[INFO] fetching crate arithmetic-parser 0.2.0...
[INFO] testing arithmetic-parser-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate arithmetic-parser 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate arithmetic-parser 0.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arithmetic-parser 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate arithmetic-parser 0.2.0
[INFO] tweaked toml for crates.io crate arithmetic-parser 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate arithmetic-parser 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] 67fe966e21dfd93e116c7a21d7f176aac892a77e3afe8a42ed2e8c9533b6420f
[INFO] running `Command { std: "docker" "start" "-a" "67fe966e21dfd93e116c7a21d7f176aac892a77e3afe8a42ed2e8c9533b6420f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67fe966e21dfd93e116c7a21d7f176aac892a77e3afe8a42ed2e8c9533b6420f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67fe966e21dfd93e116c7a21d7f176aac892a77e3afe8a42ed2e8c9533b6420f", kill_on_drop: false }`
[INFO] [stdout] 67fe966e21dfd93e116c7a21d7f176aac892a77e3afe8a42ed2e8c9533b6420f
[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=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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20b109403fee41bddced601ed3bd387409c6962c4f0e5eea35fecf4fae62cf0e
[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" "20b109403fee41bddced601ed3bd387409c6962c4f0e5eea35fecf4fae62cf0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling funty v1.0.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling tap v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling bitvec v0.19.4
[INFO] [stderr]    Compiling nom_locate v3.0.0
[INFO] [stderr]    Compiling arithmetic-parser v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.76s
[INFO] running `Command { std: "docker" "inspect" "20b109403fee41bddced601ed3bd387409c6962c4f0e5eea35fecf4fae62cf0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20b109403fee41bddced601ed3bd387409c6962c4f0e5eea35fecf4fae62cf0e", kill_on_drop: false }`
[INFO] [stdout] 20b109403fee41bddced601ed3bd387409c6962c4f0e5eea35fecf4fae62cf0e
[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=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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1665c74c866daa29e562dd29ffc1ae9dc65b8e6244b2a2d055062ae814880b06
[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" "1665c74c866daa29e562dd29ffc1ae9dc65b8e6244b2a2d055062ae814880b06", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling semver-parser v0.9.0
[INFO] [stderr]    Compiling assert_matches v1.4.0
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling version-sync v0.9.1
[INFO] [stderr]    Compiling arithmetic-parser v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `UnaryOp`
[INFO] [stdout]    --> src/grammars/mod.rs:227:23
[INFO] [stdout]     |
[INFO] [stdout] 227 |     use crate::{Expr, UnaryOp};
[INFO] [stdout]     |                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 35.60s
[INFO] running `Command { std: "docker" "inspect" "1665c74c866daa29e562dd29ffc1ae9dc65b8e6244b2a2d055062ae814880b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1665c74c866daa29e562dd29ffc1ae9dc65b8e6244b2a2d055062ae814880b06", kill_on_drop: false }`
[INFO] [stdout] 1665c74c866daa29e562dd29ffc1ae9dc65b8e6244b2a2d055062ae814880b06
[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=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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 742a5ec1c789d65e06d3d14a6cc47ef4264fba0c6115de8819a518a19d07acc8
[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" "742a5ec1c789d65e06d3d14a6cc47ef4264fba0c6115de8819a518a19d07acc8", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `UnaryOp`
[INFO] [stdout] running 53 tests
[INFO] [stderr]    --> src/grammars/mod.rs:227:23
[INFO] [stderr]     |
[INFO] [stderr] 227 |     use crate::{Expr, UnaryOp};
[INFO] [stderr]     |                       ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/arithmetic_parser-baaf8370fe1b4092
[INFO] [stdout] test grammars::tests::uint_parsers ... ok
[INFO] [stdout] test grammars::tests::parsing_numbers_with_dot ... ok
[INFO] [stdout] test parser::tests::and_has_higher_priority_than_or ... ok
[INFO] [stdout] test grammars::tests::int_parsers ... ok
