[INFO] fetching crate prefix-trie 0.5.1...
[INFO] checking prefix-trie-0.5.1 against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2
[INFO] extracting crate prefix-trie 0.5.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate prefix-trie 0.5.1 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 prefix-trie 0.5.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate prefix-trie 0.5.1
[INFO] tweaked toml for crates.io crate prefix-trie 0.5.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate prefix-trie 0.5.1 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d519837f18d0937898aebdcd1b80d7840389c16015a43af80a326263b33ee630
[INFO] running `Command { std: "docker" "start" "-a" "d519837f18d0937898aebdcd1b80d7840389c16015a43af80a326263b33ee630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d519837f18d0937898aebdcd1b80d7840389c16015a43af80a326263b33ee630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d519837f18d0937898aebdcd1b80d7840389c16015a43af80a326263b33ee630", kill_on_drop: false }`
[INFO] [stdout] d519837f18d0937898aebdcd1b80d7840389c16015a43af80a326263b33ee630
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a189ec63b8ed22b2bede9756b8940ded5ff294a811383dae7b1233d970aa05f8
[INFO] running `Command { std: "docker" "start" "-a" "a189ec63b8ed22b2bede9756b8940ded5ff294a811383dae7b1233d970aa05f8", 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]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]     Checking clap_builder v4.4.15
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking ip_network_table-deps-treebitmap v0.5.0
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking is-terminal v0.4.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking prefix-trie v0.5.1 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]        Fixed src/map/iter.rs (5 fixes)
[INFO] [stderr]     Checking clap v4.4.15
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling generic-tests v0.1.2
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]    Migrating benches/benchmark.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed benches/benchmark.rs (3 fixes)
[INFO] [stderr]    Migrating examples/random_access.rs from 2021 edition to 2024
[INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `prefix_trie`
[INFO] [stderr] 
[INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files:
[INFO] [stderr] 
[INFO] [stderr]   * src/test.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/test.rs:132:6
[INFO] [stderr]     |
[INFO] [stderr] 132 |     ($exp:expr_2021, ($($acq:tt),+)) => {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/test.rs:138:6
[INFO] [stderr]     |
[INFO] [stderr] 138 |     ($map:expr_2021, $ip:expr_2021, $val:expr_2021) => {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/test.rs:138:22
[INFO] [stderr]     |
[INFO] [stderr] 138 |     ($map:expr_2021, $ip:expr_2021, $val:expr_2021) => {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/test.rs:138:37
[INFO] [stderr]     |
[INFO] [stderr] 138 |     ($map:expr_2021, $ip:expr_2021, $val:expr_2021) => {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/test.rs:184:6
[INFO] [stderr]     |
[INFO] [stderr] 184 |     ($map:expr_2021, $ip:expr_2021, $lpm:expr_2021, $val:expr_2021) => {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/test.rs:184:22
[INFO] [stderr]     |
[INFO] [stderr] 184 |     ($map:expr_2021, $ip:expr_2021, $lpm:expr_2021, $val:expr_2021) => {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/test.rs:184:37
[INFO] [stderr]     |
[INFO] [stderr] 184 |     ($map:expr_2021, $ip:expr_2021, $lpm:expr_2021, $val:expr_2021) => {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/test.rs:184:53
[INFO] [stderr]     |
[INFO] [stderr] 184 |     ($map:expr_2021, $ip:expr_2021, $lpm:expr_2021, $val:expr_2021) => {
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/test.rs:204:6
[INFO] [stderr]     |
[INFO] [stderr] 204 |     ($map:expr_2021, $ip:literal, $val:literal) => {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/test.rs:211:6
[INFO] [stderr]     |
[INFO] [stderr] 211 |     ($map:expr_2021, $ip:literal, $val:literal) => {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/test.rs:219:6
[INFO] [stderr]     |
[INFO] [stderr] 219 |     ($map: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/test.rs:222:6
[INFO] [stderr]     |
[INFO] [stderr] 222 |     ($map:expr_2021, $(($ip:literal, $val:literal)),*) => {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/test.rs:226:6
[INFO] [stderr]     |
[INFO] [stderr] 226 |     ($map:expr_2021, $exp:expr_2021) => {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/test.rs:226:22
[INFO] [stderr]     |
