[INFO] fetching crate serialport 4.5.0... [INFO] checking serialport-4.5.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate serialport 4.5.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate serialport 4.5.0 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] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml [INFO] started tweaking crates.io crate serialport 4.5.0 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate serialport 4.5.0 [INFO] tweaked toml for crates.io crate serialport 4.5.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate serialport 4.5.0 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e1b103dacf7a9aeca5eea17d60b861659f8891f90db142879688ad1bb2da0a55 [INFO] running `Command { std: "docker" "start" "-a" "e1b103dacf7a9aeca5eea17d60b861659f8891f90db142879688ad1bb2da0a55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e1b103dacf7a9aeca5eea17d60b861659f8891f90db142879688ad1bb2da0a55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1b103dacf7a9aeca5eea17d60b861659f8891f90db142879688ad1bb2da0a55", kill_on_drop: false }` [INFO] [stdout] e1b103dacf7a9aeca5eea17d60b861659f8891f90db142879688ad1bb2da0a55 [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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fbdae65aa5db0f3692c45954c8e4aab94693570d5eaf8603ad8ca20a919c1cf7 [INFO] running `Command { std: "docker" "start" "-a" "fbdae65aa5db0f3692c45954c8e4aab94693570d5eaf8603ad8ca20a919c1cf7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling rustversion v1.0.17 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking os_str_bytes v6.5.1 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking assert_hex v0.4.1 [INFO] [stderr] Compiling syn v2.0.72 [INFO] [stderr] Compiling rstest v0.12.0 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking nix v0.26.4 [INFO] [stderr] Checking libudev v0.3.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Checking thiserror v1.0.63 [INFO] [stderr] Checking unescaper v0.1.5 [INFO] [stderr] Checking regex v1.10.5 [INFO] [stderr] Checking serialport v4.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking env_logger v0.8.4 [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:398:52 [INFO] [stdout] | [INFO] [stdout] 398 | return posix::TTYPort::open(&self).map(|p| Box::new(p) as Box); [INFO] [stdout] | - ^^^^^^^^^^^ [INFO] [stdout] | | [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/posix/tty.rs:186:12 [INFO] [stdout] | [INFO] [stdout] 122 | let fd = OwnedFd(nix::fcntl::open( [INFO] [stdout] | -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 186 | Ok(TTYPort { [INFO] [stdout] | ____________^ [INFO] [stdout] 187 | | fd: fd.into_raw(), [INFO] [stdout] 188 | | timeout: builder.timeout, [INFO] [stdout] 189 | | exclusive: true, [INFO] [stdout] ... | [INFO] [stdout] 192 | | baud_rate: builder.baud_rate, [INFO] [stdout] 193 | | }) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/posix/tty.rs:333:12 [INFO] [stdout] | [INFO] [stdout] 262 | let next_pty_fd = nix::pty::posix_openpt(nix::fcntl::OFlag::O_RDWR)?; [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 312 | let slave_tty = TTYPort { [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 324 | let master_tty = TTYPort { [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 333 | Ok((master_tty, slave_tty)) [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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `serialport` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "fbdae65aa5db0f3692c45954c8e4aab94693570d5eaf8603ad8ca20a919c1cf7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fbdae65aa5db0f3692c45954c8e4aab94693570d5eaf8603ad8ca20a919c1cf7", kill_on_drop: false }` [INFO] [stdout] fbdae65aa5db0f3692c45954c8e4aab94693570d5eaf8603ad8ca20a919c1cf7