[INFO] fetching crate mwt 0.4.3... [INFO] checking mwt-0.4.3 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate mwt 0.4.3 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate mwt 0.4.3 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mwt 0.4.3 [INFO] finished tweaking crates.io crate mwt 0.4.3 [INFO] tweaked toml for crates.io crate mwt 0.4.3 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] daee0538bcacda398f048d3c0d50c9be2d1e061103dc8085a9c5285bb0d4ad8b [INFO] running `Command { std: "docker" "start" "-a" "daee0538bcacda398f048d3c0d50c9be2d1e061103dc8085a9c5285bb0d4ad8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "daee0538bcacda398f048d3c0d50c9be2d1e061103dc8085a9c5285bb0d4ad8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "daee0538bcacda398f048d3c0d50c9be2d1e061103dc8085a9c5285bb0d4ad8b", kill_on_drop: false }` [INFO] [stdout] daee0538bcacda398f048d3c0d50c9be2d1e061103dc8085a9c5285bb0d4ad8b [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 567bfccc726985a3bb31388d194797aca5e73262525a605376d5cc3a770c49ff [INFO] running `Command { std: "docker" "start" "-a" "567bfccc726985a3bb31388d194797aca5e73262525a605376d5cc3a770c49ff", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Checking mwt v0.4.3 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `TypePath` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/args.rs:87:24 [INFO] [stdout] | [INFO] [stdout] 85 | fn fold_type(&mut self, t: Type) -> Type { [INFO] [stdout] | - [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 86 | match t { [INFO] [stdout] 87 | Type::Path(t) => { [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: this value of type `std::boxed::Box` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/args.rs:157:16 [INFO] [stdout] | [INFO] [stdout] 156 | fn fold_type_reference(&mut self, tr: TypeReference) -> TypeReference { [INFO] [stdout] | -- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 157 | match *tr.elem.clone() { [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: this value of type `TypePath` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/args.rs:87:24 [INFO] [stdout] | [INFO] [stdout] 85 | fn fold_type(&mut self, t: Type) -> Type { [INFO] [stdout] | - [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 86 | match t { [INFO] [stdout] 87 | Type::Path(t) => { [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: this value of type `std::boxed::Box` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/args.rs:157:16 [INFO] [stdout] | [INFO] [stdout] 156 | fn fold_type_reference(&mut self, tr: TypeReference) -> TypeReference { [INFO] [stdout] | -- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 157 | match *tr.elem.clone() { [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: this value of type `ExprBlock` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/args.rs:189:25 [INFO] [stdout] | [INFO] [stdout] 187 | fn fold_expr(&mut self, e: Expr) -> Expr { [INFO] [stdout] | - [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 188 | match e { [INFO] [stdout] 189 | Expr::Block(eb) => { [INFO] [stdout] | ^^ [INFO] [stdout] ... [INFO] [stdout] 193 | Expr::Verbatim(quote! { [INFO] [stdout] | ________________________________________- [INFO] [stdout] 194 | | #(#statements);* [INFO] [stdout] 195 | | }) [INFO] [stdout] | |_________________________- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 204 | Expr::Verbatim(quote! { [INFO] [stdout] | ________________________________________- [INFO] [stdout] 205 | | #(#statements);* [INFO] [stdout] 206 | | }) [INFO] [stdout] | |_________________________- these local bindings with significant drop implementation may 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: this value of type `ExprBlock` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/args.rs:189:25 [INFO] [stdout] | [INFO] [stdout] 187 | fn fold_expr(&mut self, e: Expr) -> Expr { [INFO] [stdout] | - [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 188 | match e { [INFO] [stdout] 189 | Expr::Block(eb) => { [INFO] [stdout] | ^^ [INFO] [stdout] ... [INFO] [stdout] 193 | Expr::Verbatim(quote! { [INFO] [stdout] | ________________________________________- [INFO] [stdout] 194 | | #(#statements);* [INFO] [stdout] 195 | | }) [INFO] [stdout] | |_________________________- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 204 | Expr::Verbatim(quote! { [INFO] [stdout] | ________________________________________- [INFO] [stdout] 205 | | #(#statements);* [INFO] [stdout] 206 | | }) [INFO] [stdout] | |_________________________- these local bindings with significant drop implementation may 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: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mwt` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `mwt` (lib test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "567bfccc726985a3bb31388d194797aca5e73262525a605376d5cc3a770c49ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "567bfccc726985a3bb31388d194797aca5e73262525a605376d5cc3a770c49ff", kill_on_drop: false }` [INFO] [stdout] 567bfccc726985a3bb31388d194797aca5e73262525a605376d5cc3a770c49ff