[INFO] cloning repository https://github.com/specdown/specdown [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/specdown/specdown" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspecdown%2Fspecdown", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspecdown%2Fspecdown'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bce27e4097ff54b3855f0ca64e6c5229f83f8183 [INFO] testing specdown/specdown against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspecdown%2Fspecdown" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/specdown/specdown on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/specdown/specdown [INFO] finished tweaking git repo https://github.com/specdown/specdown [INFO] tweaked toml for git repo https://github.com/specdown/specdown written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/specdown/specdown already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 17d436640cbeb98e5af6095e2f44b15c2744dcb1a51b840ec3269f8c472f043f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "17d436640cbeb98e5af6095e2f44b15c2744dcb1a51b840ec3269f8c472f043f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "17d436640cbeb98e5af6095e2f44b15c2744dcb1a51b840ec3269f8c472f043f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17d436640cbeb98e5af6095e2f44b15c2744dcb1a51b840ec3269f8c472f043f", kill_on_drop: false }` [INFO] [stdout] 17d436640cbeb98e5af6095e2f44b15c2744dcb1a51b840ec3269f8c472f043f [INFO] running `Command { std: "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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 06803b73a93cf1da04bfde43498f6160d090cfd854d193d8ba71f4d5f7e05854 [INFO] running `Command { std: "docker" "start" "-a" "06803b73a93cf1da04bfde43498f6160d090cfd854d193d8ba71f4d5f7e05854", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling syn v1.0.31 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling utf8parse v0.1.1 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling static_assertions v0.3.4 [INFO] [stderr] Compiling unchecked-index v0.2.2 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling unicode_categories v0.1.1 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling typed-arena v1.7.0 [INFO] [stderr] Compiling entities v1.0.1 [INFO] [stderr] Compiling shell-words v1.0.0 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling vte v0.3.3 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling strip-ansi-escapes v0.1.0 [INFO] [stderr] Compiling twoway v0.2.1 [INFO] [stderr] Compiling lexical-core v0.6.7 [INFO] [stderr] Compiling nom v5.1.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.1 [INFO] [stderr] Compiling colored v1.9.3 [INFO] [stderr] Compiling colored-diff v0.2.2 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling comrak v0.7.0 [INFO] [stderr] Compiling specdown v0.43.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 18s [INFO] running `Command { std: "docker" "inspect" "06803b73a93cf1da04bfde43498f6160d090cfd854d193d8ba71f4d5f7e05854", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06803b73a93cf1da04bfde43498f6160d090cfd854d193d8ba71f4d5f7e05854", kill_on_drop: false }` [INFO] [stdout] 06803b73a93cf1da04bfde43498f6160d090cfd854d193d8ba71f4d5f7e05854 [INFO] running `Command { std: "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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b154befc52b86f3897de904d9c2246b1c566a500a729fbc1d4010519b56e957b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b154befc52b86f3897de904d9c2246b1c566a500a729fbc1d4010519b56e957b", kill_on_drop: false }` [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling predicates-core v1.0.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.16 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling unindent v0.1.5 [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stderr] Compiling predicates v1.0.4 [INFO] [stderr] Compiling predicates-tree v1.0.0 [INFO] [stderr] Compiling assert_cmd v1.0.1 [INFO] [stderr] Compiling indoc-impl v0.3.5 [INFO] [stderr] Compiling indoc v0.3.5 [INFO] [stderr] Compiling specdown v0.43.