[INFO] fetching crate dmc 0.1.0...
[INFO] testing dmc-0.1.0 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate dmc 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate dmc 0.1.0 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dmc 0.1.0
[INFO] finished tweaking crates.io crate dmc 0.1.0
[INFO] tweaked toml for crates.io crate dmc 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.19)
[INFO] [stderr]       Adding uuid v0.5.1 (latest: v1.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded x11 v2.21.0
[INFO] [stderr]   Downloaded uuid v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13ef602deb1eb5b5f9c8cf80bf27d39f9e9974c3c6ed5ef4b39faca32eb84781
[INFO] running `Command { std: "docker" "start" "-a" "13ef602deb1eb5b5f9c8cf80bf27d39f9e9974c3c6ed5ef4b39faca32eb84781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13ef602deb1eb5b5f9c8cf80bf27d39f9e9974c3c6ed5ef4b39faca32eb84781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13ef602deb1eb5b5f9c8cf80bf27d39f9e9974c3c6ed5ef4b39faca32eb84781", kill_on_drop: false }`
[INFO] [stdout] 13ef602deb1eb5b5f9c8cf80bf27d39f9e9974c3c6ed5ef4b39faca32eb84781
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c762529da51a15a2c2a420ef44c080481bf7ece6efc17357b0450e277da20a2d
[INFO] running `Command { std: "docker" "start" "-a" "c762529da51a15a2c2a420ef44c080481bf7ece6efc17357b0450e277da20a2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling dmc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stdout] warning: unexpected `cfg` condition value: `winrt`
[INFO] [stdout]  --> build.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(target_os="winrt")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `teeos`, `tvos`, `uefi`, `unknown`, `visionos`, `vita`, `vxworks`, `wasi`, `watchos`, `windows` and 2 more
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling x11 v2.21.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/lib.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![cfg_attr(feature="cargo-clippy", allow(doc_markdown))]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `dmc_display_backend`
[INFO] [stdout]    --> src/display/mod.rs:146:7
[INFO] [stdout]     |
[INFO] [stdout] 146 | #[cfg(dmc_display_backend="x11")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(dmc_display_backend, values(\"x11\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/display/x11.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `dmc_display_backend`
[INFO] [stdout]    --> src/display/mod.rs:560:11
[INFO] [stdout]     |
[INFO] [stdout] 560 |     #[cfg(dmc_display_backend="x11")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(dmc_display_backend, values(\"x11\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/event/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/display/x11.rs:394:57
[INFO] [stdout]     |
[INFO] [stdout] 394 |             let (mut error_base, mut event_base) = mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/display/x11.rs:402:47
[INFO] [stdout]     |
[INFO] [stdout] 402 |             let (mut major, mut minor) = mem::uninitialized();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/display/x11.rs:546:56
[INFO] [stdout]     |
[INFO] [stdout] 546 |             let mut attrs: x::XWindowAttributes = mem::uninitialized();
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/display/x11.rs:594:57
[INFO] [stdout]     |
[INFO] [stdout] 594 |             let mut title_prop: x::XTextProperty = mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_implicit_prelude]` only has an effect on modules
[INFO] [stdout]   --> src/display/x11.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     #[no_implicit_prelude]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/display/x11.rs:776:9
[INFO] [stdout]     |
[INFO] [stdout] 775 |           let best_fbc: glx::GLXFBConfig = unimplemented!(); // FIXME
[INFO] [stdout]     |                                            ---------------- any code following this expression is unreachable
[INFO] [stdout] 776 | /         let attribs_arb = [
[INFO] [stdout] 777 | |             glx::arb::GLX_CONTEXT_MAJOR_VERSION_ARB, 3,
[INFO] [stdout] 778 | |             glx::arb::GLX_CONTEXT_MINOR_VERSION_ARB, 0,
[INFO] [stdout] 779 | |             glx::arb::GLX_CONTEXT_FLAGS_ARB, 
[INFO] [stdout] ...   |
[INFO] [stdout] 786 | |             xx::None
[INFO] [stdout] 787 | |         ];
[INFO] [stdout]     | |__________^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client_vendor`
[INFO] [stdout]    --> src/display/x11.rs:419:17
