[INFO] fetching crate mun_capi_utils 0.4.0...
[INFO] checking mun_capi_utils-0.4.0 against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2
[INFO] extracting crate mun_capi_utils 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate mun_capi_utils 0.4.0 on toolchain ccf408f4326a858c00dd845a64a86b16f360a801
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mun_capi_utils 0.4.0
[INFO] finished tweaking crates.io crate mun_capi_utils 0.4.0
[INFO] tweaked toml for crates.io crate mun_capi_utils 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.13.1 (available: v0.22.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding ron v0.7.1 (available: v0.8.1)
[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] a3936c8e2594d6ab4ee31cdfb8ca5eea2b80d01f41b04c51e087e628db564e8d
[INFO] running `Command { std: "docker" "start" "-a" "a3936c8e2594d6ab4ee31cdfb8ca5eea2b80d01f41b04c51e087e628db564e8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3936c8e2594d6ab4ee31cdfb8ca5eea2b80d01f41b04c51e087e628db564e8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3936c8e2594d6ab4ee31cdfb8ca5eea2b80d01f41b04c51e087e628db564e8d", kill_on_drop: false }`
[INFO] [stdout] a3936c8e2594d6ab4ee31cdfb8ca5eea2b80d01f41b04c51e087e628db564e8d
[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] 97d29f77061ef587d3d9b5c1fa4d923a862832f59a9d02e26dd3342ca1565da4
[INFO] running `Command { std: "docker" "start" "-a" "97d29f77061ef587d3d9b5c1fa4d923a862832f59a9d02e26dd3342ca1565da4", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Migrating Cargo.toml from 2021 edition to 2024
[INFO] [stderr]        Fixed Cargo.toml (1 fix)
[INFO] [stderr]     Checking mun_capi_utils v0.4.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `mun_capi_utils`
[INFO] [stdout] warning: unsafe attribute used without unsafe
[INFO] [stdout]   --> src/error.rs:66:3
[INFO] [stdout]    |
[INFO] [stdout] 66 | #[no_mangle]
[INFO] [stdout]    |   ^^^^^^^^^ usage of unsafe attribute
[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 #123757 <https://github.com/rust-lang/rust/issues/123757>
[INFO] [stdout]    = note: `--force-warn unsafe-attr-outside-unsafe` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]    |
[INFO] [stdout] 66 | #[unsafe(no_mangle)]
[INFO] [stdout]    |   +++++++         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] warning: unsafe attribute used without unsafe
[INFO] [stdout]   --> src/lib.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[no_mangle]
[INFO] [stdout]    |   ^^^^^^^^^ usage of unsafe attribute
[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 #123757 <https://github.com/rust-lang/rust/issues/123757>
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[unsafe(no_mangle)]
[INFO] [stdout]    |   +++++++         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files:
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/error.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     ($expr:expr $(,)?) => {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout]    = note: `--force-warn edition-2024-expr-fragment-specifier` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 75 |     ($expr:expr_2021 $(,)?) => {
[INFO] [stdout]    |            ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/error.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |     ($expr:expr $(,)?) => {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 87 |     ($expr:expr_2021 $(,)?) => {
[INFO] [stdout]    |            ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   * src/error.rs
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/error.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |     ($expr:expr $(,)?) => {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 103 |     ($expr:expr_2021 $(,)?) => {
[INFO] [stdout]     |            ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   * src/lib.rs
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/error.rs:119:12
[INFO] [stdout]     |
[INFO] [stdout] 119 |     ($expr:expr $(,)?) => {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 119 |     ($expr:expr_2021 $(,)?) => {
