[INFO] updating cached repository trafficland/counter [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/trafficland/counter [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/trafficland/counter" "work/ex/beta-1.37-6/sources/1.36.0/gh/trafficland/counter"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/trafficland/counter'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/trafficland/counter" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/trafficland/counter"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/trafficland/counter'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3f30d2583eba4922a72b3ec885c831a2cf558067 [INFO] sha for GitHub repo trafficland/counter: 3f30d2583eba4922a72b3ec885c831a2cf558067 [INFO] validating manifest of trafficland/counter on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of trafficland/counter on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing trafficland/counter [INFO] finished frobbing trafficland/counter [INFO] frobbed toml for trafficland/counter written to work/ex/beta-1.37-6/sources/1.36.0/gh/trafficland/counter/Cargo.toml [INFO] started frobbing trafficland/counter [INFO] finished frobbing trafficland/counter [INFO] frobbed toml for trafficland/counter written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/trafficland/counter/Cargo.toml [INFO] crate trafficland/counter already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing trafficland/counter against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/trafficland/counter:/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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 0435be408308f6abe196c3dcbb5c8c2ffd1c6d82e2254af94344869d0d955b75 [INFO] running `"docker" "start" "-a" "0435be408308f6abe196c3dcbb5c8c2ffd1c6d82e2254af94344869d0d955b75"` [INFO] [stderr] Compiling scopeguard v0.1.2 [INFO] [stderr] Compiling variance v0.1.3 [INFO] [stderr] Compiling thread-id v3.0.0 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Compiling num_cpus v1.4.0 [INFO] [stderr] Compiling chrono v0.2.25 [INFO] [stderr] Compiling thread_local v0.3.3 [INFO] [stderr] Compiling scoped-pool v1.0.0 [INFO] [stderr] Compiling aho-corasick v0.6.3 [INFO] [stderr] Compiling regex v0.2.1 [INFO] [stderr] Compiling counter v1.0.0 (/opt/crater/workdir) [INFO] [stderr] Compiling elp v2.0.0 [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/aggregation_control.rs:24:39 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn run_aggregation(&mut self, mut filenames: &mut Vec) -> FileAggregation { [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:96:52 [INFO] [stderr] | [INFO] [stderr] 96 | fn run(&mut self, num_file_aggregators: usize, mut filenames: &mut Vec) -> counter::FileAggregation { [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.79s [INFO] running `"docker" "inspect" "0435be408308f6abe196c3dcbb5c8c2ffd1c6d82e2254af94344869d0d955b75"` [INFO] running `"docker" "rm" "-f" "0435be408308f6abe196c3dcbb5c8c2ffd1c6d82e2254af94344869d0d955b75"` [INFO] [stdout] 0435be408308f6abe196c3dcbb5c8c2ffd1c6d82e2254af94344869d0d955b75 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/trafficland/counter:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 8664e135c914d3c5d0c175b4b277efac22c66af2f93432254e10a710db80551e [INFO] running `"docker" "start" "-a" "8664e135c914d3c5d0c175b4b277efac22c66af2f93432254e10a710db80551e"` [INFO] [stderr] Compiling names v0.11.0 [INFO] [stderr] Compiling counter v1.0.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/file_handling.rs:355:23 [INFO] [stderr] | [INFO] [stderr] 355 | .map(|mut g| g.next().unwrap()) [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:96:52 [INFO] [stderr] | [INFO] [stderr] 96 | fn run(&mut self, num_file_aggregators: usize, mut filenames: &mut Vec) -> counter::FileAggregation { [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/aggregation_control.rs:24:39 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn run_aggregation(&mut self, mut filenames: &mut Vec) -> FileAggregation { [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.99s [INFO] running `"docker" "inspect" "8664e135c914d3c5d0c175b4b277efac22c66af2f93432254e10a710db80551e"` [INFO] running `"docker" "rm" "-f" "8664e135c914d3c5d0c175b4b277efac22c66af2f93432254e10a710db80551e"` [INFO] [stdout] 8664e135c914d3c5d0c175b4b277efac22c66af2f93432254e10a710db80551e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/trafficland/counter:/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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] 1c4d01aab041b4376b62637f2af9303917d0bd20cf4f4d37b3049bddcaaa3b64 [INFO] running `"docker" "start" "-a" "1c4d01aab041b4376b62637f2af9303917d0bd20cf4f4d37b3049bddcaaa3b64"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running /opt/crater/target/debug/deps/counter-ef886cb42691d5e2 [INFO] [stdout] [INFO] [stdout] running 19 tests [INFO] [stdout] test aggregation_control::aggregation_controller_unit_tests::run_aggregation_sends_done_msg_to_the_correct_file_handler_when_there_are_no_filenames ... ok [INFO] [stdout] test file_handling::file_aggregator_process_file_tests::process_file_should_return_an_error_when_the_file_cannot_be_opened ... ok [INFO] [stdout] test aggregation_control::aggregation_controller_unit_tests::run_aggregation_sends_done_msg_to_the_correct_file_handler_after_filenames_are_gone ... ok [INFO] [stdout] test file_handling::file_aggregator_run_tests::sends_a_next_message_after_starting_up ... ok [INFO] [stdout] test