[INFO] fetching crate liblet 0.2.0...
[INFO] testing liblet-0.2.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate liblet 0.2.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate liblet 0.2.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate liblet 0.2.0
[INFO] finished tweaking crates.io crate liblet 0.2.0
[INFO] tweaked toml for crates.io crate liblet 0.2.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate liblet 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8eb97e183e7c1e7b74b997b9684d4a5a3e60d69978450af9efe724f1cd2284fd
[INFO] running `Command { std: "docker" "start" "-a" "8eb97e183e7c1e7b74b997b9684d4a5a3e60d69978450af9efe724f1cd2284fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8eb97e183e7c1e7b74b997b9684d4a5a3e60d69978450af9efe724f1cd2284fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eb97e183e7c1e7b74b997b9684d4a5a3e60d69978450af9efe724f1cd2284fd", kill_on_drop: false }`
[INFO] [stdout] 8eb97e183e7c1e7b74b997b9684d4a5a3e60d69978450af9efe724f1cd2284fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af7324b20fe794cca9a08b79753675cce6ccdfb7325aaa20b4eb22be24af0b72
[INFO] running `Command { std: "docker" "start" "-a" "af7324b20fe794cca9a08b79753675cce6ccdfb7325aaa20b4eb22be24af0b72", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.20
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling liblet v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.53s
[INFO] running `Command { std: "docker" "inspect" "af7324b20fe794cca9a08b79753675cce6ccdfb7325aaa20b4eb22be24af0b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af7324b20fe794cca9a08b79753675cce6ccdfb7325aaa20b4eb22be24af0b72", kill_on_drop: false }`
[INFO] [stdout] af7324b20fe794cca9a08b79753675cce6ccdfb7325aaa20b4eb22be24af0b72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0e20eee8e414f7893c752799852aaa7571fad24c50ecc4719764cc347642906
[INFO] running `Command { std: "docker" "start" "-a" "c0e20eee8e414f7893c752799852aaa7571fad24c50ecc4719764cc347642906", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling pulldown-cmark v0.7.1
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling semver-parser v0.9.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling version-sync v0.9.0
[INFO] [stderr]    Compiling liblet v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> tests/version-number.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     version_sync::assert_markdown_deps_updated!("README.md");
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]   = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: this warning originates in the macro `version_sync::assert_markdown_deps_updated` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> tests/version-number.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     version_sync::assert_html_root_url_updated!("src/lib.rs");
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: this warning originates in the macro `version_sync::assert_html_root_url_updated` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.51s
[INFO] running `Command { std: "docker" "inspect" "c0e20eee8e414f7893c752799852aaa7571fad24c50ecc4719764cc347642906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e20eee8e414f7893c752799852aaa7571fad24c50ecc4719764cc347642906", kill_on_drop: false }`
[INFO] [stdout] c0e20eee8e414f7893c752799852aaa7571fad24c50ecc4719764cc347642906
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 91db928cf56110875c13f51382f2144b930922f87c8e9a24d986af4d538f63a3
[INFO] running `Command { std: "docker" "start" "-a" "91db928cf56110875c13f51382f2144b930922f87c8e9a24d986af4d538f63a3", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]  --> tests/version-number.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     version_sync::assert_markdown_deps_updated!("README.md");
