[INFO] fetching crate fast_async_trait_proc 0.1.1... [INFO] checking fast_async_trait_proc-0.1.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate fast_async_trait_proc 0.1.1 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate fast_async_trait_proc 0.1.1 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 fast_async_trait_proc 0.1.1 [INFO] finished tweaking crates.io crate fast_async_trait_proc 0.1.1 [INFO] tweaked toml for crates.io crate fast_async_trait_proc 0.1.1 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 6 packages to latest compatible versions [INFO] [stderr] Adding derive-syn-parse v0.1.5 (latest: v0.2.0) [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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dc5c4d68f227878e75355b4bfd9fe3de6d6d0e3df94b16e6d5baee47264d972f [INFO] running `Command { std: "docker" "start" "-a" "dc5c4d68f227878e75355b4bfd9fe3de6d6d0e3df94b16e6d5baee47264d972f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dc5c4d68f227878e75355b4bfd9fe3de6d6d0e3df94b16e6d5baee47264d972f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc5c4d68f227878e75355b4bfd9fe3de6d6d0e3df94b16e6d5baee47264d972f", kill_on_drop: false }` [INFO] [stdout] dc5c4d68f227878e75355b4bfd9fe3de6d6d0e3df94b16e6d5baee47264d972f [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 90c04fecea57b1f5c31e74981ecb2dae036b9adb375e1689d1de78c637aee09c [INFO] running `Command { std: "docker" "start" "-a" "90c04fecea57b1f5c31e74981ecb2dae036b9adb375e1689d1de78c637aee09c", kill_on_drop: false }` [INFO] [stderr] Checking unicode-ident v1.0.12 [INFO] [stderr] Compiling derive-syn-parse v0.1.5 [INFO] [stderr] Checking proc-macro2 v1.0.86 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Checking syn v1.0.109 [INFO] [stderr] Checking fast_async_trait_proc v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `syn_no_non_exhaustive` [INFO] [stdout] --> src/def.rs:195:19 [INFO] [stdout] | [INFO] [stdout] 195 | #[cfg(syn_no_non_exhaustive)] [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(syn_no_non_exhaustive)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(syn_no_non_exhaustive)");` 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 value: `printing` [INFO] [stdout] --> src/imp.rs:58:15 [INFO] [stdout] | [INFO] [stdout] 58 | #[cfg(not(feature = "printing"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `printing` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `printing` [INFO] [stdout] --> src/imp.rs:81:19 [INFO] [stdout] | [INFO] [stdout] 81 | #[cfg(feature = "printing")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `printing` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `printing` [INFO] [stdout] --> src/imp.rs:83:23 [INFO] [stdout] | [INFO] [stdout] 83 | #[cfg(not(feature = "printing"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `printing` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `syn_no_non_exhaustive` [INFO] [stdout] --> src/def.rs:195:19 [INFO] [stdout] | [INFO] [stdout] 195 | #[cfg(syn_no_non_exhaustive)] [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(syn_no_non_exhaustive)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(syn_no_non_exhaustive)");` 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 value: `printing` [INFO] [stdout] --> src/imp.rs:58:15 [INFO] [stdout] | [INFO] [stdout] 58 | #[cfg(not(feature = "printing"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `printing` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `printing` [INFO] [stdout] --> src/imp.rs:81:19 [INFO] [stdout] | [INFO] [stdout] 81 | #[cfg(feature = "printing")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `printing` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `printing` [INFO] [stdout] --> src/imp.rs:83:23 [INFO] [stdout] | [INFO] [stdout] 83 | #[cfg(not(feature = "printing"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `printing` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `brace_token` is never read [INFO] [stdout] --> src/def.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct AsyncTraitDef { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 36 | pub brace_token: syn::token::Brace, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `brace_token` is never read [INFO] [stdout] --> src/imp.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct AsyncItemImpl { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 11 | pub brace_token: syn::token::Brace, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `brace_token` is never read [INFO] [stdout] --> src/def.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct AsyncTraitDef { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 36 | pub brace_token: syn::token::Brace, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `brace_token` is never read [INFO] [stdout] --> src/imp.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct AsyncItemImpl { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 11 | pub brace_token: syn::token::Brace, [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/def.rs:126:16 [INFO] [stdout] | [INFO] [stdout] 92 | mut attrs: Vec, [INFO] [stdout] | ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 93 | vis: Visibility, [INFO] [stdout] | --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 97 | ident: Ident, [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 98 | mut generics: Generics, [INFO] [stdout] | ---------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 102 | let mut supertraits = Punctuated::new(); [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 118 | let content; [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 119 | let brace_token = braced!(content in input); [INFO] [stdout] | ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 120 | attrs.append(&mut Attribute::parse_inner(&content)?); [INFO] [stdout] 121 | let mut items = Vec::new(); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 126 | Ok(AsyncTraitDef { [INFO] [stdout] | ________________^ [INFO] [stdout] 127 | | attrs, [INFO] [stdout] 128 | | vis, [INFO] [stdout] 129 | | unsafety, [INFO] [stdout] ... | [INFO] [stdout] 137 | | items, [INFO] [stdout] 138 | | }) [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/def.rs:126:16 [INFO] [stdout] | [INFO] [stdout] 92 | mut attrs: Vec, [INFO] [stdout] | ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 93 | vis: Visibility, [INFO] [stdout] | --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 97 | ident: Ident, [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 98 | mut generics: Generics, [INFO] [stdout] | ---------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 102 | let mut supertraits = Punctuated::new(); [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 118 | let content; [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 119 | let brace_token = braced!(content in input); [INFO] [stdout] | ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 120 | attrs.append(&mut Attribute::parse_inner(&content)?); [INFO] [stdout] 121 | let mut items = Vec::new(); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 126 | Ok(AsyncTraitDef { [INFO] [stdout] | ________________^ [INFO] [stdout] 127 | | attrs, [INFO] [stdout] 128 | | vis, [INFO] [stdout] 129 | | unsafety, [INFO] [stdout] ... | [INFO] [stdout] 137 | | items, [INFO] [stdout] 138 | | }) [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/def.rs:209:12 [INFO] [stdout] | [INFO] [stdout] 205 | let fork = input.fork(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 209 | && fork.parse::>().is_ok() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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/def.rs:209:12 [INFO] [stdout] | [INFO] [stdout] 205 | let fork = input.fork(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 209 | && fork.parse::>().is_ok() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fast_async_trait_proc` (lib test) due to 3 previous errors; 6 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `fast_async_trait_proc` (lib) due to 3 previous errors; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "90c04fecea57b1f5c31e74981ecb2dae036b9adb375e1689d1de78c637aee09c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90c04fecea57b1f5c31e74981ecb2dae036b9adb375e1689d1de78c637aee09c", kill_on_drop: false }` [INFO] [stdout] 90c04fecea57b1f5c31e74981ecb2dae036b9adb375e1689d1de78c637aee09c