[INFO] [stdout]     |            ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/lib.rs:42:27
[INFO] [stdout]    |
[INFO] [stdout] 42 |     ($fun:ident ( $handle:expr, $($arg:ident),+ $(,)?)) => {
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 42 |     ($fun:ident ( $handle:expr_2021, $($arg:ident),+ $(,)?)) => {
[INFO] [stdout]    |                           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] This likely indicates a bug in either rustc or cargo itself,
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/lib.rs:55:27
[INFO] [stdout]    |
[INFO] [stdout] 55 |     ($fun:ident ( $handle:expr, $arg1:expr, $($arg:ident),+ $(,)?)) => {
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 55 |     ($fun:ident ( $handle:expr_2021, $arg1:expr, $($arg:ident),+ $(,)?)) => {
[INFO] [stdout]    |                           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] and we would appreciate a bug report! You're likely to see
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/lib.rs:55:39
[INFO] [stdout]    |
[INFO] [stdout] 55 |     ($fun:ident ( $handle:expr, $arg1:expr, $($arg:ident),+ $(,)?)) => {
[INFO] [stdout]    |                                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 55 |     ($fun:ident ( $handle:expr, $arg1:expr_2021, $($arg:ident),+ $(,)?)) => {
[INFO] [stdout]    |                                       ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] a number of compiler warnings after this message which cargo
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/lib.rs:68:27
[INFO] [stdout]    |
[INFO] [stdout] 68 |     ($fun:ident ( $handle:expr, $arg1:expr, $arg2:expr, $($arg:ident),+ $(,)?)) => {
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 68 |     ($fun:ident ( $handle:expr_2021, $arg1:expr, $arg2:expr, $($arg:ident),+ $(,)?)) => {
[INFO] [stdout]    |                           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] attempted to fix but failed. If you could open an issue at
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/lib.rs:68:39
[INFO] [stdout]    |
[INFO] [stdout] 68 |     ($fun:ident ( $handle:expr, $arg1:expr, $arg2:expr, $($arg:ident),+ $(,)?)) => {
[INFO] [stdout]    |                                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 68 |     ($fun:ident ( $handle:expr, $arg1:expr_2021, $arg2:expr, $($arg:ident),+ $(,)?)) => {
[INFO] [stdout]    |                                       ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] https://github.com/rust-lang/rust/issues
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/lib.rs:68:51
[INFO] [stdout]    |
[INFO] [stdout] 68 |     ($fun:ident ( $handle:expr, $arg1:expr, $arg2:expr, $($arg:ident),+ $(,)?)) => {
[INFO] [stdout]    |                                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 68 |     ($fun:ident ( $handle:expr, $arg1:expr, $arg2:expr_2021, $($arg:ident),+ $(,)?)) => {
[INFO] [stdout]    |                                                   ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] quoting the full output of this command we'd be very appreciative!
[INFO] [stdout] warning[E0133]: call to unsafe function `std::ffi::CStr::from_ptr` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/error.rs:42:18
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Some(CStr::from_ptr(self.0))
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see issue #71668 <https://github.com/rust-lang/rust/issues/71668>
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/error.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub unsafe fn err(&self) -> Option<&CStr> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `--force-warn unsafe-op-in-unsafe-fn` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Note that you may be able to make some more progress in the near-term
[INFO] [stdout] warning[E0133]: call to unsafe function `std::ffi::CString::from_raw` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/error.rs:69:21
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let _drop = CString::from_raw(error.0 as *mut c_char);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see issue #71668 <https://github.com/rust-lang/rust/issues/71668>
