[INFO] crate pest 2.1.3 is already in cache [INFO] testing pest-2.1.3 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] extracting crate pest 2.1.3 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate pest 2.1.3 on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate pest 2.1.3 [INFO] finished tweaking crates.io crate pest 2.1.3 [INFO] tweaked toml for crates.io crate pest 2.1.3 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate pest 2.1.3 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4bdb816a8704de1af36b855f7b7f3b5985fe6d2c16f083dfcb80acc8d3bf6db1 [INFO] running `"docker" "start" "-a" "4bdb816a8704de1af36b855f7b7f3b5985fe6d2c16f083dfcb80acc8d3bf6db1"` [INFO] [stderr] Compiling pest v2.1.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.89s [INFO] running `"docker" "inspect" "4bdb816a8704de1af36b855f7b7f3b5985fe6d2c16f083dfcb80acc8d3bf6db1"` [INFO] running `"docker" "rm" "-f" "4bdb816a8704de1af36b855f7b7f3b5985fe6d2c16f083dfcb80acc8d3bf6db1"` [INFO] [stdout] 4bdb816a8704de1af36b855f7b7f3b5985fe6d2c16f083dfcb80acc8d3bf6db1 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8d4145e09d308c26707556505cb7e495e1afbee2f560872b4ae0d4d31f12eb6d [INFO] running `"docker" "start" "-a" "8d4145e09d308c26707556505cb7e495e1afbee2f560872b4ae0d4d31f12eb6d"` [INFO] [stderr] Compiling pest v2.1.3 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused return value of `std::cmp::Ord::cmp` that must be used [INFO] [stderr] --> src/position.rs:608:9 [INFO] [stderr] | [INFO] [stderr] 608 | pos1.cmp(&pos2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 13.36s [INFO] running `"docker" "inspect" "8d4145e09d308c26707556505cb7e495e1afbee2f560872b4ae0d4d31f12eb6d"` [INFO] running `"docker" "rm" "-f" "8d4145e09d308c26707556505cb7e495e1afbee2f560872b4ae0d4d31f12eb6d"` [INFO] [stdout] 8d4145e09d308c26707556505cb7e495e1afbee2f560872b4ae0d4d31f12eb6d [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 27ef85611ed6ace0536f7e1392e3f5a165eb3bbd8f018186721b7476baa3f935 [INFO] running `"docker" "start" "-a" "27ef85611ed6ace0536f7e1392e3f5a165eb3bbd8f018186721b7476baa3f935"` [INFO] [stderr] warning: unused return value of `std::cmp::Ord::cmp` that must be used [INFO] [stderr] --> src/position.rs:608:9 [INFO] [stderr] | [INFO] [stderr] 608 | pos1.cmp(&pos2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/pest-c16c6a30338c5624 [INFO] [stdout] [INFO] [stdout] running 54 tests [INFO] [stdout] test error::tests::display_custom_pos ... ok [INFO] [stdout] test error::tests::display_custom_span_two_lines ... ok [INFO] [stdout] test error::tests::display_custom_span_end_after_newline ... ok [INFO] [stdout] test error::tests::display_custom_span_empty ... ok [INFO] [stdout] test error::tests::display_custom_span_three_lines ... ok [INFO] [stdout] test error::tests::display_parsing_error_unknown ... ok [INFO] [stdout] test error::tests::display_parsing_error_negatives ... ok [INFO] [stdout] test error::tests::display_custom_span_two_lines_inverted_cols ... ok [INFO] [stdout] test error::tests::display_parsing_error_positives ... ok [INFO] [stdout] test error::tests::display_parsing_error_mixed ... ok [INFO] [stdout] test iterators::flat_pairs::tests::iter_for_flat_pairs ... ok [INFO] [stdout] test iterators::pairs::tests::as_str_empty ... ok [INFO] [stdout] test error::tests::mapped_parsing_error ... ok [INFO] [stdout] test iterators::pairs::tests::double_ended_iter_for_pairs ... ok [INFO] [stdout] test iterators::pairs::tests::concat ... ok [INFO] [stdout] test error::tests::underline_with_tabs ... ok [INFO] [stdout] test iterators::flat_pairs::tests::double_ended_iter_for_flat_pairs ... ok [INFO] [stdout] test iterators::pair::tests::pair_into_inner ... ok [INFO] [stdout] test iterators::pairs::tests::as_str ... ok [INFO] [stdout] test iterators::pairs::tests::iter_for_pairs ... ok [INFO] [stdout] test error::tests::error_with_path ... ok [INFO] [stdout] test iterators::pairs::tests::pairs_debug ... ok [INFO] [stdout] test iterators::tokens::tests::double_ended_iter_for_tokens ... ok [INFO] [stdout] test iterators::pairs::tests::pairs_display ... ok [INFO] [stdout] test macros::tests::parses_to ... ok [INFO] [stdout] test macros::tests::fails_with ... ok [INFO] [stdout] test parser_state::test::normalize_index_neg ... ok [INFO] [stdout] test parser_state::test::normalize_index_pos ... ok [INFO] [stdout] test position::tests::cmp ... ok [INFO] [stdout] test position::tests::empty ... ok [INFO] [stdout] test position::tests::hash ... ok [INFO] [stdout] test position::tests::line_col ... ok [INFO] [stdout] test position::tests::line_of_between_new_line ... ok [INFO] [stdout] test position::tests::line_of ... ok [INFO] [stdout] test position::tests::line_of_new_line ... ok [INFO] [stdout] test position::tests::line_of_empty ... ok [INFO] [stdout] test position::tests::match_range ... ok [INFO] [stdout] test position::tests::match_insensitive ... ok [INFO] [stdout] test position::tests::parts ... ok [INFO] [stdout] test position::tests::skip_empty ... ok [INFO] [stdout] test position::tests::skip ... ok [INFO] [stdout] test span::tests::lines_eof ... ok [INFO] [stdout] test position::tests::skip_until ... ok [INFO] [stdout] test span::tests::split ... ok [INFO] [stdout] test span::tests::lines_mid ... ok [INFO] [stdout] test stack::test::snapshot_with_empty ... ok [INFO] [stdout] test stack::test::stack_ops ... ok [INFO] [stdout] test stack::test::snapshot_twice ... ok [INFO] [stdout] test macros::tests::empty ... ok [INFO] [stdout] test macros::tests::wrong_pos ... ok [INFO] [stdout] test macros::tests::missing_end ... ok [INFO] [stdout] test macros::tests::wrong_positives ... ok [INFO] [stdout] test position::tests::cmp_panic ... ok [INFO] [stdout] test macros::tests::wrong_negatives ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 54 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/calculator-f3586741fefa504a [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test number ... ok [INFO] [stdout] test prec_climb ... ok [INFO] [stdout] test expression ... ok [INFO] [stdout] test parens ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/json-e8196b9b1856c4ef [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test array_empty ... ok [INFO] [stdout] test bool ... ok [INFO] [stdout] test ast ... ok [INFO] [stdout] test float ... ok [INFO] [stdout] test float_with_exp ... ok [INFO] [stdout] test number_minus_zero ... ok [INFO] [stdout] test number_zero ... ok [INFO] [stdout] test array ... ok [INFO] [stdout] test null ... ok [INFO] [stdout] test string_with_escapes ... ok [INFO] [stdout] test object ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests pest [INFO] [stdout] [INFO] [stdout] running 61 tests [INFO] [stdout] test src/iterators/pair.rs - iterators::pair::Pair::as_str (line 93) ... FAILED [INFO] [stdout] test src/iterators/flat_pairs.rs - iterators::flat_pairs::FlatPairs::tokens (line 54) ... FAILED [INFO] [stdout] test src/error.rs - error::Error::with_path (line 168) ... ok [INFO] [stdout] test src/iterators/pair.rs - iterators::pair::Pair::as_rule (line 64) ... FAILED [INFO] [stdout] test src/iterators/pair.rs - iterators::pair::Pair::as_span (line 150) ... ok [INFO] [stdout] test src/error.rs - error::Error::renamed_rules (line 204) ... FAILED [INFO] [stdout] test src/error.rs - error::Error::new_from_span (line 113) ... ok [INFO] [stdout] test src/error.rs - error::Error::new_from_pos (line 75) ... ok [INFO] [stdout] test src/lib.rs - (line 49) ... ignored [INFO] [stdout] test src/iterators/pairs.rs - iterators::pairs::Pairs::concat (line 95) ... FAILED [INFO] [stdout] test src/iterators/pair.rs - iterators::pair::Pair::into_inner (line 180) ... ok [INFO] [stdout] test src/iterators/pair.rs - iterators::pair::Pair::tokens (line 208) ... ok [INFO] [stdout] test src/iterators/pairs.rs - iterators::pairs::Pairs::flatten (line 124) ... ok [INFO] [stdout] test src/iterators/pair.rs - iterators::pair::Pair::into_span (line 123) ... ok [INFO] [stdout] test src/iterators/pairs.rs - iterators::pairs::Pairs::as_str (line 59) ... ok [INFO] [stdout] test src/parser_state.rs - parser_state::ParserState::atomicity (line 153) ... ok [INFO] [stdout] test src/iterators/pairs.rs - iterators::pairs::Pairs::tokens (line 154) ... ok [INFO] [stdout] test src/parser_state.rs - parser_state::ParserState::end_of_input (line 677) ... ok [INFO] [stdout] test src/macros.rs - fails_with (line 261) ... ok [INFO] [stdout] test src/parser_state.rs - parser_state::ParserState::atomic (line 776) ... ok [INFO] [stdout] test src/parser_state.rs - parser_state::ParserState::match_char_by (line 465) ... ok [INFO] [stdout] test src/macros.rs - parses_to (line 160) ... ok [INFO] [stdout] test src/parser_state.rs - parser_state::ParserState::match_insensitive (line 531) ... ok [INFO] [stdout] test src/parser_state.rs - parser_state::ParserState::match_range (line 562) ... ok [INFO] [stdout] test src/parser_state.rs - parser_state::ParserState::match_string (line 500) ... ok [INFO] [stdout] test src/parser_state.rs - parser_state::ParserState::new (line 109) ... ok [INFO] [stdout] test src/parser_state.rs - parser_state::ParserState::lookahead (line 709) ... ok [INFO] [stdout] test src/parser_state.rs - parser_state::ParserState::optional (line 428) ... ok [INFO] [stdout] test src/parser_state.rs - parser_state::ParserState::position (line 132) ... ok [INFO] [stdout] test src/parser_state.rs - parser_state::ParserState::repeat (line 385) ... ok [INFO] [stdout] test src/parser_state.rs - parser_state::ParserState::restore_on_err (line 1068) ... ok [INFO] [stdout] test src/parser_state.rs - parser_state::ParserState::rule (line 176) ... ok [INFO] [stdout] test src/parser_state.rs - parser_state::ParserState::stack_drop (line 1041) ... ok [INFO] [stdout] test src/parser_state.rs - parser_state::ParserState::sequence (line 338) ... ok [INFO] [stdout] test src/parser_state.rs - parser_state::ParserState::skip (line 593) ... ok [INFO] [stdout] test src/parser_state.rs - parser_state::ParserState::skip_until (line 624) ... ok [INFO] [stdout] test src/parser_state.rs - parser_state::ParserState::stack_match_peek (line 979) ... ok [INFO] [stdout] test src/parser_state.rs - parser_state::ParserState::stack_match_peek_slice (line 922) ... ok [INFO] [stdout] test src/parser_state.rs - parser_state::ParserState::stack_match_pop (line 1003) ... ok [INFO] [stdout] test src/parser_state.rs - parser_state::ParserState::start_of_input (line 647) ... ok [INFO] [stdout] test src/parser_state.rs - parser_state::ParserState::stack_push (line 829) ... ok [INFO] [stdout] test src/parser_state.rs - parser_state::ParserState::stack_peek (line 865) ... ok [INFO] [stdout] test src/parser_state.rs - parser_state::ParserState::stack_pop (line 894) ... ok [INFO] [stdout] test src/position.rs - position::Position::from_start (line 61) ... ok [INFO] [stdout] test src/prec_climber.rs - prec_climber::PrecClimber::climb (line 155) ... ignored [INFO] [stdout] test src/parser_state.rs - parser_state::state (line 69) ... ok [INFO] [stdout] test src/position.rs - position::Position::line_col (line 122) ... ok [INFO] [stdout] test src/position.rs - position::Position::new (line 45) ... ok [INFO] [stdout] test src/position.rs - position::Position::line_of (line 184) ... ok [INFO] [stdout] test src/prec_climber.rs - prec_climber::Operator::new (line 45) ... ok [INFO] [stdout] test src/position.rs - position::Position::pos (line 76) ... ok [INFO] [stdout] test src/position.rs - position::Position::span (line 96) ... ok [INFO] [stdout] test src/span.rs - span::Span::as_str (line 165) ... ok [INFO] [stdout] test src/span.rs - span::Span::end (line 87) ... ok [INFO] [stdout] test src/prec_climber.rs - prec_climber::PrecClimber::new (line 100) ... ok [INFO] [stdout] test src/span.rs - span::Span::end_pos (line 124) ... ok [INFO] [stdout] test src/span.rs - span::Span::split (line 143) ... ok [INFO] [stdout] test src/span.rs - span::Span::new (line 50) ... ok [INFO] [stdout] test src/span.rs - span::Span::start (line 69) ... ok [INFO] [stdout] test src/span.rs - span::Span::lines (line 188) ... ok [INFO] [stdout] test src/span.rs - span::Span::start_pos (line 105) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/iterators/pair.rs - iterators::pair::Pair::as_str (line 93) stdout ---- [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/iterators/flat_pairs.rs - iterators::flat_pairs::FlatPairs::tokens (line 54) stdout ---- [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/iterators/pair.rs - iterators::pair::Pair::as_rule (line 64) stdout ---- [INFO] [stdout] thread '' panicked at 'failed to set up alternative stack guard page', src/libstd/sys/unix/stack_overflow.rs:155:13 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x7f644e4ccab4 - backtrace::backtrace::libunwind::trace::hbb4ce8c04526962e [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x7f644e4ccab4 - backtrace::backtrace::trace_unsynchronized::h79251c088e7be038 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x7f644e4ccab4 - std::sys_common::backtrace::_print_fmt::h6b0ea30a9223acae [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x7f644e4ccab4 - ::fmt::h4d51ef07ce58e54b [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x7f644e50b08c - core::fmt::write::he16b9c1345d8565e [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x7f644e4be503 - std::io::Write::write_fmt::h35d873b9ce1f02a8 [INFO] [stdout] at src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x7f644e4d1ab5 - std::sys_common::backtrace::_print::h9288fa7d9f6629cb [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x7f644e4d1ab5 - std::sys_common::backtrace::print::h82e606e62781d8af [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x7f644e4d1ab5 - std::panicking::default_hook::{{closure}}::h1fe350ecbf7604e4 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x7f644e4d17f2 - std::panicking::default_hook::h1b8b42953fdc841d [INFO] [stdout] at src/libstd/panicking.rs:218 [INFO] [stdout] 10: 0x7f644ea6d023 - rustc_driver::report_ice::hc854f2347093227d [INFO] [stdout] 11: 0x7f644e4d2235 - std::panicking::rust_panic_with_hook::he73826f4bb75a21e [INFO] [stdout] at src/libstd/panicking.rs:515 [INFO] [stdout] 12: 0x7f644e4d1f9e - std::panicking::begin_panic::h6c13956597130993 [INFO] [stdout] at src/libstd/panicking.rs:438 [INFO] [stdout] 13: 0x7f644e4e1b78 - std::sys::unix::stack_overflow::imp::get_stackp::h9afa25adc8272fa6 [INFO] [stdout] at src/libstd/sys/unix/stack_overflow.rs:155 [INFO] [stdout] 14: 0x7f644e4e1b78 - std::sys::unix::stack_overflow::imp::get_stack::hf1883134c5794e13 [INFO] [stdout] at src/libstd/sys/unix/stack_overflow.rs:170 [INFO] [stdout] 15: 0x7f644e4e1b78 - std::sys::unix::stack_overflow::imp::make_handler::h02cf637c87014783 [INFO] [stdout] at src/libstd/sys/unix/stack_overflow.rs:186 [INFO] [stdout] 16: 0x7f644e4e228f - std::sys::unix::stack_overflow::Handler::new::hef27dd5037f66f22 [INFO] [stdout] at src/libstd/sys/unix/stack_overflow.rs:14 [INFO] [stdout] 17: 0x7f644e4e228f - std::sys::unix::thread::Thread::new::thread_start::ha538939ed1e2e958 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:85 [INFO] [stdout] 18: 0x7f644e2466db - start_thread [INFO] [stdout] 19: 0x7f644db6388f - __clone [INFO] [stdout] 20: 0x0 - [INFO] [stdout] [INFO] [stdout] error: internal compiler error: unexpected panic [INFO] [stdout] [INFO] [stdout] note: the compiler unexpectedly panicked. this is a bug. [INFO] [stdout] [INFO] [stdout] note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports [INFO] [stdout] [INFO] [stdout] note: rustc 1.44.0-nightly (28742a114 2020-04-18) running on x86_64-unknown-linux-gnu [INFO] [stdout] [INFO] [stdout] note: compiler flags: -C codegen-units=1 --crate-type bin [INFO] [stdout] [INFO] [stdout] query stack during panic: [INFO] [stdout] end of query stack [INFO] [stdout] fatal runtime error: failed to initiate panic, error 5 [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/error.rs - error::Error::renamed_rules (line 204) stdout ---- [INFO] [stdout] Couldn't run the test: No such file or directory (os error 2) [INFO] [stdout] ---- src/iterators/pairs.rs - iterators::pairs::Pairs::concat (line 95) stdout ---- [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/error.rs - error::Error::renamed_rules (line 204) [INFO] [stdout] src/iterators/flat_pairs.rs - iterators::flat_pairs::FlatPairs::tokens (line 54) [INFO] [stdout] src/iterators/pair.rs - iterators::pair::Pair::as_rule (line 64) [INFO] [stdout] src/iterators/pair.rs - iterators::pair::Pair::as_str (line 93) [INFO] [stdout] src/iterators/pairs.rs - iterators::pairs::Pairs::concat (line 95) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 54 passed; 5 failed; 2 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "27ef85611ed6ace0536f7e1392e3f5a165eb3bbd8f018186721b7476baa3f935"` [INFO] running `"docker" "rm" "-f" "27ef85611ed6ace0536f7e1392e3f5a165eb3bbd8f018186721b7476baa3f935"` [INFO] [stdout] 27ef85611ed6ace0536f7e1392e3f5a165eb3bbd8f018186721b7476baa3f935