[INFO] fetching crate window-observer 0.1.2... [INFO] testing window-observer-0.1.2 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate window-observer 0.1.2 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate window-observer 0.1.2 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate window-observer 0.1.2 [INFO] tweaked toml for crates.io crate window-observer 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate window-observer 0.1.2 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate window-observer 0.1.2 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 88503870bbf884efe8a1bc3e33a1f33fbe8d9eada04d696c1c7634cbbc509685 [INFO] running `Command { std: "docker" "start" "-a" "88503870bbf884efe8a1bc3e33a1f33fbe8d9eada04d696c1c7634cbbc509685", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "88503870bbf884efe8a1bc3e33a1f33fbe8d9eada04d696c1c7634cbbc509685", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88503870bbf884efe8a1bc3e33a1f33fbe8d9eada04d696c1c7634cbbc509685", kill_on_drop: false }` [INFO] [stdout] 88503870bbf884efe8a1bc3e33a1f33fbe8d9eada04d696c1c7634cbbc509685 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4aeb7807086a945fd54ea1d511c89c317f604d15b38d74f23057e4f8bdbc3c67 [INFO] running `Command { std: "docker" "start" "-a" "4aeb7807086a945fd54ea1d511c89c317f604d15b38d74f23057e4f8bdbc3c67", kill_on_drop: false }` [INFO] [stderr] Compiling tokio v1.48.0 [INFO] [stderr] Compiling syn v2.0.108 [INFO] [stderr] Compiling thiserror-impl v2.0.17 [INFO] [stderr] Compiling thiserror v2.0.17 [INFO] [stderr] Compiling window-getter v0.1.2 [INFO] [stdout] error[E0432]: unresolved import `crate::platform_impl::PlatformBounds` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/window-getter-0.1.2/src/bounds.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::platform_impl::PlatformBounds; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `PlatformBounds` in `platform_impl` [INFO] [stdout] | [INFO] [stdout] note: found an item that was configured out [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/window-getter-0.1.2/src/platform_impl/mod.rs:10:20 [INFO] [stdout] | [INFO] [stdout] 8 | #[cfg(target_os = "macos")] [INFO] [stdout] | ------------------- the item is gated behind the `macos` feature [INFO] [stdout] 9 | pub use macos::{ [INFO] [stdout] 10 | MacOSBounds as PlatformBounds, MacOSError as PlatformError, MacOSWindow as PlatformWindow, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] note: found an item that was configured out [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/window-getter-0.1.2/src/platform_impl/mod.rs:15:22 [INFO] [stdout] | [INFO] [stdout] 13 | #[cfg(target_os = "windows")] [INFO] [stdout] | --------------------- the item is gated behind the `windows` feature [INFO] [stdout] 14 | pub use windows::{ [INFO] [stdout] 15 | WindowsBounds as PlatformBounds, WindowsError as PlatformError, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `crate::platform_impl::PlatformWindow` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/window-getter-0.1.2/src/window.rs:1:38 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::{Bounds, Error, WindowId, platform_impl::PlatformWindow}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `PlatformWindow` in `platform_impl` [INFO] [stdout] | [INFO] [stdout] note: found an item that was configured out [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/window-getter-0.1.2/src/platform_impl/mod.rs:10:80 [INFO] [stdout] | [INFO] [stdout] 8 | #[cfg(target_os = "macos")] [INFO] [stdout] | ------------------- the item is gated behind the `macos` feature [INFO] [stdout] 9 | pub use macos::{ [INFO] [stdout] 10 | MacOSBounds as PlatformBounds, MacOSError as PlatformError, MacOSWindow as PlatformWindow, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] note: found an item that was configured out [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/window-getter-0.1.2/src/platform_impl/mod.rs:16:22 [INFO] [stdout] | [INFO] [stdout] 13 | #[cfg(target_os = "windows")] [INFO] [stdout] | --------------------- the item is gated behind the `windows` feature [INFO] [stdout] ... [INFO] [stdout] 16 | WindowsWindow as PlatformWindow, WindowsWindowId as PlatformWindowId, get_window, get_windows, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `crate::platform_impl::PlatformWindowId` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/window-getter-0.1.2/src/window_id.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::platform_impl::PlatformWindowId; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `PlatformWindowId` in `platform_impl` [INFO] [stdout] | [INFO] [stdout] note: found an item that was configured out [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/window-getter-0.1.2/src/platform_impl/mod.rs:11:22 [INFO] [stdout] | [INFO] [stdout] 8 | #[cfg(target_os = "macos")] [INFO] [stdout] | ------------------- the item is gated behind the `macos` feature [INFO] [stdout] ... [INFO] [stdout] 11 | MacOSWindowId as PlatformWindowId, get_window, get_windows, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] note: found an item that was configured out [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/window-getter-0.1.2/src/platform_impl/mod.rs:16:57 [INFO] [stdout] | [INFO] [stdout] 13 | #[cfg(target_os = "windows")] [INFO] [stdout] | --------------------- the item is gated behind the `windows` feature [INFO] [stdout] ... [INFO] [stdout] 16 | WindowsWindow as PlatformWindow, WindowsWindowId as PlatformWindowId, get_window, get_windows, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `PlatformError` in module `super::platform_impl` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/window-getter-0.1.2/src/error.rs:14:44 [INFO] [stdout] | [INFO] [stdout] 14 | PermissionDenied(super::platform_impl::PlatformError), [INFO] [stdout] | ^^^^^^^^^^^^^ not found in `super::platform_impl` [INFO] [stdout] | [INFO] [stdout] note: found an item that was configured out [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/window-getter-0.1.2/src/platform_impl/mod.rs:10:50 [INFO] [stdout] | [INFO] [stdout] 