[INFO] fetching crate set_timeout 0.1.4... [INFO] checking set_timeout-0.1.4 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate set_timeout 0.1.4 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate set_timeout 0.1.4 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 set_timeout 0.1.4 [INFO] finished tweaking crates.io crate set_timeout 0.1.4 [INFO] tweaked toml for crates.io crate set_timeout 0.1.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate set_timeout 0.1.4 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] abc659d733f38495f419d70e8f87ba3c431b9b952e0bfd29114ba65685189aa2 [INFO] running `Command { std: "docker" "start" "-a" "abc659d733f38495f419d70e8f87ba3c431b9b952e0bfd29114ba65685189aa2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "abc659d733f38495f419d70e8f87ba3c431b9b952e0bfd29114ba65685189aa2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abc659d733f38495f419d70e8f87ba3c431b9b952e0bfd29114ba65685189aa2", kill_on_drop: false }` [INFO] [stdout] abc659d733f38495f419d70e8f87ba3c431b9b952e0bfd29114ba65685189aa2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c52186c71c64d2ec88947706b04c0e21dc3f160eaf2ad20ac54f197d7a80f6d5 [INFO] running `Command { std: "docker" "start" "-a" "c52186c71c64d2ec88947706b04c0e21dc3f160eaf2ad20ac54f197d7a80f6d5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling futures-core v0.3.24 [INFO] [stderr] Compiling futures-task v0.3.24 [INFO] [stderr] Compiling futures-channel v0.3.24 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling futures-util v0.3.24 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Checking futures-sink v0.3.24 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Checking smallvec v1.9.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking futures-io v0.3.24 [INFO] [stderr] Compiling tokio v1.21.0 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling futures-macro v0.3.24 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Checking futures-executor v0.3.24 [INFO] [stderr] Checking futures v0.3.24 [INFO] [stderr] Checking set_timeout v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `map_first_last` has been stable since 1.66.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 50 | #![feature(map_first_last)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `map_first_last` has been stable since 1.66.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 50 | #![feature(map_first_last)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [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] --> examples/multitasking.rs:20:42 [INFO] [stdout] | [INFO] [stdout] 16 | let scheduler = Arc::clone(&scheduler); [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 20 | scheduler.set_timeout(delay, async move { [INFO] [stdout] | __________________________________________^ [INFO] [stdout] 21 | | println!( [INFO] [stdout] 22 | | "desired delay: {:?}, actual delay: {:?}", [INFO] [stdout] 23 | | delay, [INFO] [stdout] 24 | | start.elapsed() [INFO] [stdout] 25 | | ); [INFO] [stdout] 26 | | }) [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 `set_timeout` (example "multitasking") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "c52186c71c64d2ec88947706b04c0e21dc3f160eaf2ad20ac54f197d7a80f6d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c52186c71c64d2ec88947706b04c0e21dc3f160eaf2ad20ac54f197d7a80f6d5", kill_on_drop: false }` [INFO] [stdout] c52186c71c64d2ec88947706b04c0e21dc3f160eaf2ad20ac54f197d7a80f6d5