[INFO] fetching crate pretty_regex 1.0.5...
[INFO] testing pretty_regex-1.0.5 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate pretty_regex 1.0.5 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate pretty_regex 1.0.5
[INFO] finished tweaking crates.io crate pretty_regex 1.0.5
[INFO] tweaked toml for crates.io crate pretty_regex 1.0.5 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pretty_regex 1.0.5 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pretty_regex 1.0.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex v1.9.3
[INFO] [stderr]   Downloaded regex-syntax v0.7.4
[INFO] [stderr]   Downloaded regex-automata v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b9293d97ee5824c16792c58283fd3814b24b4163b08c1883fd36c3edee2835c
[INFO] running `Command { std: "docker" "start" "-a" "8b9293d97ee5824c16792c58283fd3814b24b4163b08c1883fd36c3edee2835c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b9293d97ee5824c16792c58283fd3814b24b4163b08c1883fd36c3edee2835c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b9293d97ee5824c16792c58283fd3814b24b4163b08c1883fd36c3edee2835c", kill_on_drop: false }`
[INFO] [stdout] 8b9293d97ee5824c16792c58283fd3814b24b4163b08c1883fd36c3edee2835c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1f5a3d0a4d898fd2a156a39a6ab935db77832aeb9e71f28a2d9b22a76e3f617
[INFO] running `Command { std: "docker" "start" "-a" "a1f5a3d0a4d898fd2a156a39a6ab935db77832aeb9e71f28a2d9b22a76e3f617", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling regex-automata v0.3.6
[INFO] [stderr]    Compiling regex v1.9.3
[INFO] [stderr]    Compiling pretty_regex v1.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/logic.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.54s
[INFO] running `Command { std: "docker" "inspect" "a1f5a3d0a4d898fd2a156a39a6ab935db77832aeb9e71f28a2d9b22a76e3f617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1f5a3d0a4d898fd2a156a39a6ab935db77832aeb9e71f28a2d9b22a76e3f617", kill_on_drop: false }`
[INFO] [stdout] a1f5a3d0a4d898fd2a156a39a6ab935db77832aeb9e71f28a2d9b22a76e3f617
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b0dc5c78eb181af58ee721a177b6c3b4da0d6e6f6011c4f57b0301d6ec5baaa
[INFO] running `Command { std: "docker" "start" "-a" "6b0dc5c78eb181af58ee721a177b6c3b4da0d6e6f6011c4f57b0301d6ec5baaa", kill_on_drop: false }`
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/logic.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pretty_regex v1.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/logic.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "6b0dc5c78eb181af58ee721a177b6c3b4da0d6e6f6011c4f57b0301d6ec5baaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b0dc5c78eb181af58ee721a177b6c3b4da0d6e6f6011c4f57b0301d6ec5baaa", kill_on_drop: false }`
[INFO] [stdout] 6b0dc5c78eb181af58ee721a177b6c3b4da0d6e6f6011c4f57b0301d6ec5baaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 68f4372b15d22e998746e14885fbb6ec62117944032615e39719fbb76aad7487
[INFO] running `Command { std: "docker" "start" "-a" "68f4372b15d22e998746e14885fbb6ec62117944032615e39719fbb76aad7487", kill_on_drop: false }`
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]   --> src/logic.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     #[must_use]
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pretty_regex` (lib) generated 1 warning (run `cargo fix --lib -p pretty_regex` to apply 1 suggestion)
[INFO] [stderr] warning: `pretty_regex` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pretty_regex-6218986ec86a57e0)
[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]    Doc-tests pretty_regex
[INFO] [stdout] 
[INFO] [stdout] running 47 tests
[INFO] [stdout] test src/lib.rs - (line 29) ... ignored
[INFO] [stdout] test src/lib.rs - (line 45) ... ignored
