[INFO] fetching crate smoltcp-rmodbus 0.1.0... [INFO] checking smoltcp-rmodbus-0.1.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] extracting crate smoltcp-rmodbus 0.1.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate smoltcp-rmodbus 0.1.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate smoltcp-rmodbus 0.1.0 [INFO] finished tweaking crates.io crate smoltcp-rmodbus 0.1.0 [INFO] tweaked toml for crates.io crate smoltcp-rmodbus 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 34 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [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 smoltcp v0.10.0 (latest: v0.11.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.76) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rmodbus v0.9.9 [INFO] [stderr] Downloaded smoltcp v0.10.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 85adef7ad39ff12a4fa2fc624ab559e7d1fa0963955d70c7a653b85ed8e07c46 [INFO] running `Command { std: "docker" "start" "-a" "85adef7ad39ff12a4fa2fc624ab559e7d1fa0963955d70c7a653b85ed8e07c46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "85adef7ad39ff12a4fa2fc624ab559e7d1fa0963955d70c7a653b85ed8e07c46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85adef7ad39ff12a4fa2fc624ab559e7d1fa0963955d70c7a653b85ed8e07c46", kill_on_drop: false }` [INFO] [stdout] 85adef7ad39ff12a4fa2fc624ab559e7d1fa0963955d70c7a653b85ed8e07c46 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f9c933be9635da36168aa63425add0b9e7ccdb8d985f251f112d1cb605c36809 [INFO] running `Command { std: "docker" "start" "-a" "f9c933be9635da36168aa63425add0b9e7ccdb8d985f251f112d1cb605c36809", kill_on_drop: false }` [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling heapless v0.8.0 [INFO] [stderr] Compiling smoltcp v0.10.0 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Checking hash32 v0.3.1 [INFO] [stderr] Checking managed v0.8.0 [INFO] [stderr] Compiling heapless v0.7.17 [INFO] [stderr] Checking ieee754 v0.2.6 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking rmodbus v0.9.9 [INFO] [stderr] Checking smoltcp-rmodbus v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.07s [INFO] running `Command { std: "docker" "inspect" "f9c933be9635da36168aa63425add0b9e7ccdb8d985f251f112d1cb605c36809", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9c933be9635da36168aa63425add0b9e7ccdb8d985f251f112d1cb605c36809", kill_on_drop: false }` [INFO] [stdout] f9c933be9635da36168aa63425add0b9e7ccdb8d985f251f112d1cb605c36809 [INFO] checking smoltcp-rmodbus-0.1.0 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] extracting crate smoltcp-rmodbus 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate smoltcp-rmodbus 0.1.0 on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate smoltcp-rmodbus 0.1.0 [INFO] finished tweaking crates.io crate smoltcp-rmodbus 0.1.0 [INFO] tweaked toml for crates.io crate smoltcp-rmodbus 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 34 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [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 smoltcp v0.10.0 (latest: v0.11.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.76) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 54dd08f09e570d82e26967a465dd074236a4def6b10587cb71e3770c82193bdd [INFO] running `Command { std: "docker" "start" "-a" "54dd08f09e570d82e26967a465dd074236a4def6b10587cb71e3770c82193bdd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "54dd08f09e570d82e26967a465dd074236a4def6b10587cb71e3770c82193bdd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54dd08f09e570d82e26967a465dd074236a4def6b10587cb71e3770c82193bdd", kill_on_drop: false }` [INFO] [stdout] 54dd08f09e570d82e26967a465dd074236a4def6b10587cb71e3770c82193bdd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bf2705d4466135fc39165a4d342dd4f31ec04f5b5de0585fe5d81f6895731af0 [INFO] running `Command { std: "docker" "start" "-a" "bf2705d4466135fc39165a4d342dd4f31ec04f5b5de0585fe5d81f6895731af0", kill_on_drop: false }` [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling heapless v0.8.0 [INFO] [stderr] Compiling smoltcp v0.10.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking hash32 v0.3.1 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Compiling heapless v0.7.17 [INFO] [stderr] Checking managed v0.8.0 [INFO] [stderr] Checking ieee754 v0.2.6 [INFO] [stderr] Checking rmodbus v0.9.9 [INFO] [stderr] Checking smoltcp-rmodbus 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/server.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 48 | context: CTX, [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 64 | Ok(Self { handle, context }) [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] [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/server.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 48 | context: CTX, [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 64 | Ok(Self { handle, context }) [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] [stderr] error: could not compile `smoltcp-rmodbus` (lib) due to 2 previous errors [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `smoltcp-rmodbus` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "bf2705d4466135fc39165a4d342dd4f31ec04f5b5de0585fe5d81f6895731af0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf2705d4466135fc39165a4d342dd4f31ec04f5b5de0585fe5d81f6895731af0", kill_on_drop: false }` [INFO] [stdout] bf2705d4466135fc39165a4d342dd4f31ec04f5b5de0585fe5d81f6895731af0