[INFO] fetching crate aktrs 0.1.0-alpha.5... [INFO] checking aktrs-0.1.0-alpha.5 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate aktrs 0.1.0-alpha.5 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate aktrs 0.1.0-alpha.5 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 aktrs 0.1.0-alpha.5 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate aktrs 0.1.0-alpha.5 [INFO] tweaked toml for crates.io crate aktrs 0.1.0-alpha.5 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate aktrs 0.1.0-alpha.5 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6b93e98edb20370357652d9d863ed2e45abdc597ffeefb0ab2bf33ff1b266d30 [INFO] running `Command { std: "docker" "start" "-a" "6b93e98edb20370357652d9d863ed2e45abdc597ffeefb0ab2bf33ff1b266d30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6b93e98edb20370357652d9d863ed2e45abdc597ffeefb0ab2bf33ff1b266d30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b93e98edb20370357652d9d863ed2e45abdc597ffeefb0ab2bf33ff1b266d30", kill_on_drop: false }` [INFO] [stdout] 6b93e98edb20370357652d9d863ed2e45abdc597ffeefb0ab2bf33ff1b266d30 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2705e36f8dc16b43314217942c4a03af2bdd170747f473cdb40cf792980cbc32 [INFO] running `Command { std: "docker" "start" "-a" "2705e36f8dc16b43314217942c4a03af2bdd170747f473cdb40cf792980cbc32", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling proc-macro2 v1.0.13 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.22 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling serde v1.0.110 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking once_cell v1.4.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Compiling anyhow v1.0.31 [INFO] [stderr] Checking futures-io v0.3.5 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking pin-project-lite v0.1.5 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking plotters v0.2.14 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking criterion-plot v0.4.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking oorandom v11.1.1 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Checking serde_json v1.0.53 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking tinytemplate v1.0.4 [INFO] [stderr] Compiling pin-project-internal v0.4.17 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling serde_derive v1.0.110 [INFO] [stderr] Checking tokio v0.2.21 [INFO] [stderr] Checking pin-project v0.4.17 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking criterion v0.3.2 [INFO] [stderr] Checking futures v0.3.5 [INFO] [stderr] Checking aktrs v0.1.0-alpha.5 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Behavior` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/actor/cell.rs:90:20 [INFO] [stdout] | [INFO] [stdout] 89 | pub async fn run(self) -> crate::Result<()> { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 90 | let Self { mut b, mut cx, mut rx, life } = self; [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 101 | / tokio::select! { [INFO] [stdout] 102 | | Some(msg) = rx.next() => b = next(b, &mut cx, msg)?, [INFO] [stdout] 103 | | Some(msg) = cx.loopback_rx.next() => b = next(b, &mut cx, msg)?, [INFO] [stdout] 104 | | Some(msg) = cx.timers.next() => b = next(b, &mut cx, msg)?, [INFO] [stdout] ... | [INFO] [stdout] 123 | | } [INFO] [stdout] 124 | | } [INFO] [stdout] | | - [INFO] [stdout] | |_____________| [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [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 `(Option<{async block@src/actor/receptionist.rs:353:51: 353:61}>, Option>)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/actor/receptionist.rs:372:15 [INFO] [stdout] | [INFO] [stdout] 327 | fn register(self: Box, registry: &mut Registry) -> Option> { [INFO] [stdout] | ---- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 372 | match (reply_fut, sub_fut) { [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] warning: unused borrow that must be used [INFO] [stdout] --> src/actor/cell.rs:51:1 [INFO] [stdout] | [INFO] [stdout] 51 | / pin_project! { [INFO] [stdout] 52 | | struct Ask { [INFO] [stdout] 53 | | #[pin] [INFO] [stdout] 54 | | future: F, [INFO] [stdout] ... | [INFO] [stdout] 57 | | } [INFO] [stdout] 58 | | } [INFO] [stdout] | |_^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `aktrs` (lib) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "2705e36f8dc16b43314217942c4a03af2bdd170747f473cdb40cf792980cbc32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2705e36f8dc16b43314217942c4a03af2bdd170747f473cdb40cf792980cbc32", kill_on_drop: false }` [INFO] [stdout] 2705e36f8dc16b43314217942c4a03af2bdd170747f473cdb40cf792980cbc32