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 14.56s [INFO] running `Command { std: "docker" "inspect" "b154befc52b86f3897de904d9c2246b1c566a500a729fbc1d4010519b56e957b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b154befc52b86f3897de904d9c2246b1c566a500a729fbc1d4010519b56e957b", kill_on_drop: false }` [INFO] [stdout] b154befc52b86f3897de904d9c2246b1c566a500a729fbc1d4010519b56e957b [INFO] running `Command { std: "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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7928970c549a2d977c23a8edf97353434aa8c8e988adf0b0a0a2fac7d8e5f872 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "7928970c549a2d977c23a8edf97353434aa8c8e988adf0b0a0a2fac7d8e5f872", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.17s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/specdown-b024e12924e419c5 [INFO] [stdout] [INFO] [stdout] running 92 tests [INFO] [stdout] test parser::argument_value::test::integer::returns_integer_when_value_is_an_integer ... ok [INFO] [stdout] test parser::argument_value::test::token::returns_string_when_value_is_a_string ... ok [INFO] [stdout] test parser::argument_value::test::string::returns_error_when_value_is_a_token ... ok [INFO] [stdout] test parser::argument_value::test::string::returns_error_when_value_is_a_string ... ok [INFO] [stdout] test parser::code_block_info::tests::parse::script::succeeds_when_function_is_script_with_expected_exit_code ... ok [INFO] [stdout] test parser::actions::tests::create_action_for_verify ... ok [INFO] [stdout] test parser::code_block_info::tests::parse::file::fails_when_path_is_missing ... ok [INFO] [stdout] test parser::argument_value::test::integer::returns_error_when_value_is_a_token ... ok [INFO] [stdout] test parser::argument_value::test::token::returns_error_when_value_is_a_token ... ok [INFO] [stdout] test parser::argument_value::test::string::returns_string_when_value_is_a_string ... ok [INFO] [stdout] test parser::code_block_info::tests::parse::script::fails_when_name_is_missing ... ok [INFO] [stdout] test parser::argument_value::test::integer::returns_error_when_value_is_a_string ... ok [INFO] [stdout] test parser::argument_value::test::token::returns_error_when_value_is_a_string ... ok [INFO] [stdout] test parser::code_block_info::tests::parse::verify::succeeds_when_function_is_verify_and_stream_is_stderr ... ok [INFO] [stdout] test parser::code_block_info::tests::parse::verify::succeeds_when_function_is_verify_and_stream_is_stdout ... ok [INFO] [stdout] test parser::error::tests::display_incorrect_argument_type ... ok [INFO] [stdout] test parser::code_block_info::tests::parse::skip::fails_when_path_is_missing ... ok [INFO] [stdout] test parser::error::tests::display_string_encoding_failed ... ok [INFO] [stdout] test parser::code_block_info::tests::parse::skip::succeeds_when_function_is_skip ... ok [INFO] [stdout] test parser::error::tests::display_unknown_function ... ok [INFO] [stdout] test parser::actions::tests::create_action_for_script ... ok [INFO] [stdout] test parser::code_block_info::tests::parse::verify::fails_when_script_name_is_missing ... ok [INFO] [stdout] test parser::function_string::tests::argument::succeeds_when_alpha_numeric_name ... ok [INFO] [stdout] test parser::code_block_info::tests::parse::verify::fails_when_stream_is_missing ... ok [INFO] [stdout] test parser::actions::tests::create_action_for_file ... ok [INFO] [stdout] test parser::code_block_info::tests::parse::verify::fails_when_function_is_verify_and_stream_is_unknown ... ok [INFO] [stdout] test parser::function_string::tests::argument::succeeds_when_single_alpha_char_name ... ok [INFO] [stdout] test parser::function_string::tests::argument::succeeds_with_spaces_around_equals ... ok [INFO] [stdout] test parser::error::tests::display_parser_failed ... ok [INFO] [stdout] test parser::function_string::tests::argument::fails_when_name_starts_with_a_digit ... ok [INFO] [stdout] test parser::function::test::has_argument::returns_false_when_argument_is_present ... ok [INFO] [stdout] test parser::function::test::has_argument::returns_true_when_argument_is_present ... ok [INFO] [stdout] test parser::function_string::tests::argument::succeeds_when_arg_contains_underscore ... ok [INFO] [stdout] test parser::error::tests::display_root_must_be_document ... ok [INFO] [stdout] test parser::error::tests::display_invalid_argument_value ... ok [INFO] [stdout] test parser::code_block_info::tests::parse::script::succeeds_when_function_is_script ... ok [INFO] [stdout] test parser::error::tests::display_missing_argument ... ok [INFO] [stdout] test parser::code_block_info::tests::parse::file::succeeds_when_function_is_file ... ok [INFO] [stdout] test parser::function_string::tests::argument::succeeds_with_token_argument ... ok [INFO] [stdout] test parser::function_string::tests::argument_list::succeeds_when_no_arguments_are_provided ... ok [INFO] [stdout] test parser::function_string::tests::argument_list::succeeds_when_there_are_spaces_around_arguments ... ok [INFO] [stdout] test parser::function_string::tests::argument_list::succeeds_when_one_argument_is_provided ... ok [INFO] [stdout] test parser::function_string::tests::argument_value::string_value::fails_when_there_is_no_closing_quote ... ok [INFO] [stdout] test parser::function_string::tests::argument_value::string_value::succeeds_when_there_is_no_remainder ... ok [INFO] [stdout] test parser::function_string::tests::argument_value::token_value::succeeds_when_there_is_a_remainder ... ok [INFO] [stdout] test parser::function_string::tests::parse::succeeds_when_function_has_args ... ok [INFO] [stdout] test parser::function_string::tests::argument_value::succeeds_when_there_is_a_remainder ... ok [INFO] [stdout] test parser::function_string::tests::parse::succeeds_when_function_has_leading_whitespace ... ok [INFO] [stdout] test parser::function_string::tests::argument_list::succeeds_when_multiple_arguments_are_provided_with_spaces ... ok [INFO] [stdout] test parser::function_string::tests::argument_list::succeeds_when_multiple_arguments_are_provided ... ok [INFO] [stdout] test parser::function_string::tests::parse::succeeds_when_function_has_no_args ... ok [INFO] [stdout] test parser::function_string::tests::parse::succeeds_when_function_has_whitespace_before_opening_parenthesis ... ok [INFO] [stdout] test parser::function_string::tests::parse::succeeds_when_no_arguments_are_provided ... ok [INFO] [stdout] test parser::function_string::tests::parse::succeeds_when_multiple_arguments_are_provided_with_spaces ... ok [INFO] [stdout] test parser::function_string::tests::argument_value::integer_value::succeeds_when_there_is_a_remainder ... ok [INFO] [stdout] test parser::function_string::tests::argument_value::string_value::succeeds_when_there_is_a_remainder ... ok [INFO] [stdout] test parser::function_string::tests::parse::succeeds_when_one_argument_is_provided ... ok [INFO] [stdout] test parser::function_string::tests::parse::succeeds_when_multiple_arguments_are_provided ... ok [INFO] [stdout] test parser::actions::tests::create_action_for_skip ... ok [INFO] [stdout] test runner::state::tests::does_not_fail_when_verify_was_successful ... ok [INFO] [stdout] test runner::state::tests::does_not_succeed_when_script_failed ... ok [INFO] [stdout] test parser::markdown::tests::fenced_block_quotes_are_returned_when_the_exist_in_the_markdown ... ok [INFO] [stdout] test runner::state::tests::does_not_update_success_when_file_result_is_added ... ok [INFO] [stdout] test runner::executor::tests::shell::new_with_empty_command_string ... ok [INFO] [stdout] test parser::markdown::tests::it_does_not_return_an_element_when_a_code_bloc_is_not_fenced ... ok [INFO] [stdout] test parser::markdown::tests::no_actions_returned_when_not_code_blocks_in_markdown ... ok [INFO] [stdout] test runner::executor::tests::shell::new_invalid_command ... ok [INFO] [stdout] test parser::strip::tests::strip::test_strip ... ok [INFO] [stdout] test runner::state::tests::get_script_stderr_returns_the_output_when_script_output_exists ... ok [INFO] [stdout] test runner::state::tests::sets_success_when_initialized ... ok [INFO] [stdout] test runner::state::tests::get_script_stdout_returns_none_when_script_output_does_not_exists ... ok [INFO] [stdout] test runner::state::tests::updates_fail_count_when_verify_was_not_successful ... ok [INFO] [stdout] test runner::state::tests::updates_failed_count_when_successful_script_result_is_added ... ok [INFO] [stdout] test runner::state::tests::updates_success_count_when_file_result_is_added ... ok [INFO] [stdout] test runner::state::tests::updates_success_count_when_verify_was_successful ... ok [INFO] [stdout] test runner::verify::tests::test::returns_error_when_script_output_does_not_exit ... ok [INFO] [stdout] test