[INFO] fetching crate rustf8 0.9.1...
[INFO] testing rustf8-0.9.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rustf8 0.9.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rustf8 0.9.1
[INFO] finished tweaking crates.io crate rustf8 0.9.1
[INFO] tweaked toml for crates.io crate rustf8 0.9.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustf8 0.9.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 51 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c5d2f3c9fd0a02c00e1148f54658ad8f535152a6417684331761c84c9b5d00b
[INFO] running `Command { std: "docker" "start" "-a" "2c5d2f3c9fd0a02c00e1148f54658ad8f535152a6417684331761c84c9b5d00b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c5d2f3c9fd0a02c00e1148f54658ad8f535152a6417684331761c84c9b5d00b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c5d2f3c9fd0a02c00e1148f54658ad8f535152a6417684331761c84c9b5d00b", kill_on_drop: false }`
[INFO] [stdout] 2c5d2f3c9fd0a02c00e1148f54658ad8f535152a6417684331761c84c9b5d00b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9335c83b375cd49bda20c3415ae044e70ab98b944bdf92f08812efe104949b2
[INFO] running `Command { std: "docker" "start" "-a" "f9335c83b375cd49bda20c3415ae044e70ab98b944bdf92f08812efe104949b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustf8 v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "f9335c83b375cd49bda20c3415ae044e70ab98b944bdf92f08812efe104949b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9335c83b375cd49bda20c3415ae044e70ab98b944bdf92f08812efe104949b2", kill_on_drop: false }`
[INFO] [stdout] f9335c83b375cd49bda20c3415ae044e70ab98b944bdf92f08812efe104949b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9eb4acfe93e55f0b6f87fe6d6ca59195156f40c9ab917ce7bf7e5b8c8c1c912c
[INFO] running `Command { std: "docker" "start" "-a" "9eb4acfe93e55f0b6f87fe6d6ca59195156f40c9ab917ce7bf7e5b8c8c1c912c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling rustf8 v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/lib.rs:1354:10
[INFO] [stdout]      |
[INFO] [stdout] 1354 |         };
[INFO] [stdout]      |          ^ help: remove this semicolon
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/lib.rs:1391:10
[INFO] [stdout]      |
[INFO] [stdout] 1391 |         };
[INFO] [stdout]      |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:613:20
[INFO] [stdout]     |
[INFO] [stdout] 613 |             panic!(value);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 847 |         match_incomplete![ chiter; 0b1100_0000];
[INFO] [stdout]     |         --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `match_incomplete` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `Result<char, Utf8IteratorError>`
[INFO] [stdout]     |
[INFO] [stdout] 613 |             panic!("{:?}", value);
[INFO] [stdout]     |                    +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 613 -             panic!(value);
[INFO] [stdout] 613 +             std::panic::panic_any(value);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:613:20
[INFO] [stdout]     |
[INFO] [stdout] 613 |             panic!(value);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 849 |         match_incomplete![ chiter; 0b1110_0000, 0b1000_0000];
[INFO] [stdout]     |         ---------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `match_incomplete` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `Result<char, Utf8IteratorError>`
[INFO] [stdout]     |
[INFO] [stdout] 613 |             panic!("{:?}", value);
[INFO] [stdout]     |                    +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 613 -             panic!(value);
[INFO] [stdout] 613 +             std::panic::panic_any(value);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:613:20
[INFO] [stdout]     |
[INFO] [stdout] 613 |             panic!(value);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 851 |         match_incomplete![ chiter; 0b1111_0000, 0b1000_0000, 0b1000_0000];
[INFO] [stdout]     |         ----------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `match_incomplete` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `Result<char, Utf8IteratorError>`
[INFO] [stdout]     |
[INFO] [stdout] 613 |             panic!("{:?}", value);
[INFO] [stdout]     |                    +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 613 -             panic!(value);
[INFO] [stdout] 613 +             std::panic::panic_any(value);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:613:20
[INFO] [stdout]     |
[INFO] [stdout] 613 |             panic!(value);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 853 |         match_incomplete![ chiter; 0b1111_1000, 0b1000_0000, 0b1000_0000, 0b1000_0000];
[INFO] [stdout]     |         ------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `match_incomplete` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `Result<char, Utf8IteratorError>`
[INFO] [stdout]     |
[INFO] [stdout] 613 |             panic!("{:?}", value);
[INFO] [stdout]     |                    +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 613 -             panic!(value);
[INFO] [stdout] 613 +             std::panic::panic_any(value);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:613:20
