[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#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftindandelion%2Frust-text-compression" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tindandelion/rust-text-compression on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f094697b1f83925cd0af6259d5ad40f06022105ed204d3fbb6a64ab8164cb5b5
[INFO] running `Command { std: "docker" "start" "-a" "f094697b1f83925cd0af6259d5ad40f06022105ed204d3fbb6a64ab8164cb5b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f094697b1f83925cd0af6259d5ad40f06022105ed204d3fbb6a64ab8164cb5b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f094697b1f83925cd0af6259d5ad40f06022105ed204d3fbb6a64ab8164cb5b5", kill_on_drop: false }`
[INFO] [stdout] f094697b1f83925cd0af6259d5ad40f06022105ed204d3fbb6a64ab8164cb5b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0150ac19cb89cdd2939896a2be1b11290eb9c480d9a5b75ee1376a299058baa1
[INFO] running `Command { std: "docker" "start" "-a" "0150ac19cb89cdd2939896a2be1b11290eb9c480d9a5b75ee1376a299058baa1", 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 1.27s
[INFO] running `Command { std: "docker" "inspect" "0150ac19cb89cdd2939896a2be1b11290eb9c480d9a5b75ee1376a299058baa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0150ac19cb89cdd2939896a2be1b11290eb9c480d9a5b75ee1376a299058baa1", kill_on_drop: false }`
[INFO] [stdout] 0150ac19cb89cdd2939896a2be1b11290eb9c480d9a5b75ee1376a299058baa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28c9ccbffc929fbb7c468d07b0c28f597b6dfde9bcbe54aaab81582e0acdd57d
[INFO] running `Command { std: "docker" "start" "-a" "28c9ccbffc929fbb7c468d07b0c28f597b6dfde9bcbe54aaab81582e0acdd57d", 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 2.12s
[INFO] running `Command { std: "docker" "inspect" "28c9ccbffc929fbb7c468d07b0c28f597b6dfde9bcbe54aaab81582e0acdd57d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28c9ccbffc929fbb7c468d07b0c28f597b6dfde9bcbe54aaab81582e0acdd57d", kill_on_drop: false }`
[INFO] [stdout] 28c9ccbffc929fbb7c468d07b0c28f597b6dfde9bcbe54aaab81582e0acdd57d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0a994669e622d9f4e9c9fcfe1c393373da852b2eb5bf97325ed8cd44c5e5422a
[INFO] running `Command { std: "docker" "start" "-a" "0a994669e622d9f4e9c9fcfe1c393373da852b2eb5bf97325ed8cd44c5e5422a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[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::find_the_longest_match_possible ... ok
[INFO] [stdout] test core::substring::tests::order_substrings_by_length_descending ... ok
[INFO] [stdout] test core::substring::tests::order_substrings_of_same_length_lexicographically ... 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_empty_string ... ok
[INFO] [stdout] test core::trie::find_match_tests::finds_match_with_multiple_possibilities ... ok
[INFO] [stdout] test core::trie::find_match_tests::find_match_for_substrings ... ok
[INFO] [stdout] test core::trie::insertion_tests::insert_different_strings ... ok
[INFO] [stdout] test core::trie::insertion_tests::insert_prefix_of_existing_string ... ok
[INFO] [stdout] test core::trie::insertion_tests::insert_long_string ... ok
[INFO] [stdout] test core::trie::find_match_tests::finds_match_with_unicode ... ok
[INFO] [stdout] test core::trie::insertion_tests::insert_single_char ... ok
[INFO] [stdout] test core::trie::iterator_tests::empty_trie ... 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_simple_encoded_string ... ok
[INFO] [stdout] test decoder::decode::tests::decode_string_with_encoded_substring ... ok
[INFO] [stdout] test decoder::decode::tests::decode_string_with_encoded_substrings_and_single_characters ... ok
[INFO] [stdout] test decoder::decode::tests::decode_string_with_multi_byte_characters ... ok
[INFO] [stdout] test core::trie::insertion_tests::insert_same_string_twice_replaces_old_value ... ok
[INFO] [stdout] test core::encoding_table::tests::missing_substring_by_index ... ok
[INFO] [stdout] test decoder::decode::tests::decode_string_with_large_encoding_table ... ok
