[INFO] fetching crate opg_derive 0.1.0... [INFO] checking opg_derive-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate opg_derive 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate opg_derive 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 opg_derive 0.1.0 [INFO] finished tweaking crates.io crate opg_derive 0.1.0 [INFO] tweaked toml for crates.io crate opg_derive 0.1.0 written to /workspace/builds/worker-5-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 14 packages to latest compatible versions [INFO] [stderr] Adding http v0.2.12 (available: v1.1.0) [INFO] [stderr] Adding opg v0.0.35 (available: v0.2.1) [INFO] [stderr] Adding opg_derive v0.0.35 (available: v0.1.0) [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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0d212378ada20aac65e67ed7b0a4c68d89e72bce076c57df963deee31342b7ad [INFO] running `Command { std: "docker" "start" "-a" "0d212378ada20aac65e67ed7b0a4c68d89e72bce076c57df963deee31342b7ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d212378ada20aac65e67ed7b0a4c68d89e72bce076c57df963deee31342b7ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d212378ada20aac65e67ed7b0a4c68d89e72bce076c57df963deee31342b7ad", kill_on_drop: false }` [INFO] [stdout] 0d212378ada20aac65e67ed7b0a4c68d89e72bce076c57df963deee31342b7ad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0f6b84f1433d22b931dd1e985a4179567ae3cc71a03192af50dfc2e94b381fcf [INFO] running `Command { std: "docker" "start" "-a" "0f6b84f1433d22b931dd1e985a4179567ae3cc71a03192af50dfc2e94b381fcf", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking bytes v1.7.2 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Checking http v0.2.12 [INFO] [stderr] Checking opg_derive v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `underscore_consts` [INFO] [stdout] --> src/dummy.rs:6:31 [INFO] [stdout] | [INFO] [stdout] 6 | let dummy_const = if cfg!(underscore_consts) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(underscore_consts)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(underscore_consts)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `(Option<(TokenStream2, ())>, Option<(TokenStream2, std::string::String)>, Option<(TokenStream2, std::string::String)>)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/attr.rs:472:11 [INFO] [stdout] | [INFO] [stdout] 471 | fn decide_tag(untagged: BoolAttr, internal_tag: Attr, content: Attr) -> TagType { [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 472 | match ( [INFO] [stdout] | ___________^ [INFO] [stdout] 473 | | untagged.0.get_with_tokens(), [INFO] [stdout] 474 | | internal_tag.get_with_tokens(), [INFO] [stdout] 475 | | content.get_with_tokens(), [INFO] [stdout] 476 | | ) { [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] warning: field `original` is never read [INFO] [stdout] --> src/ast.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Container<'a> { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 12 | pub original: &'a syn::DeriveInput, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `ident` is never read [INFO] [stdout] --> src/ast.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct Variant<'a> { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 21 | pub ident: syn::Ident, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `member` and `ty` are never read [INFO] [stdout] --> src/ast.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct Field<'a> { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 29 | pub member: syn::Member, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 30 | pub attrs: attr::Field, [INFO] [stdout] 31 | pub ty: &'a syn::Type, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `transparent` are never read [INFO] [stdout] --> src/attr.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Container { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 15 | pub name: Name, [INFO] [stdout] | ^^^^ [INFO] [stdout] 16 | pub rename_rule: RenameRule, [INFO] [stdout] 17 | pub transparent: bool, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `explicit_model_type` is never read [INFO] [stdout] --> src/attr.rs:188:9 [INFO] [stdout] | [INFO] [stdout] 179 | pub struct Variant { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 188 | pub explicit_model_type: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `transparent` is never read [INFO] [stdout] --> src/attr.rs:303:9 [INFO] [stdout] | [INFO] [stdout] 299 | pub struct Field { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 303 | pub transparent: bool, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `opg_derive` (lib) due to 2 previous errors; 7 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "0f6b84f1433d22b931dd1e985a4179567ae3cc71a03192af50dfc2e94b381fcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f6b84f1433d22b931dd1e985a4179567ae3cc71a03192af50dfc2e94b381fcf", kill_on_drop: false }` [INFO] [stdout] 0f6b84f1433d22b931dd1e985a4179567ae3cc71a03192af50dfc2e94b381fcf