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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid-wallace-croft%2Fbook-async-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/david-wallace-croft/book-async-rust
[INFO] finished tweaking git repo https://github.com/david-wallace-croft/book-async-rust
[INFO] tweaked toml for git repo https://github.com/david-wallace-croft/book-async-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
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[INFO] [stdout] warning: this lint expectation is unfulfilled
[INFO] [stdout]   --> src/bin/ch03-refactoring/counter_future.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |   #[expect(dead_code)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unfulfilled_lint_expectations)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lint expectation is unfulfilled
[INFO] [stdout]   --> src/bin/ch03-running/counter_future.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |   #[expect(dead_code)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unfulfilled_lint_expectations)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `coroutines` is declared but not used
[INFO] [stdout]  --> src/bin/ch05-p098-calling/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(coroutines)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `coroutines` is declared but not used
[INFO] [stdout]  --> src/bin/ch05-p100-mimicking/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(coroutines)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lint expectation is unfulfilled
[INFO] [stdout]   --> src/bin/ch03-creating/counter_future.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |   #[expect(dead_code)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unfulfilled_lint_expectations)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lint expectation is unfulfilled
[INFO] [stdout]   --> src/bin/ch03-configuring/counter_future.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |   #[expect(dead_code)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unfulfilled_lint_expectations)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `*mut x11::xlib::_XDisplay` cannot be shared between threads safely
[INFO] [stdout]   --> src/bin/ch06-p124-getting/statics.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub static DEVICE_STATE: LazyLock<Arc<DeviceState>> =
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ `*mut x11::xlib::_XDisplay` cannot be shared between threads safely
[INFO] [stdout]    |
[INFO] [stdout]    = help: within `device_state::linux::X11Connection`, the trait `Sync` is not implemented for `*mut x11::xlib::_XDisplay`
[INFO] [stdout] note: required because it appears within the type `device_state::linux::X11Connection`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/device_query-1.1.3/src/device_state/linux/mod.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct X11Connection {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    = note: required for `Arc<device_state::linux::X11Connection>` to implement `Sync`
[INFO] [stdout] note: required because it appears within the type `DeviceState`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/device_query-1.1.3/src/device_state/linux/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct DeviceState {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    = note: required for `Arc<DeviceState>` to implement `Sync`
[INFO] [stdout]    = note: 1 redundant requirement hidden
[INFO] [stdout]    = note: required for `LazyLock<Arc<DeviceState>>` to implement `Sync`
[INFO] [stdout]    = note: shared static variables must have a type that implements `Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `*mut x11::xlib::_XDisplay` cannot be sent between threads safely
[INFO] [stdout]   --> src/bin/ch06-p124-getting/statics.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub static DEVICE_STATE: LazyLock<Arc<DeviceState>> =
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ `*mut x11::xlib::_XDisplay` cannot be sent between threads safely
[INFO] [stdout]    |
[INFO] [stdout]    = help: within `device_state::linux::X11Connection`, the trait `Send` is not implemented for `*mut x11::xlib::_XDisplay`
[INFO] [stdout] note: required because it appears within the type `device_state::linux::X11Connection`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/device_query-1.1.3/src/device_state/linux/mod.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct X11Connection {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    = note: required for `Arc<device_state::linux::X11Connection>` to implement `Sync`
[INFO] [stdout] note: required because it appears within the type `DeviceState`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/device_query-1.1.3/src/device_state/linux/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct DeviceState {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    = note: required for `Arc<DeviceState>` to implement `Sync`
[INFO] [stdout]    = note: 1 redundant requirement hidden
[INFO] [stdout]    = note: required for `LazyLock<Arc<DeviceState>>` to implement `Sync`
[INFO] [stdout]    = note: shared static variables must have a type that implements `Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lint expectation is unfulfilled
[INFO] [stdout]   --> src/bin/ch03-configuring/counter_future.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |   #[expect(dead_code)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unfulfilled_lint_expectations)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `coroutines` is declared but not used
[INFO] [stdout]  --> src/bin/ch05-p096-stacking/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(coroutines)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `book-async-rust` (bin "ch06-p124-getting") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: feature `coroutines` is declared but not used
[INFO] [stdout]  --> src/bin/ch05-p091-why/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(coroutines)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lint expectation is unfulfilled
[INFO] [stdout]   --> src/bin/ch03-running/counter_future.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |   #[expect(dead_code)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unfulfilled_lint_expectations)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f9d53f222296ac6b16de417d679355f51cd707155f9b586fa595895ee30d9be4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d53f222296ac6b16de417d679355f51cd707155f9b586fa595895ee30d9be4", kill_on_drop: false }`
[INFO] [stdout] f9d53f222296ac6b16de417d679355f51cd707155f9b586fa595895ee30d9be4