[INFO] [stdout] test core::encoding_table::tests::get_substring_at_index ... ok
[INFO] [stdout] test decoder::decode::tests::error_handling::missing_entry_in_encoding_table ... ok
[INFO] [stdout] test decoder::decode::tests::error_handling::missing_utf8_continuation_byte ... ok
[INFO] [stdout] test decoder::decode::tests::error_handling::missing_entry_index_byte_in_encoded_string ... ok
[INFO] [stdout] test encoder::build_ledger::tests::learn_same_substring_at_next_step ... 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::build_ledger::tests::clear_last_match_if_removed_from_ledger ... ok
[INFO] [stdout] test decoder::decode::tests::error_handling::invalid_utf8_continuation_byte ... ok
[INFO] [stdout] test encoder::build_ledger::tests::learn_unique_characters ... ok
[INFO] [stdout] test encoder::build_ledger::tests::learn_substrings_with_multi_byte_characters ... ok
[INFO] [stdout] test encoder::build_ledger::tests::merge_three_consecutive_substrings ... ok
[INFO] [stdout] test encoder::encode_string::tests::encode_string_with_empty_substrings ... 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::encode_string::tests::encode_substring_with_index_in_substring_list ... ok
[INFO] [stdout] test encoder::encode_string::tests::encode_two_consecutive_substrings ... 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::encode_string::tests::encode_string_with_large_dictionary ... 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::ledger_size_policy::limit_dictionary_size_tests::merging::should_merge_when_count_is_equal_to_threshold ... 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_at_least_one_count_is_less_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::substring_ledger::tests::bookkeeping::should_only_merge_substrings_whose_count_is_one ... ok
[INFO] [stdout] test encoder::substring_ledger::tests::find_longest_match::match_found ... ok
[INFO] [stdout] test encoder::substring_ledger::tests::find_longest_match::match_not_found ... 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::string_counting::subsequent_increment_count_updates_count ... ok
[INFO] [stdout] test encoder::substring_ledger::tests::string_counting::initial_increment_count_adds_to_ledger ... ok
[INFO] [stdout] test encoder::substring_selector::tests::reject_single_occurrences ... ok
[INFO] [stdout] test encoder::substring_selector::tests::reject_strings_shorter_than_encoded_representation ... ok
[INFO] [stdout] test encoder::substring_selector::tests::trim_substrings_to_number_of_strings_from_spec ... ok
[INFO] [stdout] test encoder::substring_selector::tests::order_by_occurrence_frequency ... ok
[INFO] [stdout] test tests::encode_and_decode_multi_byte_string ... ok
[INFO] [stdout] test tests::encode_and_decode_string_preserves_byte_order_mark ... 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] test core::encoding_table::tests::no_match_found ... ok
[INFO] [stdout] test encoder::build_ledger::tests::do_not_merge_substrings_if_not_allowed_by_policy ... ok
[INFO] [stdout] test decoder::decode::tests::error_handling::invalid_utf8_character_leading_byte ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 74 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/main-54727009612e2f80)
[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-a539b14b0ef2c878)
[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 tests/compression_ratio_test.rs (/opt/rustwide/target/debug/deps/compression_ratio_test-b1cbd4e5449c09b7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test compression_ratio_test ... ok
[INFO] [stderr]    Doc-tests text_compression
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.01s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "0a994669e622d9f4e9c9fcfe1c393373da852b2eb5bf97325ed8cd44c5e5422a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a994669e622d9f4e9c9fcfe1c393373da852b2eb5bf97325ed8cd44c5e5422a", kill_on_drop: false }`
[INFO] [stdout] 0a994669e622d9f4e9c9fcfe1c393373da852b2eb5bf97325ed8cd44c5e5422a