runner::verify::tests::test::returns_result_for_failed_error_verification ... ok [INFO] [stdout] test runner::state::tests::updates_success_count_when_successful_script_result_is_added ... ok [INFO] [stdout] test runner::verify::tests::test::returns_result_for_failed_stdout_verification ... ok [INFO] [stdout] test runner::verify::tests::test::returns_result_for_successful_error_verification ... ok [INFO] [stdout] test runner::verify::tests::test::ignore_ansi_escape_characters_in_output_and_verify_value ... ok [INFO] [stdout] test runner::verify::tests::test::returns_result_for_successful_stdout_verification ... ok [INFO] [stdout] test runner::state::tests::get_script_stdout_returns_the_output_when_script_output_exists ... ok [INFO] [stdout] test runner::state::tests::sets_summary_to_zero_when_initialized ... ok [INFO] [stdout] test runner::state::tests::get_script_stderr_returns_none_when_script_output_does_not_exists ... ok [INFO] [stdout] test runner::state::tests::it_fails_when_verify_was_not_successful ... ok [INFO] [stdout] test runner::executor::tests::shell::new_with_command_without_arguments ... ok [INFO] [stdout] test runner::state::tests::does_not_update_success_when_successful_script_result_is_added ... ok [INFO] [stdout] test runner::state::tests::does_not_succeed_when_verify_was_successful_after_failure ... ok [INFO] [stdout] test runner::executor::tests::shell::new_with_command_with_arguments ... ok [INFO] [stdout] test runner::file::tests::test_run_creates_a_file ... FAILED [INFO] [stdout] test runner::file::tests::test_run_returns_a_file_result ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- runner::file::tests::test_run_creates_a_file stdout ---- [INFO] [stdout] thread 'runner::file::tests::test_run_creates_a_file' panicked at 'Failed to create test directory: Os { code: 30, kind: Other, message: "Read-only file system" }', src/runner/file.rs:27:38 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x564f777eed25 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x564f777eed25 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x564f777eed25 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x564f777eed25 - ::fmt::hb4bdb37c3c335733 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x564f7781773c - core::fmt::write::h540ac4a6a1232abc [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x564f774545e5 - std::io::Write::write_fmt::h4be0daababb55bba [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/io/mod.rs:1539 [INFO] [stdout] 6: 0x564f777e9141 - std::io::impls::>::write_fmt::h83c1e1aa73f374f5 [INFO] [stdout] at src/libstd/io/impls.rs:176 [INFO] [stdout] 7: 0x564f777f1480 - std::sys_common::backtrace::_print::hb55cc635eaf1882e [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x564f777f1480 - std::sys_common::backtrace::print::h2b2218fa55714084 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x564f777f1480 - std::panicking::default_hook::{{closure}}::h578517c025765cf3 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x564f777f117a - std::panicking::default_hook::h4cafc94c2fc640fb [INFO] [stdout] at src/libstd/panicking.rs:214 [INFO] [stdout] 11: 0x564f777f1ac3 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3 [INFO] [stdout] at src/libstd/panicking.rs:526 [INFO] [stdout] 12: 0x564f777f16bb - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:437 [INFO] [stdout] 13: 0x564f77815e21 - core::panicking::panic_fmt::h78830ea6a34e7206 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 14: 0x564f77815c43 - core::option::expect_none_failed::hf79bbb5ca7e09e08 [INFO] [stdout] at src/libcore/option.rs:1269 [INFO] [stdout] 15: 0x564f777d0a6f - core::result::Result::expect::hea68707cc33d300f [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/result.rs:963 [INFO] [stdout] 16: 0x564f77449f0a - specdown::runner::file::tests::test_run_creates_a_file::hc166589c1d682b1d [INFO] [stdout] at src/runner/file.rs:27 [INFO] [stdout] 17: 0x564f77449e9a - specdown::runner::file::tests::test_run_creates_a_file::{{closure}}::ha3df541977a8893e [INFO] [stdout] at src/runner/file.rs:26 [INFO] [stdout] 18: 0x564f7741e41e - core::ops::function::FnOnce::call_once::h1c4d5ab5f347d649 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233 [INFO] [stdout] 19: 0x564f7747bb5c - as core::ops::function::FnOnce>::call_once::h8340ba6798e0c4ff [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081 [INFO] [stdout] 20: 0x564f7747bb5c - as core::ops::function::FnOnce<()>>::call_once::h5590e98676605094 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318 [INFO] [stdout] 21: 0x564f7747bb5c - std::panicking::try::do_call::hd8680a2dbb0ed3c4 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348 [INFO] [stdout] 22: 0x564f7747bb5c - std::panicking::try::h46b4de2d705e7a8d [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325 [INFO] [stdout] 23: 0x564f7747bb5c - std::panic::catch_unwind::h059b3f06991e0a9c [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394 [INFO] [stdout] 24: 0x564f7747bb5c - test::run_test_in_process::h5ae08a65430494a4 [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 25: 0x564f7747bb5c - test::run_test::run_test_inner::{{closure}}::h4b36073838376ae8 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 26: 0x564f77453ad6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0169d0be588b8bf0 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 27: 0x564f77458ac5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h71bfc37e887d3973 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:475 [INFO] [stdout] 28: 0x564f77458ac5 - as core::ops::function::FnOnce<()>>::call_once::h36c65072907dc180 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318 [INFO] [stdout] 29: 0x564f77458ac5 - std::panicking::try::do_call::h4e0f426e17cd216c [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348 [INFO] [stdout] 30: 0x564f77458ac5 - std::panicking::try::hd05e4ef6b4303d29 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325 [INFO] [stdout] 31: 0x564f77458ac5 - std::panic::catch_unwind::h19a1127ec729c5dd [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394 [INFO] [stdout] 32: 0x564f77458ac5 - std::thread::Builder::spawn_unchecked::{{closure}}::h011300735f06b1e2 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:474 [INFO] [stdout] 33: 0x564f77458ac5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1e3c55f31f1d122e [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233 [INFO] [stdout] 34: 0x564f777f7f7a - as core::ops::function::FnOnce>::call_once::hc0e15d78a519721e [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081 [INFO] [stdout] 35: 0x564f777f7f7a - as core::ops::function::FnOnce>::call_once::h211da8fffb09f192 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081 [INFO] [stdout] 36: 0x564f777f7f7a - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 37: 0x7fc164c43609 - start_thread [INFO] [stdout] 38: 0x7fc164b4f103 - __clone [INFO] [stdout] 39: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- runner::file::tests::test_run_returns_a_file_result stdout ---- [INFO] [stdout] thread 'runner::file::tests::test_run_returns_a_file_result' panicked at 'Failed to create test directory: Os { code: 30, kind: Other, message: "Read-only file system" }', src/runner/file.rs:49:38 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x564f777eed25 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x564f777eed25 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x564f777eed25 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x564f777eed25 - ::fmt::hb4bdb37c3c335733 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x564f7781773c - core::fmt::write::h540ac4a6a1232abc [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x564f774545e5 - std::io::Write::write_fmt::h4be0daababb55bba [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/io/mod.rs:1539 [INFO] [stdout] 6: 0x564f777e9141 - std::io::impls::>::write_fmt::h83c1e1aa73f374f5 [INFO] [stdout] at src/libstd/io/impls.rs:176 [INFO] [stdout] 7: 0x564f777f1480 - std::sys_common::backtrace::_print::hb55cc635eaf1882e [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x564f777f1480 - std::sys_common::backtrace::print::h2b2218fa55714084 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x564f777f1480 - std::panicking::default_hook::{{closure}}::h578517c025765cf3 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x564f777f117a - std::panicking::default_hook::h4cafc94c2fc640fb [INFO] [stdout] at src/libstd/panicking.rs:214 [INFO] [stdout] 11: 0x564f777f1ac3 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3 [INFO] [stdout] at src/libstd/panicking.rs:526 [INFO] [stdout] 