[INFO] fetching crate tokio-ddmw 0.9.4... [INFO] checking tokio-ddmw-0.9.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate tokio-ddmw 0.9.4 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate tokio-ddmw 0.9.4 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tokio-ddmw 0.9.4 [INFO] finished tweaking crates.io crate tokio-ddmw 0.9.4 [INFO] tweaked toml for crates.io crate tokio-ddmw 0.9.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 64 packages to latest compatible versions [INFO] [stderr] Adding blather v0.7.1 (available: v0.11.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding tokio-util v0.6.10 (available: v0.7.12) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 516db27cd90bc415c1559c008fa4ca884560cd68575aaedfd26627be6c40d820 [INFO] running `Command { std: "docker" "start" "-a" "516db27cd90bc415c1559c008fa4ca884560cd68575aaedfd26627be6c40d820", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "516db27cd90bc415c1559c008fa4ca884560cd68575aaedfd26627be6c40d820", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "516db27cd90bc415c1559c008fa4ca884560cd68575aaedfd26627be6c40d820", kill_on_drop: false }` [INFO] [stdout] 516db27cd90bc415c1559c008fa4ca884560cd68575aaedfd26627be6c40d820 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 742ec724aecbeec751bb8973976c66f73d82d5ccdf678857b3a1c31618202bce [INFO] running `Command { std: "docker" "start" "-a" "742ec724aecbeec751bb8973976c66f73d82d5ccdf678857b3a1c31618202bce", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking equivalent v1.0.1 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking bytes v1.7.2 [INFO] [stderr] Checking winnow v0.6.20 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking ddmw-types v0.1.1 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling uncased v0.9.10 [INFO] [stderr] Compiling figment v0.10.19 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking indexmap v2.5.0 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking mio v1.0.2 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking tokio-util v0.6.10 [INFO] [stderr] Checking tokio-stream v0.1.16 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking blather v0.7.1 [INFO] [stderr] Checking toml_datetime v0.6.8 [INFO] [stderr] Checking serde_spanned v0.6.8 [INFO] [stderr] Checking toml_edit v0.22.22 [INFO] [stderr] Checking toml v0.8.19 [INFO] [stderr] Checking ddmw-util v0.2.0 [INFO] [stderr] Checking tokio-ddmw v0.9.4 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result>, std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/utils.rs:17:26 [INFO] [stdout] | [INFO] [stdout] 13 | pub(crate) fn read_single_line

(fname: P) -> Option [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 17 | if let Ok(mut lines) = read_lines(fname.as_ref()) { [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: this value of type `Result>, std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/utils.rs:17:26 [INFO] [stdout] | [INFO] [stdout] 13 | pub(crate) fn read_single_line

(fname: P) -> Option [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 17 | if let Ok(mut lines) = read_lines(fname.as_ref()) { [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] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tokio-ddmw` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `tokio-ddmw` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "742ec724aecbeec751bb8973976c66f73d82d5ccdf678857b3a1c31618202bce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "742ec724aecbeec751bb8973976c66f73d82d5ccdf678857b3a1c31618202bce", kill_on_drop: false }` [INFO] [stdout] 742ec724aecbeec751bb8973976c66f73d82d5ccdf678857b3a1c31618202bce