[INFO] fetching crate attr_alias 0.1.3... [INFO] checking attr_alias-0.1.3 against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2 [INFO] extracting crate attr_alias 0.1.3 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate attr_alias 0.1.3 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 attr_alias 0.1.3 [INFO] finished tweaking crates.io crate attr_alias 0.1.3 [INFO] tweaked toml for crates.io crate attr_alias 0.1.3 written to /workspace/builds/worker-1-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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 591d6da1992b9cff5e7f7b702c9f8fd67d41536a12c39fec5153f0e04a638ec8 [INFO] running `Command { std: "docker" "start" "-a" "591d6da1992b9cff5e7f7b702c9f8fd67d41536a12c39fec5153f0e04a638ec8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "591d6da1992b9cff5e7f7b702c9f8fd67d41536a12c39fec5153f0e04a638ec8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "591d6da1992b9cff5e7f7b702c9f8fd67d41536a12c39fec5153f0e04a638ec8", kill_on_drop: false }` [INFO] [stdout] 591d6da1992b9cff5e7f7b702c9f8fd67d41536a12c39fec5153f0e04a638ec8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 56a8f2a485370b84fb91a92d7041819e3b865352859deac2dda1191e539dc577 [INFO] running `Command { std: "docker" "start" "-a" "56a8f2a485370b84fb91a92d7041819e3b865352859deac2dda1191e539dc577", 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 attr_alias v0.1.3 (/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 `attr_alias` [INFO] [stderr] [INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files: [INFO] [stderr] [INFO] [stderr] * src/aliases.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/lib.rs:127:9 [INFO] [stderr] | [INFO] [stderr] 127 | ( $($token: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/lib.rs:135:9 [INFO] [stderr] | [INFO] [stderr] 135 | ( $($name: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/aliases.rs:20:7 [INFO] [stderr] | [INFO] [stderr] 20 | ( $item:expr_2021 , $type:ident $(, $method:ident => $value: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/aliases.rs:20:58 [INFO] [stderr] | [INFO] [stderr] 20 | ( $item:expr_2021 , $type:ident $(, $method:ident => $value: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: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/lib.rs:127:16 [INFO] [stdout] | [INFO] [stdout] 127 | ( $($token: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] 127 | ( $($token: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:135:15 [INFO] [stdout] | [INFO] [stdout] 135 | ( $($name: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] 135 | ( $($name: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/aliases.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | ( $item:expr , $type:ident $(, $method:ident => $value: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] 20 | ( $item:expr_2021 , $type:ident $(, $method:ident => $value: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/aliases.rs:20:60 [INFO] [stdout] | [INFO] [stdout] 20 | ( $item:expr , $type:ident $(, $method:ident => $value: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] 20 | ( $item:expr , $type:ident $(, $method:ident => $value:expr_2021)? $(,)? ) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl Iterator` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> src/lib.rs:154:41 [INFO] [stdout] | [INFO] [stdout] 154 | fn core_macro(name: &str, arg: &str) -> impl Iterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, these lifetimes are in scope but not mentioned in the type's bounds [INFO] [stdout] --> src/lib.rs:154:21 [INFO] [stdout] | [INFO] [stdout] 154 | fn core_macro(name: &str, arg: &str) -> impl Iterator { [INFO] [stdout] | ^ ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] = note: `--force-warn impl-trait-overcaptures` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 154 | fn core_macro(name: &str, arg: &str) -> impl Iterator + use<> { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/aliases.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | if let Some(token) = $item.next() { [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] 48 | let name = next!(args, Ident)?; [INFO] [stdout] | ------------------ in this macro invocation [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/aliases.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | } else { [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 48 | let name = next!(args, Ident)?; [INFO] [stdout] | ------------------ in this macro invocation [INFO] [stdout] = note: `--force-warn if-let-rescope` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] = note: this warning originates in the macro `next` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/aliases.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | if let Some(token) = $item.next() { [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] 90 | next!(attr_iter, Ident, to_string => "attr_alias") [INFO] [stdout] | -------------------------------------------------- in this macro invocation [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/aliases.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | } else { [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 90 | next!(attr_iter, Ident, to_string => "attr_alias") [INFO] [stdout] | -------------------------------------------------- in this macro invocation [INFO] [stdout] = note: this warning originates in the macro `next` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/aliases.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | if let Some(token) = $item.next() { [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] 93 | let args = next!