12: 0x564f777f16bb - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:437 [INFO] [stdout] 13: 0x564f77815e21 - core::panicking::panic_fmt::h78830ea6a34e7206 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 14: 0x564f77815c43 - core::option::expect_none_failed::hf79bbb5ca7e09e08 [INFO] [stdout] at src/libcore/option.rs:1269 [INFO] [stdout] 15: 0x564f777d0a6f - core::result::Result::expect::hea68707cc33d300f [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/result.rs:963 [INFO] [stdout] 16: 0x564f7744a412 - specdown::runner::file::tests::test_run_returns_a_file_result::h57939619c68f91a8 [INFO] [stdout] at src/runner/file.rs:49 [INFO] [stdout] 17: 0x564f7744a3aa - specdown::runner::file::tests::test_run_returns_a_file_result::{{closure}}::hf848210e79c9f40f [INFO] [stdout] at src/runner/file.rs:48 [INFO] [stdout] 18: 0x564f7741ec6e - core::ops::function::FnOnce::call_once::h97463d9b91ad1d3a [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233 [INFO] [stdout] 19: 0x564f7747bb5c - as core::ops::function::FnOnce>::call_once::h8340ba6798e0c4ff [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081 [INFO] [stdout] 20: 0x564f7747bb5c - as core::ops::function::FnOnce<()>>::call_once::h5590e98676605094 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318 [INFO] [stdout] 21: 0x564f7747bb5c - std::panicking::try::do_call::hd8680a2dbb0ed3c4 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348 [INFO] [stdout] 22: 0x564f7747bb5c - std::panicking::try::h46b4de2d705e7a8d [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325 [INFO] [stdout] 23: 0x564f7747bb5c - std::panic::catch_unwind::h059b3f06991e0a9c [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394 [INFO] [stdout] 24: 0x564f7747bb5c - test::run_test_in_process::h5ae08a65430494a4 [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 25: 0x564f7747bb5c - test::run_test::run_test_inner::{{closure}}::h4b36073838376ae8 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 26: 0x564f77453ad6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0169d0be588b8bf0 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 27: 0x564f77458ac5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h71bfc37e887d3973 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:475 [INFO] [stdout] 28: 0x564f77458ac5 - as core::ops::function::FnOnce<()>>::call_once::h36c65072907dc180 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318 [INFO] [stdout] 29: 0x564f77458ac5 - std::panicking::try::do_call::h4e0f426e17cd216c [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348 [INFO] [stdout] 30: 0x564f77458ac5 - std::panicking::try::hd05e4ef6b4303d29 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325 [INFO] [stdout] 31: 0x564f77458ac5 - std::panic::catch_unwind::h19a1127ec729c5dd [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394 [INFO] [stdout] 32: 0x564f77458ac5 - std::thread::Builder::spawn_unchecked::{{closure}}::h011300735f06b1e2 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:474 [INFO] [stdout] 33: 0x564f77458ac5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1e3c55f31f1d122e [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233 [INFO] [stdout] 34: 0x564f777f7f7a - as core::ops::function::FnOnce>::call_once::hc0e15d78a519721e [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081 [INFO] [stdout] 35: 0x564f777f7f7a - as core::ops::function::FnOnce>::call_once::h211da8fffb09f192 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081 [INFO] [stdout] 36: 0x564f777f7f7a - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 37: 0x7fc164c43609 - start_thread [INFO] [stdout] 38: 0x7fc164b4f103 - __clone [INFO] [stdout] 39: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] runner::file::tests::test_run_creates_a_file [INFO] [stdout] runner::file::tests::test_run_returns_a_file_result [INFO] [stdout] [INFO] [stdout] test result: FAILED. 90 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin specdown' [INFO] running `Command { std: "docker" "inspect" "7928970c549a2d977c23a8edf97353434aa8c8e988adf0b0a0a2fac7d8e5f872", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7928970c549a2d977c23a8edf97353434aa8c8e988adf0b0a0a2fac7d8e5f872", kill_on_drop: false }` [INFO] [stdout] 7928970c549a2d977c23a8edf97353434aa8c8e988adf0b0a0a2fac7d8e5f872