[INFO] fetching crate futures-async-stream-macro 0.2.12... [INFO] checking futures-async-stream-macro-0.2.12 against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2 [INFO] extracting crate futures-async-stream-macro 0.2.12 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate futures-async-stream-macro 0.2.12 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 futures-async-stream-macro 0.2.12 [INFO] finished tweaking crates.io crate futures-async-stream-macro 0.2.12 [INFO] tweaked toml for crates.io crate futures-async-stream-macro 0.2.12 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 4 packages to latest compatible versions [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] 6cfbdf5e8e1b2d852efe49d96b8c829e86bcd8852713bad3412fb87c78671b71 [INFO] running `Command { std: "docker" "start" "-a" "6cfbdf5e8e1b2d852efe49d96b8c829e86bcd8852713bad3412fb87c78671b71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6cfbdf5e8e1b2d852efe49d96b8c829e86bcd8852713bad3412fb87c78671b71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6cfbdf5e8e1b2d852efe49d96b8c829e86bcd8852713bad3412fb87c78671b71", kill_on_drop: false }` [INFO] [stdout] 6cfbdf5e8e1b2d852efe49d96b8c829e86bcd8852713bad3412fb87c78671b71 [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] d3489edca9ba9be26b13889e1cd84f1f466bf4d8e6ee1861dbba402a5e2d1986 [INFO] running `Command { std: "docker" "start" "-a" "d3489edca9ba9be26b13889e1cd84f1f466bf4d8e6ee1861dbba402a5e2d1986", 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] Checking syn v2.0.77 [INFO] [stderr] Checking futures-async-stream-macro v0.2.12 (/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 `futures_async_stream_macro` [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/utils.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:4:6 [INFO] [stderr] | [INFO] [stderr] 4 | ($span:expr_2021, $msg:expr_2021 $(,)?) => { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/error.rs:4:23 [INFO] [stderr] | [INFO] [stderr] 4 | ($span:expr_2021, $msg:expr_2021 $(,)?) => { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/error.rs:7:6 [INFO] [stderr] | [INFO] [stderr] 7 | ($span:expr_2021, $($tt:tt)*) => { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #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/utils.rs:12:6 [INFO] [stderr] | [INFO] [stderr] 12 | ($s:expr_2021) => { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0658`. [INFO] [stderr] Original diagnostics will follow. [INFO] [stderr] [INFO] [stdout] warning: `gen` is a keyword in the 2024 edition [INFO] [stdout] --> src/elision.rs:69:46 [INFO] [stdout] | [INFO] [stdout] 69 | fn visit_generic_argument_mut(&mut self, gen: &mut GenericArgument) { [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 [INFO] [stdout] = note: `--force-warn keyword-idents-2024` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `gen` is a keyword in the 2024 edition [INFO] [stdout] --> src/elision.rs:70:54 [INFO] [stdout] | [INFO] [stdout] 70 | if let GenericArgument::Lifetime(lifetime) = gen { [INFO] [stdout] | ^^^ help: you can use a raw identifier to stay compatible: `r#gen` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024! [INFO] [stdout] = note: for more information, see issue #49716 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `gen` is a keyword in the 2024 edition [INFO] [stdout] --> src/elision.rs:73:53 [INFO] [stdout] | [INFO] [stdout] 73 | visit_mut::visit_generic_argument_mut(self, gen); [INFO] [stdout] | ^^^ help: you can use a raw identifier to stay compatible: `r#gen` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024! [INFO] [stdout] = note: for more information, see issue #49716 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/error.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | ($span:expr, $msg:expr $(,)?) => { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] = note: `--force-warn edition-2024-expr-fragment-specifier` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 4 | ($span:expr_2021, $msg:expr $(,)?) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/error.rs:4:23 [INFO] [stdout] | [INFO] [stdout] 4 | ($span:expr, $msg:expr $(,)?) => { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 4 | ($span:expr, $msg:expr_2021 $(,)?) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/error.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | ($span:expr, $($tt:tt)*) => { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 7 | ($span:expr_2021, $($tt:tt)*) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/utils.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | ($s:expr) => { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 12 | ($s:expr_2021) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/elision.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | if let Some((_, lifetime)) = &mut receiver.reference { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------------------ [INFO] [stdout] | | [INFO] [stdout] | this value has a significant drop implementation which may observe a major change in drop order and requires your discretion [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #124085 [INFO] [stdout] help: the value is now dropped here in Edition 2024 [INFO] [stdout] --> src/elision.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | } else { [INFO] [stdout] | ^ [INFO] [stdout] = note: `--force-warn if-let-rescope` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] help: a `match` with a single arm can preserve the drop order up to Edition 2021 [INFO] [stdout] | [INFO] [stdout] 57 ~ match &mut receiver.reference { Some((_, lifetime)) => { [INFO] [stdout] 58 | self.visit_opt_lifetime(lifetime); [INFO] [stdout] 59 ~ } _ => { [INFO] [stdout] 60 | visit_mut::visit_type_mut(self, &mut receiver.ty); [INFO] [stdout] 61 ~ }} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/parse.rs:79:12 [INFO] [stdout] | [INFO] [stdout] 79 | if let ReturnType::Type(_, ty) = &item.sig.output { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--------------- [INFO] [stdout] | | [INFO] [stdout] | this value has a significant drop implementation which may observe a major change in drop order and requires your discretion [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #124085 [INFO] [stdout] help: the value is now dropped here in Edition 2024 [INFO] [stdout] --> src/parse.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | } [INFO] [stdout] | ^ [INFO] [stdout] help: a `match` with a single arm can preserve the drop order up to Edition 2021 [INFO] [stdout] | [INFO] [stdout] 79 ~ match &item.sig.output { ReturnType::Type(_, ty) => { [INFO] [stdout] 80 | match &**ty { [INFO] [stdout] ... [INFO] [stdout] 83 | } [INFO] [stdout] 84 ~ } _ => {}} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/parse.rs:146:12 [INFO] [stdout] | [INFO] [stdout] 146 | if let Some(block) = item.default { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^------------ [INFO] [stdout] | | [INFO] [stdout] | this value has a significant drop implementation which may observe a major change in drop order and requires your discretion [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #124085 [INFO] [stdout] help: the value is now dropped here in Edition 2024 [INFO] [stdout] --> src/parse.rs:148:9 [INFO] [stdout] | [INFO] [stdout] 148 | } else { [INFO] [stdout] | ^ [INFO] [stdout] help: a `match` with a single arm can preserve the drop order up to Edition 2021 [INFO] [stdout] | [INFO] [stdout] 146 ~ match item.default { Some(block) => { [INFO] [stdout] 147 | Self { attrs: item.attrs, vis: Visibility::Inherited, sig: item.sig, block, semi: None } [INFO] [stdout] 148 ~ } _ => { [INFO] [stdout] 149 | Self { [INFO] [stdout] ... [INFO] [stdout] 155 | } [INFO] [stdout] 156 ~ }} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/stream.rs:144:12 [INFO] [stdout] | [INFO] [stdout] 144 | if let Some(item_ty) = item_ty { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^------- [INFO] [stdout] | | [INFO] [stdout] | this value has a significant drop implementation which may observe a major change in drop order and requires your discretion [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #124085 [INFO] [stdout] help: the value is now dropped here in Edition 2024 [INFO] [stdout] --> src/stream.rs:146:9 [INFO] [stdout] | [INFO] [stdout] 146 | } else { [INFO] [stdout] | ^ [INFO] [stdout] help: a `match` with a single arm can preserve the drop order up to Edition 2021 [INFO] [stdout] | [INFO] [stdout] 144 ~ match item_ty { Some(item_ty) => { [INFO] [stdout] 145 | Ok(Self { item_ty, boxed }) [INFO] [stdout] 146 ~ } _ => { [INFO] [stdout] 147 | input.parse::().map(|_| unreachable!