( [INFO] [stdout] | ____________________________- [INFO] [stdout] 94 | | attr_iter, [INFO] [stdout] 95 | | Group, [INFO] [stdout] 96 | | delimiter => Delimiter::Parenthesis, [INFO] [stdout] 97 | | )?; [INFO] [stdout] | |_________________- in this macro invocation [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/aliases.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | } else { [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 93 | let args = next!( [INFO] [stdout] | ____________________________- [INFO] [stdout] 94 | | attr_iter, [INFO] [stdout] 95 | | Group, [INFO] [stdout] 96 | | delimiter => Delimiter::Parenthesis, [INFO] [stdout] 97 | | )?; [INFO] [stdout] | |_________________- in this macro invocation [INFO] [stdout] = note: this warning originates in the macro `next` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/aliases.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | if let Some(token) = $item.next() { [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] 124 | let alias_name = next!(alias, Ident)?; [INFO] [stdout] | ------------------- in this macro invocation [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/aliases.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | } else { [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 124 | let alias_name = next!(alias, Ident)?; [INFO] [stdout] | ------------------- in this macro invocation [INFO] [stdout] = note: this warning originates in the macro `next` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/aliases.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | if let Some(token) = $item.next() { [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] 125 | let _ = next!(alias, Punct, as_char => '=')?; [INFO] [stdout] | ----------------------------------- in this macro invocation [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/aliases.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | } else { [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 125 | let _ = next!(alias, Punct, as_char => '=')?; [INFO] [stdout] | ----------------------------------- in this macro invocation [INFO] [stdout] = note: this warning originates in the macro `next` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `attr_alias` [INFO] [stderr] [INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files: [INFO] [stderr] [INFO] [stderr] * src/aliases.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/lib.rs:127:9 [INFO] [stderr] | [INFO] [stderr] 127 | ( $($token: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/lib.rs:135:9 [INFO] [stderr] | [INFO] [stderr] 135 | ( $($name: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/aliases.rs:20:7 [INFO] [stderr] | [INFO] [stderr] 20 | ( $item:expr_2021 , $type:ident $(, $method:ident => $value: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/aliases.rs:20:58 [INFO] [stderr] | [INFO] [stderr] 20 | ( $item:expr_2021 , $type:ident $(, $method:ident => $value: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: the `expr` fragment specifier will accept more expressions in the 2024 edition [INFO] [stdout] --> src/lib.rs:127:16 [INFO] [stdout] | [INFO] [stdout] 127 | ( $($token: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] 127 | ( $($token: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:135:15 [INFO] [stdout] | [INFO] [stdout] 135 | ( $($name: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] 135 | ( $($name: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/aliases.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | ( $item:expr , $type:ident $(, $method:ident => $value: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] 20 | ( $item:expr_2021 , $type:ident $(, $method:ident => $value: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/aliases.rs:20:60 [INFO] [stdout] | [INFO] [stdout] 20 | ( $item:expr , $type:ident $(, $method:ident => $value: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] 20 | ( $item:expr , $type:ident $(, $method:ident => $value:expr_2021)? $(,)? ) => { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `impl Iterator` will capture more lifetimes than possibly intended in edition 2024 [INFO] [stdout] --> src/lib.rs:154:41 [INFO] [stdout] | [INFO] [stdout] 154 | fn core_macro(name: &str, arg: &str) -> impl Iterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: specifically, these lifetimes are in scope but not mentioned in the type's bounds [INFO] [stdout] --> src/lib.rs:154:21 [INFO] [stdout] | [INFO] [stdout] 154 | fn core_macro(name: &str, arg: &str) -> impl Iterator { [INFO] [stdout] | ^ ^ [INFO] [stdout] = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 [INFO] [stdout] = note: `--force-warn impl-trait-overcaptures` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit [INFO] [stdout] | [INFO] [stdout] 154 | fn core_macro(name: &str, arg: &str) -> impl Iterator + use<> { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/aliases.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | if let Some(token) = $item.next() { [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] 48 | let name = next!(args, Ident)?; [INFO] [stdout] | ------------------ in this macro invocation [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/aliases.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | } else { [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 48 | let name = next!