[INFO] fetching crate lightproc 0.3.6-alpha.0... [INFO] checking lightproc-0.3.6-alpha.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate lightproc 0.3.6-alpha.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate lightproc 0.3.6-alpha.0 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lightproc 0.3.6-alpha.0 [INFO] finished tweaking crates.io crate lightproc 0.3.6-alpha.0 [INFO] tweaked toml for crates.io crate lightproc 0.3.6-alpha.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate lightproc 0.3.6-alpha.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8908008a8b5646417b9231e16f5d009ed36c802d3a416aded80c03d602963806 [INFO] running `Command { std: "docker" "start" "-a" "8908008a8b5646417b9231e16f5d009ed36c802d3a416aded80c03d602963806", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8908008a8b5646417b9231e16f5d009ed36c802d3a416aded80c03d602963806", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8908008a8b5646417b9231e16f5d009ed36c802d3a416aded80c03d602963806", kill_on_drop: false }` [INFO] [stdout] 8908008a8b5646417b9231e16f5d009ed36c802d3a416aded80c03d602963806 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 88deec68163e8154daeae9acff4abfe0e8c3712f8e03b86a99be331992745a5c [INFO] running `Command { std: "docker" "start" "-a" "88deec68163e8154daeae9acff4abfe0e8c3712f8e03b86a99be331992745a5c", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling futures-task v0.3.19 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Compiling crossbeam-queue v0.3.2 [INFO] [stderr] Compiling futures-util v0.3.19 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking lightproc v0.3.6-alpha.0 (/opt/rustwide/workdir) [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lightproc.rs:102:16 [INFO] [stdout] | [INFO] [stdout] 91 | future: F, [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 92 | schedule: S, [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 93 | stack: ProcStack, [INFO] [stdout] | ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 100 | let recovery_future = AssertUnwindSafe(future).catch_unwind(); [INFO] [stdout] | --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 101 | let (proc, handle) = Self::build(recovery_future, schedule, stack); [INFO] [stdout] | ---- ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 102 | (proc, RecoverableHandle(handle)) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/proc_stack.rs:183:10 [INFO] [stdout] | [INFO] [stdout] 181 | let state = self.state.clone(); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 182 | let s = unsafe { &*(&state as *const ProcState as *const Arc>) }; [INFO] [stdout] 183 | *s.lock().unwrap() [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] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lightproc` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "88deec68163e8154daeae9acff4abfe0e8c3712f8e03b86a99be331992745a5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88deec68163e8154daeae9acff4abfe0e8c3712f8e03b86a99be331992745a5c", kill_on_drop: false }` [INFO] [stdout] 88deec68163e8154daeae9acff4abfe0e8c3712f8e03b86a99be331992745a5c