[INFO] [stdout] test parser::tests::blocks_when_switched_off ... ok
[INFO] [stdout] test parser::tests::chained_comparisons_with_larger_context ... ok
[INFO] [stdout] test parser::tests::boolean_ops_when_switched_off ... ok
[INFO] [stdout] test grammars::tests::parsing_infinity ... ok
[INFO] [stdout] test parser::tests::chained_comparisons ... ok
[INFO] [stdout] test parser::tests::block_parsing ... ok
[INFO] [stdout] test parser::tests::comparison_expr_works ... ok
[INFO] [stdout] test parser::tests::destructuring_is_parsed ... ok
[INFO] [stdout] test parser::tests::assignment_works ... ok
[INFO] [stdout] test parser::tests::evaluation_order_with_bool_expressions ... ok
[INFO] [stdout] test parser::tests::comparison_works ... ok
[INFO] [stdout] test parser::tests::evaluation_order_with_complex_bool_expressions ... ok
[INFO] [stdout] test parser::tests::element_expr_works ... ok
[INFO] [stdout] test parser::tests::expr_evaluation_order ... ok
[INFO] [stdout] test parser::tests::fn_definition_parsing ... ok
[INFO] [stdout] test parser::tests::expr_with_numbers_works ... ok
[INFO] [stdout] test parser::tests::fn_defs_when_switched_off ... ok
[INFO] [stdout] test parser::tests::fun_works_with_complex_called_values ... ok
[INFO] [stdout] test parser::tests::fun_works ... ok
[INFO] [stdout] test parser::tests::fun_call_with_terminating_comma ... ok
[INFO] [stdout] test parser::tests::incomplete_statement ... ok
[INFO] [stdout] test parser::tests::hex_buffer_works ... ok
[INFO] [stdout] test parser::tests::function_call_with_literal_as_fn_name ... ok
[INFO] [stdout] test parser::tests::is_valid_variable_name_works ... ok
[INFO] [stdout] test parser::tests::incomplete_expr ... ok
[INFO] [stdout] test parser::tests::incomplete_fn ... ok
[INFO] [stdout] test parser::tests::expr_with_inline_comment ... ok
[INFO] [stdout] test parser::tests::empty_tuple_is_parsed ... ok
[INFO] [stdout] test parser::tests::methods_when_switched_off ... ok
[INFO] [stdout] test parser::tests::nested_destructuring_is_parsed ... ok
[INFO] [stdout] test parser::tests::no_unary_op_if_literal_without_it_not_parsed ... ok
[INFO] [stdout] test parser::tests::order_comparisons_when_switched_off ... ok
[INFO] [stdout] test parser::tests::non_ascii_input ... ok
[INFO] [stdout] test parser::tests::methods_have_higher_priority_than_unary_ops ... ok
[INFO] [stdout] test parser::tests::separated_statements_parse ... ok
[INFO] [stdout] test parser::tests::lvalues_are_parsed ... ok
[INFO] [stdout] test parser::tests::tuples_are_parsed ... ok
[INFO] [stdout] test parser::tests::multiline_comments ... ok
[INFO] [stdout] test parser::tests::single_value_tuple_is_parsed ... ok
[INFO] [stdout] test parser::tests::string_literal_works ... ok
[INFO] [stdout] test parser::tests::tuples_when_switched_off ... ok
[INFO] [stdout] test parser::tests::two_char_comparisons_are_parsed ... ok
[INFO] [stdout] test parser::tests::var_name_works ... ok
[INFO] [stdout] test parser::tests::unary_expr_works ... ok
[INFO] [stdout] test parser::tests::valid_sequential_comparisons ... ok
[INFO] [stdout] test parser::tests::type_hints_when_switched_off ... ok
[INFO] [stdout] test parser::tests::whitespace_can_include_comments ... ok
[INFO] [stdout] test parser::tests::method_expr_works ... ok
[INFO] [stdout] test parser::tests::methods_and_multiple_unary_ops ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 53 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/version_match-de8d1602512dd3bb
[INFO] [stdout] test readme_is_in_sync ... ok
[INFO] [stderr]    Doc-tests arithmetic-parser
[INFO] [stdout] test html_root_url_is_in_sync ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/grammars/traits.rs - grammars::traits::ParseLiteral (line 49) ... ok
[INFO] [stdout] test src/grammars/traits.rs - grammars::traits::Parse (line 219) ... ok
[INFO] [stdout] test src/lib.rs - (line 71) ... ok
[INFO] [stdout] test src/grammars/traits.rs - grammars::traits::Grammar (line 126) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "742a5ec1c789d65e06d3d14a6cc47ef4264fba0c6115de8819a518a19d07acc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "742a5ec1c789d65e06d3d14a6cc47ef4264fba0c6115de8819a518a19d07acc8", kill_on_drop: false }`
[INFO] [stdout] 742a5ec1c789d65e06d3d14a6cc47ef4264fba0c6115de8819a518a19d07acc8