[INFO] cloning repository https://github.com/acscoder/struct-to-json-db
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/acscoder/struct-to-json-db" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facscoder%2Fstruct-to-json-db", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facscoder%2Fstruct-to-json-db'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 158ace0ea91f9acbb751491502c4a02243d429f5
[INFO] checking acscoder/struct-to-json-db/158ace0ea91f9acbb751491502c4a02243d429f5 against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facscoder%2Fstruct-to-json-db" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/acscoder/struct-to-json-db 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 git repo https://github.com/acscoder/struct-to-json-db
[INFO] finished tweaking git repo https://github.com/acscoder/struct-to-json-db
[INFO] tweaked toml for git repo https://github.com/acscoder/struct-to-json-db written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/acscoder/struct-to-json-db 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] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b801c2ccd0c4fd77da7c424abf08fa7cd5606adf7e0fd1049aae32ca2b2d2048
[INFO] running `Command { std: "docker" "start" "-a" "b801c2ccd0c4fd77da7c424abf08fa7cd5606adf7e0fd1049aae32ca2b2d2048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b801c2ccd0c4fd77da7c424abf08fa7cd5606adf7e0fd1049aae32ca2b2d2048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b801c2ccd0c4fd77da7c424abf08fa7cd5606adf7e0fd1049aae32ca2b2d2048", kill_on_drop: false }`
[INFO] [stdout] b801c2ccd0c4fd77da7c424abf08fa7cd5606adf7e0fd1049aae32ca2b2d2048
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f98b527fc6dc0358fdd5d1b81929b14edf9ede5d393c03fe4f1df7353f5eb387
[INFO] running `Command { std: "docker" "start" "-a" "f98b527fc6dc0358fdd5d1b81929b14edf9ede5d393c03fe4f1df7353f5eb387", 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] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling struct-to-json-db-macro v0.1.6
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking struct-to-json-db v0.1.20 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `struct_to_json_db`
[INFO] [stderr] 
[INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files:
[INFO] [stderr] 
[INFO] [stderr]   * src/lib.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/lib.rs:29:34
[INFO] [stderr]    |
[INFO] [stderr] 29 |     ($first:ident, $second:ident:$second_type: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/lib.rs:47:6
[INFO] [stderr]    |
[INFO] [stderr] 47 |     ($path_str:expr_2021) => {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/lib.rs:133:19
[INFO] [stderr]     |
[INFO] [stderr] 133 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_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/lib.rs:133:55
[INFO] [stderr]     |
[INFO] [stderr] 133 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_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/lib.rs:167:19
[INFO] [stderr]     |
[INFO] [stderr] 167 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr_2021, weight=$weight_val:expr_2021) => {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/lib.rs:167:55
[INFO] [stderr]     |
[INFO] [stderr] 167 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr_2021, weight=$weight_val:expr_2021) => {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/lib.rs:167:85
[INFO] [stderr]     |
[INFO] [stderr] 167 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr_2021, weight=$weight_val:expr_2021) => {
[INFO] [stderr]     |                                                                                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/lib.rs:172:19
[INFO] [stderr]     |
[INFO] [stderr] 172 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr_2021, name=$name_val:expr_2021) => {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/lib.rs:172:55
[INFO] [stderr]     |
[INFO] [stderr] 172 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr_2021, name=$name_val:expr_2021) => {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]   --> src/lib.rs:23:44
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let random_number = rand::thread_rng().gen::<u64>();
[INFO] [stdout]    |                                            ^^^ help: you can use a raw identifier to stay compatible: `r#gen`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
[INFO] [stdout]    = note: `--force-warn keyword-idents-2024` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    --> src/lib.rs:172:83
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/lib.rs:29:47
[INFO] [stdout]    |
[INFO] [stdout] 29 |     ($first:ident, $second:ident:$second_type: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] 29 |     ($first:ident, $second:ident:$second_type:expr_2021) => {
[INFO] [stdout]    |                                               ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/lib.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 |     ($path_str:expr) => {
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 47 |     ($path_str:expr_2021) => {
[INFO] [stdout]    |                ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 172 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr_2021, name=$name_val:expr_2021) => {
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/lib.rs:133:30
[INFO] [stdout]     |
[INFO] [stdout] 133 |     ($first:ident=$first_val:expr, $second:ident=$second_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] 133 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr) => {
[INFO] [stdout]     |                              ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     |                                                                                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/lib.rs:133:62
[INFO] [stdout]     |
