[INFO] fetching crate backoff-futures 0.3.2... [INFO] checking backoff-futures-0.3.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate backoff-futures 0.3.2 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate backoff-futures 0.3.2 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 backoff-futures 0.3.2 [INFO] finished tweaking crates.io crate backoff-futures 0.3.2 [INFO] tweaked toml for crates.io crate backoff-futures 0.3.2 written to /workspace/builds/worker-3-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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 96 packages to latest compatible versions [INFO] [stderr] Adding async-channel v1.9.0 (latest: v2.3.1) [INFO] [stderr] Adding backoff v0.2.1 (latest: v0.4.0) [INFO] [stderr] Adding bytes v0.5.6 (latest: v1.7.1) [INFO] [stderr] Adding event-listener v2.5.3 (latest: v5.3.1) [INFO] [stderr] Adding fastrand v1.9.0 (latest: v2.1.1) [INFO] [stderr] Adding flume v0.9.2 (latest: v0.11.0) [INFO] [stderr] Adding futures-lite v1.13.0 (latest: v2.3.0) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.15) [INFO] [stderr] Adding http v0.2.12 (latest: v1.1.0) [INFO] [stderr] Adding idna v0.5.0 (latest: v1.0.2) [INFO] [stderr] Adding isahc v0.9.14 (latest: v1.7.2) [INFO] [stderr] Adding pin-project-lite v0.1.12 (latest: v0.2.14) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding spinning_top v0.2.5 (latest: v0.3.0) [INFO] [stderr] Adding tokio v0.2.25 (latest: v1.40.0) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] daa388fb664283134e41cd774dae4f1fff674957af12e60197f7444d64f39150 [INFO] running `Command { std: "docker" "start" "-a" "daa388fb664283134e41cd774dae4f1fff674957af12e60197f7444d64f39150", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "daa388fb664283134e41cd774dae4f1fff674957af12e60197f7444d64f39150", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "daa388fb664283134e41cd774dae4f1fff674957af12e60197f7444d64f39150", kill_on_drop: false }` [INFO] [stdout] daa388fb664283134e41cd774dae4f1fff674957af12e60197f7444d64f39150 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7dfc8247e606f1f344098caacd6ab398bd4028212e78adf05e60bdf35eda5581 [INFO] running `Command { std: "docker" "start" "-a" "7dfc8247e606f1f344098caacd6ab398bd4028212e78adf05e60bdf35eda5581", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Compiling libnghttp2-sys v0.1.10+1.61.0 [INFO] [stderr] Compiling libz-sys v1.1.20 [INFO] [stderr] Compiling curl-sys v0.4.74+curl-8.9.0 [INFO] [stderr] Compiling curl v0.4.46 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Checking instant v0.1.13 [INFO] [stderr] Checking spinning_top v0.2.5 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling isahc v0.9.14 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking flume v0.9.2 [INFO] [stderr] Checking backoff v0.2.1 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking concurrent-queue v2.5.0 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Checking backoff-futures v0.3.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking sluice v0.5.5 [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:137:5 [INFO] [stdout] | [INFO] [stdout] 131 | async fn with_backoff(self, backoff: &mut B) -> Result> [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 137 | / { [INFO] [stdout] 138 | | let backoff_struct = BackoffFutureBuilder { backoff, f: self }; [INFO] [stdout] 139 | | backoff_struct.fut(|_, _| {}).await [INFO] [stdout] 140 | | } [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:149:5 [INFO] [stdout] | [INFO] [stdout] 142 | async fn with_backoff_notify(self, backoff: &mut B, notify: N) -> Result> [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] ... [INFO] [stdout] 149 | / { [INFO] [stdout] 150 | | let backoff_struct = BackoffFutureBuilder { backoff, f: self }; [INFO] [stdout] 151 | | backoff_struct.fut(notify).await [INFO] [stdout] 152 | | } [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 `backoff-futures` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "7dfc8247e606f1f344098caacd6ab398bd4028212e78adf05e60bdf35eda5581", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7dfc8247e606f1f344098caacd6ab398bd4028212e78adf05e60bdf35eda5581", kill_on_drop: false }` [INFO] [stdout] 7dfc8247e606f1f344098caacd6ab398bd4028212e78adf05e60bdf35eda5581