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/error.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub unsafe extern "C" fn mun_error_destroy(error: ErrorHandle) {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] fixing code with the `--broken-code` flag
[INFO] [stdout] warning[E0133]: call to unsafe function `std::ffi::CString::from_raw` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/lib.rs:19:23
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let _string = CString::from_raw(string as *mut _);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see issue #71668 <https://github.com/rust-lang/rust/issues/71668>
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub unsafe extern "C" fn mun_string_destroy(string: *const c_char) {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] warning[E0133]: call to unsafe function `std::ffi::CStr::from_ptr` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/lib.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 |     match CStr::from_ptr::<'a>(string).to_str() {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see issue #71668 <https://github.com/rust-lang/rust/issues/71668>
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub unsafe fn try_convert_c_string<'a>(string: *const c_char) -> Result<&'a str, &'static str> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] The following errors were reported:
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stderr]   --> src/error.rs:75:6
[INFO] [stderr]    |
[INFO] [stderr] 75 |     ($expr:expr_2021 $(,)?) => {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]   --> src/error.rs:87:6
[INFO] [stderr]    |
[INFO] [stderr] 87 |     ($expr:expr_2021 $(,)?) => {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/error.rs:103:6
[INFO] [stderr]     |
[INFO] [stderr] 103 |     ($expr:expr_2021 $(,)?) => {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/error.rs:119:6
[INFO] [stderr]     |
[INFO] [stderr] 119 |     ($expr:expr_2021 $(,)?) => {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]   --> src/lib.rs:42:19
[INFO] [stderr]    |
[INFO] [stderr] 42 |     ($fun:ident ( $handle:expr_2021, $($arg:ident),+ $(,)?)) => {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]   --> src/lib.rs:55:19
[INFO] [stderr]    |
[INFO] [stderr] 55 |     ($fun:ident ( $handle:expr_2021, $arg1:expr_2021, $($arg:ident),+ $(,)?)) => {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]   --> src/lib.rs:55:38
[INFO] [stderr]    |
[INFO] [stderr] 55 |     ($fun:ident ( $handle:expr_2021, $arg1:expr_2021, $($arg:ident),+ $(,)?)) => {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]   --> src/lib.rs:68:19
[INFO] [stderr]    |
[INFO] [stderr] 68 |     ($fun:ident ( $handle:expr_2021, $arg1:expr_2021, $arg2:expr_2021, $($arg:ident),+ $(,)?)) => {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]   --> src/lib.rs:68:38
[INFO] [stderr]    |
[INFO] [stderr] 68 |     ($fun:ident ( $handle:expr_2021, $arg1:expr_2021, $arg2:expr_2021, $($arg:ident),+ $(,)?)) => {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]   --> src/lib.rs:68:55
[INFO] [stderr]    |
[INFO] [stderr] 68 |     ($fun:ident ( $handle:expr_2021, $arg1:expr_2021, $arg2:expr_2021, $($arg:ident),+ $(,)?)) => {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 10 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] Original diagnostics will follow.
[INFO] [stderr] 
[INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `mun_capi_utils`
[INFO] [stderr] 
[INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files:
[INFO] [stderr] 
[INFO] [stderr]   * src/error.rs
[INFO] [stderr]   * src/lib.rs
[INFO] [stderr] 
[INFO] [stderr] This likely indicates a bug in either rustc or cargo itself,
[INFO] [stderr] and we would appreciate a bug report! You're likely to see
[INFO] [stderr] a number of compiler warnings after this message which cargo
[INFO] [stderr] attempted to fix but failed. If you could open an issue at
[INFO] [stderr] https://github.com/rust-lang/rust/issues
[INFO] [stderr] quoting the full output of this command we'd be very appreciative!
