[INFO] fetching crate calloop-wayland-source 0.4.0... [INFO] checking calloop-wayland-source-0.4.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate calloop-wayland-source 0.4.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate calloop-wayland-source 0.4.0 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 calloop-wayland-source 0.4.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate calloop-wayland-source 0.4.0 [INFO] tweaked toml for crates.io crate calloop-wayland-source 0.4.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate calloop-wayland-source 0.4.0 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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] df49055b62a53960eb8391b5d74aacfd0ede5df00eb4bc0dce12be65b28ac273 [INFO] running `Command { std: "docker" "start" "-a" "df49055b62a53960eb8391b5d74aacfd0ede5df00eb4bc0dce12be65b28ac273", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "df49055b62a53960eb8391b5d74aacfd0ede5df00eb4bc0dce12be65b28ac273", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df49055b62a53960eb8391b5d74aacfd0ede5df00eb4bc0dce12be65b28ac273", kill_on_drop: false }` [INFO] [stdout] df49055b62a53960eb8391b5d74aacfd0ede5df00eb4bc0dce12be65b28ac273 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6a0b50dbf5205f27b54bf4dc892f47df31f618c00e27b2bc33101ba30d0bcf7c [INFO] running `Command { std: "docker" "start" "-a" "6a0b50dbf5205f27b54bf4dc892f47df31f618c00e27b2bc33101ba30d0bcf7c", kill_on_drop: false }` [INFO] [stderr] Compiling rustix v0.38.34 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Compiling proc-macro2 v1.0.85 [INFO] [stderr] Compiling wayland-sys v0.31.2 [INFO] [stderr] Checking libloading v0.8.3 [INFO] [stderr] Compiling cc v1.0.99 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Checking scoped-tls v1.0.1 [INFO] [stderr] Checking dlib v0.5.2 [INFO] [stderr] Checking downcast-rs v1.2.1 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Compiling wayland-client v0.31.3 [INFO] [stderr] Checking fastrand v2.1.0 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling quick-xml v0.31.0 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling wayland-backend v0.3.4 [INFO] [stderr] Compiling wayland-scanner v0.31.2 [INFO] [stderr] Checking polling v3.7.2 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking calloop v0.14.0 [INFO] [stderr] Checking wayland-protocols v0.32.1 [INFO] [stderr] Checking calloop-wayland-source v0.4.0 (/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:88:25 [INFO] [stdout] | [INFO] [stdout] 82 | pub fn new(connection: Connection, queue: EventQueue) -> WaylandSource { [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] 83 | let connection_source = Generic::new(connection, Interest::READ, Mode::Level); [INFO] [stdout] | ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 88 | read_guard: None, [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: 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:90:27 [INFO] [stdout] | [INFO] [stdout] 82 | pub fn new(connection: Connection, queue: EventQueue) -> WaylandSource { [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] 83 | let connection_source = Generic::new(connection, Interest::READ, Mode::Level); [INFO] [stdout] | ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 90 | stored_error: Ok(()), [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 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `calloop-wayland-source` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "6a0b50dbf5205f27b54bf4dc892f47df31f618c00e27b2bc33101ba30d0bcf7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a0b50dbf5205f27b54bf4dc892f47df31f618c00e27b2bc33101ba30d0bcf7c", kill_on_drop: false }` [INFO] [stdout] 6a0b50dbf5205f27b54bf4dc892f47df31f618c00e27b2bc33101ba30d0bcf7c