[INFO] fetching crate maybe-async-cfg 0.2.4... [INFO] checking maybe-async-cfg-0.2.4 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate maybe-async-cfg 0.2.4 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate maybe-async-cfg 0.2.4 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 maybe-async-cfg 0.2.4 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate maybe-async-cfg 0.2.4 [INFO] tweaked toml for crates.io crate maybe-async-cfg 0.2.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate maybe-async-cfg 0.2.4 already has a lockfile, it will not be regenerated [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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 56185989b5fc6f009e6568968fcd8b5b9b41c013f7986e1c65a7b6d3ed47c5b2 [INFO] running `Command { std: "docker" "start" "-a" "56185989b5fc6f009e6568968fcd8b5b9b41c013f7986e1c65a7b6d3ed47c5b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "56185989b5fc6f009e6568968fcd8b5b9b41c013f7986e1c65a7b6d3ed47c5b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56185989b5fc6f009e6568968fcd8b5b9b41c013f7986e1c65a7b6d3ed47c5b2", kill_on_drop: false }` [INFO] [stdout] 56185989b5fc6f009e6568968fcd8b5b9b41c013f7986e1c65a7b6d3ed47c5b2 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 47f3b223dc8d175df6cd1864c663b875d423ce6916684f47b29cb56114769de1 [INFO] running `Command { std: "docker" "start" "-a" "47f3b223dc8d175df6cd1864c663b875d423ce6916684f47b29cb56114769de1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.85 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling serde v1.0.203 [INFO] [stderr] Checking fastrand v2.1.0 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Compiling rustix v0.38.34 [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Compiling pulldown-cmark v0.11.0 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking unicode-ident v1.0.12 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking indexmap v2.2.6 [INFO] [stderr] Compiling serde_json v1.0.117 [INFO] [stderr] Checking winnow v0.6.13 [INFO] [stderr] Compiling trybuild v1.0.96 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Checking dissimilar v1.0.9 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Checking futures-lite v2.3.0 [INFO] [stderr] Checking piper v0.2.3 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking quote v1.0.36 [INFO] [stderr] Checking io-lifetimes v1.0.11 [INFO] [stderr] Checking polling v2.8.0 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking rustix v0.37.27 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Checking async-executor v1.12.0 [INFO] [stderr] Checking blocking v1.6.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking toml_datetime v0.6.6 [INFO] [stderr] Checking serde_spanned v0.6.6 [INFO] [stderr] Checking toml_edit v0.22.14 [INFO] [stderr] Checking async-io v1.13.0 [INFO] [stderr] Checking maybe-async-cfg v0.2.4 (/opt/rustwide/workdir) [INFO] [stderr] Checking polling v3.7.1 [INFO] [stderr] Checking toml v0.8.14 [INFO] [stderr] Compiling tokio-macros v2.3.0 [INFO] [stderr] Compiling serde_derive v1.0.203 [INFO] [stderr] Compiling async-trait v0.1.80 [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/utils.rs:98:22 [INFO] [stdout] | [INFO] [stdout] 96 | nested: Punctuated, [INFO] [stdout] | ------------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 97 | ) -> syn::NestedMeta { [INFO] [stdout] 98 | NestedMeta::Meta(Meta::List(syn::MetaList { [INFO] [stdout] | ______________________^ [INFO] [stdout] 99 | | path: make_path(name), [INFO] [stdout] 100 | | paren_token: syn::token::Paren(proc_macro2::Span::call_site()), [INFO] [stdout] 101 | | nested, [INFO] [stdout] 102 | | })) [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/utils.rs:117:8 [INFO] [stdout] | [INFO] [stdout] 116 | pub(crate) fn make_attr_ts_from_str>(s: S, span: Span) -> syn::Result { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 117 | Ok(make_attr_from_str(s, span)?.to_token_stream()) [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/utils.rs:144:12 [INFO] [stdout] | [INFO] [stdout] 143 | let content; [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 144 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 145 | | _paren: parenthesized!(content in input), [INFO] [stdout] 146 | | args: content.parse_terminated(NestedMeta::parse)?, [INFO] [stdout] 147 | | }) [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/utils.rs:181:48 [INFO] [stdout] | [INFO] [stdout] 181 | self.0.as_ref().map(|m| DebugByDisplay(m.to_token_stream())).fmt(f) [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 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `maybe-async-cfg` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "47f3b223dc8d175df6cd1864c663b875d423ce6916684f47b29cb56114769de1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47f3b223dc8d175df6cd1864c663b875d423ce6916684f47b29cb56114769de1", kill_on_drop: false }` [INFO] [stdout] 47f3b223dc8d175df6cd1864c663b875d423ce6916684f47b29cb56114769de1