[INFO] fetching crate call2-for-syn 3.0.4... [INFO] checking call2-for-syn-3.0.4 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate call2-for-syn 3.0.4 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate call2-for-syn 3.0.4 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 call2-for-syn 3.0.4 [INFO] finished tweaking crates.io crate call2-for-syn 3.0.4 [INFO] tweaked toml for crates.io crate call2-for-syn 3.0.4 written to /workspace/builds/worker-2-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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 68 packages to latest compatible versions [INFO] [stderr] Adding idna v0.5.0 (latest: v1.0.2) [INFO] [stderr] Adding pulldown-cmark v0.9.6 (latest: v0.12.0) [INFO] [stderr] Adding toml v0.7.8 (latest: v0.8.19) [INFO] [stderr] Adding toml_edit v0.19.15 (latest: v0.22.20) [INFO] [stderr] Adding winnow v0.5.40 (latest: v0.6.18) [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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c651f38f19b706d4b2d4c51267f36a044163412998cbcc43edaaf4e189f4d5f1 [INFO] running `Command { std: "docker" "start" "-a" "c651f38f19b706d4b2d4c51267f36a044163412998cbcc43edaaf4e189f4d5f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c651f38f19b706d4b2d4c51267f36a044163412998cbcc43edaaf4e189f4d5f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c651f38f19b706d4b2d4c51267f36a044163412998cbcc43edaaf4e189f4d5f1", kill_on_drop: false }` [INFO] [stdout] c651f38f19b706d4b2d4c51267f36a044163412998cbcc43edaaf4e189f4d5f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3dcc7f8c8a8de6b023e015b35b8e8853a2fd2aa151688951e238f434552c42f4 [INFO] running `Command { std: "docker" "start" "-a" "3dcc7f8c8a8de6b023e015b35b8e8853a2fd2aa151688951e238f434552c42f4", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [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] Compiling unicase v2.7.0 [INFO] [stderr] Compiling pulldown-cmark v0.9.6 [INFO] [stderr] Checking winnow v0.5.40 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Compiling cargo-husky v1.5.0 [INFO] [stderr] Checking scoped-tls v1.0.1 [INFO] [stderr] Checking git_info v0.1.3 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Checking syn v2.0.77 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking toml_edit v0.19.15 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking toml v0.7.8 [INFO] [stderr] Checking version-sync v0.9.5 [INFO] [stderr] Checking call2-for-syn v3.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `never` [INFO] [stdout] --> src/lib.rs:20:11 [INFO] [stdout] | [INFO] [stdout] 20 | #[cfg(all(never, not(never)))] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `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(never)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(never)");` 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] warning: unexpected `cfg` condition name: `never` [INFO] [stdout] --> src/lib.rs:20:22 [INFO] [stdout] | [INFO] [stdout] 20 | #[cfg(all(never, not(never)))] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [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(never)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(never)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [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:146:3 [INFO] [stdout] | [INFO] [stdout] 141 | input: TokenStream, [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 142 | parser: P, [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 143 | ) -> stdResult> { [INFO] [stdout] 144 | let mut parsed = None; [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 145 | match Parser::parse2( [INFO] [stdout] 146 | / |input: ParseStream| { [INFO] [stdout] 147 | | parsed = Some(parser(input)); [INFO] [stdout] 148 | | Ok(()) [INFO] [stdout] 149 | | }, [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: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `call2-for-syn` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "3dcc7f8c8a8de6b023e015b35b8e8853a2fd2aa151688951e238f434552c42f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3dcc7f8c8a8de6b023e015b35b8e8853a2fd2aa151688951e238f434552c42f4", kill_on_drop: false }` [INFO] [stdout] 3dcc7f8c8a8de6b023e015b35b8e8853a2fd2aa151688951e238f434552c42f4