[INFO] fetching crate essential-constraint-asm 0.3.1... [INFO] checking essential-constraint-asm-0.3.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate essential-constraint-asm 0.3.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate essential-constraint-asm 0.3.1 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 essential-constraint-asm 0.3.1 [INFO] finished tweaking crates.io crate essential-constraint-asm 0.3.1 [INFO] tweaked toml for crates.io crate essential-constraint-asm 0.3.1 written to /workspace/builds/worker-3-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 18 packages to latest compatible versions [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] 297ffd8be82e9f38dd75604fe62eaf18adf7c074481ecb42826a53c919e6f879 [INFO] running `Command { std: "docker" "start" "-a" "297ffd8be82e9f38dd75604fe62eaf18adf7c074481ecb42826a53c919e6f879", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "297ffd8be82e9f38dd75604fe62eaf18adf7c074481ecb42826a53c919e6f879", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "297ffd8be82e9f38dd75604fe62eaf18adf7c074481ecb42826a53c919e6f879", kill_on_drop: false }` [INFO] [stdout] 297ffd8be82e9f38dd75604fe62eaf18adf7c074481ecb42826a53c919e6f879 [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] 68e01ea5848494af471a6a3de0837dc461cd173e69d24a53507984b32a39b6a1 [INFO] running `Command { std: "docker" "start" "-a" "68e01ea5848494af471a6a3de0837dc461cd173e69d24a53507984b32a39b6a1", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling unsafe-libyaml v0.2.11 [INFO] [stderr] Compiling indexmap v2.5.0 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Compiling serde_yaml v0.9.34+deprecated [INFO] [stderr] Checking essential-types v0.2.0 [INFO] [stderr] Compiling essential-asm-spec v0.2.1 [INFO] [stderr] Compiling essential-asm-gen v0.3.1 [INFO] [stderr] Checking essential-constraint-asm v0.3.1 (/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:150:25 [INFO] [stdout] | [INFO] [stdout] 147 | bytes: impl IntoIterator, [INFO] [stdout] | ----------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 148 | ) -> impl Iterator> { [INFO] [stdout] 149 | let mut iter = bytes.into_iter(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 150 | core::iter::from_fn(move || Op::try_from_bytes(&mut 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: 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:156:5 [INFO] [stdout] | [INFO] [stdout] 155 | pub fn to_bytes(ops: impl IntoIterator) -> impl Iterator { [INFO] [stdout] | --------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 156 | ops.into_iter().flat_map(|op| op.to_bytes()) [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 `essential-constraint-asm` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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:150:25 [INFO] [stdout] | [INFO] [stdout] 147 | bytes: impl IntoIterator, [INFO] [stdout] | ----------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 148 | ) -> impl Iterator> { [INFO] [stdout] 149 | let mut iter = bytes.into_iter(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 150 | core::iter::from_fn(move || Op::try_from_bytes(&mut 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: 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:156:5 [INFO] [stdout] | [INFO] [stdout] 155 | pub fn to_bytes(ops: impl IntoIterator) -> impl Iterator { [INFO] [stdout] | --------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 156 | ops.into_iter().flat_map(|op| op.to_bytes()) [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 `essential-constraint-asm` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "68e01ea5848494af471a6a3de0837dc461cd173e69d24a53507984b32a39b6a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68e01ea5848494af471a6a3de0837dc461cd173e69d24a53507984b32a39b6a1", kill_on_drop: false }` [INFO] [stdout] 68e01ea5848494af471a6a3de0837dc461cd173e69d24a53507984b32a39b6a1