[INFO] [stdout]     |
[INFO] [stdout] 613 |               panic!(value);
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 855 | /         match_incomplete![ chiter;
[INFO] [stdout] 856 | |             0b1111_1100,
[INFO] [stdout] 857 | |             0b1000_0000,
[INFO] [stdout] 858 | |             0b1000_0000,
[INFO] [stdout] 859 | |             0b1000_0000,
[INFO] [stdout] 860 | |             0b1000_0000
[INFO] [stdout] 861 | |         ];
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `match_incomplete` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `Result<char, Utf8IteratorError>`
[INFO] [stdout]     |
[INFO] [stdout] 613 |             panic!("{:?}", value);
[INFO] [stdout]     |                    +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 613 -             panic!(value);
[INFO] [stdout] 613 +             std::panic::panic_any(value);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:613:20
[INFO] [stdout]     |
[INFO] [stdout] 613 |             panic!(value);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 863 |         match_incomplete![ chiter; 0b1100_1111];
[INFO] [stdout]     |         --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `match_incomplete` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `Result<char, Utf8IteratorError>`
[INFO] [stdout]     |
[INFO] [stdout] 613 |             panic!("{:?}", value);
[INFO] [stdout]     |                    +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 613 -             panic!(value);
[INFO] [stdout] 613 +             std::panic::panic_any(value);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:613:20
[INFO] [stdout]     |
[INFO] [stdout] 613 |             panic!(value);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 865 |         match_incomplete![ chiter; 0b1110_0111, 0b1011_1111];
[INFO] [stdout]     |         ---------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `match_incomplete` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `Result<char, Utf8IteratorError>`
[INFO] [stdout]     |
[INFO] [stdout] 613 |             panic!("{:?}", value);
[INFO] [stdout]     |                    +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 613 -             panic!(value);
[INFO] [stdout] 613 +             std::panic::panic_any(value);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:613:20
[INFO] [stdout]     |
[INFO] [stdout] 613 |             panic!(value);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 867 |         match_incomplete![ chiter; 0b1111_0111, 0b1011_1111, 0b1011_1111];
[INFO] [stdout]     |         ----------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `match_incomplete` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `Result<char, Utf8IteratorError>`
[INFO] [stdout]     |
[INFO] [stdout] 613 |             panic!("{:?}", value);
[INFO] [stdout]     |                    +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 613 -             panic!(value);
[INFO] [stdout] 613 +             std::panic::panic_any(value);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:613:20
[INFO] [stdout]     |
[INFO] [stdout] 613 |             panic!(value);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 869 |         match_incomplete![ chiter; 0b1111_1011, 0b1011_1111, 0b1011_1111, 0b1011_1111];
[INFO] [stdout]     |         ------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `match_incomplete` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `Result<char, Utf8IteratorError>`
[INFO] [stdout]     |
[INFO] [stdout] 613 |             panic!("{:?}", value);
[INFO] [stdout]     |                    +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 613 -             panic!(value);
[INFO] [stdout] 613 +             std::panic::panic_any(value);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:613:20
[INFO] [stdout]     |
[INFO] [stdout] 613 |               panic!(value);
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 871 | /         match_incomplete![ chiter;
[INFO] [stdout] 872 | |             0b1111_1101,
[INFO] [stdout] 873 | |             0b1011_1111,
[INFO] [stdout] 874 | |             0b1011_1111,
[INFO] [stdout] 875 | |             0b1011_1111,
[INFO] [stdout] 876 | |             0b1011_1111
[INFO] [stdout] 877 | |         ];
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this warning originates in the macro `match_incomplete` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `Result<char, Utf8IteratorError>`
[INFO] [stdout]     |
[INFO] [stdout] 613 |             panic!("{:?}", value);
[INFO] [stdout]     |                    +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 613 -             panic!(value);
[INFO] [stdout] 613 +             std::panic::panic_any(value);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:613:20
[INFO] [stdout]      |
[INFO] [stdout]  613 |             panic!(value);
[INFO] [stdout]      |                    ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1175 |         match_incomplete![ chiter; 0b1111_0000, 0b1000_0000, 0b1000_0000];