[INFO] [stdout]     |
[INFO] [stdout] 419 |             let client_vendor  = glx::glXGetClientString(  x_dpy, xx::GLX_VENDOR);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_vendor`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client_version`
[INFO] [stdout]    --> src/display/x11.rs:420:17
[INFO] [stdout]     |
[INFO] [stdout] 420 |             let client_version = glx::glXGetClientString(  x_dpy, xx::GLX_VERSION);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_vendor`
[INFO] [stdout]    --> src/display/x11.rs:421:17
[INFO] [stdout]     |
[INFO] [stdout] 421 |             let server_vendor  = glx::glXQueryServerString(x_dpy, screen_num, xx::GLX_VENDOR);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_vendor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_version`
[INFO] [stdout]    --> src/display/x11.rs:422:17
[INFO] [stdout]     |
[INFO] [stdout] 422 |             let server_version = glx::glXQueryServerString(x_dpy, screen_num, xx::GLX_VERSION);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resizable`
[INFO] [stdout]    --> src/display/x11.rs:458:23
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stdout]     |                       ^^^^^^^^^ help: try ignoring the field: `resizable: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fully_opaque`
[INFO] [stdout]    --> src/display/x11.rs:458:34
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: try ignoring the field: `fully_opaque: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opengl`
[INFO] [stdout]    --> src/display/x11.rs:458:48
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stdout]     |                                                ^^^^^^ help: try ignoring the field: `opengl: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `allow_high_dpi`
[INFO] [stdout]    --> src/display/x11.rs:458:56
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^ help: try ignoring the field: `allow_high_dpi: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> src/display/x11.rs:762:13
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |             ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `debug`
[INFO] [stdout]    --> src/display/x11.rs:762:22
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |                      ^^^^^ help: try ignoring the field: `debug: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `forward_compatible`
[INFO] [stdout]    --> src/display/x11.rs:762:29
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `forward_compatible: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `profile`
[INFO] [stdout]    --> src/display/x11.rs:762:49
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |                                                 ^^^^^^^ help: try ignoring the field: `profile: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msaa`
[INFO] [stdout]    --> src/display/x11.rs:762:58
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |                                                          ^^^^ help: try ignoring the field: `msaa: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `best_fbc`
[INFO] [stdout]    --> src/display/x11.rs:775:13
[INFO] [stdout]     |
[INFO] [stdout] 775 |         let best_fbc: glx::GLXFBConfig = unimplemented!(); // FIXME
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_best_fbc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/display/mod.rs:830:5
[INFO] [stdout]     |
[INFO] [stdout] 830 |     fn default() -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] ...
[INFO] [stdout] 834 |             .. Default::default()
[INFO] [stdout]     |                ------------------ recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `gen_fbconfig_attribs` is never used
[INFO] [stdout]    --> src/display/x11.rs:690:8
[INFO] [stdout]     |
[INFO] [stdout] 643 | impl Display {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 690 |     fn gen_fbconfig_attribs(settings: &GLContextSettings) -> [c_int; 37] {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GLX_EXTENSIONS` is never used
[INFO] [stdout]   --> src/display/x11.rs:72:15
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub const GLX_EXTENSIONS: i32 = 3;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/display/x11.rs:190:66
[INFO] [stdout]     |
[INFO] [stdout] 190 |                           CString::new(stringify!($atom)).unwrap().as_ptr(), 
[INFO] [stdout]     |                           ---------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout] ...