[INFO] [stderr] Note that you may be able to make some more progress in the near-term
[INFO] [stderr] fixing code with the `--broken-code` flag
[INFO] [stderr] 
[INFO] [stderr] The following errors were reported:
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]   --> src/error.rs:75:6
[INFO] [stderr]    |
[INFO] [stderr] 75 |     ($expr:expr_2021 $(,)?) => {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]   --> src/error.rs:87:6
[INFO] [stderr]    |
[INFO] [stderr] 87 |     ($expr:expr_2021 $(,)?) => {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/error.rs:103:6
[INFO] [stderr]     |
[INFO] [stderr] 103 |     ($expr:expr_2021 $(,)?) => {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]    --> src/error.rs:119:6
[INFO] [stderr]     |
[INFO] [stderr] 119 |     ($expr:expr_2021 $(,)?) => {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]     = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]     = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]   --> src/lib.rs:42:19
[INFO] [stderr]    |
[INFO] [stderr] 42 |     ($fun:ident ( $handle:expr_2021, $($arg:ident),+ $(,)?)) => {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]   --> src/lib.rs:55:19
[INFO] [stderr]    |
[INFO] [stderr] 55 |     ($fun:ident ( $handle:expr_2021, $arg1:expr_2021, $($arg:ident),+ $(,)?)) => {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]   --> src/lib.rs:55:38
[INFO] [stderr]    |
[INFO] [stderr] 55 |     ($fun:ident ( $handle:expr_2021, $arg1:expr_2021, $($arg:ident),+ $(,)?)) => {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]   --> src/lib.rs:68:19
[INFO] [stderr]    |
[INFO] [stderr] 68 |     ($fun:ident ( $handle:expr_2021, $arg1:expr_2021, $arg2:expr_2021, $($arg:ident),+ $(,)?)) => {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]   --> src/lib.rs:68:38
[INFO] [stderr]    |
[INFO] [stderr] 68 |     ($fun:ident ( $handle:expr_2021, $arg1:expr_2021, $arg2:expr_2021, $($arg:ident),+ $(,)?)) => {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #123742 <https://github.com/rust-lang/rust/issues/123742> for more information
[INFO] [stderr]    = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable
[INFO] [stderr]   --> src/lib.rs:68:55
[INFO] [stderr]    |
[INFO] [stderr] 68 |     ($fun:ident ( $handle:expr_2021, $arg1:expr_2021, $arg2:expr_2021, $($arg:ident),+ $(,)?)) => {
[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 10 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] Original diagnostics will follow.
[INFO] [stderr] 
[INFO] [stdout] warning: unsafe attribute used without unsafe
[INFO] [stdout]   --> src/error.rs:66:3
[INFO] [stdout]    |
[INFO] [stdout] 66 | #[no_mangle]
[INFO] [stdout]    |   ^^^^^^^^^ usage of unsafe attribute
[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 #123757 <https://github.com/rust-lang/rust/issues/123757>
[INFO] [stdout]    = note: `--force-warn unsafe-attr-outside-unsafe` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]    |
[INFO] [stdout] 66 | #[unsafe(no_mangle)]
[INFO] [stdout]    |   +++++++         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unsafe attribute used without unsafe
[INFO] [stdout]   --> src/lib.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[no_mangle]
[INFO] [stdout]    |   ^^^^^^^^^ usage of unsafe attribute
[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 #123757 <https://github.com/rust-lang/rust/issues/123757>
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[unsafe(no_mangle)]
[INFO] [stdout]    |   +++++++         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/error.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     ($expr:expr $(,)?) => {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout]    = note: `--force-warn edition-2024-expr-fragment-specifier` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 75 |     ($expr:expr_2021 $(,)?) => {
[INFO] [stdout]    |            ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/error.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |     ($expr:expr $(,)?) => {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 87 |     ($expr:expr_2021 $(,)?) => {
[INFO] [stdout]    |            ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/error.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |     ($expr:expr $(,)?) => {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 103 |     ($expr:expr_2021 $(,)?) => {
[INFO] [stdout]     |            ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/error.rs:119:12
[INFO] [stdout]     |
[INFO] [stdout] 119 |     ($expr:expr $(,)?) => {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 119 |     ($expr:expr_2021 $(,)?) => {
[INFO] [stdout]     |            ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/lib.rs:42:27
[INFO] [stdout]    |
[INFO] [stdout] 42 |     ($fun:ident ( $handle:expr, $($arg:ident),+ $(,)?)) => {
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 42 |     ($fun:ident ( $handle:expr_2021, $($arg:ident),+ $(,)?)) => {
[INFO] [stdout]    |                           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/lib.rs:55:27
[INFO] [stdout]    |
[INFO] [stdout] 55 |     ($fun:ident ( $handle:expr, $arg1:expr, $($arg:ident),+ $(,)?)) => {