()) [INFO] [stdout] 148 ~ }} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/stream.rs:317:12 [INFO] [stdout] | [INFO] [stdout] 317 | if let FnArg::Typed(PatType { attrs, pat, ty, colon_token }) = argument { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-------- [INFO] [stdout] | | [INFO] [stdout] | this value has a significant drop implementation which may observe a major change in drop order and requires your discretion [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #124085 [INFO] [stdout] help: the value is now dropped here in Edition 2024 [INFO] [stdout] --> src/stream.rs:344:9 [INFO] [stdout] | [INFO] [stdout] 344 | } else { [INFO] [stdout] | ^ [INFO] [stdout] help: a `match` with a single arm can preserve the drop order up to Edition 2021 [INFO] [stdout] | [INFO] [stdout] 317 ~ match argument { FnArg::Typed(PatType { attrs, pat, ty, colon_token }) => { [INFO] [stdout] 318 | let captured_naturally = match &*pat { [INFO] [stdout] ... [INFO] [stdout] 343 | arguments.push(FnArg::Typed(PatType { attrs, pat, colon_token, ty })); [INFO] [stdout] 344 ~ } _ => { [INFO] [stdout] 345 | arguments.push(argument); [INFO] [stdout] 346 ~ }} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/visitor.rs:181:16 [INFO] [stdout] | [INFO] [stdout] 181 | if let Expr::Macro(mut expr) = expr { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^---- [INFO] [stdout] | | [INFO] [stdout] | this value has a significant drop implementation which may observe a major change in drop order and requires your discretion [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #124085 [INFO] [stdout] help: the value is now dropped here in Edition 2024 [INFO] [stdout] --> src/visitor.rs:191:13 [INFO] [stdout] | [INFO] [stdout] 191 | } else { [INFO] [stdout] | ^ [INFO] [stdout] help: a `match` with a single arm can preserve the drop order up to Edition 2021 [INFO] [stdout] | [INFO] [stdout] 181 ~ match expr { Expr::Macro(mut expr) => { [INFO] [stdout] 182 | let mut e: ExprCall = if expr.mac.path.is_ident("stream_block") { [INFO] [stdout] ... [INFO] [stdout] 190 | Expr::Call(e) [INFO] [stdout] 191 ~ } _ => { [INFO] [stdout] 192 | unreachable!() [INFO] [stdout] 193 ~ }} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `futures_async_stream_macro` [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/utils.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:4:6 [INFO] [stderr] | [INFO] [stderr] 4 | ($span:expr_2021, $msg:expr_2021 $(,)?) => { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/error.rs:4:23 [INFO] [stderr] | [INFO] [stderr] 4 | ($span:expr_2021, $msg:expr_2021 $(,)?) => { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: fragment specifier `expr_2021` is unstable [INFO] [stderr] --> src/error.rs:7:6 [INFO] [stderr] | [INFO] [stderr] 7 | ($span:expr_2021, $($tt:tt)*) => { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #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/utils.rs:12:6 [INFO] [stderr] | [INFO] [stderr] 12 | ($s:expr_2021) => { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #123742 for more information [INFO] [stderr] = help: add `#![feature(expr_fragment_specifier_2024)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] warning: `gen` is a keyword in the 2024 edition [INFO] [stdout] --> src/elision.rs:69:46 [INFO] [stdout] | [INFO] [stdout] 69 | fn visit_generic_argument_mut(&mut self, gen: &mut GenericArgument) { [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 [INFO] [stdout] = note: `--force-warn keyword-idents-2024` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Original diagnostics will follow. [INFO] [stderr] [INFO] [stdout] warning: `gen` is a keyword in the 2024 edition [INFO] [stdout] --> src/elision.rs:70:54 [INFO] [stdout] | [INFO] [stdout] 70 | if let GenericArgument::Lifetime(lifetime) = gen { [INFO] [stdout] | ^^^ help: you can use a raw identifier to stay compatible: `r#gen` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024! [INFO] [stdout] = note: for more information, see issue #49716 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `gen` is a keyword in the 2024 edition [INFO] [stdout] --> src/elision.rs:73:53 [INFO] [stdout] | [INFO] [stdout] 73 | visit_mut::visit_generic_argument_mut(self, gen); [INFO] [stdout] | ^^^ help: you can use a raw identifier to stay compatible: `r#gen` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024! [INFO] [stdout] = note: for more information, see issue #49716 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/error.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | ($span:expr, $msg:expr $(,)?) => { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] = note: `--force-warn edition-2024-expr-fragment-specifier` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 4 | ($span:expr_2021, $msg:expr $(,)?) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/error.rs:4:23 [INFO] [stdout] | [INFO] [stdout] 4 | ($span:expr, $msg:expr $(,)?) => { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 4 | ($span:expr, $msg:expr_2021 $(,)?) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/error.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | ($span:expr, $($tt:tt)*) => { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 7 | ($span:expr_2021, $($tt:tt)*) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/utils.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | ($s:expr) => { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see Migration Guide [INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier [INFO] [stdout] | [INFO] [stdout] 12 | ($s:expr_2021) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/elision.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | if let Some((_, lifetime)) = &mut receiver.reference { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------------------ [INFO] [stdout] | | [INFO] [stdout] | this value has a significant drop implementation which may observe a major change in drop order and requires your discretion [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #124085 [INFO] [stdout] help: the value is now dropped here in Edition 2024 [INFO] [stdout] --> src/elision.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | } else { [INFO] [stdout] | ^ [INFO] [stdout] = note: `--force-warn if-let-rescope` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] help: a `match` with a single arm can preserve the drop order up to Edition 2021 [INFO] [stdout] | [INFO] [stdout] 57 ~ match &mut receiver.reference { Some((_, lifetime)) => { [INFO] [stdout] 58 | self.visit_opt_lifetime(lifetime); [INFO] [stdout] 59 ~ } _ => { [INFO] [stdout] 60 | visit_mut::visit_type_mut(self, &mut receiver.ty); [INFO] [stdout] 61 ~ }} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/parse.rs:79:12 [INFO] [stdout] | [INFO] [stdout] 79 | if let ReturnType::Type(_, ty) = &item.sig.output { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--------------- [INFO] [stdout] | | [INFO] [stdout] | this value has a significant drop implementation which may observe a major change in drop order and requires your discretion [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #124085 [INFO] [stdout] help: the value is now dropped here in Edition 2024 [INFO] [stdout] --> src/parse.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | } [INFO] [stdout] | ^ [INFO] [stdout] help: a `match` with a single arm can preserve the drop order up to Edition 2021 [INFO] [stdout] | [INFO] [stdout] 79 ~ match &item.sig.output { ReturnType::Type(_, ty) => { [INFO] [stdout] 80 | match &**ty { [INFO] [stdout] ... [INFO] [stdout] 83 | } [INFO] [stdout] 84 ~ } _ => {}} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/parse.rs:146:12 [INFO] [stdout] | [INFO] [stdout] 146 | if let Some(block) = item.default { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^------------ [INFO] [stdout] | | [INFO] [stdout] | this value has a significant drop implementation which may observe a major change in drop order and requires your discretion [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #124085 [INFO] [stdout] help: the value is now dropped here in Edition 2024 [INFO] [stdout] --> src/parse.rs:148:9 [INFO] [stdout] | [INFO] [stdout] 148 | } else { [INFO] [stdout] | ^ [INFO] [stdout] help: a `match` with a single arm can preserve the drop order up to Edition 2021 [INFO] [stdout] | [INFO] [stdout] 146 ~ match item.default { Some(block) => { [INFO] [stdout] 147 | Self { attrs: item.attrs, vis: Visibility::Inherited, sig: item.sig, block, semi: None } [INFO] [stdout] 148 ~ } _ => { [INFO] [stdout] 149 | Self { [INFO] [stdout] ... [INFO] [stdout] 155 | } [INFO] [stdout] 156 ~ }} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/stream.rs:144:12 [INFO] [stdout] | [INFO] [stdout] 144 | if let Some(item_ty) = item_ty { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^------- [INFO] [stdout] | | [INFO] [stdout] | this value has a significant drop implementation which may observe a major change in drop order and requires your discretion [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #124085 [INFO] [stdout] help: the value is now dropped here in Edition 2024 [INFO] [stdout] --> src/stream.rs:146:9 [INFO] [stdout] | [INFO] [stdout] 146 | } else { [INFO] [stdout] | ^ [INFO] [stdout] help: a `match` with a single arm can preserve the drop order up to Edition 2021 [INFO] [stdout] | [INFO] [stdout] 144 ~ match item_ty { Some(item_ty) => { [INFO] [stdout] 145 | Ok(Self { item_ty, boxed }) [INFO] [stdout] 146 ~ } _ => { [INFO] [stdout] 147 | input.parse::().map(|_| unreachable!()) [INFO] [stdout] 148 ~ }} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/stream.rs:317:12 [INFO] [stdout] | [INFO] [stdout] 317 | if let FnArg::Typed(PatType { attrs, pat, ty, colon_token }) = argument { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-------- [INFO] [stdout] | | [INFO] [stdout] | this value has a significant drop implementation which may observe a major change in drop order and requires your discretion [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #124085 [INFO] [stdout] help: the value is now dropped here in Edition 2024 [INFO] [stdout] --> src/stream.rs:344:9 [INFO] [stdout] | [INFO] [stdout] 344 | } else { [INFO] [stdout] | ^ [INFO] [stdout] help: a `match` with a single arm can preserve the drop order up to Edition 2021 [INFO] [stdout] | [INFO] [stdout] 317 ~ match argument { FnArg::Typed(PatType { attrs, pat, ty, colon_token }) => { [INFO] [stdout] 318 | let captured_naturally = match &*pat { [INFO] [stdout] ... [INFO] [stdout] 343 | arguments.push(FnArg::Typed(PatType { attrs, pat, colon_token, ty })); [INFO] [stdout] 344 ~ } _ => { [INFO] [stdout] 345 | arguments.push(argument); [INFO] [stdout] 346 ~ }} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/visitor.rs:181:16 [INFO] [stdout] | [INFO] [stdout] 181 | if let Expr::Macro(mut expr) = expr { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^---- [INFO] [stdout] | | [INFO] [stdout] | this value has a significant drop implementation which may observe a major change in drop order and requires your discretion [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #124085 [INFO] [stdout] help: the value is now dropped here in Edition 2024 [INFO] [stdout] --> src/visitor.rs:191:13 [INFO] [stdout] | [INFO] [stdout] 191 | } else { [INFO] [stdout] | ^ [INFO] [stdout] help: a `match` with a single arm can preserve the drop order up to Edition 2021 [INFO] [stdout] | [INFO] [stdout] 181 ~ match expr { Expr::Macro(mut expr) => { [INFO] [stdout] 182 | let mut e: ExprCall = if expr.mac.path.is_ident("stream_block") { [INFO] [stdout] ... [INFO] [stdout] 190 | Expr::Call(e) [INFO] [stdout] 191 ~ } _ => { [INFO] [stdout] 192 | unreachable!