[INFO] fetching crate rec 0.11.0... [INFO] testing rec-0.11.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] extracting crate rec 0.11.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate rec 0.11.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rec 0.11.0 [INFO] finished tweaking crates.io crate rec 0.11.0 [INFO] tweaked toml for crates.io crate rec 0.11.0 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b16ef174d10e90c5eba5475ea62cc54f86c30e879b33b7df267dbc516581c31c [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" "b16ef174d10e90c5eba5475ea62cc54f86c30e879b33b7df267dbc516581c31c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b16ef174d10e90c5eba5475ea62cc54f86c30e879b33b7df267dbc516581c31c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b16ef174d10e90c5eba5475ea62cc54f86c30e879b33b7df267dbc516581c31c", kill_on_drop: false }` [INFO] [stdout] b16ef174d10e90c5eba5475ea62cc54f86c30e879b33b7df267dbc516581c31c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 185d85a978f01f17ad6e819d8104f50db03889fcac4b70c83808bba576290138 [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" "185d85a978f01f17ad6e819d8104f50db03889fcac4b70c83808bba576290138", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling rec v0.11.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unknown lint: `question_mark_macro_sep` [INFO] [stdout] --> src/lib.rs:70:5 [INFO] [stdout] | [INFO] [stdout] 70 | question_mark_macro_sep, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unknown_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused extern crate [INFO] [stdout] --> src/lib.rs:101:1 [INFO] [stdout] | [INFO] [stdout] 101 | extern crate proc_macro; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove it [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 76 | unused_extern_crates, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 28.22s [INFO] running `Command { std: "docker" "inspect" "185d85a978f01f17ad6e819d8104f50db03889fcac4b70c83808bba576290138", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "185d85a978f01f17ad6e819d8104f50db03889fcac4b70c83808bba576290138", kill_on_drop: false }` [INFO] [stdout] 185d85a978f01f17ad6e819d8104f50db03889fcac4b70c83808bba576290138 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6f1e19f51e636b72af6d8223282b7ef7d5d41c6cc381ea2fa08ceedf94e5f5fb [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" "6f1e19f51e636b72af6d8223282b7ef7d5d41c6cc381ea2fa08ceedf94e5f5fb", kill_on_drop: false }` [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stdout] warning: unknown lint: `question_mark_macro_sep` [INFO] [stdout] --> src/lib.rs:70:5 [INFO] [stdout] | [INFO] [stdout] 70 | question_mark_macro_sep, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unknown_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused extern crate [INFO] [stdout] --> src/lib.rs:101:1 [INFO] [stdout] | [INFO] [stdout] 101 | extern crate proc_macro; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove it [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 76 | unused_extern_crates, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling pulldown-cmark v0.4.1 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling version-sync v0.8.1 [INFO] [stderr] Compiling rec v0.11.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unknown lint: `question_mark_macro_sep` [INFO] [stdout] --> src/lib.rs:70:5 [INFO] [stdout] | [INFO] [stdout] 70 | question_mark_macro_sep, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unknown_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> tests/version-numbers.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | assert_markdown_deps_updated!("README.md"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: this warning originates in the macro `assert_markdown_deps_updated` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused extern crate [INFO] [stdout] --> src/lib.rs:101:1 [INFO] [stdout] | [INFO] [stdout] 101 | extern crate proc_macro; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove it [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 76 | unused_extern_crates, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 23.87s [INFO] running `Command { std: "docker" "inspect" "6f1e19f51e636b72af6d8223282b7ef7d5d41c6cc381ea2fa08ceedf94e5f5fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f1e19f51e636b72af6d8223282b7ef7d5d41c6cc381ea2fa08ceedf94e5f5fb", kill_on_drop: false }` [INFO] [stdout] 6f1e19f51e636b72af6d8223282b7ef7d5d41c6cc381ea2fa08ceedf94e5f5fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 98bb733121dd37a590cdc922ad48f0bf85d2a37278a273dbf4539f1ec1f7bbf4 [INFO] running `Command { std: "docker" "start" "-a" "98bb733121dd37a590cdc922ad48f0bf85d2a37278a273dbf4539f1ec1f7bbf4", kill_on_drop: false }` [INFO] [stderr] warning: unknown lint: `question_mark_macro_sep` [INFO] [stderr] --> src/lib.rs:70:5 [INFO] [stderr] | [INFO] [stderr] 70 | question_mark_macro_sep, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unknown_lints)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused extern crate [INFO] [stderr] --> src/lib.rs:101:1 [INFO] [stderr] | [INFO] [stderr] 101 | extern crate proc_macro; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove it [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:76:5 [INFO] [stderr] | [INFO] [stderr] 76 | unused_extern_crates, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> tests/version-numbers.