[INFO] fetching crate rustf8 0.9.1...
[INFO] building rustf8-0.9.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate rustf8 0.9.1 into /workspace/builds/worker-7-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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustf8 0.9.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.16)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef58e0aeed1f8bf0eb3a7dddff444cb825e91acff4bbd68a7194877823167adf
[INFO] running `Command { std: "docker" "start" "-a" "ef58e0aeed1f8bf0eb3a7dddff444cb825e91acff4bbd68a7194877823167adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef58e0aeed1f8bf0eb3a7dddff444cb825e91acff4bbd68a7194877823167adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef58e0aeed1f8bf0eb3a7dddff444cb825e91acff4bbd68a7194877823167adf", kill_on_drop: false }`
[INFO] [stdout] ef58e0aeed1f8bf0eb3a7dddff444cb825e91acff4bbd68a7194877823167adf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c0f3e124e1f639fa8be310b3a723d9ddd3dc3b7f24d6e47418f3f9ff1e1e08e
[INFO] running `Command { std: "docker" "start" "-a" "1c0f3e124e1f639fa8be310b3a723d9ddd3dc3b7f24d6e47418f3f9ff1e1e08e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling rustf8 v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.04s
[INFO] running `Command { std: "docker" "inspect" "1c0f3e124e1f639fa8be310b3a723d9ddd3dc3b7f24d6e47418f3f9ff1e1e08e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c0f3e124e1f639fa8be310b3a723d9ddd3dc3b7f24d6e47418f3f9ff1e1e08e", kill_on_drop: false }`
[INFO] [stdout] 1c0f3e124e1f639fa8be310b3a723d9ddd3dc3b7f24d6e47418f3f9ff1e1e08e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c484a3927caa2b54318e93ed848c258648457f350a23eba58bdb28b9fa8cc6f0
[INFO] running `Command { std: "docker" "start" "-a" "c484a3927caa2b54318e93ed848c258648457f350a23eba58bdb28b9fa8cc6f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling tempfile v3.23.0
[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: `#[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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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 6.04s
[INFO] running `Command { std: "docker" "inspect" "c484a3927caa2b54318e93ed848c258648457f350a23eba58bdb28b9fa8cc6f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c484a3927caa2b54318e93ed848c258648457f350a23eba58bdb28b9fa8cc6f0", kill_on_drop: false }`
[INFO] [stdout] c484a3927caa2b54318e93ed848c258648457f350a23eba58bdb28b9fa8cc6f0
