[INFO] fetching crate x11-dl 2.21.0...
[INFO] checking x11-dl-2.21.0 against nightly-2024-02-05 for check-cfg-2
[INFO] extracting crate x11-dl 2.21.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate x11-dl 2.21.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate x11-dl 2.21.0
[INFO] finished tweaking crates.io crate x11-dl 2.21.0
[INFO] tweaked toml for crates.io crate x11-dl 2.21.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate x11-dl 2.21.0 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pkg-config v0.3.26
[INFO] [stderr]   Downloaded libc v0.2.139
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74cfe274f98f5238f5e9d73cfac60f9785114c2830b61a6c39f7e4b738fecac2
[INFO] running `Command { std: "docker" "start" "-a" "74cfe274f98f5238f5e9d73cfac60f9785114c2830b61a6c39f7e4b738fecac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74cfe274f98f5238f5e9d73cfac60f9785114c2830b61a6c39f7e4b738fecac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74cfe274f98f5238f5e9d73cfac60f9785114c2830b61a6c39f7e4b738fecac2", kill_on_drop: false }`
[INFO] [stdout] 74cfe274f98f5238f5e9d73cfac60f9785114c2830b61a6c39f7e4b738fecac2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c302a4387e747f11d3b4bfdeae33a3f075fb5b8ba9df2e113acfa732e50f83da
[INFO] running `Command { std: "docker" "start" "-a" "c302a4387e747f11d3b4bfdeae33a3f075fb5b8ba9df2e113acfa732e50f83da", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling x11-dl v2.21.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `XEventQueueOwner`, which is not FFI-safe
[INFO] [stdout]   --> src/link.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 |         $(pub $fn_name: unsafe extern "C" fn ($($param_type),*) -> $ret_type,)*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/xlib_xcb.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | / x11_link! { Xlib_xcb, xlib_xcb, ["libX11-xcb.so.1", "libX11-xcb.so"], 2,
[INFO] [stdout] 5  | |     pub fn XGetXCBConnection(_1: *mut Display) -> *mut xcb_connection_t,
[INFO] [stdout] 6  | |     pub fn XSetEventQueueOwner(_1: *mut Display, _2: XEventQueueOwner) -> (),
[INFO] [stdout] 7  | |     variadic:
[INFO] [stdout] 8  | |     globals:
[INFO] [stdout] 9  | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]    = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/xlib_xcb.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum XEventQueueOwner {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `x11_link` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `XEventQueueOwner`, which is not FFI-safe
[INFO] [stdout]   --> src/link.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 |         $(pub $fn_name: unsafe extern "C" fn ($($param_type),*) -> $ret_type,)*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/xlib_xcb.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | / x11_link! { Xlib_xcb, xlib_xcb, ["libX11-xcb.so.1", "libX11-xcb.so"], 2,
[INFO] [stdout] 5  | |     pub fn XGetXCBConnection(_1: *mut Display) -> *mut xcb_connection_t,
[INFO] [stdout] 6  | |     pub fn XSetEventQueueOwner(_1: *mut Display, _2: XEventQueueOwner) -> (),
[INFO] [stdout] 7  | |     variadic:
[INFO] [stdout] 8  | |     globals:
[INFO] [stdout] 9  | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]    = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/xlib_xcb.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum XEventQueueOwner {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `x11_link` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `XSetWindowAttributes` does not permit being left uninitialized
[INFO] [stdout]   --> examples/hello-world-dl.rs:30:58
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let mut attributes: xlib::XSetWindowAttributes = mem::MaybeUninit::uninit().assume_init();
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                                          |
[INFO] [stdout]    |                                                          this code causes undefined behavior when executed
[INFO] [stdout]    |                                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.61s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c302a4387e747f11d3b4bfdeae33a3f075fb5b8ba9df2e113acfa732e50f83da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c302a4387e747f11d3b4bfdeae33a3f075fb5b8ba9df2e113acfa732e50f83da", kill_on_drop: false }`
[INFO] [stdout] c302a4387e747f11d3b4bfdeae33a3f075fb5b8ba9df2e113acfa732e50f83da
