[INFO] fetching crate starling 4.0.0...
[INFO] checking starling-4.0.0 against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2
[INFO] extracting crate starling 4.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate starling 4.0.0 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 starling 4.0.0
[INFO] finished tweaking crates.io crate starling 4.0.0
[INFO] tweaked toml for crates.io crate starling 4.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate starling 4.0.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61149cb74fa254b14e877df26cb539c1776fbb8dd01308fab3d71157bb97401f
[INFO] running `Command { std: "docker" "start" "-a" "61149cb74fa254b14e877df26cb539c1776fbb8dd01308fab3d71157bb97401f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61149cb74fa254b14e877df26cb539c1776fbb8dd01308fab3d71157bb97401f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61149cb74fa254b14e877df26cb539c1776fbb8dd01308fab3d71157bb97401f", kill_on_drop: false }`
[INFO] [stdout] 61149cb74fa254b14e877df26cb539c1776fbb8dd01308fab3d71157bb97401f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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] 65cbdc05a52f56eef854e909a0099c7717cd1fc9fb656506c21ff2fc7020d614
[INFO] running `Command { std: "docker" "start" "-a" "65cbdc05a52f56eef854e909a0099c7717cd1fc9fb656506c21ff2fc7020d614", 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 (17 fixes)
[INFO] [stderr]    Compiling semver v1.0.12
[INFO] [stderr]    Compiling serde v1.0.138
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.138
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling starling v4.0.0 (/tmp/fixit)
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Migrating build.rs from 2021 edition to 2024
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]        Fixed src/merkle_bit.rs (8 fixes)
[INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024
[INFO] [stdout]    --> src/merkle_bit.rs:103:15
[INFO] [stdout]     |
[INFO] [stdout] 103 |         while let Some(tree_cell) = cell_queue.pop_front() {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^----------------------
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     this value has a significant drop implementation which may observe a major change in drop order and requires your discretion
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #124085 <https://github.com/rust-lang/rust/issues/124085>
[INFO] [stdout] help: the value is now dropped here in Edition 2024
[INFO] [stdout]    --> src/merkle_bit.rs:153:9
[INFO] [stdout]     |
[INFO] [stdout] 153 |         }
[INFO] [stdout]     |         ^
[INFO] [stdout]     = note: `--force-warn if-let-rescope` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024
[INFO] [stdout]    --> src/merkle_bit.rs:258:15
[INFO] [stdout]     |
[INFO] [stdout] 258 |         while let Some(tree_cell) = cell_queue.pop_front() {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^----------------------
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     this value has a significant drop implementation which may observe a major change in drop order and requires your discretion
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #124085 <https://github.com/rust-lang/rust/issues/124085>
[INFO] [stdout] help: the value is now dropped here in Edition 2024
[INFO] [stdout]    --> src/merkle_bit.rs:345:9
[INFO] [stdout]     |
[INFO] [stdout] 345 |         }
[INFO] [stdout]     |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]    Migrating benches/merkle_bit_benches.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed benches/merkle_bit_benches.rs (1 fix)
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]     --> src/merkle_bit.rs:1081:14
[INFO] [stdout]      |
[INFO] [stdout] 1081 |         for &res in result.0 {
[INFO] [stdout]      |              ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating tests/merkle_bit.rs from 2021 edition to 2024
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]     --> src/merkle_bit.rs:1085:14
[INFO] [stdout]      |
[INFO] [stdout] 1085 |         for &res in result.1 {
[INFO] [stdout]      |              ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]     --> src/merkle_bit.rs:1111:14
[INFO] [stdout]      |
[INFO] [stdout] 1111 |         for &res in result.0 {
[INFO] [stdout]      |              ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]     --> src/merkle_bit.rs:1115:14
[INFO] [stdout]      |
[INFO] [stdout] 1115 |         for &res in result.1 {
[INFO] [stdout]      |              ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024
[INFO] [stdout]    --> src/merkle_bit.rs:103:15
[INFO] [stdout]     |
[INFO] [stdout] 103 |         while let Some(tree_cell) = cell_queue.pop_front() {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^----------------------
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     this value has a significant drop implementation which may observe a major change in drop order and requires your discretion
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #124085 <https://github.com/rust-lang/rust/issues/124085>
[INFO] [stdout] help: the value is now dropped here in Edition 2024
[INFO] [stdout]    --> src/merkle_bit.rs:153:9
[INFO] [stdout]     |
[INFO] [stdout] 153 |         }
[INFO] [stdout]     |         ^