[INFO] [stdout] 198 | / atoms!(
[INFO] [stdout] 199 | |     WM_PROTOCOLS
[INFO] [stdout] 200 | |     WM_DELETE_WINDOW
[INFO] [stdout] 201 | |     WM_TAKE_FOCUS
[INFO] [stdout] ...   |
[INFO] [stdout] 256 | |     XKLAVIER_STATE
[INFO] [stdout] 257 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `atoms` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `(i32, i32)` does not permit being left uninitialized
[INFO] [stdout]    --> src/display/x11.rs:394:52
[INFO] [stdout]     |
[INFO] [stdout] 394 |             let (mut error_base, mut event_base) = mem::uninitialized();
[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] [stdout] warning: the type `(i32, i32)` does not permit being left uninitialized
[INFO] [stdout]    --> src/display/x11.rs:402:42
[INFO] [stdout]     |
[INFO] [stdout] 402 |             let (mut major, mut minor) = mem::uninitialized();
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `XWindowAttributes` does not permit being left uninitialized
[INFO] [stdout]    --> src/display/x11.rs:546:51
[INFO] [stdout]     |
[INFO] [stdout] 546 |             let mut attrs: x::XWindowAttributes = mem::uninitialized();
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `XTextProperty` does not permit being left uninitialized
[INFO] [stdout]    --> src/display/x11.rs:594:52
[INFO] [stdout]     |
[INFO] [stdout] 594 |             let mut title_prop: x::XTextProperty = mem::uninitialized();
[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: raw pointers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `glXCreateContextAttribsARB` should have a snake case name
[INFO] [stdout]    --> src/display/x11.rs:807:13
[INFO] [stdout]     |
[INFO] [stdout] 807 |         let glXCreateContextAttribsARB = glx.ext.glXCreateContextAttribsARB.unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `gl_xcreate_context_attribs_arb`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `None` should have an upper case name
[INFO] [stdout]   --> src/display/x11.rs:68:15
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub const None: i32 = 0;
[INFO] [stdout]    |               ^^^^ help: convert the identifier to upper case: `NONE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "c762529da51a15a2c2a420ef44c080481bf7ece6efc17357b0450e277da20a2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c762529da51a15a2c2a420ef44c080481bf7ece6efc17357b0450e277da20a2d", kill_on_drop: false }`
[INFO] [stdout] c762529da51a15a2c2a420ef44c080481bf7ece6efc17357b0450e277da20a2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4868b7f96d02298a8107d8938b53031c672d305fa7aa347fdf52414db13c12c2
[INFO] running `Command { std: "docker" "start" "-a" "4868b7f96d02298a8107d8938b53031c672d305fa7aa347fdf52414db13c12c2", kill_on_drop: false }`
[INFO] [stdout] warning: unexpected `cfg` condition value: `winrt`
[INFO] [stdout]  --> build.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(target_os="winrt")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `teeos`, `tvos`, `uefi`, `unknown`, `visionos`, `vita`, `vxworks`, `wasi`, `watchos`, `windows` and 2 more
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/lib.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![cfg_attr(feature="cargo-clippy", allow(doc_markdown))]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `dmc_display_backend`
[INFO] [stdout]    --> src/display/mod.rs:146:7
[INFO] [stdout]     |
[INFO] [stdout] 146 | #[cfg(dmc_display_backend="x11")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(dmc_display_backend, values(\"x11\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/display/x11.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `dmc_display_backend`
[INFO] [stdout]    --> src/display/mod.rs:560:11
[INFO] [stdout]     |
[INFO] [stdout] 560 |     #[cfg(dmc_display_backend="x11")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(dmc_display_backend, values(\"x11\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/event/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/display/x11.rs:394:57
[INFO] [stdout]     |
[INFO] [stdout] 394 |             let (mut error_base, mut event_base) = mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/display/x11.rs:402:47
[INFO] [stdout]     |
[INFO] [stdout] 402 |             let (mut major, mut minor) = mem::uninitialized();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/display/x11.rs:546:56
[INFO] [stdout]     |
[INFO] [stdout] 546 |             let mut attrs: x::XWindowAttributes = mem::uninitialized();
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/display/x11.rs:594:57
[INFO] [stdout]     |
[INFO] [stdout] 594 |             let mut title_prop: x::XTextProperty = mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_implicit_prelude]` only has an effect on modules
[INFO] [stdout]   --> src/display/x11.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     #[no_implicit_prelude]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/display/x11.rs:776:9
[INFO] [stdout]     |
[INFO] [stdout] 775 |           let best_fbc: glx::GLXFBConfig = unimplemented!(); // FIXME