() [INFO] [stdout] 193 ~ }} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.79s [INFO] [stderr] Running `cargo check` to verify 2024 [INFO] [stderr] Checking futures-async-stream-macro v0.2.12 (/tmp/fixit) [INFO] [stdout] error: expected identifier, found reserved keyword `gen` [INFO] [stdout] --> src/elision.rs:69:46 [INFO] [stdout] | [INFO] [stdout] 69 | fn visit_generic_argument_mut(&mut self, gen: &mut GenericArgument) { [INFO] [stdout] | ^^^ expected identifier, found reserved keyword [INFO] [stdout] | [INFO] [stdout] help: escape `gen` to use it as an identifier [INFO] [stdout] | [INFO] [stdout] 69 | fn visit_generic_argument_mut(&mut self, r#gen: &mut GenericArgument) { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected identifier, found reserved keyword `gen` [INFO] [stdout] --> src/elision.rs:69:46 [INFO] [stdout] | [INFO] [stdout] 69 | fn visit_generic_argument_mut(&mut self, gen: &mut GenericArgument) { [INFO] [stdout] | ^^^ expected identifier, found reserved keyword [INFO] [stdout] | [INFO] [stdout] help: escape `gen` to use it as an identifier [INFO] [stdout] | [INFO] [stdout] 69 | fn visit_generic_argument_mut(&mut self, r#gen: &mut GenericArgument) { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected expression, found reserved keyword `gen` [INFO] [stdout] --> src/elision.rs:73:53 [INFO] [stdout] | [INFO] [stdout] 73 | visit_mut::visit_generic_argument_mut(self, gen); [INFO] [stdout] | ^^^ expected expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected expression, found reserved keyword `gen` [INFO] [stdout] --> src/elision.rs:73:53 [INFO] [stdout] | [INFO] [stdout] 73 | visit_mut::visit_generic_argument_mut(self, gen); [INFO] [stdout] | ^^^ expected expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected `{`, found `visit_mut` [INFO] [stdout] --> src/elision.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | visit_mut::visit_generic_argument_mut(self, gen); [INFO] [stdout] | ^^^^^^^^^ expected `{` [INFO] [stdout] | [INFO] [stdout] note: the `if` expression is missing a block after this condition [INFO] [stdout] --> src/elision.rs:70:12 [INFO] [stdout] | [INFO] [stdout] 70 | if let GenericArgument::Lifetime(lifetime) = gen { [INFO] [stdout] | ____________^ [INFO] [stdout] 71 | | self.visit_lifetime(lifetime); [INFO] [stdout] 72 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] help: try placing this code inside a block [INFO] [stdout] | [INFO] [stdout] 73 | { visit_mut::visit_generic_argument_mut(self, gen); } [INFO] [stdout] | + + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected `{`, found `visit_mut` [INFO] [stdout] --> src/elision.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | visit_mut::visit_generic_argument_mut(self, gen); [INFO] [stdout] | ^^^^^^^^^ expected `{` [INFO] [stdout] | [INFO] [stdout] note: the `if` expression is missing a block after this condition [INFO] [stdout] --> src/elision.rs:70:12 [INFO] [stdout] | [INFO] [stdout] 70 | if let GenericArgument::Lifetime(lifetime) = gen { [INFO] [stdout] | ____________^ [INFO] [stdout] 71 | | self.visit_lifetime(lifetime); [INFO] [stdout] 72 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] help: try placing this code inside a block [INFO] [stdout] | [INFO] [stdout] 73 | { visit_mut::visit_generic_argument_mut(self, gen); } [INFO] [stdout] | + + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: gen blocks are experimental [INFO] [stdout] --> src/elision.rs:70:54 [INFO] [stdout] | [INFO] [stdout] 70 | if let GenericArgument::Lifetime(lifetime) = gen { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #117078 for more information [INFO] [stdout] = help: add `#![feature(gen_blocks)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: gen blocks are experimental [INFO] [stdout] --> src/elision.rs:70:54 [INFO] [stdout] | [INFO] [stdout] 70 | if let GenericArgument::Lifetime(lifetime) = gen { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #117078 for more information [INFO] [stdout] = help: add `#![feature(gen_blocks)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2024-09-17; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `futures-async-stream-macro` (lib test) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `futures-async-stream-macro` (lib) due to 5 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" "d3489edca9ba9be26b13889e1cd84f1f466bf4d8e6ee1861dbba402a5e2d1986", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3489edca9ba9be26b13889e1cd84f1f466bf4d8e6ee1861dbba402a5e2d1986", kill_on_drop: false }` [INFO] [stdout] d3489edca9ba9be26b13889e1cd84f1f466bf4d8e6ee1861dbba402a5e2d1986