[INFO] [stdout] 133 |     ($first:ident=$first_val:expr, $second:ident=$second_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] 133 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr_2021) => {
[INFO] [stdout]     |                                                              ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/lib.rs:167:30
[INFO] [stdout]     |
[INFO] [stdout] 167 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, weight=$weight_val:expr) => {
[INFO] [stdout]     |                              ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 167 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr, weight=$weight_val:expr) => {
[INFO] [stdout]     |                              ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/lib.rs:167:62
[INFO] [stdout]     |
[INFO] [stdout] 167 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, weight=$weight_val:expr) => {
[INFO] [stdout]     |                                                              ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 167 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr_2021, weight=$weight_val:expr) => {
[INFO] [stdout]     |                                                              ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/lib.rs:167:87
[INFO] [stdout]     |
[INFO] [stdout] 167 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, weight=$weight_val:expr) => {
[INFO] [stdout]     |                                                                                       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 167 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, weight=$weight_val:expr_2021) => {
[INFO] [stdout]     |                                                                                       ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/lib.rs:172:30
[INFO] [stdout]     |
[INFO] [stdout] 172 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, name=$name_val:expr) => {
[INFO] [stdout]     |                              ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 172 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr, name=$name_val:expr) => {
[INFO] [stdout]     |                              ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/lib.rs:172:62
[INFO] [stdout]     |
[INFO] [stdout] 172 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, name=$name_val:expr) => {
[INFO] [stdout]     |                                                              ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 172 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr_2021, name=$name_val:expr) => {
[INFO] [stdout]     |                                                              ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/lib.rs:172:83
[INFO] [stdout]     |
[INFO] [stdout] 172 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, name=$name_val:expr) => {
[INFO] [stdout]     |                                                                                   ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 172 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, name=$name_val:expr_2021) => {
[INFO] [stdout]     |                                                                                   ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    --> src/lib.rs:177:19
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/lib.rs:177:30
[INFO] [stdout]     |
[INFO] [stdout] 177 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, name=$name_val:expr,weight=$weight_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] 177 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr, name=$name_val:expr,weight=$weight_val:expr) => {
[INFO] [stdout]     |                              ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/lib.rs:177:62
[INFO] [stdout]     |
[INFO] [stdout] 177 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, name=$name_val:expr,weight=$weight_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] 177 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr_2021, name=$name_val:expr,weight=$weight_val:expr) => {
[INFO] [stdout]     |                                                              ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 177 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr_2021, name=$name_val:expr_2021,weight=$weight_val:expr_2021) => {
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/lib.rs:177:83
[INFO] [stdout]     |
[INFO] [stdout] 177 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, name=$name_val:expr,weight=$weight_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] 177 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, name=$name_val:expr_2021,weight=$weight_val:expr) => {
[INFO] [stdout]     |                                                                                   ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/lib.rs:177:107
[INFO] [stdout]     |
[INFO] [stdout] 177 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, name=$name_val:expr,weight=$weight_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] 177 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, name=$name_val:expr,weight=$weight_val:expr_2021) => {
[INFO] [stdout]     |                                                                                                           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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/lib.rs:177:55
[INFO] [stderr]     |
[INFO] [stderr] 177 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr_2021, name=$name_val:expr_2021,weight=$weight_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/lib.rs:177:83
[INFO] [stderr]     |
[INFO] [stderr] 177 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr_2021, name=$name_val:expr_2021,weight=$weight_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/lib.rs:177:110
[INFO] [stderr]     |