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | assert_markdown_deps_updated!("README.md"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: this warning originates in the macro `assert_markdown_deps_updated` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unknown lint: `question_mark_macro_sep` [INFO] [stderr] --> src/lib.rs:70:5 [INFO] [stderr] | [INFO] [stderr] 70 | question_mark_macro_sep, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unknown_lints)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused extern crate [INFO] [stderr] --> src/lib.rs:101:1 [INFO] [stderr] | [INFO] [stderr] 101 | extern crate proc_macro; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove it [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:76:5 [INFO] [stderr] | [INFO] [stderr] 76 | unused_extern_crates, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rec-9e4012e7ae860570) [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] [stderr] Running tests/alternation.rs (/opt/rustwide/target/debug/deps/alternation-b59ff08d6ba34265) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test str_or_range ... ok [INFO] [stdout] test char_or_str ... 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] [stderr] Running tests/calls.rs (/opt/rustwide/target/debug/deps/calls-6d9671c86efbf1f7) [INFO] [stdout] [INFO] [stderr] Running tests/classes.rs (/opt/rustwide/target/debug/deps/classes-de6ea583a6a63aa1) [INFO] [stdout] running 3 tests [INFO] [stdout] test alternate_with_call ... ignored [INFO] [stdout] test call_repeat ... ignored [INFO] [stdout] test single_call ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 14 tests [INFO] [stdout] test intersect_char_and_range ... ok [INFO] [stdout] test intersect_char_and_union ... ok [INFO] [stdout] test intersect_range_and_union ... ok [INFO] [stdout] test intersect_two_ranges ... ok [INFO] [stdout] test unite_multiple_chars ... ok [INFO] [stderr] Running tests/concatenation.rs (/opt/rustwide/target/debug/deps/concatenation-d8aae272e0550bce) [INFO] [stdout] test unite_char_and_range ... ok [INFO] [stdout] test negate_intersection ... ok [INFO] [stdout] test intersect_two_unions ... ok [INFO] [stdout] test unite_range_and_char ... ok [INFO] [stdout] test negate_range ... ok [INFO] [stdout] test negate_char ... ok [INFO] [stdout] test unite_chars ... ok [INFO] [stdout] test negate_union ... ok [INFO] [stdout] test range ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running tests/literals.rs (/opt/rustwide/target/debug/deps/literals-7ce50a4efacf083b) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test concat_alternation ... ok [INFO] [stdout] test multiple_plus ... ok [INFO] [stdout] test single_plus ... ok [INFO] [stdout] test concat_two_alternations ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running tests/readme.rs (/opt/rustwide/target/debug/deps/readme-f18e583734db6424) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test char ... ok [INFO] [stdout] test str ... 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 1 test [INFO] [stderr] error: test failed, to rerun pass '--test readme' [INFO] [stdout] test readme_updated ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- readme_updated stdout ---- [INFO] [stdout] thread 'readme_updated' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `"# rec\r\n\r\nRegular Expression Constructor - the recreational version of regular expressions\r\n\r\n`rec` is a Rust library that simplifies the process of reading and writing regular expressions.\r\nThis library is intended for all users working with regular expressions, no matter their\r\nfamiliarity with regular expression syntax. Below is a summary of the functionality provided by\r\n`rec`:\r\n\r\n- WYSIWYG: [`&str`] and [`char`] are interpreted exactly as written (i.e. no metacharacters);\r\n- Uses operators from rust language syntax to provide easy to understand expressions.\r\n- Declares regular expressions as const [`&str`] values that are valid with the [`regex`]\r\ncrate.\r\n\r\n## Getting Started\r\n\r\nAdd the following to your `Cargo.toml`:\r\n\r\n```toml\r\n[dependencies]\r\nrec = \"0.11.0\"\r\n```\r\n\r\n## Examples\r\n```rust\r\nuse rec::rec;\r\nuse regex::Regex;\r\n\r\n#[rec]\r\nconst HELLO_WORLD: &str = \"hello\" + [' '; 1..] + \"world\";\r\n\r\nlet re = Regex::new(HELLO_WORLD).unwrap();\r\nassert!(re.is_match(\"hello world\"));\r\n```\r\n\r\nAlternation is implemented by `|`.\r\n\r\n```rust\r\nuse rec::rec;\r\nuse regex::Regex;\r\n\r\n#[rec]\r\nconst VERSION: &str = \"debug\" | \"release\";\r\n\r\nlet re = Regex::new(VERSION).unwrap();\r\nassert!(re.is_match(\"release\"));\r\n```\r\n\r\n## FAQ\r\n\r\n### I know regular expression syntax; why should I use `rec`?\r\n\r\nIn order for code to be easily maintainable, it should be as simple as possible. Even if the\r\noriginal developer understands their regular expression, it is beneficial for the project as a\r\nwhole if all contributors are able to easily understand the function of a regular expression.