[INFO] [stdout]     |                                            ---------------- any code following this expression is unreachable
[INFO] [stdout] 776 | /         let attribs_arb = [
[INFO] [stdout] 777 | |             glx::arb::GLX_CONTEXT_MAJOR_VERSION_ARB, 3,
[INFO] [stdout] 778 | |             glx::arb::GLX_CONTEXT_MINOR_VERSION_ARB, 0,
[INFO] [stdout] 779 | |             glx::arb::GLX_CONTEXT_FLAGS_ARB, 
[INFO] [stdout] ...   |
[INFO] [stdout] 786 | |             xx::None
[INFO] [stdout] 787 | |         ];
[INFO] [stdout]     | |__________^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client_vendor`
[INFO] [stdout]    --> src/display/x11.rs:419:17
[INFO] [stdout]     |
[INFO] [stdout] 419 |             let client_vendor  = glx::glXGetClientString(  x_dpy, xx::GLX_VENDOR);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_vendor`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client_version`
[INFO] [stdout]    --> src/display/x11.rs:420:17
[INFO] [stdout]     |
[INFO] [stdout] 420 |             let client_version = glx::glXGetClientString(  x_dpy, xx::GLX_VERSION);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_vendor`
[INFO] [stdout]    --> src/display/x11.rs:421:17
[INFO] [stdout]     |
[INFO] [stdout] 421 |             let server_vendor  = glx::glXQueryServerString(x_dpy, screen_num, xx::GLX_VENDOR);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_vendor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_version`
[INFO] [stdout]    --> src/display/x11.rs:422:17
[INFO] [stdout]     |
[INFO] [stdout] 422 |             let server_version = glx::glXQueryServerString(x_dpy, screen_num, xx::GLX_VERSION);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resizable`
[INFO] [stdout]    --> src/display/x11.rs:458:23
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stdout]     |                       ^^^^^^^^^ help: try ignoring the field: `resizable: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fully_opaque`
[INFO] [stdout]    --> src/display/x11.rs:458:34
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: try ignoring the field: `fully_opaque: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opengl`
[INFO] [stdout]    --> src/display/x11.rs:458:48
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stdout]     |                                                ^^^^^^ help: try ignoring the field: `opengl: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `allow_high_dpi`
[INFO] [stdout]    --> src/display/x11.rs:458:56
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^ help: try ignoring the field: `allow_high_dpi: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> src/display/x11.rs:762:13
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |             ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `debug`
[INFO] [stdout]    --> src/display/x11.rs:762:22
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |                      ^^^^^ help: try ignoring the field: `debug: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `forward_compatible`
[INFO] [stdout]    --> src/display/x11.rs:762:29
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `forward_compatible: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `profile`
[INFO] [stdout]    --> src/display/x11.rs:762:49
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |                                                 ^^^^^^^ help: try ignoring the field: `profile: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msaa`
[INFO] [stdout]    --> src/display/x11.rs:762:58
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |                                                          ^^^^ help: try ignoring the field: `msaa: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `best_fbc`
[INFO] [stdout]    --> src/display/x11.rs:775:13
[INFO] [stdout]     |
[INFO] [stdout] 775 |         let best_fbc: glx::GLXFBConfig = unimplemented!(); // FIXME
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_best_fbc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/display/mod.rs:830:5
[INFO] [stdout]     |
[INFO] [stdout] 830 |     fn default() -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] ...
[INFO] [stdout] 834 |             .. Default::default()
[INFO] [stdout]     |                ------------------ recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `gen_fbconfig_attribs` is never used
[INFO] [stdout]    --> src/display/x11.rs:690:8
[INFO] [stdout]     |
[INFO] [stdout] 643 | impl Display {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 690 |     fn gen_fbconfig_attribs(settings: &GLContextSettings) -> [c_int; 37] {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GLX_EXTENSIONS` is never used
[INFO] [stdout]   --> src/display/x11.rs:72:15
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub const GLX_EXTENSIONS: i32 = 3;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/display/x11.rs:190:66
[INFO] [stdout]     |
[INFO] [stdout] 190 |                           CString::new(stringify!($atom)).unwrap().as_ptr(), 
[INFO] [stdout]     |                           ---------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout] ...
