[INFO] fetching crate windows-webview2 0.1.0... [INFO] checking windows-webview2-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate windows-webview2 0.1.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate windows-webview2 0.1.0 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 windows-webview2 0.1.0 [INFO] finished tweaking crates.io crate windows-webview2 0.1.0 [INFO] tweaked toml for crates.io crate windows-webview2 0.1.0 written to /workspace/builds/worker-3-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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 19 packages to latest compatible versions [INFO] [stderr] Adding const-sha1 v0.2.0 (latest: v0.3.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding windows v0.7.0 (latest: v0.58.0) [INFO] [stderr] Adding windows_gen v0.7.0 (latest: v0.31.0) [INFO] [stderr] Adding windows_macros v0.7.0 (latest: v0.31.0) [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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] eb70af4f2cddbf819ba0ca1bbd92448e31afe4e2c2e1e3f8fbf84e66c2d1767c [INFO] running `Command { std: "docker" "start" "-a" "eb70af4f2cddbf819ba0ca1bbd92448e31afe4e2c2e1e3f8fbf84e66c2d1767c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eb70af4f2cddbf819ba0ca1bbd92448e31afe4e2c2e1e3f8fbf84e66c2d1767c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb70af4f2cddbf819ba0ca1bbd92448e31afe4e2c2e1e3f8fbf84e66c2d1767c", kill_on_drop: false }` [INFO] [stdout] eb70af4f2cddbf819ba0ca1bbd92448e31afe4e2c2e1e3f8fbf84e66c2d1767c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 69d80e8c64a02ea92a1e132073818dab151e728e735ac396c1c3b4f5d48b10ba [INFO] running `Command { std: "docker" "start" "-a" "69d80e8c64a02ea92a1e132073818dab151e728e735ac396c1c3b4f5d48b10ba", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling squote v0.1.2 [INFO] [stderr] Checking unicode-ident v1.0.12 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Compiling itoa v1.0.11 [INFO] [stderr] Compiling ryu v1.0.18 [INFO] [stderr] Compiling const-sha1 v0.2.0 [INFO] [stderr] Compiling thiserror v1.0.63 [INFO] [stderr] Compiling serde_json v1.0.127 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking windows_gen v0.7.0 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Compiling windows_macros v0.7.0 [INFO] [stderr] Compiling windows v0.7.0 [INFO] [stderr] Compiling windows-webview2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: constant `WEBVIEW2_NAME` is never used [INFO] [stdout] --> build.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | const WEBVIEW2_NAME: &str = "Microsoft.Web.WebView2"; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `WEBVIEW2_VERSION` is never used [INFO] [stdout] --> build.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | const WEBVIEW2_VERSION: &str = "1.0.824-prerelease"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `install` is never used [INFO] [stdout] --> build.rs:59:10 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn install() -> Result { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_manifest_dir` is never used [INFO] [stdout] --> build.rs:98:6 [INFO] [stdout] | [INFO] [stdout] 98 | fn get_manifest_dir() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `check_nuget_dir` is never used [INFO] [stdout] --> build.rs:102:6 [INFO] [stdout] | [INFO] [stdout] 102 | fn check_nuget_dir(install_root: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `update_windows` is never used [INFO] [stdout] --> build.rs:120:10 [INFO] [stdout] | [INFO] [stdout] 120 | pub fn update_windows(package_root: PathBuf) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_workspace_dir` is never used [INFO] [stdout] --> build.rs:155:6 [INFO] [stdout] | [INFO] [stdout] 155 | fn get_workspace_dir() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `workspace_root` is never read [INFO] [stdout] --> build.rs:160:7 [INFO] [stdout] | [INFO] [stdout] 159 | struct CargoMetadata { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 160 | workspace_root: String, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `MissingPath` is never constructed [INFO] [stdout] --> build.rs:181:5 [INFO] [stdout] | [INFO] [stdout] 173 | pub enum Error { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 181 | MissingPath(PathBuf), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] --> build.rs:117:8 [INFO] [stdout] | [INFO] [stdout] 104 | let mut dir_iter = fs::read_dir(install_root)?.filter(|dir| match dir { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 117 | Ok(dir_iter.next().is_some()) [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: aborting due to 1 previous error; 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `windows-webview2` (build script) due to 2 previous errors; 9 warnings emitted [INFO] running `Command { std: "docker" "inspect" "69d80e8c64a02ea92a1e132073818dab151e728e735ac396c1c3b4f5d48b10ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69d80e8c64a02ea92a1e132073818dab151e728e735ac396c1c3b4f5d48b10ba", kill_on_drop: false }` [INFO] [stdout] 69d80e8c64a02ea92a1e132073818dab151e728e735ac396c1c3b4f5d48b10ba