[INFO] fetching crate bnf 0.3.4...
[INFO] testing bnf-0.3.4 against 1.59.0 for beta-1.60-1
[INFO] extracting crate bnf 0.3.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate bnf 0.3.4 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bnf 0.3.4
[INFO] finished tweaking crates.io crate bnf 0.3.4
[INFO] tweaked toml for crates.io crate bnf 0.3.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stacker v0.1.14
[INFO] [stderr]   Downloaded psm v0.1.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 105e1f0ef057b90299043666ee79ed0471332b0473bd2351736fe4c993b3359f
[INFO] running `Command { std: "docker" "start" "-a" "105e1f0ef057b90299043666ee79ed0471332b0473bd2351736fe4c993b3359f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "105e1f0ef057b90299043666ee79ed0471332b0473bd2351736fe4c993b3359f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "105e1f0ef057b90299043666ee79ed0471332b0473bd2351736fe4c993b3359f", kill_on_drop: false }`
[INFO] [stdout] 105e1f0ef057b90299043666ee79ed0471332b0473bd2351736fe4c993b3359f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73096dba0934b76dae59a380f9d9bf4ceb1a4699f9bbae5cd30cf2b766b4b5fb
[INFO] running `Command { std: "docker" "start" "-a" "73096dba0934b76dae59a380f9d9bf4ceb1a4699f9bbae5cd30cf2b766b4b5fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling psm v0.1.17
[INFO] [stderr]    Compiling stacker v0.1.14
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling bnf v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.02s
[INFO] running `Command { std: "docker" "inspect" "73096dba0934b76dae59a380f9d9bf4ceb1a4699f9bbae5cd30cf2b766b4b5fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73096dba0934b76dae59a380f9d9bf4ceb1a4699f9bbae5cd30cf2b766b4b5fb", kill_on_drop: false }`
[INFO] [stdout] 73096dba0934b76dae59a380f9d9bf4ceb1a4699f9bbae5cd30cf2b766b4b5fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 663d180f720dc7b9e8b58f17e2dd9a50687ed804aec1f4e32e25c1cc1e182f8f
[INFO] running `Command { std: "docker" "start" "-a" "663d180f720dc7b9e8b58f17e2dd9a50687ed804aec1f4e32e25c1cc1e182f8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling bnf v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.47s
[INFO] running `Command { std: "docker" "inspect" "663d180f720dc7b9e8b58f17e2dd9a50687ed804aec1f4e32e25c1cc1e182f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "663d180f720dc7b9e8b58f17e2dd9a50687ed804aec1f4e32e25c1cc1e182f8f", kill_on_drop: false }`
[INFO] [stdout] 663d180f720dc7b9e8b58f17e2dd9a50687ed804aec1f4e32e25c1cc1e182f8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] be5e152ec3b26c0322b46b11b75f89ed9e87464e79ef9da04c04f9c5790d8a6e
[INFO] running `Command { std: "docker" "start" "-a" "be5e152ec3b26c0322b46b11b75f89ed9e87464e79ef9da04c04f9c5790d8a6e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bnf-2eb65d22d8e73c4d)
[INFO] [stdout] 
[INFO] [stdout] running 49 tests
[INFO] [stdout] test error::tests::gets_error_error ... ok
[INFO] [stdout] test error::tests::gets_error_on_incomplete ... ok
[INFO] [stdout] test error::tests::uses_error_recursion_limit ... ok
[INFO] [stdout] test error::tests::test_error_display ... ok
[INFO] [stdout] test error::tests::uses_error_generate ... ok
[INFO] [stdout] test expression::tests::new_expressions ... ok
[INFO] [stdout] test expression::tests::add_term ... ok
[INFO] [stdout] test expression::tests::parse_complete ... ok
[INFO] [stdout] test expression::tests::parse_incomplete ... ok
[INFO] [stdout] test expression::tests::parse_error ... ok
[INFO] [stdout] test expression::tests::remove_nonexistent_term ... ok
[INFO] [stdout] test expression::tests::remove_term ... ok
[INFO] [stdout] test grammar::tests::add_production ... ok
[INFO] [stdout] test grammar::tests::lhs_is_terminal_parse ... ok
[INFO] [stdout] test grammar::tests::lhs_is_terminal_generate ... ok
[INFO] [stdout] test grammar::tests::new_grammars ... ok
[INFO] [stdout] test grammar::tests::lhs_not_found ... ok
[INFO] [stdout] test grammar::tests::no_productions ... ok
[INFO] [stdout] test grammar::tests::no_expressions ... ok
[INFO] [stdout] test grammar::tests::parse_error ... ok
[INFO] [stdout] test grammar::tests::parse_error_on_incomplete ... ok
