[INFO] fetching crate artlr_syntax 0.3.0...
[INFO] testing artlr_syntax-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate artlr_syntax 0.3.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate artlr_syntax 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate artlr_syntax 0.3.0
[INFO] finished tweaking crates.io crate artlr_syntax 0.3.0
[INFO] tweaked toml for crates.io crate artlr_syntax 0.3.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 345af684940ea28b229049c8f139c046ed05e4e0753731e0a100a458da68784f
[INFO] running `Command { std: "docker" "start" "-a" "345af684940ea28b229049c8f139c046ed05e4e0753731e0a100a458da68784f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "345af684940ea28b229049c8f139c046ed05e4e0753731e0a100a458da68784f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "345af684940ea28b229049c8f139c046ed05e4e0753731e0a100a458da68784f", kill_on_drop: false }`
[INFO] [stdout] 345af684940ea28b229049c8f139c046ed05e4e0753731e0a100a458da68784f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a77b6a035d8a1e0113f25770b1c86260ab3ed2f08aa69f3723420915183714c
[INFO] running `Command { std: "docker" "start" "-a" "2a77b6a035d8a1e0113f25770b1c86260ab3ed2f08aa69f3723420915183714c", kill_on_drop: false }`
[INFO] [stderr]    Compiling artlr_syntax v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "2a77b6a035d8a1e0113f25770b1c86260ab3ed2f08aa69f3723420915183714c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a77b6a035d8a1e0113f25770b1c86260ab3ed2f08aa69f3723420915183714c", kill_on_drop: false }`
[INFO] [stdout] 2a77b6a035d8a1e0113f25770b1c86260ab3ed2f08aa69f3723420915183714c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb61e747c50c9a3d764c7c40a53cdaf7571866613e700844aef06d5ceef94b96
[INFO] running `Command { std: "docker" "start" "-a" "fb61e747c50c9a3d764c7c40a53cdaf7571866613e700844aef06d5ceef94b96", kill_on_drop: false }`
[INFO] [stderr]    Compiling artlr_syntax v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.48s
[INFO] running `Command { std: "docker" "inspect" "fb61e747c50c9a3d764c7c40a53cdaf7571866613e700844aef06d5ceef94b96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb61e747c50c9a3d764c7c40a53cdaf7571866613e700844aef06d5ceef94b96", kill_on_drop: false }`
[INFO] [stdout] fb61e747c50c9a3d764c7c40a53cdaf7571866613e700844aef06d5ceef94b96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e3171545dae6b4c56907ddbbdb48211b9e1fec8d705fdb71d03592d2dec054e7
[INFO] running `Command { std: "docker" "start" "-a" "e3171545dae6b4c56907ddbbdb48211b9e1fec8d705fdb71d03592d2dec054e7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/artlr_syntax-776734d38dd14ca8)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test grammar::context_free_grammar_spec::test::new::it_creates_a_new_instance ... ok
[INFO] [stdout] test grammar::first_follow_symbols_spec::test::get_first_follow_symbols::it_returns_first_epsilon_symbols_non_terminal_epsilon ... ok
[INFO] [stdout] test grammar::first_follow_symbols_spec::test::get_first_follow_symbols::it_returns_first_symbols ... ok
[INFO] [stdout] test grammar::first_follow_symbols_spec::test::get_first_follow_symbols::it_returns_first_symbols_non_terminal ... ok
[INFO] [stdout] test grammar::first_follow_symbols_spec::test::get_first_follow_symbols::it_returns_first_symbols_terminal ... ok
[INFO] [stdout] test grammar::first_follow_symbols_spec::test::get_first_follow_symbols::it_returns_follow_symbols_non_terminal ... ok
[INFO] [stdout] test grammar::first_follow_symbols_spec::test::get_first_follow_symbols::it_returns_first_symbols_non_terminal_epsilon ... ok