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]   = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]   = note: this warning originates in the macro `version_sync::assert_markdown_deps_updated` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]  --> tests/version-number.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     version_sync::assert_html_root_url_updated!("src/lib.rs");
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]   = note: this warning originates in the macro `version_sync::assert_html_root_url_updated` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `liblet` (test "version-number") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/liblet-e0ec2d406f7f6407)
[INFO] [stdout] 
[INFO] [stdout] running 189 tests
[INFO] [stdout] test automaton::tests::automaton ... ok
[INFO] [stdout] test automaton::tests::automaton_debug ... ok
[INFO] [stdout] test automaton::tests::automaton_error_source ... ok
[INFO] [stdout] test automaton::tests::automaton_error_display_not_regular_grammar ... ok
[INFO] [stdout] test automaton::tests::automaton_error_display_transition_error ... ok
[INFO] [stdout] test automaton::tests::automaton_error_display_no_states ... ok
[INFO] [stdout] test automaton::tests::automaton_f ... ok
[INFO] [stdout] test automaton::tests::automaton_display_symbol ... ok
[INFO] [stdout] test automaton::tests::automaton_from_grammar ... ok
[INFO] [stdout] test automaton::tests::automaton_from_string_error ... ok
[INFO] [stdout] test automaton::tests::automaton_from_grammar_error ... ok
[INFO] [stdout] test automaton::tests::automaton_new ... ok
[INFO] [stdout] test automaton::tests::automaton_next ... ok
[INFO] [stdout] test automaton::tests::automaton_try_from_grammar ... ok
[INFO] [stdout] test automaton::tests::automaton_with_q0 ... ok
[INFO] [stdout] test automaton::tests::automaton_new_no_transitions ... ok
[INFO] [stdout] test automaton::tests::automaton_q0 ... ok
[INFO] [stdout] test automaton::tests::automaton_from_string_no_q0 ... ok
[INFO] [stdout] test automaton::tests::automaton_transitions ... ok
[INFO] [stdout] test automaton::tests::automaton_from_string_with_q0 ... ok
[INFO] [stdout] test automaton::tests::automaton_t ... ok
[INFO] [stdout] test automaton::tests::automaton_n ... ok
[INFO] [stdout] test automaton::tests::transition_display_symbol ... ok
[INFO] [stdout] test automaton::tests::transition_error_display_format_error ... ok
[INFO] [stdout] test automaton::tests::transition ... ok
[INFO] [stdout] test automaton::tests::mod_automaton_with_q0 ... ok
[INFO] [stdout] test automaton::tests::automaton_with_q0_no_transitions ... ok
[INFO] [stdout] test automaton::tests::transition_error_source ... ok
[INFO] [stdout] test automaton::tests::transition_error_display_symbol_error ... ok
[INFO] [stdout] test automaton::tests::transition_debug ... ok
[INFO] [stdout] test automaton::tests::transition_from_string ... ok
[INFO] [stdout] test automaton::tests::transition_from_string_no_label ... ok
[INFO] [stdout] test automaton::tests::transition_from_string_symbol_error_from ... ok
[INFO] [stdout] test automaton::tests::transition_try_from_empty ... ok
[INFO] [stdout] test automaton::tests::transitions ... ok
[INFO] [stdout] test automaton::tests::transition_try_from_multiple ... ok
[INFO] [stdout] test automaton::tests::transition_try_from_error ... ok
[INFO] [stdout] test automaton::tests::transition_try_from ... ok
[INFO] [stdout] test derivation::tests::derivation_error_display_no_n_symbol ... ok
[INFO] [stdout] test derivation::tests::derivation_error_display_wrong_production_index ... ok
[INFO] [stdout] test derivation::tests::derivation ... ok
[INFO] [stdout] test derivation::tests::derivation_display ... ok
[INFO] [stdout] test derivation::tests::derivation_error_display_wrong_index ... ok
