[INFO] fetching crate pickleback 0.1.0... [INFO] checking pickleback-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate pickleback 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate pickleback 0.1.0 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 pickleback 0.1.0 [INFO] finished tweaking crates.io crate pickleback 0.1.0 [INFO] tweaked toml for crates.io crate pickleback 0.1.0 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 45 packages to latest compatible versions [INFO] [stderr] Adding env_logger v0.10.2 (available: v0.11.5) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [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-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] a23184b3752d3cb9fe6087b4b180d582365cfa5278fcd75de65a854509a6ae68 [INFO] running `Command { std: "docker" "start" "-a" "a23184b3752d3cb9fe6087b4b180d582365cfa5278fcd75de65a854509a6ae68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a23184b3752d3cb9fe6087b4b180d582365cfa5278fcd75de65a854509a6ae68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a23184b3752d3cb9fe6087b4b180d582365cfa5278fcd75de65a854509a6ae68", kill_on_drop: false }` [INFO] [stdout] a23184b3752d3cb9fe6087b4b180d582365cfa5278fcd75de65a854509a6ae68 [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] c7dd80fedb0bf7c72e78c0724161c07069e77f3d520305d1671e6963b33d6fa3 [INFO] running `Command { std: "docker" "start" "-a" "c7dd80fedb0bf7c72e78c0724161c07069e77f3d520305d1671e6963b33d6fa3", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking lifeguard v0.6.1 [INFO] [stderr] Checking assert_float_eq v1.1.3 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling smallmap v1.4.2 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling enum_dispatch v0.3.13 [INFO] [stderr] Checking env_logger v0.10.2 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking pickleback v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `remaining_slice` and `is_empty` are never used [INFO] [stdout] --> src/cursor.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 52 | pub(crate) trait CursorExtras { [INFO] [stdout] | ------------ methods in this trait [INFO] [stdout] 53 | fn remaining(&self) -> u64; [INFO] [stdout] 54 | fn remaining_slice(&self) -> &[u8]; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 55 | fn is_empty(&self) -> bool; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `remaining_slice` and `is_empty` are never used [INFO] [stdout] --> src/cursor.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 52 | pub(crate) trait CursorExtras { [INFO] [stdout] | ------------ methods in this trait [INFO] [stdout] 53 | fn remaining(&self) -> u64; [INFO] [stdout] 54 | fn remaining_slice(&self) -> &[u8]; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 55 | fn is_empty(&self) -> bool; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Vec` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> tests/soak.rs:54:13 [INFO] [stdout] | [INFO] [stdout] 21 | let mut harness = MessageTestHarness::new(JitterPipeConfig::disabled()); [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 54 | let client_received_messages = harness [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pickleback` (test "soak") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "c7dd80fedb0bf7c72e78c0724161c07069e77f3d520305d1671e6963b33d6fa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7dd80fedb0bf7c72e78c0724161c07069e77f3d520305d1671e6963b33d6fa3", kill_on_drop: false }` [INFO] [stdout] c7dd80fedb0bf7c72e78c0724161c07069e77f3d520305d1671e6963b33d6fa3