[INFO] fetching crate cpp_demangle 0.4.4... [INFO] checking cpp_demangle-0.4.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate cpp_demangle 0.4.4 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate cpp_demangle 0.4.4 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 cpp_demangle 0.4.4 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate cpp_demangle 0.4.4 [INFO] tweaked toml for crates.io crate cpp_demangle 0.4.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate cpp_demangle 0.4.4 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1700f2b6351e9a34e5e5a40469dec0a6d9e0e58344cb09b240cd0bb78e8deb25 [INFO] running `Command { std: "docker" "start" "-a" "1700f2b6351e9a34e5e5a40469dec0a6d9e0e58344cb09b240cd0bb78e8deb25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1700f2b6351e9a34e5e5a40469dec0a6d9e0e58344cb09b240cd0bb78e8deb25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1700f2b6351e9a34e5e5a40469dec0a6d9e0e58344cb09b240cd0bb78e8deb25", kill_on_drop: false }` [INFO] [stdout] 1700f2b6351e9a34e5e5a40469dec0a6d9e0e58344cb09b240cd0bb78e8deb25 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] eba5f649e5915b2eb6443bc22630ec8c643f738483c669d747580ec7f4a5fa17 [INFO] running `Command { std: "docker" "start" "-a" "eba5f649e5915b2eb6443bc22630ec8c643f738483c669d747580ec7f4a5fa17", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling rustix v0.38.7 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Checking linux-raw-sys v0.4.5 [INFO] [stderr] Compiling cpp_demangle v0.4.4 (/opt/rustwide/workdir) [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Compiling syn v2.0.28 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking anstream v0.3.2 [INFO] [stderr] Checking clap_builder v4.3.21 [INFO] [stdout] error: this value of type `Box` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ast.rs:4153:17 [INFO] [stdout] | [INFO] [stdout] 87 | let _auto_check_recursion = AutoParseRecursion::new($ctx)?; [INFO] [stdout] | --------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 4153 | let expr = Box::new(expr); [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::result::Result<(TemplateArgs, IndexStr<'_>), error::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ast.rs:5522:52 [INFO] [stdout] | [INFO] [stdout] 22 | / match $expr { [INFO] [stdout] 23 | | Result::Err(error::Error::TooMuchRecursion) => { [INFO] [stdout] 24 | | return Result::Err(error::Error::TooMuchRecursion); [INFO] [stdout] 25 | | } [INFO] [stdout] 26 | | val => val, [INFO] [stdout] 27 | | } [INFO] [stdout] | | - [INFO] [stdout] | |_________| [INFO] [stdout] | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 87 | | let _auto_check_recursion = AutoParseRecursion::new($ctx)?; [INFO] [stdout] | | --------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... | [INFO] [stdout] 5521 | | let name = UnscopedName::Unqualified(name); [INFO] [stdout] | | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 5522 | | if let Ok((template, tail)) = try_recurse!(TemplateArgs::parse(ctx, subs, tail)) { [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 `cpp_demangle` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "eba5f649e5915b2eb6443bc22630ec8c643f738483c669d747580ec7f4a5fa17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eba5f649e5915b2eb6443bc22630ec8c643f738483c669d747580ec7f4a5fa17", kill_on_drop: false }` [INFO] [stdout] eba5f649e5915b2eb6443bc22630ec8c643f738483c669d747580ec7f4a5fa17