[INFO] fetching crate xplm 0.4.1... [INFO] checking xplm-0.4.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate xplm 0.4.1 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate xplm 0.4.1 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 xplm 0.4.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate xplm 0.4.1 [INFO] tweaked toml for crates.io crate xplm 0.4.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate xplm 0.4.1 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 169560e5c0c8a5e1c5e50e2453c5a2c1f4975b524676ef0f382925c71b4ce7ab [INFO] running `Command { std: "docker" "start" "-a" "169560e5c0c8a5e1c5e50e2453c5a2c1f4975b524676ef0f382925c71b4ce7ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "169560e5c0c8a5e1c5e50e2453c5a2c1f4975b524676ef0f382925c71b4ce7ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "169560e5c0c8a5e1c5e50e2453c5a2c1f4975b524676ef0f382925c71b4ce7ab", kill_on_drop: false }` [INFO] [stdout] 169560e5c0c8a5e1c5e50e2453c5a2c1f4975b524676ef0f382925c71b4ce7ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] cfda619567c90bbe751fe5145c27d7541571637550d163d09aaa5e3ec074348f [INFO] running `Command { std: "docker" "start" "-a" "cfda619567c90bbe751fe5145c27d7541571637550d163d09aaa5e3ec074348f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling rustix v0.38.31 [INFO] [stderr] Compiling prettyplease v0.2.16 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling either v1.10.0 [INFO] [stderr] Compiling linux-raw-sys v0.4.13 [INFO] [stderr] Compiling bitflags v2.4.2 [INFO] [stderr] Compiling memchr v2.7.1 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Compiling bindgen v0.69.4 [INFO] [stderr] Compiling clang-sys v1.7.0 [INFO] [stderr] Compiling libloading v0.8.3 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Compiling itertools v0.12.1 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.52 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Compiling which v4.4.2 [INFO] [stderr] Compiling cexpr v0.6.0 [INFO] [stderr] Compiling regex v1.10.3 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling xplm-sys v0.5.0 [INFO] [stderr] Checking xplm v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/plugin/internal.rs:45:15 [INFO] [stdout] | [INFO] [stdout] 45 | match P::start() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:84:15 [INFO] [stdout] | [INFO] [stdout] 84 | match std::ffi::CString::new(formatted_string) { [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] | [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 `Result<(),

::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/plugin/internal.rs:101:68 [INFO] [stdout] | [INFO] [stdout] 101 | let unwind = panic::catch_unwind(AssertUnwindSafe(|| match (*data.plugin).enable() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:84:15 [INFO] [stdout] | [INFO] [stdout] 84 | match std::ffi::CString::new(formatted_string) { [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] | [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 `xplm` (lib test) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `Result::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/plugin/internal.rs:45:15 [INFO] [stdout] | [INFO] [stdout] 45 | match P::start() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:84:15 [INFO] [stdout] | [INFO] [stdout] 84 | match std::ffi::CString::new(formatted_string) { [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] | [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 `Result<(),

::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/plugin/internal.rs:101:68 [INFO] [stdout] | [INFO] [stdout] 101 | let unwind = panic::catch_unwind(AssertUnwindSafe(|| match (*data.plugin).enable() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:84:15 [INFO] [stdout] | [INFO] [stdout] 84 | match std::ffi::CString::new(formatted_string) { [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] | [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 `xplm` (lib) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "cfda619567c90bbe751fe5145c27d7541571637550d163d09aaa5e3ec074348f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfda619567c90bbe751fe5145c27d7541571637550d163d09aaa5e3ec074348f", kill_on_drop: false }` [INFO] [stdout] cfda619567c90bbe751fe5145c27d7541571637550d163d09aaa5e3ec074348f