[INFO] fetching crate jsonpath_lib-fl 0.3.7... [INFO] checking jsonpath_lib-fl-0.3.7 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate jsonpath_lib-fl 0.3.7 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate jsonpath_lib-fl 0.3.7 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 jsonpath_lib-fl 0.3.7 [INFO] finished tweaking crates.io crate jsonpath_lib-fl 0.3.7 [INFO] tweaked toml for crates.io crate jsonpath_lib-fl 0.3.7 written to /workspace/builds/worker-0-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] Locking 40 packages to latest compatible versions [INFO] [stderr] Adding env_logger v0.7.1 (available: v0.11.5) [INFO] [stderr] Adding hermit-abi v0.1.19 (available: v0.4.0) [INFO] [stderr] Adding humantime v1.3.0 (available: v2.1.0) [INFO] [stderr] Adding quick-error v1.2.3 (available: v2.0.1) [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] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] cace1c22e979c94d1943bd315be2fff2a9dd3108bfd1ada8e76b1f6f2744f070 [INFO] running `Command { std: "docker" "start" "-a" "cace1c22e979c94d1943bd315be2fff2a9dd3108bfd1ada8e76b1f6f2744f070", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cace1c22e979c94d1943bd315be2fff2a9dd3108bfd1ada8e76b1f6f2744f070", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cace1c22e979c94d1943bd315be2fff2a9dd3108bfd1ada8e76b1f6f2744f070", kill_on_drop: false }` [INFO] [stdout] cace1c22e979c94d1943bd315be2fff2a9dd3108bfd1ada8e76b1f6f2744f070 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ea6b2ded6176f7a5ce9aa1eaecee79734be494000a2ccb0a42f73f9c12f4aa81 [INFO] running `Command { std: "docker" "start" "-a" "ea6b2ded6176f7a5ce9aa1eaecee79734be494000a2ccb0a42f73f9c12f4aa81", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Compiling serde_json v1.0.128 [INFO] [stderr] Checking array_tool v1.0.3 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking serde v1.0.210 [INFO] [stderr] Checking jsonpath_lib-fl v0.3.7 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result::Err>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/parser/mod.rs:19:15 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn string_to_num(string: &str, msg_handler: F) -> Result [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 19 | match string.parse() { [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 `Result::Err>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/parser/mod.rs:19:15 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn string_to_num(string: &str, msg_handler: F) -> Result [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 19 | match string.parse() { [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] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/ffi/mod.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | std::mem::forget(ref_node); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^--------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `*mut parser::Node` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(forgetting_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 38 - std::mem::forget(ref_node); [INFO] [stdout] 38 + let _ = ref_node; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `jsonpath_lib-fl` (lib) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/ffi/mod.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | std::mem::forget(ref_node); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^--------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `*mut parser::Node` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(forgetting_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 38 - std::mem::forget(ref_node); [INFO] [stdout] 38 + let _ = ref_node; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `jsonpath_lib-fl` (lib test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "ea6b2ded6176f7a5ce9aa1eaecee79734be494000a2ccb0a42f73f9c12f4aa81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea6b2ded6176f7a5ce9aa1eaecee79734be494000a2ccb0a42f73f9c12f4aa81", kill_on_drop: false }` [INFO] [stdout] ea6b2ded6176f7a5ce9aa1eaecee79734be494000a2ccb0a42f73f9c12f4aa81