[INFO] [stdout]      |         ----------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]      = note: this warning originates in the macro `match_incomplete` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `Result<char, Utf8IteratorError>`
[INFO] [stdout]      |
[INFO] [stdout]  613 |             panic!("{:?}", value);
[INFO] [stdout]      |                    +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout]  613 -             panic!(value);
[INFO] [stdout]  613 +             std::panic::panic_any(value);
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.95s
[INFO] running `Command { std: "docker" "inspect" "9eb4acfe93e55f0b6f87fe6d6ca59195156f40c9ab917ce7bf7e5b8c8c1c912c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eb4acfe93e55f0b6f87fe6d6ca59195156f40c9ab917ce7bf7e5b8c8c1c912c", kill_on_drop: false }`
[INFO] [stdout] 9eb4acfe93e55f0b6f87fe6d6ca59195156f40c9ab917ce7bf7e5b8c8c1c912c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f3c169f70999866005f278f7995fc7299b1e525c14dbcd83adf6ef247a8b6e77
[INFO] running `Command { std: "docker" "start" "-a" "f3c169f70999866005f278f7995fc7299b1e525c14dbcd83adf6ef247a8b6e77", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]     --> src/lib.rs:1354:10
[INFO] [stderr]      |
[INFO] [stderr] 1354 |         };
[INFO] [stderr]      |          ^ help: remove this semicolon
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]     --> src/lib.rs:1391:10
[INFO] [stderr]      |
[INFO] [stderr] 1391 |         };
[INFO] [stderr]      |          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:613:20
[INFO] [stderr]     |
[INFO] [stderr] 613 |             panic!(value);
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 847 |         match_incomplete![ chiter; 0b1100_0000];
[INFO] [stderr]     |         --------------------------------------- in this macro invocation
[INFO] [stderr]     |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr]     = note: this warning originates in the macro `match_incomplete` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: add a "{:?}" format string to use the `Debug` implementation of `Result<char, Utf8IteratorError>`
[INFO] [stderr]     |
[INFO] [stderr] 613 |             panic!("{:?}", value);
[INFO] [stderr]     |                    +++++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 613 -             panic!(value);
[INFO] [stderr] 613 +             std::panic::panic_any(value);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:613:20
[INFO] [stderr]     |
[INFO] [stderr] 613 |             panic!(value);
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 849 |         match_incomplete![ chiter; 0b1110_0000, 0b1000_0000];
[INFO] [stderr]     |         ---------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: this warning originates in the macro `match_incomplete` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: add a "{:?}" format string to use the `Debug` implementation of `Result<char, Utf8IteratorError>`
[INFO] [stderr]     |
[INFO] [stderr] 613 |             panic!("{:?}", value);
[INFO] [stderr]     |                    +++++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 613 -             panic!(value);
[INFO] [stderr] 613 +             std::panic::panic_any(value);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:613:20
[INFO] [stderr]     |
[INFO] [stderr] 613 |             panic!(value);
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 851 |         match_incomplete![ chiter; 0b1111_0000, 0b1000_0000, 0b1000_0000];
[INFO] [stderr]     |         ----------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: this warning originates in the macro `match_incomplete` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: add a "{:?}" format string to use the `Debug` implementation of `Result<char, Utf8IteratorError>`
[INFO] [stderr]     |
[INFO] [stderr] 613 |             panic!("{:?}", value);
[INFO] [stderr]     |                    +++++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 613 -             panic!(value);
[INFO] [stderr] 613 +             std::panic::panic_any(value);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:613:20
[INFO] [stderr]     |
[INFO] [stderr] 613 |             panic!(value);
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 853 |         match_incomplete![ chiter; 0b1111_1000, 0b1000_0000, 0b1000_0000, 0b1000_0000];
[INFO] [stderr]     |         ------------------------------------------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: this warning originates in the macro `match_incomplete` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: add a "{:?}" format string to use the `Debug` implementation of `Result<char, Utf8IteratorError>`
[INFO] [stderr]     |
[INFO] [stderr] 613 |             panic!("{:?}", value);
[INFO] [stderr]     |                    +++++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 613 -             panic!(value);
[INFO] [stderr] 613 +             std::panic::panic_any(value);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:613:20
[INFO] [stderr]     |
[INFO] [stderr] 613 |               panic!(value);
[INFO] [stdout] 
[INFO] [stderr]     |                      ^^^^^
[INFO] [stdout] running 18 tests
[INFO] [stderr] ...