[INFO] [stdout] 198 | / atoms!(
[INFO] [stdout] 199 | |     WM_PROTOCOLS
[INFO] [stdout] 200 | |     WM_DELETE_WINDOW
[INFO] [stdout] 201 | |     WM_TAKE_FOCUS
[INFO] [stdout] ...   |
[INFO] [stdout] 256 | |     XKLAVIER_STATE
[INFO] [stdout] 257 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `atoms` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dmc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the type `(i32, i32)` does not permit being left uninitialized
[INFO] [stdout]    --> src/display/x11.rs:394:52
[INFO] [stdout]     |
[INFO] [stdout] 394 |             let (mut error_base, mut event_base) = mem::uninitialized();
[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] [stdout] warning: the type `(i32, i32)` does not permit being left uninitialized
[INFO] [stdout]    --> src/display/x11.rs:402:42
[INFO] [stdout]     |
[INFO] [stdout] 402 |             let (mut major, mut minor) = mem::uninitialized();
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `XWindowAttributes` does not permit being left uninitialized
[INFO] [stdout]    --> src/display/x11.rs:546:51
[INFO] [stdout]     |
[INFO] [stdout] 546 |             let mut attrs: x::XWindowAttributes = mem::uninitialized();
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `XTextProperty` does not permit being left uninitialized
[INFO] [stdout]    --> src/display/x11.rs:594:52
[INFO] [stdout]     |
[INFO] [stdout] 594 |             let mut title_prop: x::XTextProperty = mem::uninitialized();
[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: raw pointers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `glXCreateContextAttribsARB` should have a snake case name
[INFO] [stdout]    --> src/display/x11.rs:807:13
[INFO] [stdout]     |
[INFO] [stdout] 807 |         let glXCreateContextAttribsARB = glx.ext.glXCreateContextAttribsARB.unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `gl_xcreate_context_attribs_arb`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `None` should have an upper case name
[INFO] [stdout]   --> src/display/x11.rs:68:15
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub const None: i32 = 0;
[INFO] [stdout]    |               ^^^^ help: convert the identifier to upper case: `NONE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/lib.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![cfg_attr(feature="cargo-clippy", allow(doc_markdown))]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `dmc_display_backend`
[INFO] [stdout]    --> src/display/mod.rs:146:7
[INFO] [stdout]     |
[INFO] [stdout] 146 | #[cfg(dmc_display_backend="x11")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(dmc_display_backend, values(\"x11\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/display/x11.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `dmc_display_backend`
[INFO] [stdout]    --> src/display/mod.rs:560:11
[INFO] [stdout]     |
[INFO] [stdout] 560 |     #[cfg(dmc_display_backend="x11")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(dmc_display_backend, values(\"x11\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/event/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/display/x11.rs:394:57
[INFO] [stdout]     |
[INFO] [stdout] 394 |             let (mut error_base, mut event_base) = mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/display/x11.rs:402:47
[INFO] [stdout]     |
[INFO] [stdout] 402 |             let (mut major, mut minor) = mem::uninitialized();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/display/x11.rs:546:56
[INFO] [stdout]     |
[INFO] [stdout] 546 |             let mut attrs: x::XWindowAttributes = mem::uninitialized();
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/display/x11.rs:594:57
[INFO] [stdout]     |
[INFO] [stdout] 594 |             let mut title_prop: x::XTextProperty = mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_implicit_prelude]` only has an effect on modules
[INFO] [stdout]   --> src/display/x11.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     #[no_implicit_prelude]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/display/x11.rs:776:9
[INFO] [stdout]     |
[INFO] [stdout] 775 |           let best_fbc: glx::GLXFBConfig = unimplemented!(); // FIXME
[INFO] [stdout]     |                                            ---------------- any code following this expression is unreachable
[INFO] [stdout] 776 | /         let attribs_arb = [
[INFO] [stdout] 777 | |             glx::arb::GLX_CONTEXT_MAJOR_VERSION_ARB, 3,
[INFO] [stdout] 778 | |             glx::arb::GLX_CONTEXT_MINOR_VERSION_ARB, 0,
[INFO] [stdout] 779 | |             glx::arb::GLX_CONTEXT_FLAGS_ARB, 
[INFO] [stdout] ...   |
[INFO] [stdout] 786 | |             xx::None
[INFO] [stdout] 787 | |         ];
[INFO] [stdout]     | |__________^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client_vendor`
[INFO] [stdout]    --> src/display/x11.rs:419:17
[INFO] [stdout]     |
[INFO] [stdout] 419 |             let client_vendor  = glx::glXGetClientString(  x_dpy, xx::GLX_VENDOR);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_vendor`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client_version`