[INFO] [stderr] 177 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr_2021, name=$name_val:expr_2021,weight=$weight_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: aborting due to 14 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] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `struct_to_json_db`
[INFO] [stderr] 
[INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files:
[INFO] [stderr] 
[INFO] [stderr]   * src/lib.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/lib.rs:29:34
[INFO] [stderr]    |
[INFO] [stderr] 29 |     ($first:ident, $second:ident:$second_type: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/lib.rs:47:6
[INFO] [stderr]    |
[INFO] [stderr] 47 |     ($path_str:expr_2021) => {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/lib.rs:133:19
[INFO] [stderr]     |
[INFO] [stderr] 133 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_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] [stdout] warning: `gen` is a keyword in the 2024 edition
[INFO] [stdout]   --> src/lib.rs:23:44
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let random_number = rand::thread_rng().gen::<u64>();
[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] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/lib.rs:29:47
[INFO] [stdout]    |
[INFO] [stdout] 29 |     ($first:ident, $second:ident:$second_type: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] 29 |     ($first:ident, $second:ident:$second_type:expr_2021) => {
[INFO] [stdout]    |                                               ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[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]   --> src/lib.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 |     ($path_str:expr) => {
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 47 |     ($path_str:expr_2021) => {
[INFO] [stdout]    |                ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    --> src/lib.rs:133:55
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/lib.rs:133:30
[INFO] [stdout]     |
[INFO] [stdout] 133 |     ($first:ident=$first_val:expr, $second:ident=$second_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] 133 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr) => {
[INFO] [stdout]     |                              ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/lib.rs:133:62
[INFO] [stdout]     |
[INFO] [stdout] 133 |     ($first:ident=$first_val:expr, $second:ident=$second_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] 133 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr_2021) => {
[INFO] [stdout]     |                                                              ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 133 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr_2021) => {
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/lib.rs:167:30
[INFO] [stdout]     |
[INFO] [stdout] 167 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, weight=$weight_val:expr) => {
[INFO] [stdout]     |                              ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 167 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr, weight=$weight_val:expr) => {
[INFO] [stdout]     |                              ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/lib.rs:167:62
[INFO] [stdout]     |
[INFO] [stdout] 167 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, weight=$weight_val:expr) => {
[INFO] [stdout]     |                                                              ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 167 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr_2021, weight=$weight_val:expr) => {
[INFO] [stdout]     |                                                              ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/lib.rs:167:19
[INFO] [stderr]     |
[INFO] [stderr] 167 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr_2021, weight=$weight_val:expr_2021) => {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/lib.rs:167:87
[INFO] [stdout]     |
[INFO] [stdout] 167 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, weight=$weight_val:expr) => {
[INFO] [stdout]     |                                                                                       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 167 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, weight=$weight_val:expr_2021) => {
[INFO] [stdout]     |                                                                                       ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/lib.rs:172:30
[INFO] [stdout]     |
[INFO] [stdout] 172 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, name=$name_val:expr) => {
[INFO] [stdout]     |                              ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 172 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr, name=$name_val:expr) => {
[INFO] [stdout]     |                              ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/lib.rs:167:55
[INFO] [stderr]     |
[INFO] [stderr] 167 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr_2021, weight=$weight_val:expr_2021) => {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/lib.rs:167:85
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/lib.rs:172:62
[INFO] [stdout]     |
[INFO] [stdout] 172 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, name=$name_val:expr) => {
[INFO] [stdout]     |                                                              ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 172 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr_2021, name=$name_val:expr) => {
[INFO] [stdout]     |                                                              ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/lib.rs:172:83
[INFO] [stdout]     |
[INFO] [stdout] 172 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, name=$name_val:expr) => {