[INFO] [stdout] test derivation::tests::is_possible_step_false ... ok
[INFO] [stdout] test derivation::tests::derivation_error_display_impossible_step ... ok
[INFO] [stdout] test derivation::tests::is_possible_step_true ... ok
[INFO] [stdout] test derivation::tests::leftmost ... ok
[INFO] [stdout] test automaton::tests::transition_from_string_symbol_error_to ... ok
[INFO] [stdout] test derivation::tests::leftmost_no_n_symbol ... ok
[INFO] [stdout] test derivation::tests::new_from ... ok
[INFO] [stdout] test derivation::tests::possible_steps_by_index_wrong_index ... ok
[INFO] [stdout] test derivation::tests::rightmost ... ok
[INFO] [stdout] test derivation::tests::rightmost_no_n_symbol ... ok
[INFO] [stdout] test derivation::tests::possible_steps_by_index ... ok
[INFO] [stdout] test automaton::tests::transition_from_string_tokenizer_error ... ok
[INFO] [stdout] test automaton::tests::transition_new ... ok
[INFO] [stdout] test derivation::tests::new ... ok
[INFO] [stdout] test derivation::tests::possible_steps_by_prod ... ok
[INFO] [stdout] test derivation::tests::leftmost_from_iter ... ok
[INFO] [stdout] test grammar::tests::grammar ... ok
[INFO] [stdout] test derivation::tests::step_wrong_index ... ok
[INFO] [stdout] test grammar::tests::grammar_error_source ... ok
[INFO] [stdout] test grammar::tests::grammar_error_source_none ... ok
[INFO] [stdout] test derivation::tests::rightmost_from_iter ... ok
[INFO] [stdout] test derivation::tests::derivation_step_display ... ok
[INFO] [stdout] test grammar::tests::grammar_try_from_error ... ok
[INFO] [stdout] test grammar::tests::n ... ok
[INFO] [stdout] test grammar::tests::grammar_error_display_multiple_start_symbols ... ok
[INFO] [stdout] test grammar::tests::new ... ok
[INFO] [stdout] test grammar::tests::grammar_display ... ok
[INFO] [stdout] test derivation::tests::step_impossible_step ... ok
[INFO] [stdout] test grammar::tests::from_string_no_lhs ... ok
[INFO] [stdout] test grammar::tests::from_string_no_rhs ... ok
[INFO] [stdout] test grammar::tests::grammar_error_display_wrong_non_terminals ... ok
[INFO] [stdout] test grammar::tests::new_from_string_wrong_non_terminal_symbols ... ok
[INFO] [stdout] test grammar::tests::grammar_error_display_wrong_start_symbol ... ok
[INFO] [stdout] test grammar::tests::grammar_error_display_no_start_symbol ... ok
[INFO] [stdout] test derivation::tests::step ... ok
[INFO] [stdout] test derivation::tests::sentential_form_before_steps ... ok
[INFO] [stdout] test grammar::tests::alternatives ... ok
[INFO] [stdout] test grammar::tests::grammar_error_display_symbol_error ... ok
[INFO] [stdout] test grammar::tests::from_string_no_start_symbol_no_production ... ok
[INFO] [stdout] test derivation::tests::step_wrong_production_index ... ok
[INFO] [stdout] test grammar::tests::new_from_string_wrong_start_symbol ... ok
[INFO] [stdout] test derivation::tests::step_epsilon ... ok
[INFO] [stdout] test grammar::tests::grammar_error_display_wrong_terminals ... ok
[INFO] [stdout] test derivation::tests::step_from_iter ... ok
[INFO] [stdout] test grammar::tests::alternatives_empty ... ok
[INFO] [stdout] test grammar::tests::from_string_multiple_start_symbols ... ok
[INFO] [stdout] test grammar::tests::grammar_try_from ... ok
[INFO] [stdout] test grammar::tests::grammar_error_display_production_error ... ok
[INFO] [stdout] test grammar::tests::new_from_string ... ok
[INFO] [stdout] test grammar::tests::new_from_string_wrong_terminal_symbols ... ok
[INFO] [stdout] test grammar::tests::grammar_quadruple ... ok
[INFO] [stdout] test grammar::tests::new_wrong_terminals ... ok
[INFO] [stdout] test grammar::tests::new_wrong_non_terminals ... ok
[INFO] [stdout] test grammar::tests::p ... ok
[INFO] [stdout] test production::tests::from_string ... ok
[INFO] [stdout] test grammar::tests::new_wrong_start_symbol ... ok