[INFO] [stdout]     = note: `--force-warn if-let-rescope` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024
[INFO] [stdout]    --> src/merkle_bit.rs:258:15
[INFO] [stdout]     |
[INFO] [stdout] 258 |         while let Some(tree_cell) = cell_queue.pop_front() {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^----------------------
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     this value has a significant drop implementation which may observe a major change in drop order and requires your discretion
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #124085 <https://github.com/rust-lang/rust/issues/124085>
[INFO] [stdout] help: the value is now dropped here in Edition 2024
[INFO] [stdout]    --> src/merkle_bit.rs:345:9
[INFO] [stdout]     |
[INFO] [stdout] 345 |         }
[INFO] [stdout]     |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating examples/main.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating benches/big_benches.rs from 2021 edition to 2024
[INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `merkle_bit`
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]   --> tests/merkle_bit.rs:49:74
[INFO] [stdout]    |
[INFO] [stdout] 49 |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[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] after fixes were automatically applied the compiler reported errors within these files:
[INFO] [stderr] 
[INFO] [stderr]   * tests/merkle_bit.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] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]     --> tests/merkle_bit.rs:1554:55
[INFO] [stdout]      |
[INFO] [stdout] 1554 |             let data_value = (0..KEY_LEN).map(|_| rng.gen()).collect();
[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] 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]   --> tests/merkle_bit.rs:24:29
[INFO] [stderr]    |
[INFO] [stderr] 24 |         ($func_name: ident, $key_size: expr_2021, $seed: expr_2021, $num_entries: expr_2021, $num_entries_groestl: expr_2021) => {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> tests/merkle_bit.rs:24:40
[INFO] [stdout]    |
[INFO] [stdout] 24 |         ($func_name: ident, $key_size: expr, $seed: expr, $num_entries: expr, $num_entries_groestl: expr) => {
[INFO] [stdout]    |                                        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout]    = note: `--force-warn edition-2024-expr-fragment-specifier` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 24 |         ($func_name: ident, $key_size: expr_2021, $seed: expr, $num_entries: expr, $num_entries_groestl: expr) => {
[INFO] [stdout]    |                                        ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   --> tests/merkle_bit.rs:24:51
[INFO] [stderr]    |
[INFO] [stderr] 24 |         ($func_name: ident, $key_size: expr_2021, $seed: expr_2021, $num_entries: expr_2021, $num_entries_groestl: expr_2021) => {
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> tests/merkle_bit.rs:24:53
[INFO] [stdout]    |
[INFO] [stdout] 24 |         ($func_name: ident, $key_size: expr, $seed: expr, $num_entries: expr, $num_entries_groestl: expr) => {
[INFO] [stdout]    |                                                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 24 |         ($func_name: ident, $key_size: expr, $seed: expr_2021, $num_entries: expr, $num_entries_groestl: expr) => {
[INFO] [stdout]    |                                                     ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]   --> tests/merkle_bit.rs:24:69
[INFO] [stderr]    |
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> tests/merkle_bit.rs:24:73
[INFO] [stdout]    |
[INFO] [stdout] 24 |         ($func_name: ident, $key_size: expr, $seed: expr, $num_entries: expr, $num_entries_groestl: expr) => {
[INFO] [stdout]    |                                                                         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 24 |         ($func_name: ident, $key_size: expr, $seed: expr, $num_entries: expr_2021, $num_entries_groestl: expr) => {
[INFO] [stdout]    |                                                                         ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 24 |         ($func_name: ident, $key_size: expr_2021, $seed: expr_2021, $num_entries: expr_2021, $num_entries_groestl: expr_2021) => {
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]   --> tests/merkle_bit.rs:24:94
[INFO] [stderr]    |
[INFO] [stderr] 24 |         ($func_name: ident, $key_size: expr_2021, $seed: expr_2021, $num_entries: expr_2021, $num_entries_groestl: expr_2021) => {
[INFO] [stderr]    |                                                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> tests/merkle_bit.rs:24:101
[INFO] [stdout]    |
[INFO] [stdout] 24 |         ($func_name: ident, $key_size: expr, $seed: expr, $num_entries: expr, $num_entries_groestl: expr) => {
[INFO] [stdout]    |                                                                                                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 24 |         ($func_name: ident, $key_size: expr, $seed: expr, $num_entries: expr, $num_entries_groestl: expr_2021) => {
[INFO] [stdout]    |                                                                                                     ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Original diagnostics will follow.