\r\n\r\nLicense: MIT\r\n"`, [INFO] [stdout] right: `""`', tests/readme.rs:16:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55b15c4d0ea0 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x55b15c4d0ea0 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55b15c4d0ea0 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55b15c4d0ea0 - ::fmt::h2a772198c4032452 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55b15c4f376c - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/fmt/mod.rs:1115:17 [INFO] [stdout] 5: 0x55b15c4cdf15 - std::io::Write::write_fmt::h583dff5009d01a9f [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/io/mod.rs:1663:15 [INFO] [stdout] 6: 0x55b15c4d300b - std::sys_common::backtrace::_print::h5b3c171e6f864ae4 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55b15c4d300b - std::sys_common::backtrace::print::h93b9e9ed2a98e611 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55b15c4d300b - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x55b15c4d2b1c - std::panicking::default_hook::hdbc8b2951c5afbab [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:222:9 [INFO] [stdout] 10: 0x55b15c4d36d4 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:622:17 [INFO] [stdout] 11: 0x55b15c4d31b7 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:519:13 [INFO] [stdout] 12: 0x55b15c4d139c - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x55b15c4d3119 - rust_begin_unwind [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:515:5 [INFO] [stdout] 14: 0x55b15c478631 - core::panicking::panic_fmt::hcf5f6d96e1dd7099 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x55b15c4f2088 - core::panicking::assert_failed_inner::h6ded2444c01d76f2 [INFO] [stdout] 16: 0x55b15c47c33a - core::panicking::assert_failed::h040c8e87efb8340e [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/panicking.rs:117:5 [INFO] [stdout] 17: 0x55b15c47ed92 - readme::readme_updated::h7a84c586f9188e1e [INFO] [stdout] at /opt/rustwide/workdir/tests/readme.rs:16:5 [INFO] [stdout] 18: 0x55b15c47eafa - readme::readme_updated::{{closure}}::hf4e6ec7cd4b7a02a [INFO] [stdout] at /opt/rustwide/workdir/tests/readme.rs:5:1 [INFO] [stdout] 19: 0x55b15c47ee8e - core::ops::function::FnOnce::call_once::hfa21564e7250d1f3 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x55b15c4a7fd3 - core::ops::function::FnOnce::call_once::h99a97b0ff983bd25 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x55b15c4a7fd3 - test::__rust_begin_short_backtrace::h8fe0d26ed1584e50 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:577:5 [INFO] [stdout] 22: 0x55b15c4a6a60 - as core::ops::function::FnOnce>::call_once::he6b90e352f394d8f [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 23: 0x55b15c4a6a60 - as core::ops::function::FnOnce<()>>::call_once::h1c05475e029700b8 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:347:9 [INFO] [stdout] 24: 0x55b15c4a6a60 - std::panicking::try::do_call::he6de943476ae628a [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40 [INFO] [stdout] 25: 0x55b15c4a6a60 - std::panicking::try::ha21937b8feb06f89 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19 [INFO] [stdout] 26: 0x55b15c4a6a60 - std::panic::catch_unwind::ha79830b3325c9fa6 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14 [INFO] [stdout] 27: 0x55b15c4a6a60 - test::run_test_in_process::h1ab180b83ee2d5b5 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:600:18 [INFO] [stdout] 28: 0x55b15c4a6a60 - test::run_test::run_test_inner::{{closure}}::h8258ffe088f187a1 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:492:39 [INFO] [stdout] 29: 0x55b15c480022 - test::run_test::run_test_inner::{{closure}}::hc697b214abd32bc6 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:519:37 [INFO] [stdout] 30: 0x55b15c480022 - std::sys_common::backtrace::__rust_begin_short_backtrace::h64de0d3f894854a9 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stdout] 31: 0x55b15c483c78 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h1fd98fc86e533ece [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/thread/mod.rs:476:17 [INFO] [stdout] 32: 0x55b15c483c78 - as core::ops::function::FnOnce<()>>::call_once::h4e2a7abf702e4cfd [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:347:9 [INFO] [stdout] 33: 0x55b15c483c78 - std::panicking::try::do_call::h4496392321a3c8c0 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40 [INFO] [stdout] 34: 0x55b15c483c78 - std::panicking::try::hf1e14258e04e8e9a [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19 [INFO] [stdout] 35: 0x55b15c483c78 - std::panic::catch_unwind::hb72c3777cd55642f [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14 [INFO] [stdout] 36: 0x55b15c483c78 - std::thread::Builder::spawn_unchecked::{{closure}}::h2d7915a5910e148e [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/thread/mod.rs:475:30 [INFO] [stdout] 37: 0x55b15c483c78 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h83fd2f1ef5be797c [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x55b15c4d8357 - as core::ops::function::FnOnce>::call_once::ha8b1d5a0092467fc [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 39: 0x55b15c4d8357 - as core::ops::function::FnOnce>::call_once::h4b9f24ec4e8a879e [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 40: 0x55b15c4d8357 - std::sys::unix::thread::Thread::new::thread_start::h2a0e98fbc4ab4c32 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys/unix/thread.rs:72:17 [INFO] [stdout] 41: 0x7f7f3bf44609 - start_thread [INFO] [stdout] 42: 0x7f7f3bd16293 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] readme_updated [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "98bb733121dd37a590cdc922ad48f0bf85d2a37278a273dbf4539f1ec1f7bbf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98bb733121dd37a590cdc922ad48f0bf85d2a37278a273dbf4539f1ec1f7bbf4", kill_on_drop: false }` [INFO] [stdout] 98bb733121dd37a590cdc922ad48f0bf85d2a37278a273dbf4539f1ec1f7bbf4