[INFO] [stdout] test grammar::tests::reachable_from ... ok
[INFO] [stdout] test grammar::tests::restrict_to ... ok
[INFO] [stdout] test grammar::tests::productives_from ... ok
[INFO] [stdout] test grammar::tests::restrict_to_panic_start_symbol ... ok
[INFO] [stdout] test automaton::tests::transition_error - should panic ... ok
[INFO] [stdout] test grammar::tests::from_string ... ok
[INFO] [stdout] test production::tests::production_error_display_symbol_error ... ok
[INFO] [stdout] test production::tests::production_error_display_no_rhs ... ok
[INFO] [stdout] test production::tests::production_error_display_format_error ... ok
[INFO] [stdout] test production::tests::new_from_string_error_rhs ... ok
[INFO] [stdout] test production::tests::new_empty_side_rhs ... ok
[INFO] [stdout] test production::tests::predicate_lhs_equals ... ok
[INFO] [stdout] test production::tests::production_display ... ok
[INFO] [stdout] test production::tests::new_empty_side_lhs ... ok
[INFO] [stdout] test automaton::tests::transitions_error - should panic ... ok
[INFO] [stdout] test production::tests::predicate_rhs_length_equals ... ok
[INFO] [stdout] test production::tests::from_string_error ... ok
[INFO] [stdout] test production::tests::new ... ok
[INFO] [stdout] test grammar::tests::productives ... ok
[INFO] [stdout] test production::tests::production ... ok
[INFO] [stdout] test grammar::tests::s ... ok
[INFO] [stdout] test grammar::tests::t ... ok
[INFO] [stdout] test production::tests::new_from_string_error_lhs ... ok
[INFO] [stdout] test production::tests::from_iter ... ok
[INFO] [stdout] test production::tests::predicate_rhs_is_suffix_of ... ok
[INFO] [stdout] test grammar::tests::reachable ... ok
[INFO] [stdout] test production::tests::production_error_display_no_lhs ... ok
[INFO] [stdout] test production::tests::new_from_string ... ok
[INFO] [stdout] test production::tests::predicate_rhs_equals ... ok
[INFO] [stdout] test symbol::tests::symbol ... ok
[INFO] [stdout] test production::tests::production_error_source ... ok
[INFO] [stdout] test symbol::tests::is_terminal ... ok
[INFO] [stdout] test production::tests::production_predicate_display_lhs_equals ... ok
[INFO] [stderr]      Running tests/version-number.rs (/opt/rustwide/target/debug/deps/version_number-4687dbb95fd43885)
[INFO] [stdout] test symbol::tests::new_empty_symbol ... ok
[INFO] [stdout] test symbol::tests::symbol_try_from ... ok
[INFO] [stdout] test production::tests::production_predicate_display_rhs_is_suffix_of ... ok
[INFO] [stdout] test production::tests::production_try_from_multiple ... ok
[INFO] [stdout] test production::tests::production_table ... ok
[INFO] [stdout] test production::tests::productions ... ok
[INFO] [stdout] test symbol::tests::new ... ok
[INFO] [stdout] test symbol::tests::symbol_error_display_empty_symbol ... ok
[INFO] [stdout] test symbol::tests::symbol_display ... ok
[INFO] [stdout] test production::tests::such_that ... ok
[INFO] [stdout] test production::tests::production_try_from ... ok
[INFO] [stdout] test symbol::tests::is_valid_symbol ... ok
[INFO] [stdout] test symbol::tests::is_valid_char ... ok
[INFO] [stdout] test symbol::tests::from_string ... ok
[INFO] [stdout] test production::tests::production_error_source_none ... ok
[INFO] [stdout] test symbol::tests::to_string ... ok
[INFO] [stdout] test symbol::tests::into_iter ... ok
[INFO] [stdout] test symbol::tests::symbols ... ok
[INFO] [stdout] test symbol::tests::as_str ... ok
[INFO] [stdout] test production::tests::production_try_from_error ... ok
[INFO] [stdout] test symbol::tests::symbol_error_display_invalid_symbol ... ok
[INFO] [stdout] test production::tests::production_predicate_display_rhs_length_equals ... ok
[INFO] [stdout] test symbol::tests::new_invalid_char ... ok
