[INFO] fetching crate generator-combinator 0.4.0...
[INFO] checking generator-combinator-0.4.0 against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2
[INFO] extracting crate generator-combinator 0.4.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate generator-combinator 0.4.0 on toolchain ccf408f4326a858c00dd845a64a86b16f360a801
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate generator-combinator 0.4.0
[INFO] finished tweaking crates.io crate generator-combinator 0.4.0
[INFO] tweaked toml for crates.io crate generator-combinator 0.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate generator-combinator 0.4.0 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" "+ccf408f4326a858c00dd845a64a86b16f360a801" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de4e367f59a066a0ea075f3dfb6a4ffd6fc7685612d90cdaafb89c2c21588b7f
[INFO] running `Command { std: "docker" "start" "-a" "de4e367f59a066a0ea075f3dfb6a4ffd6fc7685612d90cdaafb89c2c21588b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de4e367f59a066a0ea075f3dfb6a4ffd6fc7685612d90cdaafb89c2c21588b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de4e367f59a066a0ea075f3dfb6a4ffd6fc7685612d90cdaafb89c2c21588b7f", kill_on_drop: false }`
[INFO] [stdout] de4e367f59a066a0ea075f3dfb6a4ffd6fc7685612d90cdaafb89c2c21588b7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74a49894eb4a24a8740d6310faf9b7c8d3a9143ed04ae8cdf348c01c1045a3ab
[INFO] running `Command { std: "docker" "start" "-a" "74a49894eb4a24a8740d6310faf9b7c8d3a9143ed04ae8cdf348c01c1045a3ab", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Migrating Cargo.toml from 2021 edition to 2024
[INFO] [stderr]        Fixed Cargo.toml (1 fix)
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking generator-combinator v0.4.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `generator_combinator`
[INFO] [stderr] 
[INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files:
[INFO] [stderr] 
[INFO] [stderr]   * src/macros.rs
[INFO] [stderr] 
[INFO] [stderr] This likely indicates a bug in either rustc or cargo itself,
[INFO] [stderr] and we would appreciate a bug report! You're likely to see
[INFO] [stderr] a number of compiler warnings after this message which cargo
[INFO] [stderr] attempted to fix but failed. If you could open an issue at
[INFO] [stderr] https://github.com/rust-lang/rust/issues
[INFO] [stderr] quoting the full output of this command we'd be very appreciative!
[INFO] [stderr] Note that you may be able to make some more progress in the near-term
[INFO] [stderr] fixing code with the `--broken-code` flag
[INFO] [stderr] 
[INFO] [stderr] The following errors were reported:
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]  --> src/macros.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 |     ($a : expr_2021) => {
[INFO] [stderr]   |      ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]   = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]   = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]   --> src/macros.rs:10:6
[INFO] [stderr]    |
[INFO] [stderr] 10 |     ($a : expr_2021) => {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]   --> src/macros.rs:13:6
[INFO] [stderr]    |
[INFO] [stderr] 13 |     ($a:expr_2021, $($b:expr_2021),+) => {
[INFO] [stderr]    |      ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]   --> src/macros.rs:13:22
[INFO] [stderr]    |
[INFO] [stderr] 13 |     ($a:expr_2021, $($b:expr_2021),+) => {
[INFO] [stderr]    |                      ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] Original diagnostics will follow.