[INFO] [stderr] 226 |     ($map:expr_2021, $exp:expr_2021) => {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/test.rs:253:6
[INFO] [stderr]     |
[INFO] [stderr] 253 |     ($map: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/test.rs:256:6
[INFO] [stderr]     |
[INFO] [stderr] 256 |     ($map:expr_2021, $(($ip:literal, $val:literal)),*) => {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/test.rs:260:6
[INFO] [stderr]     |
[INFO] [stderr] 260 |     ($map:expr_2021, $exp:expr_2021) => {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/test.rs:616:53
[INFO] [stdout]     |
[INFO] [stdout] 616 |         let prefix = Ipv4Net::new(Ipv4Addr::new(rng.gen(), 0, 0, 0), rng.gen_range(1..=8)).unwrap();
[INFO] [stdout]     |                                                     ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout]     = note: `--force-warn keyword-idents-2024` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/test.rs:260:22
[INFO] [stderr]     |
[INFO] [stderr] 260 |     ($map:expr_2021, $exp:expr_2021) => {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/test.rs:838:19
[INFO] [stderr]     |
[INFO] [stderr] 838 |     ($name:ident, $content:expr_2021, 100) => {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/test.rs:854:19
[INFO] [stderr]     |
[INFO] [stderr] 854 |     ($name:ident, $content:expr_2021, $idx:literal) => {
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/test.rs:621:34
[INFO] [stdout]     |
[INFO] [stdout] 621 |             let value: u32 = rng.gen::<u16>() as u32;
[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] [stderr]     |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/test.rs:652:53
[INFO] [stdout]     |
[INFO] [stdout] 652 |         let prefix = Ipv4Net::new(Ipv4Addr::new(rng.gen(), 0, 0, 0), rng.gen_range(1..=6)).unwrap();
[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] [stderr]     |
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/test.rs:671:53
[INFO] [stdout]     |
[INFO] [stdout] 671 |         let prefix = Ipv4Net::new(Ipv4Addr::new(rng.gen(), 0, 0, 0), rng.gen_range(1..=8)).unwrap();
[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] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/test.rs:676:34
[INFO] [stdout]     |
[INFO] [stdout] 676 |             let value: u32 = rng.gen::<u8>() as u32;
[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] [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/test.rs:862:19
[INFO] [stderr]     |
[INFO] [stderr] 862 |     ($name:ident, $content:expr_2021, $idx:literal, $($others:literal),*) => {
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]    --> src/test.rs:700:53
[INFO] [stdout]     |
[INFO] [stdout] 700 |         let prefix = Ipv4Net::new(Ipv4Addr::new(rng.gen(), 0, 0, 0), rng.gen_range(1..=6)).unwrap();
[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] [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 21 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/test.rs:727:53
[INFO] [stdout]     |
[INFO] [stdout] 727 |         let prefix = Ipv4Net::new(Ipv4Addr::new(rng.gen(), 0, 0, 0), prefix_len).unwrap();
[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/test.rs:731:34
[INFO] [stdout]     |
[INFO] [stdout] 731 |             let value: u32 = rng.gen::<u8>() as u32;
[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/test.rs:741:53
[INFO] [stdout]     |
[INFO] [stdout] 741 |         let prefix = Ipv4Net::new(Ipv4Addr::new(rng.gen(), 0, 0, 0), rng.gen_range(1..=6)).unwrap();
[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/test.rs:762:53
[INFO] [stdout]     |
[INFO] [stdout] 762 |         let prefix = Ipv4Net::new(Ipv4Addr::new(rng.gen(), 0, 0, 0), rng.gen_range(1..=8)).unwrap();
[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/test.rs:814:48
[INFO] [stdout]     |
[INFO] [stdout] 814 |                 Ipv4Net::new(Ipv4Addr::new(rng.gen(), 0, 0, 0), rng.gen_range(1..=8)).unwrap();
[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/test.rs:816:34
[INFO] [stdout]     |
[INFO] [stdout] 816 |             let value: u32 = rng.gen::<u16>() as u32;
[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/test.rs:132:11
[INFO] [stdout]     |
[INFO] [stdout] 132 |     ($exp:expr, ($($acq:tt),+)) => {
[INFO] [stdout]     |           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout]     = note: `--force-warn edition-2024-expr-fragment-specifier` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 132 |     ($exp:expr_2021, ($($acq:tt),+)) => {
[INFO] [stdout]     |           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/test.rs:138:11
[INFO] [stdout]     |
[INFO] [stdout] 138 |     ($map:expr, $ip:expr, $val:expr) => {
