[INFO] fetching crate bnf 0.3.3...
[INFO] testing bnf-0.3.3 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate bnf 0.3.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate bnf 0.3.3 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d28b77d5f22c19c46ad42601552e4b838ea15a7abf0c5f2ba4d7839d553416c
[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" "1d28b77d5f22c19c46ad42601552e4b838ea15a7abf0c5f2ba4d7839d553416c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d28b77d5f22c19c46ad42601552e4b838ea15a7abf0c5f2ba4d7839d553416c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d28b77d5f22c19c46ad42601552e4b838ea15a7abf0c5f2ba4d7839d553416c", kill_on_drop: false }`
[INFO] [stdout] 1d28b77d5f22c19c46ad42601552e4b838ea15a7abf0c5f2ba4d7839d553416c
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1c51eaa1cb24f23906cbc78c4a4cbc3fef1dd87c9132e1cbf71b5d0498bfb11
[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" "f1c51eaa1cb24f23906cbc78c4a4cbc3fef1dd87c9132e1cbf71b5d0498bfb11", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling psm v0.1.16
[INFO] [stderr]    Compiling stacker v0.1.14
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling bnf v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.75s
[INFO] running `Command { std: "docker" "inspect" "f1c51eaa1cb24f23906cbc78c4a4cbc3fef1dd87c9132e1cbf71b5d0498bfb11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1c51eaa1cb24f23906cbc78c4a4cbc3fef1dd87c9132e1cbf71b5d0498bfb11", kill_on_drop: false }`
[INFO] [stdout] f1c51eaa1cb24f23906cbc78c4a4cbc3fef1dd87c9132e1cbf71b5d0498bfb11
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", 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] 7b7d10f1483da706fa6f342da6fec77e91a8302530504c4a8ea71c8de3f0a27b
[INFO] running `Command { std: "docker" "start" "-a" "7b7d10f1483da706fa6f342da6fec77e91a8302530504c4a8ea71c8de3f0a27b", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.4.6
[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 17.84s
[INFO] running `Command { std: "docker" "inspect" "7b7d10f1483da706fa6f342da6fec77e91a8302530504c4a8ea71c8de3f0a27b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b7d10f1483da706fa6f342da6fec77e91a8302530504c4a8ea71c8de3f0a27b", kill_on_drop: false }`
[INFO] [stdout] 7b7d10f1483da706fa6f342da6fec77e91a8302530504c4a8ea71c8de3f0a27b
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 70f26c4a021ed2216ad46cfa520564b96b8d4d443c309860dbb6213ef3a2823c
[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" "70f26c4a021ed2216ad46cfa520564b96b8d4d443c309860dbb6213ef3a2823c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bnf-2f352ea4500b49d2)
[INFO] [stdout] 
[INFO] [stdout] running 49 tests
[INFO] [stdout] test expression::tests::add_term ... ok
[INFO] [stdout] test expression::tests::new_expressions ... ok
[INFO] [stdout] test expression::tests::parse_incomplete ... ok
[INFO] [stdout] test expression::tests::remove_nonexistent_term ... ok
[INFO] [stdout] test grammar::tests::no_expressions ... 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::parse_error ... ok
[INFO] [stdout] test grammar::tests::parse_error_on_incomplete ... ok
[INFO] [stdout] test grammar::tests::remove_production ... ok
[INFO] [stdout] test error::tests::test_error_display ... ok
[INFO] [stdout] test expression::tests::parse_complete ... ok
[INFO] [stdout] test expression::tests::remove_term ... ok
[INFO] [stdout] test error::tests::gets_error_error ... 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 parsers::tests::nonterminal_match ... ok
[INFO] [stdout] test parsers::tests::production_match ... ok
[INFO] [stdout] test parsers::tests::terminal_match ... ok
[INFO] [stdout] test parsers::tests::grammar_match ... ok
[INFO] [stdout] test production::tests::parse_error ... ok
[INFO] [stdout] test error::tests::uses_error_recursion_limit ... ok
[INFO] [stdout] test production::tests::new_productions ... ok
[INFO] [stdout] test production::tests::parse_semicolon_separated ... ok
[INFO] [stdout] test production::tests::parse_incomplete ... ok
[INFO] [stdout] test production::tests::parse_complete ... ok
[INFO] [stdout] test production::tests::remove_nonexistent_from_rhs ... ok
[INFO] [stdout] test parsers::tests::expression_match ... ok
[INFO] [stdout] test error::tests::gets_error_on_incomplete ... ok
[INFO] [stdout] test error::tests::uses_error_generate ... ok
[INFO] [stdout] test term::tests::parse_incomplete ... ok
[INFO] [stdout] test term::tests::parse_quote_term ... ok
[INFO] [stdout] test grammar::tests::remove_nonexistent_production ... ok
[INFO] [stdout] test production::tests::remove_from_rhs ... ok
[INFO] [stdout] test term::tests::parse_error_display ... ok
[INFO] [stdout] test term::tests::parse_complete ... 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_whitespace_nonterm ... ok
[INFO] [stdout] test term::tests::parse_error ... ok
[INFO] [stdout] test expression::tests::parse_error ... ok
[INFO] [stdout] test term::tests::parse_single_quote_term ... 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] [stderr]      Running tests/display.rs (/opt/rustwide/target/debug/deps/display-a018df5d2e9ff7fe)
[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 18.49s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/from_str.rs (/opt/rustwide/target/debug/deps/from_str-b3e6c839c1809517)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test validate_terminated_display ... ok
[INFO] [stdout] test validate_nonterminated_display ... ok
[INFO] [stdout] test grammar_with_quotes ... 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] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test std_trait::expression_from_str ... ok
[INFO] [stdout] test custom_trait::terminal_from_str ... ok
[INFO] [stdout] test std_trait::terminal_from_str ... ok
[INFO] [stdout] test custom_trait::expression_from_str ... ok
[INFO] [stdout] test custom_trait::production_from_str ... ok
[INFO] [stdout] test std_trait::grammar_from_str ... ok
[INFO] [stdout] test std_trait::nonterminal_from_str ... ok
[INFO] [stdout] test std_trait::production_from_str ... ok
[INFO] [stdout] test custom_trait::nonterminal_from_str ... ok
[INFO] [stdout] test custom_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] [stderr]      Running tests/grammar.rs (/opt/rustwide/target/debug/deps/grammar-1e5357fd92f739d7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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 3.21s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/iterate.rs (/opt/rustwide/target/debug/deps/iterate-49615cf2f6132c96)
[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/lib.rs - (line 118) ... ok
[INFO] [stdout] test src/expression.rs - expression::Expression::remove_term (line 37) ... ok
[INFO] [stdout] test src/grammar.rs - grammar::Grammar::generate_seeded (line 118) ... ok
[INFO] [stdout] test src/grammar.rs - grammar::Grammar::generate (line 169) ... ok
[INFO] [stdout] test src/lib.rs - (line 148) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "70f26c4a021ed2216ad46cfa520564b96b8d4d443c309860dbb6213ef3a2823c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70f26c4a021ed2216ad46cfa520564b96b8d4d443c309860dbb6213ef3a2823c", kill_on_drop: false }`
[INFO] [stdout] 70f26c4a021ed2216ad46cfa520564b96b8d4d443c309860dbb6213ef3a2823c