8 | #[cfg(target_os = "macos")] [INFO] [stdout] | ------------------- the item is gated behind the `macos` feature [INFO] [stdout] 9 | pub use macos::{ [INFO] [stdout] 10 | MacOSBounds as PlatformBounds, MacOSError as PlatformError, MacOSWindow as PlatformWindow, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] note: found an item that was configured out [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/window-getter-0.1.2/src/platform_impl/mod.rs:15:54 [INFO] [stdout] | [INFO] [stdout] 13 | #[cfg(target_os = "windows")] [INFO] [stdout] | --------------------- the item is gated behind the `windows` feature [INFO] [stdout] 14 | pub use windows::{ [INFO] [stdout] 15 | WindowsBounds as PlatformBounds, WindowsError as PlatformError, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `PlatformError` in module `super::platform_impl` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/window-getter-0.1.2/src/error.rs:17:49 [INFO] [stdout] | [INFO] [stdout] 17 | PlatformSpecificError(super::platform_impl::PlatformError), [INFO] [stdout] | ^^^^^^^^^^^^^ not found in `super::platform_impl` [INFO] [stdout] | [INFO] [stdout] note: found an item that was configured out [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/window-getter-0.1.2/src/platform_impl/mod.rs:10:50 [INFO] [stdout] | [INFO] [stdout] 8 | #[cfg(target_os = "macos")] [INFO] [stdout] | ------------------- the item is gated behind the `macos` feature [INFO] [stdout] 9 | pub use macos::{ [INFO] [stdout] 10 | MacOSBounds as PlatformBounds, MacOSError as PlatformError, MacOSWindow as PlatformWindow, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] note: found an item that was configured out [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/window-getter-0.1.2/src/platform_impl/mod.rs:15:54 [INFO] [stdout] | [INFO] [stdout] 13 | #[cfg(target_os = "windows")] [INFO] [stdout] | --------------------- the item is gated behind the `windows` feature [INFO] [stdout] 14 | pub use windows::{ [INFO] [stdout] 15 | WindowsBounds as PlatformBounds, WindowsError as PlatformError, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `get_windows` in module `platform_impl` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/window-getter-0.1.2/src/lib.rs:31:20 [INFO] [stdout] | [INFO] [stdout] 31 | platform_impl::get_windows() [INFO] [stdout] | ^^^^^^^^^^^ not found in `platform_impl` [INFO] [stdout] | [INFO] [stdout] note: found an item that was configured out [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/window-getter-0.1.2/src/platform_impl/mod.rs:11:52 [INFO] [stdout] | [INFO] [stdout] 8 | #[cfg(target_os = "macos")] [INFO] [stdout] | ------------------- the item is gated behind the `macos` feature [INFO] [stdout] ... [INFO] [stdout] 11 | MacOSWindowId as PlatformWindowId, get_window, get_windows, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] note: found an item that was configured out [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/window-getter-0.1.2/src/platform_impl/mod.rs:16:87 [INFO] [stdout] | [INFO] [stdout] 13 | #[cfg(target_os = "windows")] [INFO] [stdout] | --------------------- the item is gated behind the `windows` feature [INFO] [stdout] ... [INFO] [stdout] 16 | WindowsWindow as PlatformWindow, WindowsWindowId as PlatformWindowId, get_window, get_windows, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/window-getter-0.1.2/src/window.rs:30:25 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn id(&self) -> WindowId { [INFO] [stdout] | -- ^^^^^^^^ expected `WindowId`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/window-getter-0.1.2/src/window.rs:48:28 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn title(&self) -> Result, Error> { [INFO] [stdout] | ----- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result, Error>`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Result, error::Error>` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/window-getter-0.1.2/src/window.rs:61:29 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn bounds(&self) -> Result { [INFO] [stdout] | ------ ^^^^^^^^^^^^^^^^^^^^^ expected `Result`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Result` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/window-getter-0.1.2/src/window.rs:76:32 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn owner_pid(&self) -> Result { [INFO] [stdout] | --------- ^^^^^^^^^^^^^^^^^^ expected `Result`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Result` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/window-getter-0.1.2/src/window.rs:95:33 [INFO] [stdout] | [INFO] [stdout] 95 | pub fn owner_name(&self) -> Result, Error> { [INFO] [stdout] | ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result, Error>`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Result, error::Error>` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/window-getter-0.1.2/src/window_id.rs:39:29 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn as_u32(&self) -> u32 { [INFO] [stdout] | ------ ^^^ expected `u32`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/window-getter-0.1.2/src/window_id.rs:52:25 [INFO] [stdout] | [INFO] [stdout] 52 | fn from(id: u32) -> Self { [INFO] [stdout] | ---- ^^^^ expected `WindowId`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/window-getter-0.1.2/src/lib.rs:18:36 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn get_window(id: WindowId) -> Result, Error> { [INFO] [stdout] | ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result, Error>`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Result, error::Error>` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0412, E0425, E0432. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `window-getter` (lib) due to 14 previous errors [INFO] running `Command { std: "docker" "inspect" "4aeb7807086a945fd54ea1d511c89c317f604d15b38d74f23057e4f8bdbc3c67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4aeb7807086a945fd54ea1d511c89c317f604d15b38d74f23057e4f8bdbc3c67", kill_on_drop: false }` [INFO] [stdout] 4aeb7807086a945fd54ea1d511c89c317f604d15b38d74f23057e4f8bdbc3c67