[INFO] [stderr] 855 | /         match_incomplete![ chiter;
[INFO] [stderr] 856 | |             0b1111_1100,
[INFO] [stderr] 857 | |             0b1000_0000,
[INFO] [stderr] 858 | |             0b1000_0000,
[INFO] [stderr] 859 | |             0b1000_0000,
[INFO] [stderr] 860 | |             0b1000_0000
[INFO] [stderr] 861 | |         ];
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: this warning originates in the macro `match_incomplete` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: add a "{:?}" format string to use the `Debug` implementation of `Result<char, Utf8IteratorError>`
[INFO] [stderr]     |
[INFO] [stderr] 613 |             panic!("{:?}", value);
[INFO] [stderr]     |                    +++++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 613 -             panic!(value);
[INFO] [stderr] 613 +             std::panic::panic_any(value);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:613:20
[INFO] [stderr]     |
[INFO] [stderr] 613 |             panic!(value);
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 863 |         match_incomplete![ chiter; 0b1100_1111];
[INFO] [stderr]     |         --------------------------------------- in this macro invocation
[INFO] [stderr]     |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: this warning originates in the macro `match_incomplete` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: add a "{:?}" format string to use the `Debug` implementation of `Result<char, Utf8IteratorError>`
[INFO] [stderr]     |
[INFO] [stderr] 613 |             panic!("{:?}", value);
[INFO] [stderr]     |                    +++++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 613 -             panic!(value);
[INFO] [stderr] 613 +             std::panic::panic_any(value);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:613:20
[INFO] [stderr]     |
[INFO] [stderr] 613 |             panic!(value);
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 865 |         match_incomplete![ chiter; 0b1110_0111, 0b1011_1111];
[INFO] [stderr]     |         ---------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: this warning originates in the macro `match_incomplete` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: add a "{:?}" format string to use the `Debug` implementation of `Result<char, Utf8IteratorError>`
[INFO] [stderr]     |
[INFO] [stderr] 613 |             panic!("{:?}", value);
[INFO] [stderr]     |                    +++++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 613 -             panic!(value);
[INFO] [stderr] 613 +             std::panic::panic_any(value);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:613:20
[INFO] [stderr]     |
[INFO] [stderr] 613 |             panic!(value);
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 867 |         match_incomplete![ chiter; 0b1111_0111, 0b1011_1111, 0b1011_1111];
[INFO] [stderr]     |         ----------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: this warning originates in the macro `match_incomplete` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: add a "{:?}" format string to use the `Debug` implementation of `Result<char, Utf8IteratorError>`
[INFO] [stderr]     |
[INFO] [stderr] 613 |             panic!("{:?}", value);
[INFO] [stderr]     |                    +++++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 613 -             panic!(value);
[INFO] [stderr] 613 +             std::panic::panic_any(value);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:613:20
[INFO] [stderr]     |
[INFO] [stderr] 613 |             panic!(value);
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 869 |         match_incomplete![ chiter; 0b1111_1011, 0b1011_1111, 0b1011_1111, 0b1011_1111];
[INFO] [stderr]     |         ------------------------------------------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: this warning originates in the macro `match_incomplete` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: add a "{:?}" format string to use the `Debug` implementation of `Result<char, Utf8IteratorError>`
[INFO] [stderr]     |
[INFO] [stderr] 613 |             panic!("{:?}", value);
[INFO] [stderr]     |                    +++++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 613 -             panic!(value);