[INFO] [stderr] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]  --> src/macros.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | macro_rules! gen {
[INFO] [stdout]   |              ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]   = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout]   = note: `--force-warn keyword-idents-2024` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:828:17
[INFO] [stdout]     |
[INFO] [stdout] 828 |     use crate::{gen, oneof};
[INFO] [stdout]     |                 ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:955:24
[INFO] [stdout]     |
[INFO] [stdout] 955 |         let foo_opt1 = gen!("foo").optional();
[INFO] [stdout]     |                        ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:958:24
[INFO] [stdout]     |
[INFO] [stdout] 958 |         let foo_opt2 = gen!("foo").optional();
[INFO] [stdout]     |                        ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:966:20
[INFO] [stdout]     |
[INFO] [stdout] 966 |         let foo2 = gen!("foo");
[INFO] [stdout]     |                    ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:974:27
[INFO] [stdout]     |
[INFO] [stdout] 974 |         let mut foobar2 = gen!("foo");
[INFO] [stdout]     |                           ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:975:20
[INFO] [stdout]     |
[INFO] [stdout] 975 |         foobar2 |= gen!("bar");
[INFO] [stdout]     |                    ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:979:23
[INFO] [stdout]     |
[INFO] [stdout] 979 |         let foobar1 = gen!("foo") + gen!("bar");
[INFO] [stdout]     |                       ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:979:37
[INFO] [stdout]     |
[INFO] [stdout] 979 |         let foobar1 = gen!("foo") + gen!("bar");
[INFO] [stdout]     |                                     ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:980:27
[INFO] [stdout]     |
[INFO] [stdout] 980 |         let mut foobar2 = gen!("foo");
[INFO] [stdout]     |                           ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:981:20
[INFO] [stdout]     |
[INFO] [stdout] 981 |         foobar2 += gen!("bar");
[INFO] [stdout]     |                    ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:985:20
[INFO] [stdout]     |
[INFO] [stdout] 985 |         let foo1 = gen!("foo") * 2;
[INFO] [stdout]     |                    ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:986:24
[INFO] [stdout]     |
[INFO] [stdout] 986 |         let mut foo2 = gen!("foo");
[INFO] [stdout]     |                        ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:991:20
[INFO] [stdout]     |
[INFO] [stdout] 991 |         let foo1 = gen!("foo") * (2, 3);
[INFO] [stdout]     |                    ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:992:24
[INFO] [stdout]     |
[INFO] [stdout] 992 |         let mut foo2 = gen!("foo");
[INFO] [stdout]     |                        ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]     --> src/generator.rs:1001:19
[INFO] [stdout]      |
[INFO] [stdout] 1001 |         let foo = gen!("foo").optional();
[INFO] [stdout]      |                   ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]      = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]     --> src/generator.rs:1002:19
[INFO] [stdout]      |
[INFO] [stdout] 1002 |         let bar = gen!("bar").optional();
[INFO] [stdout]      |                   ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]      = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]     --> src/generator.rs:1003:19
[INFO] [stdout]      |
[INFO] [stdout] 1003 |         let baz = gen!("baz").optional();
[INFO] [stdout]      |                   ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]      = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]     --> src/generator.rs:1007:26
[INFO] [stdout]      |
[INFO] [stdout] 1007 |         let foobarbaz2 = gen!("foo").optional() | oneof!("bar", "baz");
[INFO] [stdout]      |                          ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]      = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]     --> src/generator.rs:1017:26
[INFO] [stdout]      |
[INFO] [stdout] 1017 |         let foobarbaz3 = gen!("foo") | gen!("bar").optional() | gen!("baz");
[INFO] [stdout]      |                          ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]      = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]     --> src/generator.rs:1017:40
[INFO] [stdout]      |
[INFO] [stdout] 1017 |         let foobarbaz3 = gen!("foo") | gen!("bar").optional() | gen!("baz");
[INFO] [stdout]      |                                        ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]      = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]     --> src/generator.rs:1017:65
[INFO] [stdout]      |
[INFO] [stdout] 1017 |         let foobarbaz3 = gen!("foo") | gen!("bar").optional() | gen!("baz");
[INFO] [stdout]      |                                                                 ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]      = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]     --> src/generator.rs:1080:48
