[INFO] fetching crate smoltcp-nal 0.5.1... [INFO] checking smoltcp-nal-0.5.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate smoltcp-nal 0.5.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate smoltcp-nal 0.5.1 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 smoltcp-nal 0.5.1 [INFO] finished tweaking crates.io crate smoltcp-nal 0.5.1 [INFO] tweaked toml for crates.io crate smoltcp-nal 0.5.1 written to /workspace/builds/worker-4-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 42 packages to latest compatible versions [INFO] [stderr] Adding bare-metal v0.2.5 (latest: v1.0.0) [INFO] [stderr] Adding bitfield v0.13.2 (latest: v0.16.1) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding embedded-hal v0.2.7 (latest: v1.0.0) [INFO] [stderr] Adding hash32 v0.2.1 (latest: v0.3.1) [INFO] [stderr] Adding heapless v0.7.17 (latest: v0.8.0) [INFO] [stderr] Adding nb v0.1.3 (latest: v1.1.0) [INFO] [stderr] Adding num v0.3.1 (latest: v0.4.3) [INFO] [stderr] Adding num-complex v0.3.1 (latest: v0.4.6) [INFO] [stderr] Adding num-rational v0.3.2 (latest: v0.4.2) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.1) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.23) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ea121f26f1e4367b594893f2ef9e8e8bfac68e54fcf5e011c3d0cdec3eab8fcc [INFO] running `Command { std: "docker" "start" "-a" "ea121f26f1e4367b594893f2ef9e8e8bfac68e54fcf5e011c3d0cdec3eab8fcc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ea121f26f1e4367b594893f2ef9e8e8bfac68e54fcf5e011c3d0cdec3eab8fcc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea121f26f1e4367b594893f2ef9e8e8bfac68e54fcf5e011c3d0cdec3eab8fcc", kill_on_drop: false }` [INFO] [stdout] ea121f26f1e4367b594893f2ef9e8e8bfac68e54fcf5e011c3d0cdec3eab8fcc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ca52c5e48d6d21f1b38fb80ad72b92593ec41cb2efba2af39f564fb6c9aebe7d [INFO] running `Command { std: "docker" "start" "-a" "ca52c5e48d6d21f1b38fb80ad72b92593ec41cb2efba2af39f564fb6c9aebe7d", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling heapless v0.8.0 [INFO] [stderr] Compiling smoltcp v0.11.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Checking no-std-net v0.6.0 [INFO] [stderr] Checking managed v0.8.0 [INFO] [stderr] Checking nanorand v0.7.0 [INFO] [stderr] Checking hash32 v0.3.1 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Compiling heapless v0.7.17 [INFO] [stderr] Checking embedded-nal v0.8.0 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking num v0.3.1 [INFO] [stderr] Checking embedded-time v0.12.1 [INFO] [stderr] Checking smoltcp-nal v0.5.1 (/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:194:26 [INFO] [stdout] | [INFO] [stdout] 152 | stack: smoltcp::iface::Interface, [INFO] [stdout] | -------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 153 | device: Device, [INFO] [stdout] | -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 154 | sockets: smoltcp::iface::SocketSet<'a>, [INFO] [stdout] 155 | clock: Clock, [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 156 | ) -> Self { [INFO] [stdout] 157 | let mut unused_tcp_handles: Vec = Vec::new(); [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 158 | let mut unused_udp_handles: Vec = Vec::new(); [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 194 | dns_lookups: heapless::LinearMap::new(), [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `smoltcp-nal` (lib) due to 2 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:194:26 [INFO] [stdout] | [INFO] [stdout] 152 | stack: smoltcp::iface::Interface, [INFO] [stdout] | -------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 153 | device: Device, [INFO] [stdout] | -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 154 | sockets: smoltcp::iface::SocketSet<'a>, [INFO] [stdout] 155 | clock: Clock, [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 156 | ) -> Self { [INFO] [stdout] 157 | let mut unused_tcp_handles: Vec = Vec::new(); [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 158 | let mut unused_udp_handles: Vec = Vec::new(); [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 194 | dns_lookups: heapless::LinearMap::new(), [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `smoltcp-nal` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "ca52c5e48d6d21f1b38fb80ad72b92593ec41cb2efba2af39f564fb6c9aebe7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca52c5e48d6d21f1b38fb80ad72b92593ec41cb2efba2af39f564fb6c9aebe7d", kill_on_drop: false }` [INFO] [stdout] ca52c5e48d6d21f1b38fb80ad72b92593ec41cb2efba2af39f564fb6c9aebe7d