[INFO] cloning repository https://github.com/david-wallace-croft/book-async-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/david-wallace-croft/book-async-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid-wallace-croft%2Fbook-async-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid-wallace-croft%2Fbook-async-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93214f6062f92c6252690d7843b11f0c883e7a72
[INFO] checking david-wallace-croft/book-async-rust against try#4949cf2f817beadb9a248d423b6d55d6d2398ffe for pr-142681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid-wallace-croft%2Fbook-async-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[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-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/david-wallace-croft/book-async-rust on toolchain 4949cf2f817beadb9a248d423b6d55d6d2398ffe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/david-wallace-croft/book-async-rust 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" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "5afa143ee7e89424374bc541de9ce162d6f25e0af03b607985faea03a0e3a20f", kill_on_drop: false }`
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[INFO] [stdout] warning: struct `CustomConnector` is never constructed
[INFO] [stdout]   --> src/bin/ch04-p074-building/custom_connector.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct CustomConnector;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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: struct `CustomConnector` is never constructed
[INFO] [stdout]   --> src/bin/ch04-p074-building/custom_connector.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct CustomConnector;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `CustomConnector` is never constructed
[INFO] [stdout]   --> src/bin/ch04-p079-implementing/custom_connector.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct CustomConnector;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cd93e30b2294e2b6b0a68907b633b58cda729abe7d657b70812a67058f54895e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd93e30b2294e2b6b0a68907b633b58cda729abe7d657b70812a67058f54895e", kill_on_drop: false }`
[INFO] [stdout] cd93e30b2294e2b6b0a68907b633b58cda729abe7d657b70812a67058f54895e