aggregation_control::aggregation_controller_unit_tests::run_aggregation_returns_when_all_of_the_file_handlers_have_sent_their_aggs ... ok [INFO] [stdout] test aggregation_control::aggregation_controller_unit_tests::run_aggregation_sends_a_filename_to_the_correct_file_handler_when_there_is_a_filename ... ok [INFO] [stdout] test file_handling::file_aggregator_run_tests::sends_the_final_agg_after_receiving_the_done_message ... ok [INFO] [stdout] test record_handling::aggregate_record_tests::inserting_two_records_with_different_values_creates_two_entries_each_recorded_once ... ok [INFO] [stdout] test record_handling::merge_aggregates_tests::merge_aggregates_insert_the_src_aggs_into_dst_aggs_when_dst_aggs_is_empty ... ok [INFO] [stdout] test record_handling::merge_aggregates_tests::merge_aggregates_updates_the_dst_aggs_according_to_the_src_aggs ... ok [INFO] [stdout] test record_handling::aggregate_record_tests::inserting_two_records_with_the_same_values_increases_the_total_correctly ... ok [INFO] [stdout] test record_handling::parse_system_name_tests::parse_system_name_regex_returns_a_none_when_the_system_name_is_not_present ... ok [INFO] [stderr] "" [INFO] [stdout] test record_handling::handle_parsing_result_tests::handle_parsing_result_should_not_alter_the_dst_agg_when_passed_bad_records ... ok [INFO] [stdout] test record_handling::handle_parsing_result_tests::handle_parsing_result_should_update_the_dst_agg_when_passed_good_records ... ok [INFO] [stdout] test record_handling::parse_system_name_tests::parse_system_name_regex_returns_the_system_name_when_it_exists ... ok [INFO] [stdout] test file_handling::file_aggregator_process_file_tests::process_file_should_return_a_result_with_the_correct_number_of_processed_records ... ok [INFO] [stdout] test file_handling::file_aggregator_read_records::read_records ... ok [INFO] [stdout] test file_handling::file_list_tests::file_list_should_return_the_correct_number_of_files ... FAILED [INFO] [stdout] test file_handling::file_list_tests::file_list_should_return_0_when_there_are_no_files_in_the_directory ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- file_handling::file_list_tests::file_list_should_return_the_correct_number_of_files stdout ---- [INFO] [stdout] thread 'file_handling::file_list_tests::file_list_should_return_the_correct_number_of_files' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55a525217f6b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55a525217f6b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55a525217f6b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55a525217f6b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55a525217f6b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x55a525217bda - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x55a5252186e0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x55a525218262 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x55a525218146 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x55a52522fe7d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55a52506d578 - core::result::unwrap_failed::h8ea9337ff0837faa [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55a524ff251c - core::result::Result::unwrap::hc0ce0c1755abfc43 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55a524fefa3e - counter::file_handling::file_list_tests::file_list_should_return_the_correct_number_of_files::{{closure}}::h62ae879881ee164c [INFO] [stdout] at src/file_handling.rs:291 [INFO] [stdout] 13: 0x55a524fee1b1 - counter::file_handling::file_list_tests::run_int_test_in_test_dir::{{closure}}::h914121e03cdfaccc [INFO] [stdout] at src/file_handling.rs:322 [INFO] [stdout] 14: 0x55a524febe85 - std::panicking::try::do_call::h1beb78cd0e49aaf8 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 15: 0x55a52521b57a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 16: 0x55a524febd21 - std::panicking::try::h8c011128a4a4cccf [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 17: 0x55a525001f93 - std::panic::catch_unwind::h198d69861e5b77e8 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 18: 0x55a524fede4e - counter::file_handling::file_list_tests::run_int_test_in_test_dir::h1cf0c5c7b65538e2 [INFO] [stdout] at src/file_handling.rs:322 [INFO] [stdout] 19: 0x55a524fef366 - counter::file_handling::file_list_tests::file_list_should_return_the_correct_number_of_files::h58c9c7a1c5d5ba0a [INFO] [stdout] at src/file_handling.rs:276 [INFO] [stdout] 20: 0x55a524fef34a - counter::file_handling::file_list_tests::file_list_should_return_the_correct_number_of_files::{{closure}}::hebbd4940518eb355 [INFO] [stdout] at src/file_handling.rs:275 [INFO] [stdout] 21: 0x55a5250105be - core::ops::function::FnOnce::call_once::h6ff2200583a0af92 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 22: 0x55a5250203af - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 23: 0x55a52521b57a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 24: 0x55a52503a9a8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 25: 0x55a52503a9a8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 26: 0x55a52503a9a8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 27: 0x55a525015825 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 28: 0x55a5250199a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 29: 0x55a5250199a5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 30: 0x55a5250199a5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 31: 0x55a52521b57a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x55a525019fe2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x55a525019fe2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x55a525019fe2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 