[INFO] [stdout]      |
[INFO] [stdout] 1080 |         let sea = Generator::from("Seattle") + gen!(", WA").optional();
[INFO] [stdout]      |                                                ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]      = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]  --> src/macros.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     ($a : expr) => {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this changes meaning in Rust 2024
[INFO] [stdout]   = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout]   = note: `--force-warn edition-2024-expr-fragment-specifier` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]   |
[INFO] [stdout] 3 |     ($a : expr_2021) => {
[INFO] [stdout]   |           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/macros.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 |     ($a : expr) => {
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 10 |     ($a : expr_2021) => {
[INFO] [stdout]    |           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/macros.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     ($a:expr, $($b:expr),+) => {
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 13 |     ($a:expr_2021, $($b:expr),+) => {
[INFO] [stdout]    |         ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/macros.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     ($a:expr, $($b:expr),+) => {
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 13 |     ($a:expr, $($b:expr_2021),+) => {
[INFO] [stdout]    |                    ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking rand_core v0.6.0
[INFO] [stderr]     Checking rand v0.8.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Migrating examples/visit.rs from 2021 edition to 2024
[INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `generator_combinator`
[INFO] [stderr] 
[INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files:
[INFO] [stderr] 
[INFO] [stderr]   * src/macros.rs
[INFO] [stderr] 
[INFO] [stderr] This likely indicates a bug in either rustc or cargo itself,
[INFO] [stderr] and we would appreciate a bug report! You're likely to see
[INFO] [stderr] a number of compiler warnings after this message which cargo
[INFO] [stderr] attempted to fix but failed. If you could open an issue at
[INFO] [stderr] https://github.com/rust-lang/rust/issues
[INFO] [stderr] quoting the full output of this command we'd be very appreciative!
[INFO] [stderr] Note that you may be able to make some more progress in the near-term
[INFO] [stderr] fixing code with the `--broken-code` flag
[INFO] [stderr] 
[INFO] [stderr] The following errors were reported:
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]  --> src/macros.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 |     ($a : expr_2021) => {
[INFO] [stderr]   |      ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]   = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]   = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]   --> src/macros.rs:10:6
[INFO] [stderr]    |
[INFO] [stderr] 10 |     ($a : expr_2021) => {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]   --> src/macros.rs:13:6
[INFO] [stderr]    |
[INFO] [stderr] 13 |     ($a:expr_2021, $($b:expr_2021),+) => {
[INFO] [stderr]    |      ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]   --> src/macros.rs:13:22
[INFO] [stderr]    |
[INFO] [stderr] 13 |     ($a:expr_2021, $($b:expr_2021),+) => {
[INFO] [stderr]    |                      ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] Original diagnostics will follow.
[INFO] [stderr] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]  --> src/macros.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | macro_rules! gen {
[INFO] [stdout]   |              ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]   = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout]   = note: `--force-warn keyword-idents-2024` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:828:17
[INFO] [stdout]     |
[INFO] [stdout] 828 |     use crate::{gen, oneof};
[INFO] [stdout]     |                 ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:955:24
[INFO] [stdout]     |
[INFO] [stdout] 955 |         let foo_opt1 = gen!("foo").optional();
[INFO] [stdout]     |                        ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:958:24
[INFO] [stdout]     |
[INFO] [stdout] 958 |         let foo_opt2 = gen!("foo").optional();
[INFO] [stdout]     |                        ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:966:20
[INFO] [stdout]     |
[INFO] [stdout] 966 |         let foo2 = gen!("foo");
[INFO] [stdout]     |                    ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:974:27
[INFO] [stdout]     |
[INFO] [stdout] 974 |         let mut foobar2 = gen!("foo");
[INFO] [stdout]     |                           ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:975:20
[INFO] [stdout]     |
[INFO] [stdout] 975 |         foobar2 |= gen!("bar");
[INFO] [stdout]     |                    ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:979:23
