[INFO] fetching crate cmdmat 0.1.4... [INFO] checking cmdmat-0.1.4 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate cmdmat 0.1.4 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate cmdmat 0.1.4 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 cmdmat 0.1.4 [INFO] finished tweaking crates.io crate cmdmat 0.1.4 [INFO] tweaked toml for crates.io crate cmdmat 0.1.4 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 27 packages to latest compatible versions [INFO] [stderr] Adding env_logger v0.7.1 (available: v0.11.5) [INFO] [stderr] Adding getrandom v0.1.16 (available: v0.2.15) [INFO] [stderr] Adding quickcheck v0.9.2 (available: v1.0.3) [INFO] [stderr] Adding quickcheck_macros v0.9.1 (available: v1.0.0) [INFO] [stderr] Adding rand v0.7.3 (available: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (available: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (available: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (available: v0.3.2) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [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] 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] a03f50cf673a9a0f5c0e15cf9f136e20631929eb322c10c05ee1f70fab612bd8 [INFO] running `Command { std: "docker" "start" "-a" "a03f50cf673a9a0f5c0e15cf9f136e20631929eb322c10c05ee1f70fab612bd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a03f50cf673a9a0f5c0e15cf9f136e20631929eb322c10c05ee1f70fab612bd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a03f50cf673a9a0f5c0e15cf9f136e20631929eb322c10c05ee1f70fab612bd8", kill_on_drop: false }` [INFO] [stdout] a03f50cf673a9a0f5c0e15cf9f136e20631929eb322c10c05ee1f70fab612bd8 [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] ed78081effa8bccf5fe8919ad1b66a3347eab3bb58a57e3f4e39889d8df4e719 [INFO] running `Command { std: "docker" "start" "-a" "ed78081effa8bccf5fe8919ad1b66a3347eab3bb58a57e3f4e39889d8df4e719", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Checking cmdmat v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result<(for<'a, 'b> fn(&'a mut C, &'b [A]) -> Result, usize), LookError>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> lib.rs:395:15 [INFO] [stdout] | [INFO] [stdout] 394 | let mut output = SVec::::new(); [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 395 | match self.lookup_internal(input, &mut output) { [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] [stderr] error: could not compile `cmdmat` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "ed78081effa8bccf5fe8919ad1b66a3347eab3bb58a57e3f4e39889d8df4e719", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed78081effa8bccf5fe8919ad1b66a3347eab3bb58a57e3f4e39889d8df4e719", kill_on_drop: false }` [INFO] [stdout] ed78081effa8bccf5fe8919ad1b66a3347eab3bb58a57e3f4e39889d8df4e719