35: 0x55a525019fe2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 36: 0x55a52520c21f - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 37: 0x55a52521acd0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x55a52521acd0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 39: 0x55a52521acd0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 40: 0x7f8fc0e404a4 - start_thread [INFO] [stdout] 41: 0x7f8fc096bd0f - __clone [INFO] [stdout] 42: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- file_handling::file_list_tests::file_list_should_return_0_when_there_are_no_files_in_the_directory stdout ---- [INFO] [stdout] thread 'file_handling::file_list_tests::file_list_should_return_0_when_there_are_no_files_in_the_directory' panicked at 'called `Result::unwrap()` on an `Err` value: Error { depth: 0, inner: Io { path: Some("./int_tests/observant-taste"), err: Os { code: 2, kind: NotFound, message: "No such file or directory" } } }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55a525217f6b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55a525217f6b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55a525217f6b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55a525217f6b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55a525217f6b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x55a525217bda - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x55a5252186e0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x55a525218262 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x55a525218146 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x55a52522fe7d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55a524ff0d33 - core::result::unwrap_failed::hb656d2dae5a2b6dd [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55a524ff277b - core::result::Result::unwrap::hcfe7846705d03654 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55a524ff004e - counter::file_handling::file_list_tests::file_list_should_return_0_when_there_are_no_files_in_the_directory::{{closure}}::h1c47a107074886c4 [INFO] [stdout] at src/file_handling.rs:310 [INFO] [stdout] 13: 0x55a524fee241 - counter::file_handling::file_list_tests::run_int_test_in_test_dir::{{closure}}::hade70403a228eb1a [INFO] [stdout] at src/file_handling.rs:322 [INFO] [stdout] 14: 0x55a524febed5 - std::panicking::try::do_call::h72ef1c438b433e6d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 15: 0x55a52521b57a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 16: 0x55a524febba1 - std::panicking::try::h73b729d97082254d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 17: 0x55a525001fc3 - std::panic::catch_unwind::h1de3f0837897544f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 18: 0x55a524fedffe - counter::file_handling::file_list_tests::run_int_test_in_test_dir::hb4072a9959c3e8e5 [INFO] [stdout] at src/file_handling.rs:322 [INFO] [stdout] 19: 0x55a524feffe6 - counter::file_handling::file_list_tests::file_list_should_return_0_when_there_are_no_files_in_the_directory::hd7cc99710d59cf29 [INFO] [stdout] at src/file_handling.rs:309 [INFO] [stdout] 20: 0x55a524feffca - counter::file_handling::file_list_tests::file_list_should_return_0_when_there_are_no_files_in_the_directory::{{closure}}::hb38971086622c95b [INFO] [stdout] at src/file_handling.rs:308 [INFO] [stdout] 21: 0x55a5250101ce - core::ops::function::FnOnce::call_once::h15dd2a38172ffa0f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 22: 0x55a5250203af - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 23: 0x55a52521b57a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 24: 0x55a52503a9a8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 25: 0x55a52503a9a8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 26: 0x55a52503a9a8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 27: 0x55a525015825 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 28: 0x55a5250199a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 29: 0x55a5250199a5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 30: 0x55a5250199a5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 31: 0x55a52521b57a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x55a525019fe2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x55a525019fe2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x55a525019fe2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 35: 0x55a525019fe2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 36: 0x55a52520c21f - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 37: 0x55a52521acd0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x55a52521acd0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 39: 0x55a52521acd0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 40: 0x7f8fc0e404a4 - start_thread [INFO] [stdout] 41: 0x7f8fc096bd0f - __clone [INFO] [stdout] 42: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] file_handling::file_list_tests::file_list_should_return_0_when_there_are_no_files_in_the_directory [INFO] [stdout] file_handling::file_list_tests::file_list_should_return_the_correct_number_of_files [INFO] [stdout] [INFO] [stdout] test result: FAILED. 17 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `"docker" "inspect" "1c4d01aab041b4376b62637f2af9303917d0bd20cf4f4d37b3049bddcaaa3b64"` [INFO] running `"docker" "rm" "-f" "1c4d01aab041b4376b62637f2af9303917d0bd20cf4f4d37b3049bddcaaa3b64"` [INFO] [stdout] 1c4d01aab041b4376b62637f2af9303917d0bd20cf4f4d37b3049bddcaaa3b64