(args, Ident)?; [INFO] [stdout] | ------------------ in this macro invocation [INFO] [stdout] = note: `--force-warn if-let-rescope` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] = note: this warning originates in the macro `next` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/aliases.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | if let Some(token) = $item.next() { [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] 90 | next!(attr_iter, Ident, to_string => "attr_alias") [INFO] [stdout] | -------------------------------------------------- in this macro invocation [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/aliases.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | } else { [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 90 | next!(attr_iter, Ident, to_string => "attr_alias") [INFO] [stdout] | -------------------------------------------------- in this macro invocation [INFO] [stdout] = note: this warning originates in the macro `next` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/aliases.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | if let Some(token) = $item.next() { [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] 93 | let args = next!( [INFO] [stdout] | ____________________________- [INFO] [stdout] 94 | | attr_iter, [INFO] [stdout] 95 | | Group, [INFO] [stdout] 96 | | delimiter => Delimiter::Parenthesis, [INFO] [stdout] 97 | | )?; [INFO] [stdout] | |_________________- in this macro invocation [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/aliases.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | } else { [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 93 | let args = next!( [INFO] [stdout] | ____________________________- [INFO] [stdout] 94 | | attr_iter, [INFO] [stdout] 95 | | Group, [INFO] [stdout] 96 | | delimiter => Delimiter::Parenthesis, [INFO] [stdout] 97 | | )?; [INFO] [stdout] | |_________________- in this macro invocation [INFO] [stdout] = note: this warning originates in the macro `next` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/aliases.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | if let Some(token) = $item.next() { [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] 124 | let alias_name = next!(alias, Ident)?; [INFO] [stdout] | ------------------- in this macro invocation [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/aliases.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | } else { [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 124 | let alias_name = next!(alias, Ident)?; [INFO] [stdout] | ------------------- in this macro invocation [INFO] [stdout] = note: this warning originates in the macro `next` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/aliases.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | if let Some(token) = $item.next() { [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] 125 | let _ = next!(alias, Punct, as_char => '=')?; [INFO] [stdout] | ----------------------------------- in this macro invocation [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/aliases.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | } else { [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 125 | let _ = next!(alias, Punct, as_char => '=')?; [INFO] [stdout] | ----------------------------------- in this macro invocation [INFO] [stdout] = note: this warning originates in the macro `next` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s [INFO] [stderr] Running `cargo check` to verify 2024 [INFO] [stderr] Checking attr_alias v0.1.3 (/tmp/fixit) [INFO] [stdout] error[E0597]: `alias_file` does not live long enough [INFO] [stdout] --> src/aliases.rs:171:51 [INFO] [stdout] | [INFO] [stdout] 153 | let alias_file = alias_file [INFO] [stdout] | ---------- binding `alias_file` declared here [INFO] [stdout] ... [INFO] [stdout] 171 | .chain(super::core_macro("include_bytes", &alias_file))) [INFO] [stdout] | -----------------------------------^^^^^^^^^^^- [INFO] [stdout] | | | [INFO] [stdout] | | borrowed value does not live long enough [INFO] [stdout] | argument requires that `alias_file` is borrowed for `'static` [INFO] [stdout] 172 | } [INFO] [stdout] | - `alias_file` dropped here while still borrowed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0597]: `alias_file` does not live long enough [INFO] [stdout] --> src/aliases.rs:171:51 [INFO] [stdout] | [INFO] [stdout] 153 | let alias_file = alias_file [INFO] [stdout] | ---------- binding `alias_file` declared here [INFO] [stdout] ... [INFO] [stdout] 171 | .chain(super::core_macro("include_bytes", &alias_file))) [INFO] [stdout] | -----------------------------------^^^^^^^^^^^- [INFO] [stdout] | | | [INFO] [stdout] | | borrowed value does not live long enough [INFO] [stdout] | argument requires that `alias_file` is borrowed for `'static` [INFO] [stdout] 172 | } [INFO] [stdout] | - `alias_file` dropped here while still borrowed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0597`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0597`. [INFO] [stdout] [INFO] [stderr] error: could not compile `attr_alias` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `attr_alias` (lib) due to 2 previous errors [INFO] [stderr] error: failed to check after updating to 2024 [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `cargo check --frozen --all --all-targets --message-format=json` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "56a8f2a485370b84fb91a92d7041819e3b865352859deac2dda1191e539dc577", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56a8f2a485370b84fb91a92d7041819e3b865352859deac2dda1191e539dc577", kill_on_drop: false }` [INFO] [stdout] 56a8f2a485370b84fb91a92d7041819e3b865352859deac2dda1191e539dc577