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 55 |     ($fun:ident ( $handle:expr_2021, $arg1:expr, $($arg:ident),+ $(,)?)) => {
[INFO] [stdout]    |                           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/lib.rs:55:39
[INFO] [stdout]    |
[INFO] [stdout] 55 |     ($fun:ident ( $handle:expr, $arg1:expr, $($arg:ident),+ $(,)?)) => {
[INFO] [stdout]    |                                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 55 |     ($fun:ident ( $handle:expr, $arg1:expr_2021, $($arg:ident),+ $(,)?)) => {
[INFO] [stdout]    |                                       ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/lib.rs:68:27
[INFO] [stdout]    |
[INFO] [stdout] 68 |     ($fun:ident ( $handle:expr, $arg1:expr, $arg2:expr, $($arg:ident),+ $(,)?)) => {
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 68 |     ($fun:ident ( $handle:expr_2021, $arg1:expr, $arg2:expr, $($arg:ident),+ $(,)?)) => {
[INFO] [stdout]    |                           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/lib.rs:68:39
[INFO] [stdout]    |
[INFO] [stdout] 68 |     ($fun:ident ( $handle:expr, $arg1:expr, $arg2:expr, $($arg:ident),+ $(,)?)) => {
[INFO] [stdout]    |                                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 68 |     ($fun:ident ( $handle:expr, $arg1:expr_2021, $arg2:expr, $($arg:ident),+ $(,)?)) => {
[INFO] [stdout]    |                                       ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/lib.rs:68:51
[INFO] [stdout]    |
[INFO] [stdout] 68 |     ($fun:ident ( $handle:expr, $arg1:expr, $arg2:expr, $($arg:ident),+ $(,)?)) => {
[INFO] [stdout]    |                                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 68 |     ($fun:ident ( $handle:expr, $arg1:expr, $arg2:expr_2021, $($arg:ident),+ $(,)?)) => {
[INFO] [stdout]    |                                                   ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `std::ffi::CStr::from_ptr` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/error.rs:42:18
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Some(CStr::from_ptr(self.0))
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see issue #71668 <https://github.com/rust-lang/rust/issues/71668>
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/error.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub unsafe fn err(&self) -> Option<&CStr> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `--force-warn unsafe-op-in-unsafe-fn` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `std::ffi::CString::from_raw` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/error.rs:69:21
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let _drop = CString::from_raw(error.0 as *mut c_char);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see issue #71668 <https://github.com/rust-lang/rust/issues/71668>
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/error.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub unsafe extern "C" fn mun_error_destroy(error: ErrorHandle) {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stdout] warning[E0133]: call to unsafe function `std::ffi::CString::from_raw` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/lib.rs:19:23
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let _string = CString::from_raw(string as *mut _);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see issue #71668 <https://github.com/rust-lang/rust/issues/71668>
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub unsafe extern "C" fn mun_string_destroy(string: *const c_char) {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `std::ffi::CStr::from_ptr` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/lib.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 |     match CStr::from_ptr::<'a>(string).to_str() {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see issue #71668 <https://github.com/rust-lang/rust/issues/71668>
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub unsafe fn try_convert_c_string<'a>(string: *const c_char) -> Result<&'a str, &'static str> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stderr] Running `cargo check` to verify 2024
[INFO] [stderr]     Checking mun_capi_utils v0.4.0 (/tmp/fixit)
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]   --> src/error.rs:66:3
[INFO] [stdout]    |
[INFO] [stdout] 66 | #[no_mangle]
[INFO] [stdout]    |   ^^^^^^^^^ usage of unsafe attribute
[INFO] [stdout]    |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]    |
[INFO] [stdout] 66 | #[unsafe(no_mangle)]
[INFO] [stdout]    |   +++++++         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]   --> src/lib.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[no_mangle]
[INFO] [stdout]    |   ^^^^^^^^^ usage of unsafe attribute
[INFO] [stdout]    |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[unsafe(no_mangle)]
[INFO] [stdout]    |   +++++++         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]   --> src/error.rs:66:3
[INFO] [stdout]    |
[INFO] [stdout] 66 | #[no_mangle]
[INFO] [stdout]    |   ^^^^^^^^^ usage of unsafe attribute
[INFO] [stdout]    |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]    |
[INFO] [stdout] 66 | #[unsafe(no_mangle)]
