[INFO] fetching crate bach 0.0.6... [INFO] checking bach-0.0.6 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate bach 0.0.6 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate bach 0.0.6 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 bach 0.0.6 [INFO] finished tweaking crates.io crate bach 0.0.6 [INFO] tweaked toml for crates.io crate bach 0.0.6 written to /workspace/builds/worker-7-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 104 packages to latest compatible versions [INFO] [stderr] Adding arr_macro v0.1.3 (available: v0.2.1) [INFO] [stderr] Adding arr_macro_impl v0.1.3 (available: v0.2.1) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding bolero v0.6.2 (available: v0.11.1) [INFO] [stderr] Adding bolero-afl v0.6.2 (available: v0.11.0) [INFO] [stderr] Adding bolero-engine v0.6.2 (available: v0.11.2) [INFO] [stderr] Adding bolero-generator v0.6.2 (available: v0.11.1) [INFO] [stderr] Adding bolero-generator-derive v0.6.2 (available: v0.11.0) [INFO] [stderr] Adding bolero-honggfuzz v0.6.2 (available: v0.11.0) [INFO] [stderr] Adding bolero-libfuzzer v0.6.4 (available: v0.11.0) [INFO] [stderr] Adding cfg-if v0.1.10 (available: v1.0.0) [INFO] [stderr] Adding clap v2.34.0 (available: v4.5.18) [INFO] [stderr] Adding crossbeam-channel v0.4.4 (available: v0.5.13) [INFO] [stderr] Adding crossbeam-utils v0.7.2 (available: v0.8.20) [INFO] [stderr] Adding heck v0.3.3 (available: v0.5.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (available: v0.4.0) [INFO] [stderr] Adding libtest-mimic v0.3.0 (available: v0.7.3) [INFO] [stderr] Adding pretty-hex v0.2.1 (available: v0.4.1) [INFO] [stderr] Adding strsim v0.8.0 (available: v0.11.1) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] [stderr] Adding textwrap v0.11.0 (available: v0.16.1) [INFO] [stderr] Adding unicode-width v0.1.14 (available: v0.2.0) [INFO] [stderr] Adding wasi v0.11.0+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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5fba2c586165339c2bcece6e730559646f2a896e64dd255d60f8baea55429e3f [INFO] running `Command { std: "docker" "start" "-a" "5fba2c586165339c2bcece6e730559646f2a896e64dd255d60f8baea55429e3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5fba2c586165339c2bcece6e730559646f2a896e64dd255d60f8baea55429e3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5fba2c586165339c2bcece6e730559646f2a896e64dd255d60f8baea55429e3f", kill_on_drop: false }` [INFO] [stdout] 5fba2c586165339c2bcece6e730559646f2a896e64dd255d60f8baea55429e3f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8fd9baf03cebfe6b828912110fb958ac507f4c22477bb338684704638ff31d32 [INFO] running `Command { std: "docker" "start" "-a" "8fd9baf03cebfe6b828912110fb958ac507f4c22477bb338684704638ff31d32", kill_on_drop: false }` [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling memoffset v0.9.1 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Compiling bolero-generator-derive v0.6.2 [INFO] [stderr] Checking pretty-hex v0.2.1 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking rand_xoshiro v0.6.0 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking async-task v4.7.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking intrusive-collections v0.9.7 [INFO] [stderr] Checking object v0.36.4 [INFO] [stderr] Checking bolero-generator v0.6.2 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling arr_macro_impl v0.1.3 [INFO] [stderr] Checking arr_macro v0.1.3 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking libtest-mimic v0.3.0 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking backtrace v0.3.74 [INFO] [stderr] Checking pin-project v1.1.5 [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 bolero-engine v0.6.2 [INFO] [stderr] Checking bach v0.0.6 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/executor.rs:15:29 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn cancel(mut self) { [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 15 | if let Some(task) = self.0.take() { [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 `parking_lot::lock_api::MutexGuard<'_, parking_lot::RawMutex, Option>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/queue.rs:27:30 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn send(&self, value: T) { [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 27 | if let Some(queue) = self.0.lock().as_mut() { [INFO] [stdout] | ^^^^^^^^^^^^^ [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] [stderr] Checking bolero v0.6.2 [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bach` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "8fd9baf03cebfe6b828912110fb958ac507f4c22477bb338684704638ff31d32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fd9baf03cebfe6b828912110fb958ac507f4c22477bb338684704638ff31d32", kill_on_drop: false }` [INFO] [stdout] 8fd9baf03cebfe6b828912110fb958ac507f4c22477bb338684704638ff31d32