[INFO] [stderr] 613 +             std::panic::panic_any(value);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:613:20
[INFO] [stderr]     |
[INFO] [stderr] 613 |               panic!(value);
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 871 | /         match_incomplete![ chiter;
[INFO] [stderr] 872 | |             0b1111_1101,
[INFO] [stderr] 873 | |             0b1011_1111,
[INFO] [stderr] 874 | |             0b1011_1111,
[INFO] [stderr] 875 | |             0b1011_1111,
[INFO] [stderr] 876 | |             0b1011_1111
[INFO] [stderr] 877 | |         ];
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: this warning originates in the macro `match_incomplete` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: add a "{:?}" format string to use the `Debug` implementation of `Result<char, Utf8IteratorError>`
[INFO] [stderr]     |
[INFO] [stderr] 613 |             panic!("{:?}", value);
[INFO] [stderr]     |                    +++++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 613 -             panic!(value);
[INFO] [stderr] 613 +             std::panic::panic_any(value);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:613:20
[INFO] [stderr]      |
[INFO] [stderr]  613 |             panic!(value);
[INFO] [stderr]      |                    ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1175 |         match_incomplete![ chiter; 0b1111_0000, 0b1000_0000, 0b1000_0000];
[INFO] [stderr]      |         ----------------------------------------------------------------- in this macro invocation
[INFO] [stderr]      |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]      = note: this warning originates in the macro `match_incomplete` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: add a "{:?}" format string to use the `Debug` implementation of `Result<char, Utf8IteratorError>`
[INFO] [stderr]      |
[INFO] [stderr]  613 |             panic!("{:?}", value);
[INFO] [stderr]      |                    +++++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stdout] test tests::_1_some_correct_utf_8_text ... ok
[INFO] [stderr]      |
[INFO] [stdout] test tests::_2_1_first_possible_sequence_of_a_certain_length ... ok
[INFO] [stderr]  613 -             panic!(value);
[INFO] [stdout] test tests::_2_2_last_possible_sequence_of_a_certain_length ... ok
[INFO] [stderr]  613 +             std::panic::panic_any(value);
[INFO] [stdout] test tests::_2_3_other_boundary_conditions ... ok
[INFO] [stderr]      |
[INFO] [stdout] test tests::_3_2_lonely_start_characters ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::_3_1_unexpected_continuation_bytes ... ok
[INFO] [stderr] warning: `rustf8` (lib test) generated 13 warnings (run `cargo fix --lib -p rustf8 --tests` to apply 11 suggestions)
[INFO] [stdout] test tests::_3_3_sequences_with_last_continuation_byte_missing ... ok
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] test tests::_3_4_concatenation_of_incomplete_sequences ... ok
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustf8-9f88e51c7cd429a2)
[INFO] [stdout] test tests::_4_2_maximum_overlong_sequences ... ok
[INFO] [stdout] test tests::_4_1_examples_of_an_overlong_ascii_character ... ok
[INFO] [stdout] test tests::_5_illegal_code_positions ... ok
[INFO] [stdout] test tests::read_from_cursor ... ok
[INFO] [stdout] test tests::tokenizer ... ok
[INFO] [stdout] test tests::unget ... ok
[INFO] [stdout] test tests::_4_3_overlong_representation_of_the_nul_character ... ok
[INFO] [stdout] test tests::read_file_with_errors ... ok
[INFO] [stdout] test tests::read_from_file ... ok
[INFO] [stdout] test tests::unget_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustf8
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Utf8IteratorError (line 191) ... ok
[INFO] [stdout] test src/lib.rs - Utf8Iterator<R>::unget (line 106) ... ok
[INFO] [stdout] test src/lib.rs - Utf8Iterator (line 40) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f3c169f70999866005f278f7995fc7299b1e525c14dbcd83adf6ef247a8b6e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3c169f70999866005f278f7995fc7299b1e525c14dbcd83adf6ef247a8b6e77", kill_on_drop: false }`
[INFO] [stdout] f3c169f70999866005f278f7995fc7299b1e525c14dbcd83adf6ef247a8b6e77
