[INFO] fetching crate async-alloc-counter 0.2.1... [INFO] checking async-alloc-counter-0.2.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate async-alloc-counter 0.2.1 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate async-alloc-counter 0.2.1 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 async-alloc-counter 0.2.1 [INFO] finished tweaking crates.io crate async-alloc-counter 0.2.1 [INFO] tweaked toml for crates.io crate async-alloc-counter 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate async-alloc-counter 0.2.1 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e0059d909557ddb4761cd50f6483c7267e4a93a70592e043042ba8094a66b360 [INFO] running `Command { std: "docker" "start" "-a" "e0059d909557ddb4761cd50f6483c7267e4a93a70592e043042ba8094a66b360", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e0059d909557ddb4761cd50f6483c7267e4a93a70592e043042ba8094a66b360", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0059d909557ddb4761cd50f6483c7267e4a93a70592e043042ba8094a66b360", kill_on_drop: false }` [INFO] [stdout] e0059d909557ddb4761cd50f6483c7267e4a93a70592e043042ba8094a66b360 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 570570ea9b368af6ed7b763fff110a2b6aae7b8d21984bf468ac1ce51b382c9c [INFO] running `Command { std: "docker" "start" "-a" "570570ea9b368af6ed7b763fff110a2b6aae7b8d21984bf468ac1ce51b382c9c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.30 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.80 [INFO] [stderr] Compiling libc v0.2.103 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling futures-macro v0.3.17 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Checking futures-sink v0.3.17 [INFO] [stderr] Checking instant v0.1.11 [INFO] [stderr] Checking slab v0.4.4 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking futures-io v0.3.17 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Compiling tokio v1.12.0 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking async-alloc-counter v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling tokio-macros v1.4.1 [INFO] [stderr] Checking futures-executor v0.3.17 [INFO] [stderr] Checking futures v0.3.17 [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] --> examples/tasks.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | for i in 1..100 { [INFO] [stdout] | _____^ - [INFO] [stdout] | |_____________________| [INFO] [stdout] 11 | || let f = async move { [INFO] [stdout] 12 | || let mut v = Vec::new(); [INFO] [stdout] ... || [INFO] [stdout] 37 | || tokio::time::sleep(Duration::from_millis(100)).await; [INFO] [stdout] 38 | || } [INFO] [stdout] | ||_____^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____| [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 `async-alloc-counter` (example "tasks") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "570570ea9b368af6ed7b763fff110a2b6aae7b8d21984bf468ac1ce51b382c9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "570570ea9b368af6ed7b763fff110a2b6aae7b8d21984bf468ac1ce51b382c9c", kill_on_drop: false }` [INFO] [stdout] 570570ea9b368af6ed7b763fff110a2b6aae7b8d21984bf468ac1ce51b382c9c