[INFO] [stdout]     |           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 138 |     ($map:expr_2021, $ip:expr, $val:expr) => {
[INFO] [stdout]     |           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/test.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |     ($map:expr, $ip:expr, $val:expr) => {
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 138 |     ($map:expr, $ip:expr_2021, $val:expr) => {
[INFO] [stdout]     |                     ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/test.rs:138:32
[INFO] [stdout]     |
[INFO] [stdout] 138 |     ($map:expr, $ip:expr, $val:expr) => {
[INFO] [stdout]     |                                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 138 |     ($map:expr, $ip:expr, $val:expr_2021) => {
[INFO] [stdout]     |                                ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/test.rs:184:11
[INFO] [stdout]     |
[INFO] [stdout] 184 |     ($map:expr, $ip:expr, $lpm:expr, $val:expr) => {
[INFO] [stdout]     |           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 184 |     ($map:expr_2021, $ip:expr, $lpm:expr, $val:expr) => {
[INFO] [stdout]     |           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/test.rs:184:21
[INFO] [stdout]     |
[INFO] [stdout] 184 |     ($map:expr, $ip:expr, $lpm:expr, $val:expr) => {
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 184 |     ($map:expr, $ip:expr_2021, $lpm:expr, $val:expr) => {
[INFO] [stdout]     |                     ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/test.rs:184:32
[INFO] [stdout]     |
[INFO] [stdout] 184 |     ($map:expr, $ip:expr, $lpm:expr, $val:expr) => {
[INFO] [stdout]     |                                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 184 |     ($map:expr, $ip:expr, $lpm:expr_2021, $val:expr) => {
[INFO] [stdout]     |                                ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/test.rs:184:43
[INFO] [stdout]     |
[INFO] [stdout] 184 |     ($map:expr, $ip:expr, $lpm:expr, $val:expr) => {
[INFO] [stdout]     |                                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 184 |     ($map:expr, $ip:expr, $lpm:expr, $val:expr_2021) => {
[INFO] [stdout]     |                                           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/test.rs:204:11
[INFO] [stdout]     |
[INFO] [stdout] 204 |     ($map:expr, $ip:literal, $val:literal) => {
[INFO] [stdout]     |           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 204 |     ($map:expr_2021, $ip:literal, $val:literal) => {
[INFO] [stdout]     |           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/test.rs:211:11
[INFO] [stdout]     |
[INFO] [stdout] 211 |     ($map:expr, $ip:literal, $val:literal) => {
[INFO] [stdout]     |           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 211 |     ($map:expr_2021, $ip:literal, $val:literal) => {
[INFO] [stdout]     |           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/test.rs:219:11
[INFO] [stdout]     |
[INFO] [stdout] 219 |     ($map: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] 219 |     ($map:expr_2021) => {
[INFO] [stdout]     |           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/test.rs:222:11
[INFO] [stdout]     |
[INFO] [stdout] 222 |     ($map:expr, $(($ip:literal, $val:literal)),*) => {
[INFO] [stdout]     |           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 222 |     ($map:expr_2021, $(($ip:literal, $val:literal)),*) => {
[INFO] [stdout]     |           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/test.rs:226:11
[INFO] [stdout]     |
[INFO] [stdout] 226 |     ($map:expr, $exp:expr) => {
[INFO] [stdout]     |           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 226 |     ($map:expr_2021, $exp:expr) => {
[INFO] [stdout]     |           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/test.rs:226:22
[INFO] [stdout]     |
[INFO] [stdout] 226 |     ($map:expr, $exp:expr) => {
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 226 |     ($map:expr, $exp:expr_2021) => {
[INFO] [stdout]     |                      ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/test.rs:253:11
[INFO] [stdout]     |
[INFO] [stdout] 253 |     ($map: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] 253 |     ($map:expr_2021) => {
[INFO] [stdout]     |           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/test.rs:256:11
[INFO] [stdout]     |
[INFO] [stdout] 256 |     ($map:expr, $(($ip:literal, $val:literal)),*) => {
[INFO] [stdout]     |           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 256 |     ($map:expr_2021, $(($ip:literal, $val:literal)),*) => {
