[INFO] fetching crate nonparallelex 0.2.0... [INFO] checking nonparallelex-0.2.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate nonparallelex 0.2.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate nonparallelex 0.2.0 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 nonparallelex 0.2.0 [INFO] finished tweaking crates.io crate nonparallelex 0.2.0 [INFO] tweaked toml for crates.io crate nonparallelex 0.2.0 written to /workspace/builds/worker-4-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 38 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding miniz_oxide v0.7.4 (latest: v0.8.0) [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e872d3b712691d4622901b42ad3e18bab2fc00c164706258023dee69aba5b914 [INFO] running `Command { std: "docker" "start" "-a" "e872d3b712691d4622901b42ad3e18bab2fc00c164706258023dee69aba5b914", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e872d3b712691d4622901b42ad3e18bab2fc00c164706258023dee69aba5b914", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e872d3b712691d4622901b42ad3e18bab2fc00c164706258023dee69aba5b914", kill_on_drop: false }` [INFO] [stdout] e872d3b712691d4622901b42ad3e18bab2fc00c164706258023dee69aba5b914 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] de80445689acf71ded49d37ab5577a9922a13481906cceba92c32e3ff5f7f33d [INFO] running `Command { std: "docker" "start" "-a" "de80445689acf71ded49d37ab5577a9922a13481906cceba92c32e3ff5f7f33d", kill_on_drop: false }` [INFO] [stderr] Checking unicode-ident v1.0.12 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking nonparallelex v0.2.0 (/opt/rustwide/workdir) [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:66:12 [INFO] [stdout] | [INFO] [stdout] 65 | let expr = input.parse::()?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 66 | Ok(Nonparallel { expr }) [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] = 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/lib.rs:84:23 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn nonparallel(attr: TokenStream, item: TokenStream) -> TokenStream { [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] 72 | // Parse macro attributes [INFO] [stdout] 73 | let Nonparallel { expr } = parse_macro_input!(attr); [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] ... [INFO] [stdout] 76 | let mut function: ItemFn = parse(item).expect("Could not parse ItemFn"); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 79 | let quoted = quote! { let guard = #expr; }; [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] 80 | let stmt: Stmt = parse(quoted.into()).expect("Could not parse quoted statement"); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 84 | TokenStream::from(function.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: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `nonparallelex` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "de80445689acf71ded49d37ab5577a9922a13481906cceba92c32e3ff5f7f33d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de80445689acf71ded49d37ab5577a9922a13481906cceba92c32e3ff5f7f33d", kill_on_drop: false }` [INFO] [stdout] de80445689acf71ded49d37ab5577a9922a13481906cceba92c32e3ff5f7f33d