[INFO] fetching crate serial-unit-testing 0.2.4... [INFO] checking serial-unit-testing-0.2.4 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate serial-unit-testing 0.2.4 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate serial-unit-testing 0.2.4 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 serial-unit-testing 0.2.4 [INFO] finished tweaking crates.io crate serial-unit-testing 0.2.4 [INFO] tweaked toml for crates.io crate serial-unit-testing 0.2.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate serial-unit-testing 0.2.4 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8583dffe091fc0a37553449ae842fb72e9d213c4757598ad22af5702007ab4d1 [INFO] running `Command { std: "docker" "start" "-a" "8583dffe091fc0a37553449ae842fb72e9d213c4757598ad22af5702007ab4d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8583dffe091fc0a37553449ae842fb72e9d213c4757598ad22af5702007ab4d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8583dffe091fc0a37553449ae842fb72e9d213c4757598ad22af5702007ab4d1", kill_on_drop: false }` [INFO] [stdout] 8583dffe091fc0a37553449ae842fb72e9d213c4757598ad22af5702007ab4d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e11b1bdef6b78e906a125e2585cd4aa8a409ec5e1159efa642a874494cb3273c [INFO] running `Command { std: "docker" "start" "-a" "e11b1bdef6b78e906a125e2585cd4aa8a409ec5e1159efa642a874494cb3273c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling pkg-config v0.3.15 [INFO] [stderr] Checking arc-swap v0.4.4 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking smallvec v1.1.0 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking cassowary v0.3.0 [INFO] [stderr] Checking regex-syntax v0.6.13 [INFO] [stderr] Checking lock_api v0.3.3 [INFO] [stderr] Checking unicode-segmentation v1.3.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking parking_lot_core v0.7.0 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking colored v1.9.2 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking parking_lot v0.10.0 [INFO] [stderr] Checking signal-hook v0.1.16 [INFO] [stderr] Checking crossterm v0.17.5 [INFO] [stderr] Checking regex v1.3.3 [INFO] [stderr] Checking tui v0.9.5 [INFO] [stderr] Checking serialport v3.3.0 [INFO] [stderr] Checking serial-unit-testing v0.2.4 (/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/serial/mod.rs:274:15 [INFO] [stdout] | [INFO] [stdout] 274 | match self.port.write(bytes.as_slice()) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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/serial/mod.rs:274:15 [INFO] [stdout] | [INFO] [stdout] 274 | match self.port.write(bytes.as_slice()) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `serial-unit-testing` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `serial-unit-testing` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "e11b1bdef6b78e906a125e2585cd4aa8a409ec5e1159efa642a874494cb3273c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e11b1bdef6b78e906a125e2585cd4aa8a409ec5e1159efa642a874494cb3273c", kill_on_drop: false }` [INFO] [stdout] e11b1bdef6b78e906a125e2585cd4aa8a409ec5e1159efa642a874494cb3273c