[INFO] [stdout]     |           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/test.rs:260:11
[INFO] [stdout]     |
[INFO] [stdout] 260 |     ($map:expr, $exp:expr) => {
[INFO] [stdout]     |           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 260 |     ($map:expr_2021, $exp:expr) => {
[INFO] [stdout]     |           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/test.rs:260:22
[INFO] [stdout]     |
[INFO] [stdout] 260 |     ($map:expr, $exp:expr) => {
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 260 |     ($map:expr, $exp:expr_2021) => {
[INFO] [stdout]     |                      ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/test.rs:838:28
[INFO] [stdout]     |
[INFO] [stdout] 838 |     ($name:ident, $content:expr, 100) => {
[INFO] [stdout]     |                            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 838 |     ($name:ident, $content:expr_2021, 100) => {
[INFO] [stdout]     |                            ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/test.rs:854:28
[INFO] [stdout]     |
[INFO] [stdout] 854 |     ($name:ident, $content:expr, $idx:literal) => {
[INFO] [stdout]     |                            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 854 |     ($name:ident, $content:expr_2021, $idx:literal) => {
[INFO] [stdout]     |                            ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/test.rs:862:28
[INFO] [stdout]     |
[INFO] [stdout] 862 |     ($name:ident, $content:expr, $idx:literal, $($others:literal),*) => {
[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] 862 |     ($name:ident, $content:expr_2021, $idx:literal, $($others:literal),*) => {
[INFO] [stdout]     |                            ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed examples/random_access.rs (2 fixes)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.26s
[INFO] [stderr] Running `cargo check` to verify 2024
[INFO] [stderr]     Checking prefix-trie v0.5.1 (/tmp/fixit)
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]    --> src/test.rs:616:53
[INFO] [stdout]     |
[INFO] [stdout] 616 |         let prefix = Ipv4Net::new(Ipv4Addr::new(rng.gen(), 0, 0, 0), rng.gen_range(1..=8)).unwrap();
[INFO] [stdout]     |                                                     ^^^ expected identifier, found reserved keyword
[INFO] [stdout]     |
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]     |
[INFO] [stdout] 616 |         let prefix = Ipv4Net::new(Ipv4Addr::new(rng.r#gen(), 0, 0, 0), rng.gen_range(1..=8)).unwrap();
[INFO] [stdout]     |                                                     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]    --> src/test.rs:621:34
[INFO] [stdout]     |
[INFO] [stdout] 621 |             let value: u32 = rng.gen::<u16>() as u32;
[INFO] [stdout]     |                                  ^^^ expected identifier, found reserved keyword
[INFO] [stdout]     |
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]     |
[INFO] [stdout] 621 |             let value: u32 = rng.r#gen::<u16>() as u32;
[INFO] [stdout]     |                                  ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]    --> src/test.rs:652:53
[INFO] [stdout]     |
[INFO] [stdout] 652 |         let prefix = Ipv4Net::new(Ipv4Addr::new(rng.gen(), 0, 0, 0), rng.gen_range(1..=6)).unwrap();
[INFO] [stdout]     |                                                     ^^^ expected identifier, found reserved keyword
[INFO] [stdout]     |
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]     |
[INFO] [stdout] 652 |         let prefix = Ipv4Net::new(Ipv4Addr::new(rng.r#gen(), 0, 0, 0), rng.gen_range(1..=6)).unwrap();
[INFO] [stdout]     |                                                     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]    --> src/test.rs:671:53
[INFO] [stdout]     |
[INFO] [stdout] 671 |         let prefix = Ipv4Net::new(Ipv4Addr::new(rng.gen(), 0, 0, 0), rng.gen_range(1..=8)).unwrap();
[INFO] [stdout]     |                                                     ^^^ expected identifier, found reserved keyword
[INFO] [stdout]     |
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]     |
[INFO] [stdout] 671 |         let prefix = Ipv4Net::new(Ipv4Addr::new(rng.r#gen(), 0, 0, 0), rng.gen_range(1..=8)).unwrap();
[INFO] [stdout]     |                                                     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]    --> src/test.rs:676:34
[INFO] [stdout]     |
[INFO] [stdout] 676 |             let value: u32 = rng.gen::<u8>() as u32;
[INFO] [stdout]     |                                  ^^^ expected identifier, found reserved keyword
[INFO] [stdout]     |
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]     |
