[INFO] fetching crate struct_as_array 0.2.0... [INFO] checking struct_as_array-0.2.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate struct_as_array 0.2.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate struct_as_array 0.2.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate struct_as_array 0.2.0 [INFO] finished tweaking crates.io crate struct_as_array 0.2.0 [INFO] tweaked toml for crates.io crate struct_as_array 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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 3 packages to latest compatible versions [INFO] [stderr] Adding quote v0.2.3 (available: v1.0.37) [INFO] [stderr] Adding syn v0.8.7 (available: v2.0.77) [INFO] [stderr] Adding unicode-xid v0.0.3 (available: v0.2.6) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 467c99c6cbf2c0e3d2a43fed607a32d76674b47cec1341687841caf342263575 [INFO] running `Command { std: "docker" "start" "-a" "467c99c6cbf2c0e3d2a43fed607a32d76674b47cec1341687841caf342263575", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "467c99c6cbf2c0e3d2a43fed607a32d76674b47cec1341687841caf342263575", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "467c99c6cbf2c0e3d2a43fed607a32d76674b47cec1341687841caf342263575", kill_on_drop: false }` [INFO] [stdout] 467c99c6cbf2c0e3d2a43fed607a32d76674b47cec1341687841caf342263575 [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a2c8d85110834b97c9a3176fd14fad2c90e12fbbb4b7ac02529e76448edb6c4 [INFO] running `Command { std: "docker" "start" "-a" "7a2c8d85110834b97c9a3176fd14fad2c90e12fbbb4b7ac02529e76448edb6c4", kill_on_drop: false }` [INFO] [stderr] Checking quote v0.2.3 [INFO] [stderr] Checking unicode-xid v0.0.3 [INFO] [stderr] Checking syn v0.8.7 [INFO] [stderr] Checking struct_as_array v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `std::vec::Vec` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:78:17 [INFO] [stdout] | [INFO] [stdout] 73 | fn struct_as_array(ast: syn::MacroInput) -> quote::Tokens { [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 78 | let mut types = Vec::new(); [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 `std::vec::Vec` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:78:17 [INFO] [stdout] | [INFO] [stdout] 73 | fn struct_as_array(ast: syn::MacroInput) -> quote::Tokens { [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 78 | let mut types = Vec::new(); [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] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `struct_as_array` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `struct_as_array` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "7a2c8d85110834b97c9a3176fd14fad2c90e12fbbb4b7ac02529e76448edb6c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a2c8d85110834b97c9a3176fd14fad2c90e12fbbb4b7ac02529e76448edb6c4", kill_on_drop: false }` [INFO] [stdout] 7a2c8d85110834b97c9a3176fd14fad2c90e12fbbb4b7ac02529e76448edb6c4