[INFO] fetching crate union-fn-macro 0.2.0... [INFO] checking union-fn-macro-0.2.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate union-fn-macro 0.2.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate union-fn-macro 0.2.0 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 union-fn-macro 0.2.0 [INFO] finished tweaking crates.io crate union-fn-macro 0.2.0 [INFO] tweaked toml for crates.io crate union-fn-macro 0.2.0 written to /workspace/builds/worker-7-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] Updating crates.io index [INFO] [stderr] Locking 6 packages to latest compatible versions [INFO] [stderr] Adding heck v0.4.1 (latest: v0.5.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 45117914783dc7f330df1db57792a92cfab927141c919f5460546045f8829cd6 [INFO] running `Command { std: "docker" "start" "-a" "45117914783dc7f330df1db57792a92cfab927141c919f5460546045f8829cd6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "45117914783dc7f330df1db57792a92cfab927141c919f5460546045f8829cd6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45117914783dc7f330df1db57792a92cfab927141c919f5460546045f8829cd6", kill_on_drop: false }` [INFO] [stdout] 45117914783dc7f330df1db57792a92cfab927141c919f5460546045f8829cd6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7c4448c990e093ea97ae6d2483e81d2f6ab209f5251b484c0f0bdecd218d5a02 [INFO] running `Command { std: "docker" "start" "-a" "7c4448c990e093ea97ae6d2483e81d2f6ab209f5251b484c0f0bdecd218d5a02", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking heck v0.4.1 [INFO] [stderr] Checking union-fn-macro v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `get_docs` is never used [INFO] [stdout] --> src/utils.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub trait AttributeExt { [INFO] [stdout] | ------------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 17 | fn get_docs(&self) -> Option; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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:336:5 [INFO] [stdout] | [INFO] [stdout] 335 | pub fn union_fn(attr: TokenStream, item: TokenStream) -> TokenStream { [INFO] [stdout] | ----------------- ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 336 | analyse::union_fn(attr.into(), item.into()).into() [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/analyse.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn union_fn(args: TokenStream2, item: TokenStream2) -> TokenStream2 { [INFO] [stdout] | ------------------ ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 7 | / UnionFn::new(args, item) [INFO] [stdout] 8 | | .map(|func| func.expand()) [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/analyse.rs:344:12 [INFO] [stdout] | [INFO] [stdout] 335 | pub fn new(args: TokenStream2, item: TokenStream2) -> Result { [INFO] [stdout] | ------------------ ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 339 | let mut item = syn::parse2::(item)?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 340 | Self::analyze_trait(&item)?; [INFO] [stdout] 341 | let mut state = UnionFnState::default(); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 344 | Ok(Self { item, state }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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/expand.rs:280:9 [INFO] [stdout] | [INFO] [stdout] 276 | let ctx_param = self [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 280 | self.methods().map(move |method| { [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/expand.rs:280:28 [INFO] [stdout] | [INFO] [stdout] 276 | let ctx_param = self [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 280 | self.methods().map(move |method| { [INFO] [stdout] | ____________________________^ [INFO] [stdout] 281 | | let method_span = method.span(); [INFO] [stdout] 282 | | let method_ident = method.ident(); [INFO] [stdout] 283 | | let variant_ident = method_ident.to_upper_camel_case(); [INFO] [stdout] ... | [INFO] [stdout] 291 | | ) [INFO] [stdout] 292 | | }) [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/utils.rs:34:36 [INFO] [stdout] | [INFO] [stdout] 34 | .and_then(|attr| match attr.parse_meta().ok()? { [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `union-fn-macro` (lib) due to 7 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: method `get_docs` is never used [INFO] [stdout] --> src/utils.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub trait AttributeExt { [INFO] [stdout] | ------------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 17 | fn get_docs(&self) -> Option; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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:336:5 [INFO] [stdout] | [INFO] [stdout] 335 | pub fn union_fn(attr: TokenStream, item: TokenStream) -> TokenStream { [INFO] [stdout] | ----------------- ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 336 | analyse::union_fn(attr.into(), item.into()).into() [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/analyse.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn union_fn(args: TokenStream2, item: TokenStream2) -> TokenStream2 { [INFO] [stdout] | ------------------ ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 7 | / UnionFn::new(args, item) [INFO] [stdout] 8 | | .map(|func| func.expand()) [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/analyse.rs:344:12 [INFO] [stdout] | [INFO] [stdout] 335 | pub fn new(args: TokenStream2, item: TokenStream2) -> Result { [INFO] [stdout] | ------------------ ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 339 | let mut item = syn::parse2::(item)?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 340 | Self::analyze_trait(&item)?; [INFO] [stdout] 341 | let mut state = UnionFnState::default(); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 344 | Ok(Self { item, state }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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/expand.rs:280:9 [INFO] [stdout] | [INFO] [stdout] 276 | let ctx_param = self [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 280 | self.methods().map(move |method| { [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/expand.rs:280:28 [INFO] [stdout] | [INFO] [stdout] 276 | let ctx_param = self [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 280 | self.methods().map(move |method| { [INFO] [stdout] | ____________________________^ [INFO] [stdout] 281 | | let method_span = method.span(); [INFO] [stdout] 282 | | let method_ident = method.ident(); [INFO] [stdout] 283 | | let variant_ident = method_ident.to_upper_camel_case(); [INFO] [stdout] ... | [INFO] [stdout] 291 | | ) [INFO] [stdout] 292 | | }) [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/utils.rs:34:36 [INFO] [stdout] | [INFO] [stdout] 34 | .and_then(|attr| match attr.parse_meta().ok()? { [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `union-fn-macro` (lib test) due to 7 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "7c4448c990e093ea97ae6d2483e81d2f6ab209f5251b484c0f0bdecd218d5a02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c4448c990e093ea97ae6d2483e81d2f6ab209f5251b484c0f0bdecd218d5a02", kill_on_drop: false }` [INFO] [stdout] 7c4448c990e093ea97ae6d2483e81d2f6ab209f5251b484c0f0bdecd218d5a02