[INFO] fetching crate mogwai-macros 0.1.0... [INFO] checking mogwai-macros-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate mogwai-macros 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate mogwai-macros 0.1.0 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 mogwai-macros 0.1.0 [INFO] finished tweaking crates.io crate mogwai-macros 0.1.0 [INFO] tweaked toml for crates.io crate mogwai-macros 0.1.0 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 53 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding syn-rsx v0.7.3 (latest: v0.9.0) [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] 37c89ccb6d772aa8254b5b8fea435c521ee87b70697a5b75678a36794db6c58a [INFO] running `Command { std: "docker" "start" "-a" "37c89ccb6d772aa8254b5b8fea435c521ee87b70697a5b75678a36794db6c58a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "37c89ccb6d772aa8254b5b8fea435c521ee87b70697a5b75678a36794db6c58a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37c89ccb6d772aa8254b5b8fea435c521ee87b70697a5b75678a36794db6c58a", kill_on_drop: false }` [INFO] [stdout] 37c89ccb6d772aa8254b5b8fea435c521ee87b70697a5b75678a36794db6c58a [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] ed4962f635e8cdc58a2657749726f7af7d2094c9d8ea611efcfad308da860cb3 [INFO] running `Command { std: "docker" "start" "-a" "ed4962f635e8cdc58a2657749726f7af7d2094c9d8ea611efcfad308da860cb3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.93 [INFO] [stderr] Compiling bumpalo v3.16.0 [INFO] [stderr] Compiling log v0.4.22 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling wasm-bindgen v0.2.93 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking scoped-tls v1.0.1 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking syn-rsx v0.7.3 [INFO] [stderr] Checking mogwai-macros v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.93 [INFO] [stdout] warning: field `name_span` is never read [INFO] [stdout] --> src/tokens.rs:163:9 [INFO] [stdout] | [INFO] [stdout] 161 | Element { [INFO] [stdout] | ------- field in this variant [INFO] [stdout] 162 | name: String, [INFO] [stdout] 163 | name_span: proc_macro2::Span, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ViewToken` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [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/rsx.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 13 | input: proc_macro::TokenStream, [INFO] [stdout] | ------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 14 | ) -> Result<(Vec, Vec), syn::Error> { [INFO] [stdout] 15 | syn_rsx::parse(input) [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/rsx.rs:16:46 [INFO] [stdout] | [INFO] [stdout] 16 | .map(|parsed| crate::partition_unzip(parsed.into_iter(), ViewToken::try_from)) [INFO] [stdout] | ------ ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [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/rsx.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 21 | input: proc_macro::TokenStream, [INFO] [stdout] | ------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 22 | ) -> Result<(Vec, Vec), syn::Error> { [INFO] [stdout] 23 | let tokens: ViewTokens = syn::parse(input)?; [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 24 | Ok((tokens.views, vec![])) [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: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mogwai-macros` (lib) due to 4 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "ed4962f635e8cdc58a2657749726f7af7d2094c9d8ea611efcfad308da860cb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed4962f635e8cdc58a2657749726f7af7d2094c9d8ea611efcfad308da860cb3", kill_on_drop: false }` [INFO] [stdout] ed4962f635e8cdc58a2657749726f7af7d2094c9d8ea611efcfad308da860cb3