[INFO] [stderr] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.24s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr] Running `cargo check` to verify 2024
[INFO] [stderr]    Compiling starling v4.0.0 (/tmp/fixit)
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]     --> src/merkle_bit.rs:1081:14
[INFO] [stdout]      |
[INFO] [stdout] 1081 |         for &res in result.0 {
[INFO] [stdout]      |              ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]     --> src/merkle_bit.rs:1085:14
[INFO] [stdout]      |
[INFO] [stdout] 1085 |         for &res in result.1 {
[INFO] [stdout]      |              ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]     --> src/merkle_bit.rs:1111:14
[INFO] [stdout]      |
[INFO] [stdout] 1111 |         for &res in result.0 {
[INFO] [stdout]      |              ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]     --> src/merkle_bit.rs:1115:14
[INFO] [stdout]      |
[INFO] [stdout] 1115 |         for &res in result.1 {
[INFO] [stdout]      |              ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:1554:55
[INFO] [stdout]      |
[INFO] [stdout] 1554 |             let data_value = (0..KEY_LEN).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                       ^^^ expected identifier, found reserved keyword
[INFO] [stdout]      |
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 1554 |             let data_value = (0..KEY_LEN).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                          ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1417 |     test_key_size!(it_handles_key_size_of_two, 2, [0x94u8; 32], 16, 16);
[INFO] [stdout]      |     ------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                          ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1418 |     test_key_size!(it_handles_key_size_of_three, 3, [0x95u8; 32], 32, 32);
[INFO] [stdout]      |     --------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                          ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1419 |     test_key_size!(it_handles_key_size_of_four, 4, [0x96u8; 32], 64, 64);
[INFO] [stdout]      |     -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                          ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1420 |     test_key_size!(it_handles_key_size_of_five, 5, [0x97u8; 32], 128, 128);
[INFO] [stdout]      |     ---------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                          ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1421 |     test_key_size!(it_handles_key_size_of_six, 6, [0x98u8; 32], 256, 256);
[INFO] [stdout]      |     --------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                          ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1422 |     test_key_size!(it_handles_key_size_of_seven, 7, [0x99u8; 32], 512, 512);
[INFO] [stdout]      |     ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                          ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1423 |     test_key_size!(it_handles_key_size_of_eight, 8, [0x9Au8; 32], 1024, 512);
[INFO] [stdout]      |     ------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                          ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1424 |     test_key_size!(it_handles_key_size_of_nine, 9, [0x9Bu8; 32], 2048, 512);
[INFO] [stdout]      |     ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                          ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1425 |     test_key_size!(it_handles_key_size_of_ten, 10, [0x9Cu8; 32], 4096, 512);
[INFO] [stdout]      |     ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                          ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1426 |     test_key_size!(it_handles_key_size_of_eleven, 11, [0x9Du8; 32], 4096, 512);
[INFO] [stdout]      |     -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                          ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1427 |     test_key_size!(it_handles_key_size_of_twelve, 12, [0x9Eu8; 32], 4096, 512);
[INFO] [stdout]      |     -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                          ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1428 |     test_key_size!(it_handles_key_size_of_thirteen, 13, [0x9Fu8; 32], 4096, 512);
[INFO] [stdout]      |     ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                          ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1429 |     test_key_size!(it_handles_key_size_of_fourteen, 14, [0xA0u8; 32], 4096, 512);
