[INFO] fetching crate libp2p-swarm-test 0.4.0... [INFO] checking libp2p-swarm-test-0.4.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate libp2p-swarm-test 0.4.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate libp2p-swarm-test 0.4.0 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 libp2p-swarm-test 0.4.0 [INFO] finished tweaking crates.io crate libp2p-swarm-test 0.4.0 [INFO] tweaked toml for crates.io crate libp2p-swarm-test 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 229 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding async-channel v1.9.0 (latest: v2.3.1) [INFO] [stderr] Adding async-fs v1.6.0 (latest: v2.1.2) [INFO] [stderr] Adding async-io v1.13.0 (latest: v2.3.4) [INFO] [stderr] Adding async-lock v2.8.0 (latest: v3.4.0) [INFO] [stderr] Adding async-net v1.8.0 (latest: v2.0.0) [INFO] [stderr] Adding async-process v1.8.1 (latest: v2.2.4) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding core-foundation v0.9.4 (latest: v0.10.0) [INFO] [stderr] Adding event-listener v2.5.3 (latest: v5.3.1) [INFO] [stderr] Adding event-listener v3.1.0 (latest: v5.3.1) [INFO] [stderr] Adding fastrand v1.9.0 (latest: v2.1.1) [INFO] [stderr] Adding 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(latest: v0.52.6) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding yamux v0.12.1 (latest: v0.13.3) [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d9b0b9e6881b191abbf692cfabb339f8d2210906906f2f4811b842a92986f17d [INFO] running `Command { std: "docker" "start" "-a" "d9b0b9e6881b191abbf692cfabb339f8d2210906906f2f4811b842a92986f17d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d9b0b9e6881b191abbf692cfabb339f8d2210906906f2f4811b842a92986f17d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9b0b9e6881b191abbf692cfabb339f8d2210906906f2f4811b842a92986f17d", kill_on_drop: false }` [INFO] [stdout] d9b0b9e6881b191abbf692cfabb339f8d2210906906f2f4811b842a92986f17d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 14111524831d3aea499666e98990886892c138164a7e43ed2af0df9416629105 [INFO] running `Command { std: "docker" "start" "-a" "14111524831d3aea499666e98990886892c138164a7e43ed2af0df9416629105", kill_on_drop: false }` [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking value-bag v1.9.0 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking concurrent-queue v2.5.0 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Compiling curve25519-dalek 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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/lib.rs:220:13 [INFO] [stdout] | [INFO] [stdout] 203 | fn new_ephemeral(behaviour_fn: impl FnOnce(Keypair) -> Self::NB) -> Self [INFO] [stdout] | ---------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 207 | let identity = Keypair::generate_ed25519(); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 210 | let transport = MemoryTransport::default() [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 220 | behaviour_fn(identity), [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/lib.rs:222:13 [INFO] [stdout] | [INFO] [stdout] 203 | fn new_ephemeral(behaviour_fn: impl FnOnce(Keypair) -> Self::NB) -> Self [INFO] [stdout] | ---------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 207 | let identity = Keypair::generate_ed25519(); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 210 | let transport = MemoryTransport::default() [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 222 | / swarm::Config::with_async_std_executor() [INFO] [stdout] 223 | | .with_idle_connection_timeout(Duration::from_secs(5)), // Some tests need connections to be kept alive beyond what the in... [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:272:66 [INFO] [stdout] | [INFO] [stdout] 272 | async fn dial_and_wait(&mut self, addr: Multiaddr) -> PeerId { [INFO] [stdout] | _______________________________________---------------____________^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 273 | | self.dial(addr.clone()).unwrap(); [INFO] [stdout] 274 | | [INFO] [stdout] 275 | | self.wait(|e| match e { [INFO] [stdout] ... | [INFO] [stdout] 287 | | .await [INFO] [stdout] 288 | | } [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:294:5 [INFO] [stdout] | [INFO] [stdout] 290 | async fn wait(&mut self, predicate: P) -> E [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 294 | / { [INFO] [stdout] 295 | | loop { [INFO] [stdout] 296 | | let event = self.next_swarm_event().await; [INFO] [stdout] 297 | | if let Some(e) = predicate(event) { [INFO] [stdout] ... | [INFO] [stdout] 300 | | } [INFO] [stdout] 301 | | } [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:335:37 [INFO] [stdout] | [INFO] [stdout] 335 | async fn loop_on_next(mut self) { [INFO] [stdout] | _______________________________----__^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 336 | | while let Some(event) = self.next().await { [INFO] [stdout] 337 | | tracing::trace!(?event); [INFO] [stdout] 338 | | } [INFO] [stdout] 339 | | } [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 5 previous errors [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/lib.rs:220:13 [INFO] [stdout] | [INFO] [stdout] 203 | fn new_ephemeral(behaviour_fn: impl FnOnce(Keypair) -> Self::NB) -> Self [INFO] [stdout] | ---------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 207 | let identity = Keypair::generate_ed25519(); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 210 | let transport = MemoryTransport::default() [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 220 | behaviour_fn(identity), [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/lib.rs:222:13 [INFO] [stdout] | [INFO] [stdout] 203 | fn new_ephemeral(behaviour_fn: impl FnOnce(Keypair) -> Self::NB) -> Self [INFO] [stdout] | ---------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 207 | let identity = Keypair::generate_ed25519(); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 210 | let transport = MemoryTransport::default() [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 222 | / swarm::Config::with_async_std_executor() [INFO] [stdout] 223 | | .with_idle_connection_timeout(Duration::from_secs(5)), // Some tests need connections to be kept alive beyond what the in... [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:272:66 [INFO] [stdout] | [INFO] [stdout] 272 | async fn dial_and_wait(&mut self, addr: Multiaddr) -> PeerId { [INFO] [stdout] | _______________________________________---------------____________^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 273 | | self.dial(addr.clone()).unwrap(); [INFO] [stdout] 274 | | [INFO] [stdout] 275 | | self.wait(|e| match e { [INFO] [stdout] ... | [INFO] [stdout] 287 | | .await [INFO] [stdout] 288 | | } [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] error: could not compile `libp2p-swarm-test` (lib test) due to 6 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/lib.rs:294:5 [INFO] [stdout] | [INFO] [stdout] 290 | async fn wait(&mut self, predicate: P) -> E [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 294 | / { [INFO] [stdout] 295 | | loop { [INFO] [stdout] 296 | | let event = self.next_swarm_event().await; [INFO] [stdout] 297 | | if let Some(e) = predicate(event) { [INFO] [stdout] ... | [INFO] [stdout] 300 | | } [INFO] [stdout] 301 | | } [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:335:37 [INFO] [stdout] | [INFO] [stdout] 335 | async fn loop_on_next(mut self) { [INFO] [stdout] | _______________________________----__^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 336 | | while let Some(event) = self.next().await { [INFO] [stdout] 337 | | tracing::trace!(?event); [INFO] [stdout] 338 | | } [INFO] [stdout] 339 | | } [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 5 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `libp2p-swarm-test` (lib) due to 6 previous errors [INFO] running `Command { std: "docker" "inspect" "14111524831d3aea499666e98990886892c138164a7e43ed2af0df9416629105", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14111524831d3aea499666e98990886892c138164a7e43ed2af0df9416629105", kill_on_drop: false }` [INFO] [stdout] 14111524831d3aea499666e98990886892c138164a7e43ed2af0df9416629105