[INFO] fetching crate zerocopy 0.8.0-alpha.25... [INFO] checking zerocopy-0.8.0-alpha.25 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate zerocopy 0.8.0-alpha.25 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate zerocopy 0.8.0-alpha.25 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 zerocopy 0.8.0-alpha.25 [INFO] finished tweaking crates.io crate zerocopy 0.8.0-alpha.25 [INFO] tweaked toml for crates.io crate zerocopy 0.8.0-alpha.25 written to /workspace/builds/worker-1-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 35 packages to latest compatible versions [INFO] [stderr] Adding itertools v0.11.0 (available: v0.13.0) [INFO] [stderr] Adding trybuild v1.0.89 (available: v1.0.99) [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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0796b030eaa8a5140119b734bb94c20e30f6316b31a671ad96673628ae05e081 [INFO] running `Command { std: "docker" "start" "-a" "0796b030eaa8a5140119b734bb94c20e30f6316b31a671ad96673628ae05e081", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0796b030eaa8a5140119b734bb94c20e30f6316b31a671ad96673628ae05e081", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0796b030eaa8a5140119b734bb94c20e30f6316b31a671ad96673628ae05e081", kill_on_drop: false }` [INFO] [stdout] 0796b030eaa8a5140119b734bb94c20e30f6316b31a671ad96673628ae05e081 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fed96f34f154d50f260f639c75af0bc1c9349b97a05c118f3753ec1de68e95d7 [INFO] running `Command { std: "docker" "start" "-a" "fed96f34f154d50f260f639c75af0bc1c9349b97a05c118f3753ec1de68e95d7", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling zerocopy v0.8.0-alpha.25 (/opt/rustwide/workdir) [INFO] [stderr] Compiling trybuild v1.0.89 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking dissimilar v1.0.9 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking elain v0.3.0 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking itertools v0.11.0 [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stderr] Checking basic-toml v0.1.9 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling zerocopy-derive v0.8.0-alpha.25 [INFO] [stdout] warning: use of deprecated constant `_::_WARNING`: some tests may be skipped due to missing RUSTFLAGS="--cfg __ZEROCOPY_INTERNAL_USE_ONLY_NIGHTLY_FEATURES_IN_TESTS" [INFO] [stdout] --> src/lib.rs:389:5 [INFO] [stdout] | [INFO] [stdout] 389 | _WARNING [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:388:12 [INFO] [stdout] | [INFO] [stdout] 388 | #[warn(deprecated)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `::IntoIter` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/pointer/ptr.rs:1742:33 [INFO] [stdout] | [INFO] [stdout] 1679 | fn test(metas: I) [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1742 | for meta in metas.clone().into_iter() { [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `zerocopy` (lib test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "fed96f34f154d50f260f639c75af0bc1c9349b97a05c118f3753ec1de68e95d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fed96f34f154d50f260f639c75af0bc1c9349b97a05c118f3753ec1de68e95d7", kill_on_drop: false }` [INFO] [stdout] fed96f34f154d50f260f639c75af0bc1c9349b97a05c118f3753ec1de68e95d7