[INFO] [stdout] test grammar::tests::remove_nonexistent_production ... ok
[INFO] [stdout] test grammar::tests::remove_production ... ok
[INFO] [stdout] test parsers::tests::expression_match ... ok
[INFO] [stdout] test parsers::tests::production_match ... ok
[INFO] [stdout] test parsers::tests::grammar_match ... ok
[INFO] [stdout] test production::tests::new_productions ... ok
[INFO] [stdout] test parsers::tests::terminal_match ... ok
[INFO] [stdout] test production::tests::parse_complete ... ok
[INFO] [stdout] test parsers::tests::nonterminal_match ... ok
[INFO] [stdout] test production::tests::parse_incomplete ... ok
[INFO] [stdout] test production::tests::parse_error ... ok
[INFO] [stdout] test production::tests::parse_semicolon_separated ... ok
[INFO] [stdout] test production::tests::remove_from_rhs ... ok
[INFO] [stdout] test production::tests::remove_nonexistent_from_rhs ... ok
[INFO] [stdout] test term::tests::parse_complete ... ok
[INFO] [stdout] test term::tests::parse_error ... ok
[INFO] [stdout] test grammar::tests::recursion_limit ... ok
[INFO] [stdout] test term::tests::parse_error_display ... ok
[INFO] [stdout] test term::tests::parse_incomplete ... ok
[INFO] [stdout] test term::tests::parse_single_quote_term ... ok
[INFO] [stdout] test term::tests::parse_quote_term ... ok
[INFO] [stdout] test term::tests::parse_whitespace_nonterm ... ok
[INFO] [stdout] test term::tests::parse_whitespace_term ... ok
[INFO] [stdout] test term::tests::quote_term_to_string_and_back ... ok
[INFO] [stdout] test term::tests::to_string_and_back ... ok
[INFO] [stdout] test expression::tests::to_string_and_back ... ok
[INFO] [stdout] test grammar::tests::to_string_and_back ... ok
[INFO] [stderr]      Running tests/display.rs (/opt/rustwide/target/debug/deps/display-f62353cf576293a9)
[INFO] [stdout] test production::tests::to_string_and_back ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 49 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.81s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test grammar_with_quotes ... ok
[INFO] [stdout] test validate_nonterminated_display ... ok
[INFO] [stdout] test validate_terminated_display ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/from_str.rs (/opt/rustwide/target/debug/deps/from_str-e9430aab253ff1d2)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test custom_trait::nonterminal_from_str ... ok
[INFO] [stdout] test custom_trait::grammar_from_str ... ok
[INFO] [stdout] test custom_trait::terminal_from_str ... ok
[INFO] [stdout] test custom_trait::production_from_str ... ok
[INFO] [stdout] test std_trait::expression_from_str ... ok
[INFO] [stdout] test std_trait::nonterminal_from_str ... ok
[INFO] [stdout] test std_trait::production_from_str ... ok
[INFO] [stdout] test std_trait::grammar_from_str ... ok
[INFO] [stdout] test std_trait::terminal_from_str ... ok
[INFO] [stdout] test custom_trait::expression_from_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/grammar.rs (/opt/rustwide/target/debug/deps/grammar-03a2121536341d2a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/iterate.rs (/opt/rustwide/target/debug/deps/iterate-be7ef6cb7f1acfa6)
[INFO] [stdout] test test_generated_grammars ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.70s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bnf
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test iterate_grammar ... ok
[INFO] [stdout] test mutably_iterate_grammar ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/grammar.rs - grammar::Grammar::generate (line 199) ... ok
[INFO] [stdout] test src/lib.rs - (line 148) ... ok
[INFO] [stdout] test src/expression.rs - expression::Expression::remove_term (line 37) ... ok
[INFO] [stdout] test src/lib.rs - (line 118) ... ok
[INFO] [stdout] test src/grammar.rs - grammar::Grammar::generate_seeded (line 132) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.75s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "be5e152ec3b26c0322b46b11b75f89ed9e87464e79ef9da04c04f9c5790d8a6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be5e152ec3b26c0322b46b11b75f89ed9e87464e79ef9da04c04f9c5790d8a6e", kill_on_drop: false }`
[INFO] [stdout] be5e152ec3b26c0322b46b11b75f89ed9e87464e79ef9da04c04f9c5790d8a6e