[INFO] fetching crate neli-proc-macros 0.2.0-rc2... [INFO] checking neli-proc-macros-0.2.0-rc2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate neli-proc-macros 0.2.0-rc2 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate neli-proc-macros 0.2.0-rc2 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate neli-proc-macros 0.2.0-rc2 [INFO] finished tweaking crates.io crate neli-proc-macros 0.2.0-rc2 [INFO] tweaked toml for crates.io crate neli-proc-macros 0.2.0-rc2 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 8 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5602927f4ab4cc0a2022efa73ddc7c6f657af9353e94e05cf7a9ae8808539b81 [INFO] running `Command { std: "docker" "start" "-a" "5602927f4ab4cc0a2022efa73ddc7c6f657af9353e94e05cf7a9ae8808539b81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5602927f4ab4cc0a2022efa73ddc7c6f657af9353e94e05cf7a9ae8808539b81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5602927f4ab4cc0a2022efa73ddc7c6f657af9353e94e05cf7a9ae8808539b81", kill_on_drop: false }` [INFO] [stdout] 5602927f4ab4cc0a2022efa73ddc7c6f657af9353e94e05cf7a9ae8808539b81 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1b6e61f6a5676d7dc01c39c62f1829340d67cd84a9a7f09f58f2db4b09614ed9 [INFO] running `Command { std: "docker" "start" "-a" "1b6e61f6a5676d7dc01c39c62f1829340d67cd84a9a7f09f58f2db4b09614ed9", kill_on_drop: false }` [INFO] [stderr] Checking unicode-ident v1.0.13 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Checking proc-macro2 v1.0.86 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Checking neli-proc-macros v0.2.0-rc2 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `(Option>, bool)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/derive_frombytes.rs:12:11 [INFO] [stdout] | [INFO] [stdout] 7 | fn process_attrs(field_type: Type, field_attrs: Vec) -> TokenStream2 { [INFO] [stdout] | ---------- ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 10 | let size = process_size(&field_attrs) [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 11 | .unwrap_or_else(|| parse_str("input").expect("input is a valid expression")); [INFO] [stdout] 12 | match (input, skip_debug) { [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: this value of type `(Option>, bool)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/derive_frombytes.rs:12:11 [INFO] [stdout] | [INFO] [stdout] 7 | fn process_attrs(field_type: Type, field_attrs: Vec) -> TokenStream2 { [INFO] [stdout] | ---------- ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 10 | let size = process_size(&field_attrs) [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 11 | .unwrap_or_else(|| parse_str("input").expect("input is a valid expression")); [INFO] [stdout] 12 | match (input, skip_debug) { [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `neli-proc-macros` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `neli-proc-macros` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "1b6e61f6a5676d7dc01c39c62f1829340d67cd84a9a7f09f58f2db4b09614ed9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b6e61f6a5676d7dc01c39c62f1829340d67cd84a9a7f09f58f2db4b09614ed9", kill_on_drop: false }` [INFO] [stdout] 1b6e61f6a5676d7dc01c39c62f1829340d67cd84a9a7f09f58f2db4b09614ed9