[INFO] [stdout] test src/lib.rs - (line 64) ... ignored
[INFO] [stdout] test src/lib.rs - PrettyRegex<Quantifier>::lazy (line 199) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - PrettyRegex<T>::optional (line 681) ... ok
[INFO] [stdout] test src/lib.rs - PrettyRegex<T>::repeats_at_least (line 641) ... ok
[INFO] [stdout] test src/lib.rs - PrettyRegex<T>::repeats (line 621) ... ok
[INFO] [stdout] test src/lib.rs - PrettyRegex<T>::repeats_n_times_within (line 720) ... ok
[INFO] [stdout] test src/lib.rs - PrettyRegex<T>::then (line 165) ... ok
[INFO] [stdout] test src/lib.rs - PrettyRegex<Quantifier>::lazy (line 191) ... ok
[INFO] [stdout] test src/lib.rs - PrettyRegex<T>::repeats_zero_or_more_times (line 700) ... ok
[INFO] [stdout] test src/lib.rs - PrettyRegex<T>::bitor (line 830) ... ok
[INFO] [stdout] test src/lib.rs - alphabetic (line 382) ... ok
[INFO] [stdout] test src/lib.rs - PrettyRegex<T>::named_capture (line 778) ... ok
[INFO] [stdout] test src/lib.rs - PrettyRegex<L>::add (line 223) ... ok
[INFO] [stdout] test src/lib.rs - PrettyRegex<T>::repeats_one_or_more_times (line 661) ... ok
[INFO] [stdout] test src/lib.rs - PrettyRegex<T>::unnamed_capture (line 748) ... ok
[INFO] [stdout] test src/lib.rs - (line 78) ... ok
[INFO] [stdout] test src/lib.rs - digit (line 292) ... ok
[INFO] [stdout] test src/lib.rs - PrettyRegex<T>::mul (line 602) ... ok
[INFO] [stdout] test src/lib.rs - ascii_alphanumeric (line 365) ... ok
[INFO] [stdout] test src/lib.rs - alphanumeric (line 400) ... ok
[INFO] [stdout] test src/lib.rs - ascii_lowercase (line 439) ... ok
[INFO] [stdout] test src/lib.rs - any (line 277) ... ok
[INFO] [stdout] test src/lib.rs - one_of (line 801) ... ok
[INFO] [stdout] test src/lib.rs - nonescaped (line 261) ... ok
[INFO] [stdout] test src/lib.rs - just (line 245) ... ok
[INFO] [stdout] test src/lib.rs - ending (line 548) ... ok
[INFO] [stdout] test src/lib.rs - beginning (line 531) ... ok
[INFO] [stdout] test src/lib.rs - text_beginning (line 565) ... ok
[INFO] [stdout] test src/lib.rs - ascii_alphabetic (line 348) ... ok
[INFO] [stdout] test src/lib.rs - lowercase (line 421) ... ok
[INFO] [stdout] test src/logic.rs - logic::PrettyRegex<CharClass<Standard>>::not (line 128) ... ok
[INFO] [stdout] test src/lib.rs - within (line 458) ... ok
[INFO] [stdout] test src/lib.rs - whitespace (line 332) ... ok
[INFO] [stdout] test src/logic.rs - logic::PrettyRegex<L>::sub (line 97) ... ok
[INFO] [stdout] test src/logic.rs - logic::PrettyRegex<CharClass<T>>::bitxor (line 217) ... ok
[INFO] [stdout] test src/logic.rs - logic::PrettyRegex<CharClass<T>>::and (line 10) ... ok
[INFO] [stdout] test src/lib.rs - without_char_range (line 516) ... ok
[INFO] [stdout] test src/lib.rs - within_char_range (line 501) ... ok
[INFO] [stdout] test src/logic.rs - logic::symmetric_difference_between (line 51) ... ok
[INFO] [stdout] test src/logic.rs - logic::PrettyRegex<L>::bitand (line 77) ... ok
[INFO] [stdout] test src/lib.rs - without (line 479) ... ok
[INFO] [stdout] test src/logic.rs - logic::PrettyRegex<CharClass<T>>::symmetric_difference_with (line 27) ... ok
[INFO] [stdout] test src/logic.rs - logic::not (line 111) ... ok
[INFO] [stdout] test src/lib.rs - word (line 308) ... ok
[INFO] [stdout] test src/lib.rs - text_ending (line 582) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 44 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 4.62s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "68f4372b15d22e998746e14885fbb6ec62117944032615e39719fbb76aad7487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68f4372b15d22e998746e14885fbb6ec62117944032615e39719fbb76aad7487", kill_on_drop: false }`
[INFO] [stdout] 68f4372b15d22e998746e14885fbb6ec62117944032615e39719fbb76aad7487