[INFO] fetching crate async-signals 0.5.0... [INFO] checking async-signals-0.5.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate async-signals 0.5.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate async-signals 0.5.0 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] started tweaking crates.io crate async-signals 0.5.0 [INFO] finished tweaking crates.io crate async-signals 0.5.0 [INFO] tweaked toml for crates.io crate async-signals 0.5.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 32 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding miniz_oxide v0.7.4 (latest: v0.8.0) [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] 123dc7be684cc7d40a967b13b6d9af5a42b4d008cd1690954292a2cbf6184b7e [INFO] running `Command { std: "docker" "start" "-a" "123dc7be684cc7d40a967b13b6d9af5a42b4d008cd1690954292a2cbf6184b7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "123dc7be684cc7d40a967b13b6d9af5a42b4d008cd1690954292a2cbf6184b7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "123dc7be684cc7d40a967b13b6d9af5a42b4d008cd1690954292a2cbf6184b7e", kill_on_drop: false }` [INFO] [stdout] 123dc7be684cc7d40a967b13b6d9af5a42b4d008cd1690954292a2cbf6184b7e [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] e9d9615a58ca009e291d97894e250f52a5e20d51563d4abdf0d88a134c49b381 [INFO] running `Command { std: "docker" "start" "-a" "e9d9615a58ca009e291d97894e250f52a5e20d51563d4abdf0d88a134c49b381", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling cfg_aliases v0.2.1 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling nix v0.29.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-queue v0.3.11 [INFO] [stderr] Checking crossbeam-skiplist v0.1.3 [INFO] [stderr] Checking async-signals v0.5.0 (/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/lib.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 25 | let (reader, write) = UnixStream::pair()?; [INFO] [stdout] | ------ ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 29 | Ok((reader, write)) [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] | [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/lib.rs:160:20 [INFO] [stdout] | [INFO] [stdout] 158 | fn new(interests: SkipSet) -> Self { [INFO] [stdout] | ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 159 | Self { [INFO] [stdout] 160 | queue: Default::default(), [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/lib.rs:161:20 [INFO] [stdout] | [INFO] [stdout] 158 | fn new(interests: SkipSet) -> Self { [INFO] [stdout] | ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 161 | waker: Default::default(), [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/lib.rs:241:12 [INFO] [stdout] | [INFO] [stdout] 226 | pub fn new>(signals: I) -> io::Result { [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 231 | let signals = signals.into_iter().collect::>(); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 232 | let id = SIGNALS_SET.generate_id(); [INFO] [stdout] 233 | let mut signal_notifiers = SIGNALS_SET.signal_notifiers.lock().unwrap(); [INFO] [stdout] | ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 238 | let inner = Arc::new(SignalsInner::new(signals)); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 241 | Ok(Self { id, inner }) [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: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `async-signals` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "e9d9615a58ca009e291d97894e250f52a5e20d51563d4abdf0d88a134c49b381", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9d9615a58ca009e291d97894e250f52a5e20d51563d4abdf0d88a134c49b381", kill_on_drop: false }` [INFO] [stdout] e9d9615a58ca009e291d97894e250f52a5e20d51563d4abdf0d88a134c49b381