[INFO] fetching crate c-closures-build 4.0.0... [INFO] checking c-closures-build-4.0.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate c-closures-build 4.0.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate c-closures-build 4.0.0 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 c-closures-build 4.0.0 [INFO] finished tweaking crates.io crate c-closures-build 4.0.0 [INFO] tweaked toml for crates.io crate c-closures-build 4.0.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 4 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] 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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f26b4181e9eb281324b8619e598e93d3068dcdc8d2fd6dd1bbbced7cce249c1e [INFO] running `Command { std: "docker" "start" "-a" "f26b4181e9eb281324b8619e598e93d3068dcdc8d2fd6dd1bbbced7cce249c1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f26b4181e9eb281324b8619e598e93d3068dcdc8d2fd6dd1bbbced7cce249c1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f26b4181e9eb281324b8619e598e93d3068dcdc8d2fd6dd1bbbced7cce249c1e", kill_on_drop: false }` [INFO] [stdout] f26b4181e9eb281324b8619e598e93d3068dcdc8d2fd6dd1bbbced7cce249c1e [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 149a8f6a7573faa221e5708536c6f97a5cf9fa3ad2bb57b0539a4cc9b9df41b6 [INFO] running `Command { std: "docker" "start" "-a" "149a8f6a7573faa221e5708536c6f97a5cf9fa3ad2bb57b0539a4cc9b9df41b6", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking c-closures-build v4.0.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:117:39 [INFO] [stdout] | [INFO] [stdout] 61 | let mut tree = parse_str::(rust_code).unwrap(); [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] ... [INFO] [stdout] 117 | if let Ok(mut rust_fmt_process) = Command::new("rustfmt") [INFO] [stdout] | _______________________________________^ [INFO] [stdout] 118 | | .stdin(Stdio::piped()) [INFO] [stdout] 119 | | .stdout(Stdio::piped()) [INFO] [stdout] 120 | | .spawn() [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` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:117:39 [INFO] [stdout] | [INFO] [stdout] 61 | let mut tree = parse_str::(rust_code).unwrap(); [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] ... [INFO] [stdout] 117 | if let Ok(mut rust_fmt_process) = Command::new("rustfmt") [INFO] [stdout] | _______________________________________^ [INFO] [stdout] 118 | | .stdin(Stdio::piped()) [INFO] [stdout] 119 | | .stdout(Stdio::piped()) [INFO] [stdout] 120 | | .spawn() [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 `c-closures-build` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `c-closures-build` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "149a8f6a7573faa221e5708536c6f97a5cf9fa3ad2bb57b0539a4cc9b9df41b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "149a8f6a7573faa221e5708536c6f97a5cf9fa3ad2bb57b0539a4cc9b9df41b6", kill_on_drop: false }` [INFO] [stdout] 149a8f6a7573faa221e5708536c6f97a5cf9fa3ad2bb57b0539a4cc9b9df41b6