[INFO] fetching crate uell 0.1.0... [INFO] checking uell-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate uell 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate uell 0.1.0 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 uell 0.1.0 [INFO] finished tweaking crates.io crate uell 0.1.0 [INFO] tweaked toml for crates.io crate uell 0.1.0 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 21 packages to latest compatible versions [INFO] [stderr] Adding env_logger v0.8.4 (latest: v0.11.5) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e41d9dc28fe54bfee2545a529089f91d67a705d8387168a72333eae2ba09e5d5 [INFO] running `Command { std: "docker" "start" "-a" "e41d9dc28fe54bfee2545a529089f91d67a705d8387168a72333eae2ba09e5d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e41d9dc28fe54bfee2545a529089f91d67a705d8387168a72333eae2ba09e5d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e41d9dc28fe54bfee2545a529089f91d67a705d8387168a72333eae2ba09e5d5", kill_on_drop: false }` [INFO] [stdout] e41d9dc28fe54bfee2545a529089f91d67a705d8387168a72333eae2ba09e5d5 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 611b145951aea7b468fbb96ece3118dd48164c1a8a400be13fdf21d5473f606a [INFO] running `Command { std: "docker" "start" "-a" "611b145951aea7b468fbb96ece3118dd48164c1a8a400be13fdf21d5473f606a", kill_on_drop: false }` [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking bumpalo v3.16.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking uell v0.1.0 (/opt/rustwide/workdir) [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:210:20 [INFO] [stdout] | [INFO] [stdout] 208 | fn new(mut uell: Uell<'b, T>) -> IntoIter { [INFO] [stdout] | --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 209 | IntoIter { [INFO] [stdout] 210 | inner: InnerIntoIter::Inline { [INFO] [stdout] | ____________________^ [INFO] [stdout] 211 | | elems: uell.elems, [INFO] [stdout] 212 | | inline_offset: 0, [INFO] [stdout] 213 | | chunks: uell.first_chunk.take(), [INFO] [stdout] 214 | | len: uell.len, [INFO] [stdout] 215 | | }, [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:222:20 [INFO] [stdout] | [INFO] [stdout] 220 | let mut chunk_iter = IntoChunkIter::new(chunks); [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 221 | IntoIter { [INFO] [stdout] 222 | inner: InnerIntoIter::Chunks { [INFO] [stdout] | ____________________^ [INFO] [stdout] 223 | | current_chunk: chunk_iter.next(), [INFO] [stdout] 224 | | chunk_offset: 0, [INFO] [stdout] 225 | | chunk_iter, [INFO] [stdout] 226 | | remaining_len: len - INLINED_ELEMENTS, [INFO] [stdout] 227 | | }, [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 `uell` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "611b145951aea7b468fbb96ece3118dd48164c1a8a400be13fdf21d5473f606a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "611b145951aea7b468fbb96ece3118dd48164c1a8a400be13fdf21d5473f606a", kill_on_drop: false }` [INFO] [stdout] 611b145951aea7b468fbb96ece3118dd48164c1a8a400be13fdf21d5473f606a