_policy::limit_dictionary_size_tests::cleanup::handles_single_element_dictionary ... ok
[INFO] [stdout] test encoder::ledger_size_policy::limit_dictionary_size_tests::cleanup::keeps_everything_when_dict_has_enough_space ... ok
[INFO] [stdout] test encoder::ledger_size_policy::limit_dictionary_size_tests::cleanup::keeps_everything_when_exactly_at_median ... ok
[INFO] [stdout] test encoder::ledger_size_policy::limit_dictionary_size_tests::cleanup::preserves_substrings_at_median_counts ... ok
[INFO] [stdout] test encoder::ledger_size_policy::limit_dictionary_size_tests::cleanup::removes_all_substrings_when_not_enough_space ... ok
[INFO] [stdout] test encoder::ledger_size_policy::limit_dictionary_size_tests::cleanup::removes_below_median_with_even_number_of_elements ... ok
[INFO] [stdout] test encoder::encode_string::tests::encode_string_with_large_dictionary ... ok
[INFO] [stdout] test encoder::encode_string::tests::encode_two_consecutive_substrings ... ok
[INFO] [stdout] test encoder::ledger_size_policy::limit_dictionary_size_tests::merging::should_merge_with_fractional_threshold_rounds_to_upper_threshold_bound ... ok
[INFO] [stdout] test encoder::ledger_size_policy::limit_dictionary_size_tests::merging::should_merge_when_both_counts_are_bigger_than_threshold ... ok
[INFO] [stdout] test encoder::ledger_size_policy::limit_dictionary_size_tests::merging::should_not_merge_when_dict_is_full ... ok
[INFO] [stdout] test encoder::ledger_size_policy::limit_dictionary_size_tests::merging::should_not_merge_when_at_least_one_count_is_less_than_threshold ... ok
[INFO] [stdout] test encoder::substring_ledger::tests::bookkeeping::cleanup_ledger_according_to_policy_when_inserting_new_substring ... ok
[INFO] [stdout] test encoder::substring_ledger::tests::find_longest_match::match_not_found ... ok
[INFO] [stdout] test encoder::substring_ledger::tests::find_longest_match::match_found ... ok
[INFO] [stdout] test encoder::substring_ledger::tests::string_counting::initial_increment_count_adds_to_ledger ... ok
[INFO] [stdout] test encoder::substring_selector::tests::order_by_occurrence_frequency ... ok
[INFO] [stdout] test encoder::build_ledger::tests::learn_unique_characters ... ok
[INFO] [stdout] test encoder::build_ledger::tests::merge_three_consecutive_substrings ... ok
[INFO] [stdout] test encoder::substring_ledger::tests::string_counting::subsequent_increment_count_updates_count ... ok
[INFO] [stdout] test encoder::substring_ledger::tests::bookkeeping::should_only_merge_substrings_whose_count_is_one ... ok
[INFO] [stdout] test encoder::substring_selector::tests::trim_substrings_to_number_of_strings_from_spec ... ok
[INFO] [stdout] test tests::encode_and_decode_multi_byte_string ... ok
[INFO] [stdout] test encoder::substring_selector::tests::reject_strings_shorter_than_encoded_representation ... ok
[INFO] [stdout] test encoder::substring_selector::tests::reject_single_occurrences ... ok
[INFO] [stdout] test tests::encode_and_decode_string_preserves_byte_order_mark ... ok
[INFO] [stdout] test encoder::ledger_size_policy::limit_dictionary_size_tests::merging::should_merge_when_count_is_equal_to_threshold ... ok
[INFO] [stdout] test tests::encode_and_decode_ascii_string ... ok
[INFO] [stdout] test core::substring::tests::substring_from_empty_string - should panic ... ok
[INFO] [stdout] test core::substring::tests::substring_from_empty_str - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 74 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/main-00db4e96ced46179)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/performance-test.rs (/opt/rustwide/target/debug/deps/performance_test-215a22791f3b7d37)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/compression_ratio_test.rs (/opt/rustwide/target/debug/deps/compression_ratio_test-85bf9c0547a0c761)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass `--test compression_ratio_test`
[INFO] [stdout] test compression_ratio_test ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- compression_ratio_test stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'compression_ratio_test' (94) panicked at tests/compression_ratio_test.rs:30:9:
[INFO] [stdout] Compression ratio is less than expected on file wap-3200.txt, expected 54, got 53.96074
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f41e1d47622 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f41e1d47622 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f41e1d47622 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5f41e1d47622 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5f41e1d5c63a - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5f41e1d5c63a - core[585f66e14d78f9ba]::fmt::write
