[INFO] fetching crate deduplicating_array 0.1.6... [INFO] checking deduplicating_array-0.1.6 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate deduplicating_array 0.1.6 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate deduplicating_array 0.1.6 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 deduplicating_array 0.1.6 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate deduplicating_array 0.1.6 [INFO] tweaked toml for crates.io crate deduplicating_array 0.1.6 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate deduplicating_array 0.1.6 already has a lockfile, it will not be regenerated [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-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] 5ead77ccf324675d8016c46519f262710134bebefeac46f82be287e876a0647a [INFO] running `Command { std: "docker" "start" "-a" "5ead77ccf324675d8016c46519f262710134bebefeac46f82be287e876a0647a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5ead77ccf324675d8016c46519f262710134bebefeac46f82be287e876a0647a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ead77ccf324675d8016c46519f262710134bebefeac46f82be287e876a0647a", kill_on_drop: false }` [INFO] [stdout] 5ead77ccf324675d8016c46519f262710134bebefeac46f82be287e876a0647a [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] 5f01961804bc00857e6de2889895a7b27c1a60047ba58638d05bd5ce60e0cf6a [INFO] running `Command { std: "docker" "start" "-a" "5f01961804bc00857e6de2889895a7b27c1a60047ba58638d05bd5ce60e0cf6a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.82 [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Compiling serde_json v1.0.107 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Checking cobs v0.2.3 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling serde_derive v1.0.188 [INFO] [stderr] Checking postcard v1.0.7 [INFO] [stderr] Checking deduplicating_array v0.1.6 (/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:136:8 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn deserialize<'de, D, T, const N: usize>(deserializer: D) -> Result<[T; N], D::Error> [INFO] [stdout] | --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 136 | Ok(unsafe { core::ptr::read(array.as_ptr() as *const [T; N]) }) [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:224:20 [INFO] [stdout] | [INFO] [stdout] 217 | fn visit_enum(self, data: A) -> Result [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 223 | let (variant, variant_access) = data.variant()?; [INFO] [stdout] | -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 224 | Ok(match variant { [INFO] [stdout] | ____________________^ [INFO] [stdout] 225 | | 0 => MachineDe::Value(variant_access.newtype_variant()?), [INFO] [stdout] 226 | | n => MachineDe::Fallback(n - 1), [INFO] [stdout] 227 | | }) [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________________these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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 `deduplicating_array` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "5f01961804bc00857e6de2889895a7b27c1a60047ba58638d05bd5ce60e0cf6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f01961804bc00857e6de2889895a7b27c1a60047ba58638d05bd5ce60e0cf6a", kill_on_drop: false }` [INFO] [stdout] 5f01961804bc00857e6de2889895a7b27c1a60047ba58638d05bd5ce60e0cf6a