[INFO] [stdout]      |     ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                          ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1430 |     test_key_size!(it_handles_key_size_of_fifteen, 15, [0xA1u8; 32], 4096, 512);
[INFO] [stdout]      |     --------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                          ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1431 |     test_key_size!(it_handles_key_size_of_sixteen, 16, [0xA2u8; 32], 4096, 512);
[INFO] [stdout]      |     --------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                       let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                            ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1432 | /     test_key_size!(
[INFO] [stdout] 1433 | |         it_handles_key_size_of_seventeen,
[INFO] [stdout] 1434 | |         17,
[INFO] [stdout] 1435 | |         [0xA3u8; 32],
[INFO] [stdout] 1436 | |         4096,
[INFO] [stdout] 1437 | |         512
[INFO] [stdout] 1438 | |     );
[INFO] [stdout]      | |_____- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                          ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1439 |     test_key_size!(it_handles_key_size_of_eighteen, 18, [0xA4u8; 32], 4096, 512);
[INFO] [stdout]      |     ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                          ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1440 |     test_key_size!(it_handles_key_size_of_nineteen, 19, [0xA5u8; 32], 4096, 512);
[INFO] [stdout]      |     ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                          ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1441 |     test_key_size!(it_handles_key_size_of_twenty, 20, [0xA6u8; 32], 4096, 512);
[INFO] [stdout]      |     -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                       let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                            ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1442 | /     test_key_size!(
[INFO] [stdout] 1443 | |         it_handles_key_size_of_twenty_one,
[INFO] [stdout] 1444 | |         21,
[INFO] [stdout] 1445 | |         [0xA7u8; 32],
[INFO] [stdout] 1446 | |         4096,
[INFO] [stdout] 1447 | |         512
[INFO] [stdout] 1448 | |     );
[INFO] [stdout]      | |_____- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                       let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                            ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1449 | /     test_key_size!(
[INFO] [stdout] 1450 | |         it_handles_key_size_of_twenty_two,
[INFO] [stdout] 1451 | |         22,
[INFO] [stdout] 1452 | |         [0xA8u8; 32],
[INFO] [stdout] 1453 | |         4096,
[INFO] [stdout] 1454 | |         512
[INFO] [stdout] 1455 | |     );
[INFO] [stdout]      | |_____- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                       let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                            ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1456 | /     test_key_size!(
[INFO] [stdout] 1457 | |         it_handles_key_size_of_twenty_three,
[INFO] [stdout] 1458 | |         23,
[INFO] [stdout] 1459 | |         [0xA9u8; 32],
[INFO] [stdout] 1460 | |         4096,
[INFO] [stdout] 1461 | |         512
[INFO] [stdout] 1462 | |     );
[INFO] [stdout]      | |_____- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                       let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                            ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1463 | /     test_key_size!(
[INFO] [stdout] 1464 | |         it_handles_key_size_of_twenty_four,
[INFO] [stdout] 1465 | |         24,
[INFO] [stdout] 1466 | |         [0xAAu8; 32],
[INFO] [stdout] 1467 | |         4096,
[INFO] [stdout] 1468 | |         512
[INFO] [stdout] 1469 | |     );
[INFO] [stdout]      | |_____- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                       let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                            ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1470 | /     test_key_size!(
[INFO] [stdout] 1471 | |         it_handles_key_size_of_twenty_five,
[INFO] [stdout] 1472 | |         25,
[INFO] [stdout] 1473 | |         [0xABu8; 32],
[INFO] [stdout] 1474 | |         4096,
[INFO] [stdout] 1475 | |         512
[INFO] [stdout] 1476 | |     );
[INFO] [stdout]      | |_____- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                       let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                            ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1477 | /     test_key_size!(
