[INFO] fetching crate uclicious_derive 0.1.7... [INFO] checking uclicious_derive-0.1.7 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate uclicious_derive 0.1.7 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate uclicious_derive 0.1.7 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 uclicious_derive 0.1.7 [INFO] finished tweaking crates.io crate uclicious_derive 0.1.7 [INFO] tweaked toml for crates.io crate uclicious_derive 0.1.7 written to /workspace/builds/worker-1-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 11 packages to latest compatible versions [INFO] [stderr] Adding darling v0.10.2 (latest: v0.20.10) [INFO] [stderr] Adding darling_core v0.10.2 (latest: v0.20.10) [INFO] [stderr] Adding darling_macro v0.10.2 (latest: v0.20.10) [INFO] [stderr] Adding strsim v0.9.3 (latest: v0.11.1) [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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8c0d3dc4aee692654b22ac6b347eb805062b691dbbffd6b547d468e2f8f3e6fe [INFO] running `Command { std: "docker" "start" "-a" "8c0d3dc4aee692654b22ac6b347eb805062b691dbbffd6b547d468e2f8f3e6fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c0d3dc4aee692654b22ac6b347eb805062b691dbbffd6b547d468e2f8f3e6fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c0d3dc4aee692654b22ac6b347eb805062b691dbbffd6b547d468e2f8f3e6fe", kill_on_drop: false }` [INFO] [stdout] 8c0d3dc4aee692654b22ac6b347eb805062b691dbbffd6b547d468e2f8f3e6fe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] cf2831fb13f711339a5254a3801181da352682b2f30eb9d69f091a6ca2eb4d38 [INFO] running `Command { std: "docker" "start" "-a" "cf2831fb13f711339a5254a3801181da352682b2f30eb9d69f091a6ca2eb4d38", kill_on_drop: false }` [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking ident_case v1.0.1 [INFO] [stderr] Checking syn v1.0.109 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Checking darling v0.10.2 [INFO] [stderr] Checking uclicious_derive v0.1.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `attrs` and `derive` are never read [INFO] [stdout] --> src/options.rs:154:5 [INFO] [stdout] | [INFO] [stdout] 152 | pub struct Options { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 153 | ident: Ident, [INFO] [stdout] 154 | attrs: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 166 | derive: PathList, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Options` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `attrs`, `vis`, and `ty` are never read [INFO] [stdout] --> src/options.rs:204:5 [INFO] [stdout] | [INFO] [stdout] 202 | pub struct Field { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 203 | ident: Option, [INFO] [stdout] 204 | attrs: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 205 | vis: syn::Visibility, [INFO] [stdout] | ^^^ [INFO] [stdout] 206 | ty: syn::Type, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Field` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `initializers`, `doc_comment`, and `validate_fn` are never read [INFO] [stdout] --> src/builder.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 59 | pub struct BuildMethod<'a> { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 71 | pub initializers: Vec, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 72 | /// Doc-comment of the builder struct. [INFO] [stdout] 73 | pub doc_comment: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 80 | pub validate_fn: Option<&'a syn::Path>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BuildMethod` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `default_struct` is never read [INFO] [stdout] --> src/builder.rs:115:9 [INFO] [stdout] | [INFO] [stdout] 105 | pub struct FromObject<'a> { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 115 | pub default_struct: Option, [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:31:5 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn derive(input: TokenStream) -> TokenStream { [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 29 | let ast = parse_macro_input!(input as DeriveInput); [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] 30 | [INFO] [stdout] 31 | derive_for_struct(ast).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/block.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 34 | let b: syn::Block = [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 35 | syn::parse_str(&format!("{{{}}}", expr)).map_err(|e| format!("{}", e))?; [INFO] [stdout] 36 | Ok(Self(b.stmts)) [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 2 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `uclicious_derive` (lib) due to 3 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: fields `attrs` and `derive` are never read [INFO] [stdout] --> src/options.rs:154:5 [INFO] [stdout] | [INFO] [stdout] 152 | pub struct Options { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 153 | ident: Ident, [INFO] [stdout] 154 | attrs: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 166 | derive: PathList, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Options` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `attrs`, `vis`, and `ty` are never read [INFO] [stdout] --> src/options.rs:204:5 [INFO] [stdout] | [INFO] [stdout] 202 | pub struct Field { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 203 | ident: Option, [INFO] [stdout] 204 | attrs: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 205 | vis: syn::Visibility, [INFO] [stdout] | ^^^ [INFO] [stdout] 206 | ty: syn::Type, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Field` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `initializers`, `doc_comment`, and `validate_fn` are never read [INFO] [stdout] --> src/builder.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 59 | pub struct BuildMethod<'a> { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 71 | pub initializers: Vec, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 72 | /// Doc-comment of the builder struct. [INFO] [stdout] 73 | pub doc_comment: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 80 | pub validate_fn: Option<&'a syn::Path>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BuildMethod` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `default_struct` is never read [INFO] [stdout] --> src/builder.rs:115:9 [INFO] [stdout] | [INFO] [stdout] 105 | pub struct FromObject<'a> { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 115 | pub default_struct: Option, [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:31:5 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn derive(input: TokenStream) -> TokenStream { [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 29 | let ast = parse_macro_input!(input as DeriveInput); [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] 30 | [INFO] [stdout] 31 | derive_for_struct(ast).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/block.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 34 | let b: syn::Block = [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 35 | syn::parse_str(&format!("{{{}}}", expr)).map_err(|e| format!("{}", e))?; [INFO] [stdout] 36 | Ok(Self(b.stmts)) [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 2 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `uclicious_derive` (lib test) due to 3 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "cf2831fb13f711339a5254a3801181da352682b2f30eb9d69f091a6ca2eb4d38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf2831fb13f711339a5254a3801181da352682b2f30eb9d69f091a6ca2eb4d38", kill_on_drop: false }` [INFO] [stdout] cf2831fb13f711339a5254a3801181da352682b2f30eb9d69f091a6ca2eb4d38