[INFO] [stdout] test grammar::first_follow_symbols_spec::test::get_first_follow_symbols::it_returns_follow_symbols_non_terminal_epsilon_chain ... ok
[INFO] [stdout] test grammar::first_follow_symbols_spec::test::get_first_follow_symbols::it_returns_no_additional_first_symbols_on_infinite_recursion ... ok
[INFO] [stdout] test grammar::first_follow_symbols_spec::test::get_first_follow_symbols::it_returns_next_symbol_first_symbols_on_infinite_recursion_if_first_symbol_contains_epsilon ... ok
[INFO] [stdout] test grammar::first_follow_symbols_spec::test::get_first_follow_symbols::it_returns_follow_symbols_non_terminal_last ... ok
[INFO] [stdout] test grammar::first_follow_symbols_spec::test::get_first_follow_symbols::it_returns_follow_symbols_non_terminal_last_epsilon_chain ... ok
[INFO] [stdout] test parser::recursive_descent_parser_spec::test::parse_from_tokens::it_fails_on_unexpected_symbol_when_multiple_productions_are_found ... ok
[INFO] [stdout] test parser::recursive_descent_parser_spec::test::parse_from_tokens::it_fails_on_unexpected_symbol_when_no_production_is_found ... ok
[INFO] [stdout] test parser::recursive_descent_parser_spec::test::parse_from_tokens::it_fails_on_unexpected_symbol_when_a_production_is_found_with_parsed_symbols_ordered ... ok
[INFO] [stdout] test parser::recursive_descent_parser_spec::test::parse_from_tokens::it_fails_on_unexpected_symbol_when_a_production_is_found ... ok
[INFO] [stdout] test parser::recursive_descent_parser_spec::test::parse_from_tokens::it_parses_epsilon_production ... ok
[INFO] [stdout] test parser::recursive_descent_parser_spec::test::parse_from_tokens::it_parses_terminal_production ... ok
[INFO] [stdout] test grammar::first_follow_symbols_spec::test::get_first_follow_symbols::it_returns_follow_symbols ... ok
[INFO] [stdout] test parser::recursive_descent_parser_transitions_spec::test::from_grammar::it_adds_first_symbols_productions ... ok
[INFO] [stdout] test parser::recursive_descent_parser_spec::test::parse_from_tokens::it_parses_with_first_first_conflict ... ok
[INFO] [stdout] test parser::recursive_descent_parser_transitions_spec::test::from_grammar::it_adds_once_on_first_follow_conflict ... ok
[INFO] [stdout] test parser::recursive_descent_parser_transitions_spec::test::from_grammar::it_adds_follow_symbols_productions ... ok
[INFO] [stdout] test parser::recursive_descent_parser_spec::test::parse_from_tokens::it_parses_with_production_backtracking ... ok
[INFO] [stdout] test parser::recursive_descent_parser_transitions_spec::test::from_grammar::it_adds_on_non_terminal_symbol_with_first_set_is_epsilon ... ok
[INFO] [stdout] test grammar::context_free_grammar_spec::test::new::it_panics_if_production_input_is_epsilon - should panic ... ok
[INFO] [stdout] test grammar::context_free_grammar_spec::test::new::it_panics_if_production_output_has_no_symbols - should panic ... ok
[INFO] [stdout] test grammar::context_free_grammar_spec::test::new::it_panics_if_production_output_has_epsilon_and_any_other_symbol - should panic ... ok
[INFO] [stdout] test parser::recursive_descent_parser_spec::test::parse_from_tokens::it_does_not_parse_empty_input - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests artlr_syntax
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e3171545dae6b4c56907ddbbdb48211b9e1fec8d705fdb71d03592d2dec054e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3171545dae6b4c56907ddbbdb48211b9e1fec8d705fdb71d03592d2dec054e7", kill_on_drop: false }`
[INFO] [stdout] e3171545dae6b4c56907ddbbdb48211b9e1fec8d705fdb71d03592d2dec054e7