[INFO] fetching crate bnf 0.3.3...
[INFO] testing bnf-0.3.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate bnf 0.3.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate bnf 0.3.3 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bnf 0.3.3
[INFO] finished tweaking crates.io crate bnf 0.3.3
[INFO] tweaked toml for crates.io crate bnf 0.3.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded funty v1.1.0
[INFO] [stderr]   Downloaded psm v0.1.12
[INFO] [stderr]   Downloaded stacker v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 718bd4161588805b9b0927c5b7cb192ad6f633273744ae0ea1715f682b5a6fbf
[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" "718bd4161588805b9b0927c5b7cb192ad6f633273744ae0ea1715f682b5a6fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "718bd4161588805b9b0927c5b7cb192ad6f633273744ae0ea1715f682b5a6fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "718bd4161588805b9b0927c5b7cb192ad6f633273744ae0ea1715f682b5a6fbf", kill_on_drop: false }`
[INFO] [stdout] 718bd4161588805b9b0927c5b7cb192ad6f633273744ae0ea1715f682b5a6fbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a9e6b249dbf7aafcdc89bbd5c699d21e38034948e5ca02c923bab600cff5db7
[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" "2a9e6b249dbf7aafcdc89bbd5c699d21e38034948e5ca02c923bab600cff5db7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling tap v1.0.0
[INFO] [stderr]    Compiling psm v0.1.12
[INFO] [stderr]    Compiling stacker v0.1.12
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling bitvec v0.19.4
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling bnf v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.00s
[INFO] running `Command { std: "docker" "inspect" "2a9e6b249dbf7aafcdc89bbd5c699d21e38034948e5ca02c923bab600cff5db7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a9e6b249dbf7aafcdc89bbd5c699d21e38034948e5ca02c923bab600cff5db7", kill_on_drop: false }`
[INFO] [stdout] 2a9e6b249dbf7aafcdc89bbd5c699d21e38034948e5ca02c923bab600cff5db7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3be3bfbbb2047d0f927a7c37a5604b6a33c8500fc6b26d1d1cac56b6bb9af9f
[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" "d3be3bfbbb2047d0f927a7c37a5604b6a33c8500fc6b26d1d1cac56b6bb9af9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling bnf v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.82s
[INFO] running `Command { std: "docker" "inspect" "d3be3bfbbb2047d0f927a7c37a5604b6a33c8500fc6b26d1d1cac56b6bb9af9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3be3bfbbb2047d0f927a7c37a5604b6a33c8500fc6b26d1d1cac56b6bb9af9f", kill_on_drop: false }`
[INFO] [stdout] d3be3bfbbb2047d0f927a7c37a5604b6a33c8500fc6b26d1d1cac56b6bb9af9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 5e7485fd333a71d7d4385d59c88c3ba802b2111fe54c8e434e894de8fbaf870a
[INFO] running `Command { std: "docker" "start" "-a" "5e7485fd333a71d7d4385d59c88c3ba802b2111fe54c8e434e894de8fbaf870a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bnf-5c6b54ace239a9e0
[INFO] [stdout] 
[INFO] [stdout] running 49 tests
[INFO] [stdout] test error::tests::gets_error_error ... ok
[INFO] [stdout] test error::tests::uses_error_generate ... ok
[INFO] [stdout] test expression::tests::new_expressions ... 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::lhs_is_terminal_parse ... ok
[INFO] [stdout] test expression::tests::add_term ... ok
[INFO] [stdout] test grammar::tests::parse_error_on_incomplete ... ok
[INFO] [stdout] test grammar::tests::lhs_is_terminal_generate ... ok
[INFO] [stdout] test grammar::tests::new_grammars ... ok
[INFO] [stdout] test grammar::tests::add_production ... ok
[INFO] [stdout] test grammar::tests::lhs_not_found ... ok
[INFO] [stdout] test grammar::tests::parse_error ... ok
[INFO] [stdout] test grammar::tests::no_expressions ... ok
[INFO] [stdout] test grammar::tests::no_productions ... ok
[INFO] [stdout] test error::tests::uses_error_recursion_limit ... ok
[INFO] [stdout] test error::tests::gets_error_on_incomplete ... ok
[INFO] [stdout] test grammar::tests::remove_nonexistent_production ... ok
[INFO] [stdout] test grammar::tests::remove_production ... ok
[INFO] [stdout] test production::tests::parse_semicolon_separated ... ok
[INFO] [stdout] test production::tests::new_productions ... ok
[INFO] [stdout] test parsers::tests::nonterminal_match ... ok
[INFO] [stdout] test parsers::tests::expression_match ... ok
[INFO] [stdout] test error::tests::test_error_display ... ok
[INFO] [stdout] test production::tests::remove_nonexistent_from_rhs ... ok
[INFO] [stdout] test production::tests::remove_from_rhs ... ok
[INFO] [stdout] test production::tests::parse_error ... ok
[INFO] [stdout] test production::tests::parse_complete ... ok
[INFO] [stdout] test parsers::tests::production_match ... ok
[INFO] [stdout] test parsers::tests::grammar_match ... ok
[INFO] [stdout] test parsers::tests::terminal_match ... ok
[INFO] [stdout] test production::tests::parse_incomplete ... ok
[INFO] [stdout] test term::tests::parse_incomplete ... ok
[INFO] [stdout] test term::tests::parse_quote_term ... ok
[INFO] [stdout] test term::tests::parse_complete ... ok
[INFO] [stdout] test term::tests::parse_single_quote_term ... ok
[INFO] [stdout] test term::tests::parse_error_display ... 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::parse_error ... ok
[INFO] [stdout] test term::tests::parse_whitespace_nonterm ... ok
[INFO] [stdout] test grammar::tests::recursion_limit ... 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] [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 18.84s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/display-afd5128425acdbeb
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test grammar_with_quotes ... ok
[INFO] [stdout] test validate_terminated_display ... ok
[INFO] [stdout] test validate_nonterminated_display ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/from_str-2e750425a1407738
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test custom_trait::expression_from_str ... ok
[INFO] [stdout] test custom_trait::grammar_from_str ... ok
[INFO] [stdout] test custom_trait::nonterminal_from_str ... ok
[INFO] [stdout] test std_trait::production_from_str ... ok
[INFO] [stdout] test std_trait::nonterminal_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] [stderr]      Running /opt/rustwide/target/debug/deps/grammar-85c99a6f7ea9ec76
[INFO] [stdout] test std_trait::terminal_from_str ... ok
[INFO] [stdout] test std_trait::grammar_from_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_generated_grammars ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/iterate-a9bfe96022d84463
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.45s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test mutably_iterate_grammar ... ok
[INFO] [stdout] test iterate_grammar ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bnf
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[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 118) ... ok
[INFO] [stdout] test src/lib.rs - (line 148) ... ok
[INFO] [stdout] test src/grammar.rs - grammar::Grammar::generate (line 169) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.12s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5e7485fd333a71d7d4385d59c88c3ba802b2111fe54c8e434e894de8fbaf870a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e7485fd333a71d7d4385d59c88c3ba802b2111fe54c8e434e894de8fbaf870a", kill_on_drop: false }`
[INFO] [stdout] 5e7485fd333a71d7d4385d59c88c3ba802b2111fe54c8e434e894de8fbaf870a