[INFO] [stdout]     |
[INFO] [stdout] 979 |         let foobar1 = gen!("foo") + gen!("bar");
[INFO] [stdout]     |                       ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:979:37
[INFO] [stdout]     |
[INFO] [stdout] 979 |         let foobar1 = gen!("foo") + gen!("bar");
[INFO] [stdout]     |                                     ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:980:27
[INFO] [stdout]     |
[INFO] [stdout] 980 |         let mut foobar2 = gen!("foo");
[INFO] [stdout]     |                           ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:981:20
[INFO] [stdout]     |
[INFO] [stdout] 981 |         foobar2 += gen!("bar");
[INFO] [stdout]     |                    ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:985:20
[INFO] [stdout]     |
[INFO] [stdout] 985 |         let foo1 = gen!("foo") * 2;
[INFO] [stdout]     |                    ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:986:24
[INFO] [stdout]     |
[INFO] [stdout] 986 |         let mut foo2 = gen!("foo");
[INFO] [stdout]     |                        ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:991:20
[INFO] [stdout]     |
[INFO] [stdout] 991 |         let foo1 = gen!("foo") * (2, 3);
[INFO] [stdout]     |                    ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/generator.rs:992:24
[INFO] [stdout]     |
[INFO] [stdout] 992 |         let mut foo2 = gen!("foo");
[INFO] [stdout]     |                        ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]     --> src/generator.rs:1001:19
[INFO] [stdout]      |
[INFO] [stdout] 1001 |         let foo = gen!("foo").optional();
[INFO] [stdout]      |                   ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]      = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]     --> src/generator.rs:1002:19
[INFO] [stdout]      |
[INFO] [stdout] 1002 |         let bar = gen!("bar").optional();
[INFO] [stdout]      |                   ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]      = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]     --> src/generator.rs:1003:19
[INFO] [stdout]      |
[INFO] [stdout] 1003 |         let baz = gen!("baz").optional();
[INFO] [stdout]      |                   ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]      = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]     --> src/generator.rs:1007:26
[INFO] [stdout]      |
[INFO] [stdout] 1007 |         let foobarbaz2 = gen!("foo").optional() | oneof!("bar", "baz");
[INFO] [stdout]      |                          ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]      = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]     --> src/generator.rs:1017:26
[INFO] [stdout]      |
[INFO] [stdout] 1017 |         let foobarbaz3 = gen!("foo") | gen!("bar").optional() | gen!("baz");
[INFO] [stdout]      |                          ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]      = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]     --> src/generator.rs:1017:40
[INFO] [stdout]      |
[INFO] [stdout] 1017 |         let foobarbaz3 = gen!("foo") | gen!("bar").optional() | gen!("baz");
[INFO] [stdout]      |                                        ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]      = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]     --> src/generator.rs:1017:65
[INFO] [stdout]      |
[INFO] [stdout] 1017 |         let foobarbaz3 = gen!("foo") | gen!("bar").optional() | gen!("baz");
[INFO] [stdout]      |                                                                 ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]      = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]     --> src/generator.rs:1080:48
[INFO] [stdout]      |
[INFO] [stdout] 1080 |         let sea = Generator::from("Seattle") + gen!(", WA").optional();
[INFO] [stdout]      |                                                ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]      = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]  --> src/macros.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     ($a : expr) => {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this changes meaning in Rust 2024
[INFO] [stdout]   = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout]   = note: `--force-warn edition-2024-expr-fragment-specifier` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]   |
[INFO] [stdout] 3 |     ($a : expr_2021) => {
[INFO] [stdout]   |           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/macros.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 |     ($a : expr) => {
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 10 |     ($a : expr_2021) => {
[INFO] [stdout]    |           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/macros.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     ($a:expr, $($b:expr),+) => {
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 13 |     ($a:expr_2021, $($b:expr),+) => {
[INFO] [stdout]    |         ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/macros.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     ($a:expr, $($b:expr),+) => {
