[INFO] fetching crate mogwai-macros 0.1.0... [INFO] checking mogwai-macros-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate mogwai-macros 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate mogwai-macros 0.1.0 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 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-6-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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 52 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] [stderr] Adding syn-rsx v0.7.3 (available: v0.9.0) [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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7725c266c78bf582592b962ea2a20fddc886503d02b42dc3bbd767982dd862b0 [INFO] running `Command { std: "docker" "start" "-a" "7725c266c78bf582592b962ea2a20fddc886503d02b42dc3bbd767982dd862b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7725c266c78bf582592b962ea2a20fddc886503d02b42dc3bbd767982dd862b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7725c266c78bf582592b962ea2a20fddc886503d02b42dc3bbd767982dd862b0", kill_on_drop: false }` [INFO] [stdout] 7725c266c78bf582592b962ea2a20fddc886503d02b42dc3bbd767982dd862b0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 80a118ab4e8f90ab970f9bc5fe51d114e287a13dacdbff7476cb3e2cd41c6355 [INFO] running `Command { std: "docker" "start" "-a" "80a118ab4e8f90ab970f9bc5fe51d114e287a13dacdbff7476cb3e2cd41c6355", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.93 [INFO] [stderr] Compiling log v0.4.22 [INFO] [stderr] Compiling bumpalo v3.16.0 [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] Checking unicode-ident v1.0.13 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking scoped-tls v1.0.1 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Checking syn v1.0.109 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking syn-rsx v0.7.3 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.93 [INFO] [stderr] Checking mogwai-macros v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `proc_macro2::Ident` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/tokens.rs:179:17 [INFO] [stdout] | [INFO] [stdout] 179 | let tag: Ident = input.parse()?; [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 182 | let _paren_token: token::Paren = syn::parenthesized!(paren_content in input); [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] ... [INFO] [stdout] 191 | let _brace: token::Brace = syn::braced!(brace_content in input); [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] | [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 `Vec` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:58:18 [INFO] [stdout] | [INFO] [stdout] 44 | let mogwai_path = quote! { mogwai }; [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 58 | let (attribute_tokens, attribute_errs) = [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 81 | Ok(quote! {{ [INFO] [stdout] | ____________________- [INFO] [stdout] | |____________________| [INFO] [stdout] | |____________________| [INFO] [stdout] | |____________________| [INFO] [stdout] | |____________________| [INFO] [stdout] | |____________________| [INFO] [stdout] 82 | | #create [INFO] [stdout] 83 | | #(#attribute_tokens)* [INFO] [stdout] 84 | | #(#child_tokens)* [INFO] [stdout] 85 | | }}) [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] | |__________________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] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [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: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mogwai-macros` (lib) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "80a118ab4e8f90ab970f9bc5fe51d114e287a13dacdbff7476cb3e2cd41c6355", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80a118ab4e8f90ab970f9bc5fe51d114e287a13dacdbff7476cb3e2cd41c6355", kill_on_drop: false }` [INFO] [stdout] 80a118ab4e8f90ab970f9bc5fe51d114e287a13dacdbff7476cb3e2cd41c6355