[INFO] [stdout] 1478 | |         it_handles_key_size_of_twenty_six,
[INFO] [stdout] 1479 | |         26,
[INFO] [stdout] 1480 | |         [0xACu8; 32],
[INFO] [stdout] 1481 | |         4096,
[INFO] [stdout] 1482 | |         512
[INFO] [stdout] 1483 | |     );
[INFO] [stdout]      | |_____- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                       let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                            ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1484 | /     test_key_size!(
[INFO] [stdout] 1485 | |         it_handles_key_size_of_twenty_seven,
[INFO] [stdout] 1486 | |         27,
[INFO] [stdout] 1487 | |         [0xADu8; 32],
[INFO] [stdout] 1488 | |         4096,
[INFO] [stdout] 1489 | |         512
[INFO] [stdout] 1490 | |     );
[INFO] [stdout]      | |_____- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                       let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                            ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1491 | /     test_key_size!(
[INFO] [stdout] 1492 | |         it_handles_key_size_of_twenty_eight,
[INFO] [stdout] 1493 | |         28,
[INFO] [stdout] 1494 | |         [0xAEu8; 32],
[INFO] [stdout] 1495 | |         4096,
[INFO] [stdout] 1496 | |         512
[INFO] [stdout] 1497 | |     );
[INFO] [stdout]      | |_____- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                       let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                            ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1498 | /     test_key_size!(
[INFO] [stdout] 1499 | |         it_handles_key_size_of_twenty_nine,
[INFO] [stdout] 1500 | |         29,
[INFO] [stdout] 1501 | |         [0xAFu8; 32],
[INFO] [stdout] 1502 | |         4096,
[INFO] [stdout] 1503 | |         512
[INFO] [stdout] 1504 | |     );
[INFO] [stdout]      | |_____- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                          ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1505 |     test_key_size!(it_handles_key_size_of_thirty, 30, [0xB0u8; 32], 4096, 512);
[INFO] [stdout]      |     -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                       let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                            ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1506 | /     test_key_size!(
[INFO] [stdout] 1507 | |         it_handles_key_size_of_thirty_one,
[INFO] [stdout] 1508 | |         31,
[INFO] [stdout] 1509 | |         [0xB1u8; 32],
[INFO] [stdout] 1510 | |         4096,
[INFO] [stdout] 1511 | |         512
[INFO] [stdout] 1512 | |     );
[INFO] [stdout]      | |_____- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                       let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                            ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1513 | /     test_key_size!(
[INFO] [stdout] 1514 | |         it_handles_key_size_of_thirty_two,
[INFO] [stdout] 1515 | |         32,
[INFO] [stdout] 1516 | |         [0xB2u8; 32],
[INFO] [stdout] 1517 | |         4096,
[INFO] [stdout] 1518 | |         512
[INFO] [stdout] 1519 | |     );
[INFO] [stdout]      | |_____- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]     --> tests/merkle_bit.rs:49:74
[INFO] [stdout]      |
[INFO] [stdout] 49   |                       let data_value: Vec<u8> = (0..$key_size).map(|_| rng.gen()).collect();
[INFO] [stdout]      |                                                                            ^^^ expected identifier, found reserved keyword
[INFO] [stdout] ...
[INFO] [stdout] 1520 | /     test_key_size!(
[INFO] [stdout] 1521 | |         it_handles_key_size_of_thirty_three,
[INFO] [stdout] 1522 | |         33,
[INFO] [stdout] 1523 | |         [0xB2u8; 32],
[INFO] [stdout] 1524 | |         4096,
[INFO] [stdout] 1525 | |         512
[INFO] [stdout] 1526 | |     );
[INFO] [stdout]      | |_____- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `test_key_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let data_value: Vec<u8> = (0..$key_size).map(|_| rng.r#gen()).collect();
[INFO] [stdout]      |                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 33 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `starling` (test "merkle_bit") due to 34 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" "65cbdc05a52f56eef854e909a0099c7717cd1fc9fb656506c21ff2fc7020d614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65cbdc05a52f56eef854e909a0099c7717cd1fc9fb656506c21ff2fc7020d614", kill_on_drop: false }`
[INFO] [stdout] 65cbdc05a52f56eef854e909a0099c7717cd1fc9fb656506c21ff2fc7020d614