[INFO] fetching crate easy-modbus 0.0.5... [INFO] checking easy-modbus-0.0.5 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate easy-modbus 0.0.5 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate easy-modbus 0.0.5 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 easy-modbus 0.0.5 [INFO] finished tweaking crates.io crate easy-modbus 0.0.5 [INFO] tweaked toml for crates.io crate easy-modbus 0.0.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate easy-modbus 0.0.5 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1dd6c4113140cf6e1b85ed12a545fcc1ce8057e2ad5a9a161edd5e0c7c8dd4c6 [INFO] running `Command { std: "docker" "start" "-a" "1dd6c4113140cf6e1b85ed12a545fcc1ce8057e2ad5a9a161edd5e0c7c8dd4c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1dd6c4113140cf6e1b85ed12a545fcc1ce8057e2ad5a9a161edd5e0c7c8dd4c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1dd6c4113140cf6e1b85ed12a545fcc1ce8057e2ad5a9a161edd5e0c7c8dd4c6", kill_on_drop: false }` [INFO] [stdout] 1dd6c4113140cf6e1b85ed12a545fcc1ce8057e2ad5a9a161edd5e0c7c8dd4c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7c301ad2ad1c317bc690a5f3f4b61fd98e572c8ac9099491e1765141aa20a18d [INFO] running `Command { std: "docker" "start" "-a" "7c301ad2ad1c317bc690a5f3f4b61fd98e572c8ac9099491e1765141aa20a18d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking once_cell v1.11.0 [INFO] [stderr] Checking tracing-core v0.1.26 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking parking_lot_core v0.9.3 [INFO] [stderr] Checking mio v0.8.3 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking nix v0.24.2 [INFO] [stderr] Checking nix v0.23.1 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Checking serialport v4.2.0 [INFO] [stderr] Checking mio-serial v5.0.2 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tracing-attributes v0.1.21 [INFO] [stderr] Checking tokio v1.18.2 [INFO] [stderr] Checking tracing v0.1.34 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking tokio-util v0.7.2 [INFO] [stderr] Checking tokio-stream v0.1.8 [INFO] [stderr] Checking tokio-serial v5.4.3 [INFO] [stderr] Checking easy-modbus v0.0.5 (/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/codec/decoder.rs:363:24 [INFO] [stdout] | [INFO] [stdout] 361 | fn from(mut buf: Bytes) -> Self { [INFO] [stdout] | -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 362 | ExceptionResponse { [INFO] [stdout] 363 | exception: Exception::try_from(buf.get_u8()).unwrap(), [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 `easy-modbus` (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/codec/decoder.rs:363:24 [INFO] [stdout] | [INFO] [stdout] 361 | fn from(mut buf: Bytes) -> Self { [INFO] [stdout] | -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 362 | ExceptionResponse { [INFO] [stdout] 363 | exception: Exception::try_from(buf.get_u8()).unwrap(), [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 `easy-modbus` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "7c301ad2ad1c317bc690a5f3f4b61fd98e572c8ac9099491e1765141aa20a18d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c301ad2ad1c317bc690a5f3f4b61fd98e572c8ac9099491e1765141aa20a18d", kill_on_drop: false }` [INFO] [stdout] 7c301ad2ad1c317bc690a5f3f4b61fd98e572c8ac9099491e1765141aa20a18d