[INFO] [stdout] test symbol::tests::symbol_try_from_invalid ... ok
[INFO] [stdout] test production::tests::production_predicate_display_rhs_equals ... ok
[INFO] [stdout] test symbol::tests::epsilon ... ok
[INFO] [stdout] test symbol::tests::is_non_terminal ... ok
[INFO] [stdout] test symbol::tests::symbol_is_epsilon ... ok
[INFO] [stdout] test symbol::tests::symbol_try_from_empty ... ok
[INFO] [stdout] test production::tests::production_try_from_no_productions ... ok
[INFO] [stdout] test symbol::tests::sentential_form ... ok
[INFO] [stdout] test tokenizer::tests::tokenizer_error_display_production_multiple ... ok
[INFO] [stdout] test tokenizer::tests::transitions_from_string_no_to ... ok
[INFO] [stdout] test tokenizer::tests::productions_from_string_multiple_one_line ... ok
[INFO] [stdout] test tokenizer::tests::transitions_from_string ... ok
[INFO] [stdout] test tokenizer::tests::symbols_from_string ... ok
[INFO] [stdout] test tokenizer::tests::tokenizer_error_display_transition_multiple_one_line ... ok
[INFO] [stdout] test tokenizer::tests::transitions_from_string_no_to_no_label ... ok
[INFO] [stdout] test tokenizer::tests::tokenizer_error_display_production_no_rhs ... ok
[INFO] [stdout] test tokenizer::tests::tokenizer_error_display_transition_no_to ... ok
[INFO] [stdout] test tokenizer::tests::tokenizer_error_display_production_no_separator ... ok
[INFO] [stdout] test tokenizer::tests::productions_from_string_no_production_sep ... ok
[INFO] [stdout] test tokenizer::tests::productions_from_string_no_rhs ... ok
[INFO] [stdout] test tokenizer::tests::symbols_from_string_empty ... ok
[INFO] [stdout] test tokenizer::tests::tokenizer_error_display_transition_no_label ... ok
[INFO] [stdout] test tokenizer::tests::tokenizer_error_display_transition_no_separator ... ok
[INFO] [stdout] test tokenizer::tests::transitions_from_string_multiple_one_line ... ok
[INFO] [stdout] test tokenizer::tests::transitions_from_string_no_label ... ok
[INFO] [stdout] test tokenizer::tests::tokenizer_error_display_production_multiple_one_line ... ok
[INFO] [stdout] test tokenizer::tests::tokenizer_error_display_production_no_lhs ... ok
[INFO] [stdout] test tokenizer::tests::productions_from_string_no_lhs_sep ... ok
[INFO] [stdout] test tokenizer::tests::productions_from_string_no_lhs ... ok
[INFO] [stdout] test tokenizer::tests::productions_from_string_no_rhs_or ... ok
[INFO] [stdout] test tokenizer::tests::productions_from_string ... ok
[INFO] [stdout] test tokenizer::tests::symbols_from_string_no_symbols ... ok
[INFO] [stdout] test tokenizer::tests::tokenizer_error_display_production_empty ... ok
[INFO] [stdout] test tokenizer::tests::tokenizer_error_display_transition_multiple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 189 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests liblet
[INFO] [stdout] test test_readme_deps ... ok
[INFO] [stdout] test test_html_root_url ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 75 tests
[INFO] [stdout] test src/derivation.rs - derivation::Derivation::steps (line 192) ... ok
[INFO] [stdout] test src/automaton.rs - automaton::Automaton<Symbol>::from_string (line 773) ... ok
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name liblet --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern liblet=/opt/rustwide/target/debug/deps/libliblet-1e77fcd44043a538.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-42a7b0072be54016.rlib --extern version_sync=/opt/rustwide/target/debug/deps/libversion_sync-b2fc02859c13e9bf.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "91db928cf56110875c13f51382f2144b930922f87c8e9a24d986af4d538f63a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91db928cf56110875c13f51382f2144b930922f87c8e9a24d986af4d538f63a3", kill_on_drop: false }`
[INFO] [stdout] 91db928cf56110875c13f51382f2144b930922f87c8e9a24d986af4d538f63a3