[INFO] [stdout]    |   +++++++         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]   --> src/lib.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[no_mangle]
[INFO] [stdout]    |   ^^^^^^^^^ usage of unsafe attribute
[INFO] [stdout]    |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[unsafe(no_mangle)]
[INFO] [stdout]    |   +++++++         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `std::ffi::CStr::from_ptr` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/error.rs:42:18
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Some(CStr::from_ptr(self.0))
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see issue #71668 <https://github.com/rust-lang/rust/issues/71668>
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/error.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub unsafe fn err(&self) -> Option<&CStr> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unsafe_op_in_unsafe_fn)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `std::ffi::CString::from_raw` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/error.rs:69:21
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let _drop = CString::from_raw(error.0 as *mut c_char);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see issue #71668 <https://github.com/rust-lang/rust/issues/71668>
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/error.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub unsafe extern "C" fn mun_error_destroy(error: ErrorHandle) {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `std::ffi::CString::from_raw` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/lib.rs:19:23
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let _string = CString::from_raw(string as *mut _);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see issue #71668 <https://github.com/rust-lang/rust/issues/71668>
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub unsafe extern "C" fn mun_string_destroy(string: *const c_char) {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `std::ffi::CStr::from_ptr` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/error.rs:42:18
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Some(CStr::from_ptr(self.0))
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see issue #71668 <https://github.com/rust-lang/rust/issues/71668>
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/error.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub unsafe fn err(&self) -> Option<&CStr> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unsafe_op_in_unsafe_fn)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `std::ffi::CStr::from_ptr` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/lib.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 |     match CStr::from_ptr::<'a>(string).to_str() {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see issue #71668 <https://github.com/rust-lang/rust/issues/71668>
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub unsafe fn try_convert_c_string<'a>(string: *const c_char) -> Result<&'a str, &'static str> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `std::ffi::CString::from_raw` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/error.rs:69:21
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let _drop = CString::from_raw(error.0 as *mut c_char);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see issue #71668 <https://github.com/rust-lang/rust/issues/71668>
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/error.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub unsafe extern "C" fn mun_error_destroy(error: ErrorHandle) {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `std::ffi::CString::from_raw` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/lib.rs:19:23
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let _string = CString::from_raw(string as *mut _);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see issue #71668 <https://github.com/rust-lang/rust/issues/71668>
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub unsafe extern "C" fn mun_string_destroy(string: *const c_char) {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `std::ffi::CStr::from_ptr` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/lib.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 |     match CStr::from_ptr::<'a>(string).to_str() {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see issue #71668 <https://github.com/rust-lang/rust/issues/71668>
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub unsafe fn try_convert_c_string<'a>(string: *const c_char) -> Result<&'a str, &'static str> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mun_capi_utils` (lib test) due to 3 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `mun_capi_utils` (lib) due to 3 previous errors; 4 warnings emitted
[INFO] [stderr] error: failed to check after updating to 2024
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo check --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "97d29f77061ef587d3d9b5c1fa4d923a862832f59a9d02e26dd3342ca1565da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97d29f77061ef587d3d9b5c1fa4d923a862832f59a9d02e26dd3342ca1565da4", kill_on_drop: false }`
[INFO] [stdout] 97d29f77061ef587d3d9b5c1fa4d923a862832f59a9d02e26dd3342ca1565da4