[INFO] fetching crate const_panic_proc_macros 0.2.1... [INFO] checking const_panic_proc_macros-0.2.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate const_panic_proc_macros 0.2.1 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate const_panic_proc_macros 0.2.1 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate const_panic_proc_macros 0.2.1 [INFO] finished tweaking crates.io crate const_panic_proc_macros 0.2.1 [INFO] tweaked toml for crates.io crate const_panic_proc_macros 0.2.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 6 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b2a343f9d911e5ee39767e24c9ab665e5d331bc2f04c06e1f818b2ba1fbcab59 [INFO] running `Command { std: "docker" "start" "-a" "b2a343f9d911e5ee39767e24c9ab665e5d331bc2f04c06e1f818b2ba1fbcab59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b2a343f9d911e5ee39767e24c9ab665e5d331bc2f04c06e1f818b2ba1fbcab59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2a343f9d911e5ee39767e24c9ab665e5d331bc2f04c06e1f818b2ba1fbcab59", kill_on_drop: false }` [INFO] [stdout] b2a343f9d911e5ee39767e24c9ab665e5d331bc2f04c06e1f818b2ba1fbcab59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9f1b01746dce3b3385b838bfb86a3811f6ef4ff751b932b800484691050a94fb [INFO] running `Command { std: "docker" "start" "-a" "9f1b01746dce3b3385b838bfb86a3811f6ef4ff751b932b800484691050a94fb", kill_on_drop: false }` [INFO] [stderr] Checking unicode-ident v1.0.12 [INFO] [stderr] Checking unicode-xid v0.2.5 [INFO] [stderr] Checking proc-macro2 v1.0.86 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Checking syn v2.0.77 [INFO] [stderr] Checking const_panic_proc_macros v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `vis` is never read [INFO] [stdout] --> src/datastructure.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct DataStructure<'a> { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 21 | pub vis: &'a Visibility, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DataStructure` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `variant` is never read [INFO] [stdout] --> src/datastructure.rs:121:9 [INFO] [stdout] | [INFO] [stdout] 120 | pub struct FieldIndex { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 121 | pub variant: usize, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FieldIndex` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/derive_debug/attribute_parsing.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | Variant(usize, &'a Struct<'a>), [INFO] [stdout] | ------- ^^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ParseCtx` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 27 | Variant((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/derive_debug/attribute_parsing.rs:28:11 [INFO] [stdout] | [INFO] [stdout] 28 | Field(&'a Field<'a>), [INFO] [stdout] | ----- ^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ParseCtx` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 28 | Field(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn derive_const_debug(input: TokenStream1) -> TokenStream1 { [INFO] [stdout] | ------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 25 | / syn::parse(input) [INFO] [stdout] 26 | | .and_then(derive_debug::derive_constdebug_impl) [INFO] [stdout] 27 | | .unwrap_or_else(|e| e.to_compile_error()) [INFO] [stdout] | |_________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/datastructure.rs:95:29 [INFO] [stdout] | [INFO] [stdout] 44 | let mut variants = Vec::new(); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 95 | lifetime_count: ast.generics.lifetimes().count(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/datastructure.rs:237:9 [INFO] [stdout] | [INFO] [stdout] 233 | fn from_iter(p: StructParams<'a>, fields: I) -> Vec [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 237 | / fields [INFO] [stdout] 238 | | .into_iter() [INFO] [stdout] 239 | | .enumerate() [INFO] [stdout] 240 | | .map(|(pos, f)| { [INFO] [stdout] ... | [INFO] [stdout] 245 | | Field::new(fi, f) [INFO] [stdout] 246 | | }) [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/derive_debug/attribute_parsing.rs:209:8 [INFO] [stdout] | [INFO] [stdout] 197 | this: ParsedAttributes<'a>, [INFO] [stdout] | -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 202 | crate_path, [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 203 | impls, [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 204 | gen_params_props, [INFO] [stdout] | ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 209 | Ok(Configuration { [INFO] [stdout] | ________^ [INFO] [stdout] 210 | | debug_print, [INFO] [stdout] 211 | | crate_path, [INFO] [stdout] 212 | | impls, [INFO] [stdout] 213 | | gen_params_props, [INFO] [stdout] 214 | | _marker, [INFO] [stdout] 215 | | }) [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/syntax.