[INFO] fetching crate generic-arrayvec 0.4.0... [INFO] checking generic-arrayvec-0.4.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate generic-arrayvec 0.4.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate generic-arrayvec 0.4.0 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 generic-arrayvec 0.4.0 [INFO] finished tweaking crates.io crate generic-arrayvec 0.4.0 [INFO] tweaked toml for crates.io crate generic-arrayvec 0.4.0 written to /workspace/builds/worker-6-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] Locking 37 packages to latest compatible versions [INFO] [stderr] Adding arrayvec v0.5.2 (latest: v0.7.6) [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.1.0) [INFO] [stderr] Adding idna v0.5.0 (latest: v1.0.2) [INFO] [stderr] Adding pulldown-cmark v0.9.6 (latest: v0.12.0) [INFO] [stderr] Adding toml v0.7.8 (latest: v0.8.19) [INFO] [stderr] Adding toml_edit v0.19.15 (latest: v0.22.20) [INFO] [stderr] Adding winnow v0.5.40 (latest: v0.6.18) [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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c8b5aa9ca0458c9e4d51bdefc67423d0d831fe3f9004127f898e1f46f75a2f20 [INFO] running `Command { std: "docker" "start" "-a" "c8b5aa9ca0458c9e4d51bdefc67423d0d831fe3f9004127f898e1f46f75a2f20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c8b5aa9ca0458c9e4d51bdefc67423d0d831fe3f9004127f898e1f46f75a2f20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8b5aa9ca0458c9e4d51bdefc67423d0d831fe3f9004127f898e1f46f75a2f20", kill_on_drop: false }` [INFO] [stdout] c8b5aa9ca0458c9e4d51bdefc67423d0d831fe3f9004127f898e1f46f75a2f20 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 630c9e1b20c43b5c4a96de364127a9ab9ee4aefa693678d09b6b2ad048d79e3d [INFO] running `Command { std: "docker" "start" "-a" "630c9e1b20c43b5c4a96de364127a9ab9ee4aefa693678d09b6b2ad048d79e3d", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Checking tinyvec_macros v0.1.1 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Checking unicode-ident v1.0.12 [INFO] [stderr] Checking equivalent v1.0.1 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Checking percent-encoding v2.3.1 [INFO] [stderr] Compiling pulldown-cmark v0.9.6 [INFO] [stderr] Checking winnow v0.5.40 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking tinyvec v1.8.0 [INFO] [stderr] Checking form_urlencoded v1.2.1 [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Checking unicode-normalization v0.1.23 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Checking indexmap v2.5.0 [INFO] [stderr] Checking syn v2.0.77 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking url v2.5.2 [INFO] [stderr] Checking generic-arrayvec v0.4.0 (/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:193:24 [INFO] [stdout] | [INFO] [stdout] 189 | fn generic_from(arr: A) -> GenericArrayVec [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 193 | ArrayVec::from(ArrayvecStorage::from(arr.into())) [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:213:12 [INFO] [stdout] | [INFO] [stdout] 212 | fn into_generic_array(self) -> Result, Self> { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 213 | Ok(self.into_inner()?.into_inner()) [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 `generic-arrayvec` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "630c9e1b20c43b5c4a96de364127a9ab9ee4aefa693678d09b6b2ad048d79e3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "630c9e1b20c43b5c4a96de364127a9ab9ee4aefa693678d09b6b2ad048d79e3d", kill_on_drop: false }` [INFO] [stdout] 630c9e1b20c43b5c4a96de364127a9ab9ee4aefa693678d09b6b2ad048d79e3d