[INFO] fetching crate artlr_syntax 0.3.0...
[INFO] testing artlr_syntax-0.3.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate artlr_syntax 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate artlr_syntax 0.3.0 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 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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" "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] d61a65edea831c4e26c2eccb127b0fbdb9d1743f07eea295905595d4ed909a20
[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" "d61a65edea831c4e26c2eccb127b0fbdb9d1743f07eea295905595d4ed909a20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d61a65edea831c4e26c2eccb127b0fbdb9d1743f07eea295905595d4ed909a20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d61a65edea831c4e26c2eccb127b0fbdb9d1743f07eea295905595d4ed909a20", kill_on_drop: false }`
[INFO] [stdout] d61a65edea831c4e26c2eccb127b0fbdb9d1743f07eea295905595d4ed909a20
[INFO] running `Command { std: "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" "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] cf0baad9b8f843a585034a06b26d892d4683a98642f04b00e141ec1777ea15a6
[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" "cf0baad9b8f843a585034a06b26d892d4683a98642f04b00e141ec1777ea15a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling artlr_syntax v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "cf0baad9b8f843a585034a06b26d892d4683a98642f04b00e141ec1777ea15a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf0baad9b8f843a585034a06b26d892d4683a98642f04b00e141ec1777ea15a6", kill_on_drop: false }`
[INFO] [stdout] cf0baad9b8f843a585034a06b26d892d4683a98642f04b00e141ec1777ea15a6
[INFO] running `Command { std: "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" "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] 9f6a127140d8536a46e608a75cf4ebd1f5d151d3c2a4f31562f070ee278d38ec
[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" "9f6a127140d8536a46e608a75cf4ebd1f5d151d3c2a4f31562f070ee278d38ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling artlr_syntax v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.38s
[INFO] running `Command { std: "docker" "inspect" "9f6a127140d8536a46e608a75cf4ebd1f5d151d3c2a4f31562f070ee278d38ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f6a127140d8536a46e608a75cf4ebd1f5d151d3c2a4f31562f070ee278d38ec", kill_on_drop: false }`
[INFO] [stdout] 9f6a127140d8536a46e608a75cf4ebd1f5d151d3c2a4f31562f070ee278d38ec
[INFO] running `Command { std: "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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e03bb0dfff05400eadf93c016da8547e97766c49dbcba434f98036137aa7f4ff
[INFO] running `Command { std: "docker" "start" "-a" "e03bb0dfff05400eadf93c016da8547e97766c49dbcba434f98036137aa7f4ff", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/artlr_syntax-cd473816c123fc33)
[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_follow_symbols_non_terminal_last_epsilon_chain ... 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_first_epsilon_symbols_non_terminal_epsilon ... 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_follow_symbols ... 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_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 parser::recursive_descent_parser_spec::test::parse_from_tokens::it_fails_on_unexpected_symbol_when_a_production_is_found ... 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_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_first_symbols ... 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_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_parses_with_production_backtracking ... 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_parses_with_first_first_conflict ... 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_first_symbols_terminal ... 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_first_symbols_productions ... 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 parser::recursive_descent_parser_transitions_spec::test::from_grammar::it_adds_follow_symbols_productions ... 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_input_is_epsilon - 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] [stderr]    Doc-tests artlr_syntax
[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] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[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" "e03bb0dfff05400eadf93c016da8547e97766c49dbcba434f98036137aa7f4ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e03bb0dfff05400eadf93c016da8547e97766c49dbcba434f98036137aa7f4ff", kill_on_drop: false }`
[INFO] [stdout] e03bb0dfff05400eadf93c016da8547e97766c49dbcba434f98036137aa7f4ff