[INFO] [stdout]     |                                                                                   ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 172 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, name=$name_val:expr_2021) => {
[INFO] [stdout]     |                                                                                   ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 167 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr_2021, weight=$weight_val:expr_2021) => {
[INFO] [stderr]     |                                                                                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/lib.rs:177:30
[INFO] [stdout]     |
[INFO] [stdout] 177 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, name=$name_val:expr,weight=$weight_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] 177 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr, name=$name_val:expr,weight=$weight_val:expr) => {
[INFO] [stdout]     |                              ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[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/lib.rs:172:19
[INFO] [stderr]     |
[INFO] [stderr] 172 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr_2021, name=$name_val:expr_2021) => {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/lib.rs:172:55
[INFO] [stderr]     |
[INFO] [stderr] 172 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr_2021, name=$name_val:expr_2021) => {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/lib.rs:177:62
[INFO] [stdout]     |
[INFO] [stdout] 177 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, name=$name_val:expr,weight=$weight_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] 177 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr_2021, name=$name_val:expr,weight=$weight_val:expr) => {
[INFO] [stdout]     |                                                              ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    --> src/lib.rs:172:83
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/lib.rs:177:83
[INFO] [stdout]     |
[INFO] [stdout] 177 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, name=$name_val:expr,weight=$weight_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] 177 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, name=$name_val:expr_2021,weight=$weight_val:expr) => {
[INFO] [stdout]     |                                                                                   ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/lib.rs:177:107
[INFO] [stdout]     |
[INFO] [stdout] 177 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, name=$name_val:expr,weight=$weight_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] 177 |     ($first:ident=$first_val:expr, $second:ident=$second_val:expr, name=$name_val:expr,weight=$weight_val:expr_2021) => {
[INFO] [stdout]     |                                                                                                           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 172 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr_2021, name=$name_val:expr_2021) => {
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     |                                                                                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/lib.rs:177:19
[INFO] [stderr]     |
[INFO] [stderr] 177 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr_2021, name=$name_val:expr_2021,weight=$weight_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/lib.rs:177:55
[INFO] [stderr]     |
[INFO] [stderr] 177 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr_2021, name=$name_val:expr_2021,weight=$weight_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/lib.rs:177:83
[INFO] [stderr]     |
[INFO] [stderr] 177 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr_2021, name=$name_val:expr_2021,weight=$weight_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/lib.rs:177:110
[INFO] [stderr]     |
[INFO] [stderr] 177 |     ($first:ident=$first_val:expr_2021, $second:ident=$second_val:expr_2021, name=$name_val:expr_2021,weight=$weight_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: aborting due to 14 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.20s
[INFO] [stderr] Running `cargo check` to verify 2024
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Checking struct-to-json-db v0.1.20 (/tmp/fixit)
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]   --> src/lib.rs:23:44
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let random_number = rand::thread_rng().gen::<u64>();
[INFO] [stdout]    |                                            ^^^ expected identifier, found reserved keyword
[INFO] [stdout]    |
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let random_number = rand::thread_rng().r#gen::<u64>();
[INFO] [stdout]    |                                            ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found reserved keyword `gen`
[INFO] [stdout]   --> src/lib.rs:23:44
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let random_number = rand::thread_rng().gen::<u64>();
[INFO] [stdout]    |                                            ^^^ expected identifier, found reserved keyword
[INFO] [stdout]    |
[INFO] [stdout] help: escape `gen` to use it as an identifier
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let random_number = rand::thread_rng().r#gen::<u64>();
[INFO] [stdout]    |                                            ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `struct-to-json-db` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `struct-to-json-db` (lib) due to 2 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" "f98b527fc6dc0358fdd5d1b81929b14edf9ede5d393c03fe4f1df7353f5eb387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f98b527fc6dc0358fdd5d1b81929b14edf9ede5d393c03fe4f1df7353f5eb387", kill_on_drop: false }`
[INFO] [stdout] f98b527fc6dc0358fdd5d1b81929b14edf9ede5d393c03fe4f1df7353f5eb387