[INFO] fetching crate x328-proto 0.2.0... [INFO] checking x328-proto-0.2.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate x328-proto 0.2.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate x328-proto 0.2.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate x328-proto 0.2.0 [INFO] finished tweaking crates.io crate x328-proto 0.2.0 [INFO] tweaked toml for crates.io crate x328-proto 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate x328-proto 0.2.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1ec85d715c3999df6e5b8e1d1c611f6711a96ee89a9292d7ccccbb725980f356 [INFO] running `Command { std: "docker" "start" "-a" "1ec85d715c3999df6e5b8e1d1c611f6711a96ee89a9292d7ccccbb725980f356", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1ec85d715c3999df6e5b8e1d1c611f6711a96ee89a9292d7ccccbb725980f356", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ec85d715c3999df6e5b8e1d1c611f6711a96ee89a9292d7ccccbb725980f356", kill_on_drop: false }` [INFO] [stdout] 1ec85d715c3999df6e5b8e1d1c611f6711a96ee89a9292d7ccccbb725980f356 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 70852ff11ff3c4f598e8c0540a86d6177cd2a9fdd6a496b87dcff31d9a77bb02 [INFO] running `Command { std: "docker" "start" "-a" "70852ff11ff3c4f598e8c0540a86d6177cd2a9fdd6a496b87dcff31d9a77bb02", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.148 [INFO] [stderr] Compiling proc-macro2 v1.0.67 [INFO] [stderr] Checking memchr v2.6.3 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling rustix v0.37.23 [INFO] [stderr] Checking regex-syntax v0.7.5 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Checking linux-raw-sys v0.3.8 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking bitflags v2.0.2 [INFO] [stderr] Checking arrayvec v0.7.4 [INFO] [stderr] Checking termcolor v1.3.0 [INFO] [stderr] Checking aho-corasick v1.1.1 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking nix v0.26.4 [INFO] [stderr] Checking libudev v0.3.0 [INFO] [stderr] Checking regex-automata v0.3.8 [INFO] [stderr] Checking is-terminal v0.4.7 [INFO] [stderr] Checking serialport v4.2.2 [INFO] [stderr] Compiling snafu-derive v0.7.5 [INFO] [stderr] Checking regex v1.9.5 [INFO] [stderr] Checking env_logger v0.10.0 [INFO] [stderr] Checking snafu v0.7.5 [INFO] [stderr] Checking x328-proto v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/master.rs:380:19 [INFO] [stdout] | [INFO] [stdout] 377 | mut writer: impl Write, [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 380 | match writer [INFO] [stdout] | ___________________^ [INFO] [stdout] 381 | | .write_all(send.get_data()) [INFO] [stdout] 382 | | .and_then(|_| writer.flush()) [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: this value of type `Result<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/master.rs:380:19 [INFO] [stdout] | [INFO] [stdout] 377 | mut writer: impl Write, [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 380 | match writer [INFO] [stdout] | ___________________^ [INFO] [stdout] 381 | | .write_all(send.get_data()) [INFO] [stdout] 382 | | .and_then(|_| writer.flush()) [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 `x328-proto` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `x328-proto` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "70852ff11ff3c4f598e8c0540a86d6177cd2a9fdd6a496b87dcff31d9a77bb02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70852ff11ff3c4f598e8c0540a86d6177cd2a9fdd6a496b87dcff31d9a77bb02", kill_on_drop: false }` [INFO] [stdout] 70852ff11ff3c4f598e8c0540a86d6177cd2a9fdd6a496b87dcff31d9a77bb02