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 13 |     ($a:expr, $($b:expr_2021),+) => {
[INFO] [stdout]    |                    ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating examples/address.rs from 2021 edition to 2024
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.61s
[INFO] [stderr] Running `cargo check` to verify 2024
[INFO] [stderr]     Checking generator-combinator v0.4.0 (/tmp/fixit)
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]  --> src/macros.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | macro_rules! gen {
[INFO] [stdout]   |              ^^^ expected identifier, found reserved keyword
[INFO] [stdout]   |
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]   |
[INFO] [stdout] 2 | macro_rules! r#gen {
[INFO] [stdout]   |              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]    --> src/generator.rs:828:17
[INFO] [stdout]     |
[INFO] [stdout] 828 |     use crate::{gen, oneof};
[INFO] [stdout]     |                 ^^^ expected identifier, found reserved keyword
[INFO] [stdout]     |
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]     |
[INFO] [stdout] 828 |     use crate::{r#gen, oneof};
[INFO] [stdout]     |                 ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found reserved keyword `gen`
[INFO] [stdout]    --> src/generator.rs:955:24
[INFO] [stdout]     |
[INFO] [stdout] 955 |         let foo_opt1 = gen!("foo").optional();
[INFO] [stdout]     |                        ^^^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found reserved keyword `gen`
[INFO] [stdout]    --> src/generator.rs:966:20
[INFO] [stdout]     |
[INFO] [stdout] 966 |         let foo2 = gen!("foo");
[INFO] [stdout]     |                    ^^^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found reserved keyword `gen`
[INFO] [stdout]     --> src/generator.rs:1001:19
[INFO] [stdout]      |
[INFO] [stdout] 1001 |         let foo = gen!("foo").optional();
[INFO] [stdout]      |                   ^^^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found reserved keyword `gen`
[INFO] [stdout]     --> src/generator.rs:1080:48
[INFO] [stdout]      |
[INFO] [stdout] 1080 |         let sea = Generator::from("Seattle") + gen!(", WA").optional();
[INFO] [stdout]      |                                                ^^^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]  --> src/macros.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | macro_rules! gen {
[INFO] [stdout]   |              ^^^ expected identifier, found reserved keyword
[INFO] [stdout]   |
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]   |
[INFO] [stdout] 2 | macro_rules! r#gen {
[INFO] [stdout]   |              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]    --> src/generator.rs:828:17
[INFO] [stdout]     |
[INFO] [stdout] 828 |     use crate::{gen, oneof};
[INFO] [stdout]     |                 ^^^ expected identifier, found reserved keyword
[INFO] [stdout]     |
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]     |
[INFO] [stdout] 828 |     use crate::{r#gen, oneof};
[INFO] [stdout]     |                 ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found reserved keyword `gen`
[INFO] [stdout]    --> src/generator.rs:955:24
[INFO] [stdout]     |
[INFO] [stdout] 955 |         let foo_opt1 = gen!("foo").optional();
[INFO] [stdout]     |                        ^^^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found reserved keyword `gen`
[INFO] [stdout]    --> src/generator.rs:966:20
[INFO] [stdout]     |
[INFO] [stdout] 966 |         let foo2 = gen!("foo");
[INFO] [stdout]     |                    ^^^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found reserved keyword `gen`
[INFO] [stdout]     --> src/generator.rs:1001:19
[INFO] [stdout]      |
[INFO] [stdout] 1001 |         let foo = gen!("foo").optional();
[INFO] [stdout]      |                   ^^^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found reserved keyword `gen`
[INFO] [stdout]     --> src/generator.rs:1080:48
[INFO] [stdout]      |
[INFO] [stdout] 1080 |         let sea = Generator::from("Seattle") + gen!(", WA").optional();
[INFO] [stdout]      |                                                ^^^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gen`
[INFO] [stdout]    --> src/generator.rs:828:17
[INFO] [stdout]     |
[INFO] [stdout] 828 |     use crate::{gen, oneof};
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `generator-combinator` (lib) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 6 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `generator-combinator` (lib test) due to 7 previous errors; 1 warning emitted
[INFO] [stderr] error: failed to check after updating to 2024
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo check --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "74a49894eb4a24a8740d6310faf9b7c8d3a9143ed04ae8cdf348c01c1045a3ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74a49894eb4a24a8740d6310faf9b7c8d3a9143ed04ae8cdf348c01c1045a3ab", kill_on_drop: false }`
[INFO] [stdout] 74a49894eb4a24a8740d6310faf9b7c8d3a9143ed04ae8cdf348c01c1045a3ab