[INFO] [stdout] 676 |             let value: u32 = rng.r#gen::<u8>() as u32;
[INFO] [stdout]     |                                  ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]    --> src/test.rs:700:53
[INFO] [stdout]     |
[INFO] [stdout] 700 |         let prefix = Ipv4Net::new(Ipv4Addr::new(rng.gen(), 0, 0, 0), rng.gen_range(1..=6)).unwrap();
[INFO] [stdout]     |                                                     ^^^ expected identifier, found reserved keyword
[INFO] [stdout]     |
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]     |
[INFO] [stdout] 700 |         let prefix = Ipv4Net::new(Ipv4Addr::new(rng.r#gen(), 0, 0, 0), rng.gen_range(1..=6)).unwrap();
[INFO] [stdout]     |                                                     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]    --> src/test.rs:727:53
[INFO] [stdout]     |
[INFO] [stdout] 727 |         let prefix = Ipv4Net::new(Ipv4Addr::new(rng.gen(), 0, 0, 0), prefix_len).unwrap();
[INFO] [stdout]     |                                                     ^^^ expected identifier, found reserved keyword
[INFO] [stdout]     |
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]     |
[INFO] [stdout] 727 |         let prefix = Ipv4Net::new(Ipv4Addr::new(rng.r#gen(), 0, 0, 0), prefix_len).unwrap();
[INFO] [stdout]     |                                                     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]    --> src/test.rs:731:34
[INFO] [stdout]     |
[INFO] [stdout] 731 |             let value: u32 = rng.gen::<u8>() as u32;
[INFO] [stdout]     |                                  ^^^ expected identifier, found reserved keyword
[INFO] [stdout]     |
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]     |
[INFO] [stdout] 731 |             let value: u32 = rng.r#gen::<u8>() as u32;
[INFO] [stdout]     |                                  ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]    --> src/test.rs:741:53
[INFO] [stdout]     |
[INFO] [stdout] 741 |         let prefix = Ipv4Net::new(Ipv4Addr::new(rng.gen(), 0, 0, 0), rng.gen_range(1..=6)).unwrap();
[INFO] [stdout]     |                                                     ^^^ expected identifier, found reserved keyword
[INFO] [stdout]     |
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]     |
[INFO] [stdout] 741 |         let prefix = Ipv4Net::new(Ipv4Addr::new(rng.r#gen(), 0, 0, 0), rng.gen_range(1..=6)).unwrap();
[INFO] [stdout]     |                                                     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]    --> src/test.rs:762:53
[INFO] [stdout]     |
[INFO] [stdout] 762 |         let prefix = Ipv4Net::new(Ipv4Addr::new(rng.gen(), 0, 0, 0), rng.gen_range(1..=8)).unwrap();
[INFO] [stdout]     |                                                     ^^^ expected identifier, found reserved keyword
[INFO] [stdout]     |
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]     |
[INFO] [stdout] 762 |         let prefix = Ipv4Net::new(Ipv4Addr::new(rng.r#gen(), 0, 0, 0), rng.gen_range(1..=8)).unwrap();
[INFO] [stdout]     |                                                     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]    --> src/test.rs:814:48
[INFO] [stdout]     |
[INFO] [stdout] 814 |                 Ipv4Net::new(Ipv4Addr::new(rng.gen(), 0, 0, 0), rng.gen_range(1..=8)).unwrap();
[INFO] [stdout]     |                                                ^^^ expected identifier, found reserved keyword
[INFO] [stdout]     |
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]     |
[INFO] [stdout] 814 |                 Ipv4Net::new(Ipv4Addr::new(rng.r#gen(), 0, 0, 0), rng.gen_range(1..=8)).unwrap();
[INFO] [stdout]     |                                                ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]    --> src/test.rs:816:34
[INFO] [stdout]     |
[INFO] [stdout] 816 |             let value: u32 = rng.gen::<u16>() as u32;
[INFO] [stdout]     |                                  ^^^ expected identifier, found reserved keyword
[INFO] [stdout]     |
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]     |
[INFO] [stdout] 816 |             let value: u32 = rng.r#gen::<u16>() as u32;
[INFO] [stdout]     |                                  ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prefix-trie` (lib test) due to 13 previous errors
[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" "a189ec63b8ed22b2bede9756b8940ded5ff294a811383dae7b1233d970aa05f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a189ec63b8ed22b2bede9756b8940ded5ff294a811383dae7b1233d970aa05f8", kill_on_drop: false }`
[INFO] [stdout] a189ec63b8ed22b2bede9756b8940ded5ff294a811383dae7b1233d970aa05f8