[INFO] fetching crate cec_linux 0.2.0... [INFO] checking cec_linux-0.2.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate cec_linux 0.2.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate cec_linux 0.2.0 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] started tweaking crates.io crate cec_linux 0.2.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate cec_linux 0.2.0 [INFO] tweaked toml for crates.io crate cec_linux 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate cec_linux 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b76917f7f5abfa98da6bc3c787f120a6be8cfcd874e74559d06d1bc616bb33f7 [INFO] running `Command { std: "docker" "start" "-a" "b76917f7f5abfa98da6bc3c787f120a6be8cfcd874e74559d06d1bc616bb33f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b76917f7f5abfa98da6bc3c787f120a6be8cfcd874e74559d06d1bc616bb33f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b76917f7f5abfa98da6bc3c787f120a6be8cfcd874e74559d06d1bc616bb33f7", kill_on_drop: false }` [INFO] [stdout] b76917f7f5abfa98da6bc3c787f120a6be8cfcd874e74559d06d1bc616bb33f7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d852742a742f7ab2f412a8754aba4d27e1942d2bb4a5cb8e3d5378f5aa9b18b2 [INFO] running `Command { std: "docker" "start" "-a" "d852742a742f7ab2f412a8754aba4d27e1942d2bb4a5cb8e3d5378f5aa9b18b2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling hashbrown v0.14.3 [INFO] [stderr] Compiling winnow v0.5.40 [INFO] [stderr] Compiling toml_datetime v0.6.5 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling cfg_aliases v0.1.1 [INFO] [stderr] Checking bitflags v2.4.2 [INFO] [stderr] Compiling nix v0.28.0 [INFO] [stderr] Compiling indexmap v2.2.5 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.52 [INFO] [stderr] Compiling toml_edit v0.21.1 [INFO] [stderr] Compiling proc-macro-crate v3.1.0 [INFO] [stderr] Compiling num_enum_derive v0.7.2 [INFO] [stderr] Checking num_enum v0.7.2 [INFO] [stderr] Checking cec_linux v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `AsFd` [INFO] [stdout] --> src/lib.rs:32:14 [INFO] [stdout] | [INFO] [stdout] 32 | os::fd::{AsFd, AsRawFd}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:175:9 [INFO] [stdout] | [INFO] [stdout] 168 | / match evt.typ { [INFO] [stdout] 169 | | CecEventType::LostMsgs => return Ok(CecEvent::LostMsgs(evt.payload.lost_msgs)), [INFO] [stdout] 170 | | CecEventType::StateChange => { [INFO] [stdout] 171 | | return Ok(CecEvent::StateChange(evt.payload.state_change)) [INFO] [stdout] 172 | | } [INFO] [stdout] 173 | | } [INFO] [stdout] | |_____________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] 174 | } [INFO] [stdout] 175 | Err(std::io::ErrorKind::Other.into()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:175:9 [INFO] [stdout] | [INFO] [stdout] 168 | / match evt.typ { [INFO] [stdout] 169 | | CecEventType::LostMsgs => return Ok(CecEvent::LostMsgs(evt.payload.lost_msgs)), [INFO] [stdout] 170 | | CecEventType::StateChange => { [INFO] [stdout] 171 | | return Ok(CecEvent::StateChange(evt.payload.state_change)) [INFO] [stdout] 172 | | } [INFO] [stdout] 173 | | } [INFO] [stdout] | |_____________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] 174 | } [INFO] [stdout] 175 | Err(std::io::ErrorKind::Other.into()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsFd` [INFO] [stdout] --> src/lib.rs:32:14 [INFO] [stdout] | [INFO] [stdout] 32 | os::fd::{AsFd, AsRawFd}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [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/lib.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 65 | pub fn open>(path: P) -> Result { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 66 | / std::fs::OpenOptions::new() [INFO] [stdout] 67 | | .read(true) [INFO] [stdout] 68 | | .write(true) [INFO] [stdout] 69 | | .open(path) [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cec_linux` (lib test) due to 2 previous errors; 2 warnings emitted [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/lib.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 65 | pub fn open>(path: P) -> Result { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 66 | / std::fs::OpenOptions::new() [INFO] [stdout] 67 | | .read(true) [INFO] [stdout] 68 | | .write(true) [INFO] [stdout] 69 | | .open(path) [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cec_linux` (lib) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "d852742a742f7ab2f412a8754aba4d27e1942d2bb4a5cb8e3d5378f5aa9b18b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d852742a742f7ab2f412a8754aba4d27e1942d2bb4a5cb8e3d5378f5aa9b18b2", kill_on_drop: false }` [INFO] [stdout] d852742a742f7ab2f412a8754aba4d27e1942d2bb4a5cb8e3d5378f5aa9b18b2