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 17 | let mut generics = input.parse::()?; [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 24 | let self_args = input.parse()?; [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 28 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 29 | | generics, [INFO] [stdout] 30 | | self_args, [INFO] [stdout] 31 | | }) [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/syntax.rs:19:35 [INFO] [stdout] | [INFO] [stdout] 19 | input.step(|cursor| match cursor.token_tree() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `const_panic_proc_macros` (lib) due to 7 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `vis` is never read [INFO] [stdout] --> src/datastructure.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct DataStructure<'a> { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 21 | pub vis: &'a Visibility, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DataStructure` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `variant` is never read [INFO] [stdout] --> src/datastructure.rs:121:9 [INFO] [stdout] | [INFO] [stdout] 120 | pub struct FieldIndex { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 121 | pub variant: usize, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FieldIndex` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/derive_debug/attribute_parsing.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | Variant(usize, &'a Struct<'a>), [INFO] [stdout] | ------- ^^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ParseCtx` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 27 | Variant((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/derive_debug/attribute_parsing.rs:28:11 [INFO] [stdout] | [INFO] [stdout] 28 | Field(&'a Field<'a>), [INFO] [stdout] | ----- ^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ParseCtx` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 28 | Field(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn derive_const_debug(input: TokenStream1) -> TokenStream1 { [INFO] [stdout] | ------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 25 | / syn::parse(input) [INFO] [stdout] 26 | | .and_then(derive_debug::derive_constdebug_impl) [INFO] [stdout] 27 | | .unwrap_or_else(|e| e.to_compile_error()) [INFO] [stdout] | |_________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/datastructure.rs:95:29 [INFO] [stdout] | [INFO] [stdout] 44 | let mut variants = Vec::new(); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 95 | lifetime_count: ast.generics.lifetimes().count(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/datastructure.rs:237:9 [INFO] [stdout] | [INFO] [stdout] 233 | fn from_iter(p: StructParams<'a>, fields: I) -> Vec [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 237 | / fields [INFO] [stdout] 238 | | .into_iter() [INFO] [stdout] 239 | | .enumerate() [INFO] [stdout] 240 | | .map(|(pos, f)| { [INFO] [stdout] ... | [INFO] [stdout] 245 | | Field::new(fi, f) [INFO] [stdout] 246 | | }) [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/derive_debug/attribute_parsing.rs:209:8 [INFO] [stdout] | [INFO] [stdout] 197 | this: ParsedAttributes<'a>, [INFO] [stdout] | -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 202 | crate_path, [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 203 | impls, [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 204 | gen_params_props, [INFO] [stdout] | ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 209 | Ok(Configuration { [INFO] [stdout] | ________^ [INFO] [stdout] 210 | | debug_print, [INFO] [stdout] 211 | | crate_path, [INFO] [stdout] 212 | | impls, [INFO] [stdout] 213 | | gen_params_props, [INFO] [stdout] 214 | | _marker, [INFO] [stdout] 215 | | }) [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/derive_debug/tests.rs:9:22 [INFO] [stdout] | [INFO] [stdout] 9 | .map_err(|e| e.to_compile_error().to_string()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/syntax.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 17 | let mut generics = input.parse::()?; [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 24 | let self_args = input.parse()?; [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 28 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 29 | | generics, [INFO] [stdout] 30 | | self_args, [INFO] [stdout] 31 | | }) [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/syntax.rs:19:35 [INFO] [stdout] | [INFO] [stdout] 19 | input.step(|cursor| match cursor.token_tree() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 7 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `const_panic_proc_macros` (lib test) due to 8 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "9f1b01746dce3b3385b838bfb86a3811f6ef4ff751b932b800484691050a94fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f1b01746dce3b3385b838bfb86a3811f6ef4ff751b932b800484691050a94fb", kill_on_drop: false }` [INFO] [stdout] 9f1b01746dce3b3385b838bfb86a3811f6ef4ff751b932b800484691050a94fb