[INFO] [stdout]    6:     0x5f41e1d4c426 - std[3f03f8b59f91bef1]::io::default_write_fmt::<alloc[15e7b27aba85d2e2]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f41e1d4c426 - <alloc[15e7b27aba85d2e2]::vec::Vec<u8> as std[3f03f8b59f91bef1]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5f41e1d25a1f - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5f41e1d25a1f - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5f41e1d3f5b9 - std[3f03f8b59f91bef1]::panicking::default_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5f41e1cbcb2e - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5f41e1cbcb2e - test[30224e0cb089acd2]::test_main_with_exit_callback::<test[30224e0cb089acd2]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f41e1d3f772 - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5f41e1d3f772 - std[3f03f8b59f91bef1]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5f41e1d25ad8 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5f41e1d1abc9 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5f41e1d2692d - __rustc[caa99d26c7bae192]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5f41e1d5ccac - core[585f66e14d78f9ba]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5f41e1cafa79 - compression_ratio_test[3a4aae6427e580ba]::compression_ratio_test
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/compression_ratio_test.rs:30:9
[INFO] [stdout]   20:     0x5f41e1caef57 - compression_ratio_test[3a4aae6427e580ba]::compression_ratio_test::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/compression_ratio_test.rs:6:28
[INFO] [stdout]   21:     0x5f41e1cb0e06 - <compression_ratio_test[3a4aae6427e580ba]::compression_ratio_test::{closure#0} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5f41e1cb0edb - <fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5f41e1cb0edb - test[30224e0cb089acd2]::__rust_begin_short_backtrace::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:663:18
[INFO] [stdout]   24:     0x5f41e1cbd73a - test[30224e0cb089acd2]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:74
[INFO] [stdout]   25:     0x5f41e1cbd73a - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   26:     0x5f41e1cbd73a - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x5f41e1cbd73a - std[3f03f8b59f91bef1]::panicking::catch_unwind::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x5f41e1cbd73a - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x5f41e1cbd73a - test[30224e0cb089acd2]::run_test_in_process
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:27
[INFO] [stdout]   30:     0x5f41e1cbd73a - test[30224e0cb089acd2]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:607:43
[INFO] [stdout]   31:     0x5f41e1cb7c04 - test[30224e0cb089acd2]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:637:41
[INFO] [stdout]   32:     0x5f41e1cb7c04 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x5f41e1cc0232 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   34:     0x5f41e1cc0232 - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   35:     0x5f41e1cc0232 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x5f41e1cc0232 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<(), core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x5f41e1cc0232 - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x5f41e1cc0232 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   39:     0x5f41e1cc0232 - <std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x5f41e1d46b2f - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn core[585f66e14d78f9ba]::ops::function::FnOnce<(), Output = ()> + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   41:     0x5f41e1d46b2f - <std[3f03f8b59f91bef1]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   42:     0x7879d775daa4 - <unknown>
[INFO] [stdout]   43:     0x7879d77eaa64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     compression_ratio_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.86s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ac24c76226a47fe3e29e0831d67b6d120744fd57b77f5ec0d6cbf9d51ee2694c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac24c76226a47fe3e29e0831d67b6d120744fd57b77f5ec0d6cbf9d51ee2694c", kill_on_drop: false }`
[INFO] [stdout] ac24c76226a47fe3e29e0831d67b6d120744fd57b77f5ec0d6cbf9d51ee2694c