[INFO] [stdout]    --> src/display/x11.rs:420:17
[INFO] [stdout]     |
[INFO] [stdout] 420 |             let client_version = glx::glXGetClientString(  x_dpy, xx::GLX_VERSION);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_vendor`
[INFO] [stdout]    --> src/display/x11.rs:421:17
[INFO] [stdout]     |
[INFO] [stdout] 421 |             let server_vendor  = glx::glXQueryServerString(x_dpy, screen_num, xx::GLX_VENDOR);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_vendor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_version`
[INFO] [stdout]    --> src/display/x11.rs:422:17
[INFO] [stdout]     |
[INFO] [stdout] 422 |             let server_version = glx::glXQueryServerString(x_dpy, screen_num, xx::GLX_VERSION);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resizable`
[INFO] [stdout]    --> src/display/x11.rs:458:23
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stdout]     |                       ^^^^^^^^^ help: try ignoring the field: `resizable: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fully_opaque`
[INFO] [stdout]    --> src/display/x11.rs:458:34
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: try ignoring the field: `fully_opaque: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opengl`
[INFO] [stdout]    --> src/display/x11.rs:458:48
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stdout]     |                                                ^^^^^^ help: try ignoring the field: `opengl: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `allow_high_dpi`
[INFO] [stdout]    --> src/display/x11.rs:458:56
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^ help: try ignoring the field: `allow_high_dpi: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> src/display/x11.rs:762:13
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |             ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `debug`
[INFO] [stdout]    --> src/display/x11.rs:762:22
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |                      ^^^^^ help: try ignoring the field: `debug: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `forward_compatible`
[INFO] [stdout]    --> src/display/x11.rs:762:29
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `forward_compatible: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `profile`
[INFO] [stdout]    --> src/display/x11.rs:762:49
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |                                                 ^^^^^^^ help: try ignoring the field: `profile: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msaa`
[INFO] [stdout]    --> src/display/x11.rs:762:58
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |                                                          ^^^^ help: try ignoring the field: `msaa: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `best_fbc`
[INFO] [stdout]    --> src/display/x11.rs:775:13
[INFO] [stdout]     |
[INFO] [stdout] 775 |         let best_fbc: glx::GLXFBConfig = unimplemented!(); // FIXME
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_best_fbc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/display/mod.rs:830:5
[INFO] [stdout]     |
[INFO] [stdout] 830 |     fn default() -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] ...
[INFO] [stdout] 834 |             .. Default::default()
[INFO] [stdout]     |                ------------------ recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `gen_fbconfig_attribs` is never used
[INFO] [stdout]    --> src/display/x11.rs:690:8
[INFO] [stdout]     |
[INFO] [stdout] 643 | impl Display {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 690 |     fn gen_fbconfig_attribs(settings: &GLContextSettings) -> [c_int; 37] {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GLX_EXTENSIONS` is never used
[INFO] [stdout]   --> src/display/x11.rs:72:15
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub const GLX_EXTENSIONS: i32 = 3;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/display/x11.rs:190:66
[INFO] [stdout]     |
[INFO] [stdout] 190 |                           CString::new(stringify!($atom)).unwrap().as_ptr(), 
[INFO] [stdout]     |                           ---------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout] ...
[INFO] [stdout] 198 | / atoms!(
[INFO] [stdout] 199 | |     WM_PROTOCOLS
[INFO] [stdout] 200 | |     WM_DELETE_WINDOW
[INFO] [stdout] 201 | |     WM_TAKE_FOCUS
[INFO] [stdout] ...   |
[INFO] [stdout] 256 | |     XKLAVIER_STATE
[INFO] [stdout] 257 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `atoms` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `(i32, i32)` does not permit being left uninitialized
[INFO] [stdout]    --> src/display/x11.rs:394:52
[INFO] [stdout]     |
[INFO] [stdout] 394 |             let (mut error_base, mut event_base) = mem::uninitialized();
[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] [stdout] warning: the type `(i32, i32)` does not permit being left uninitialized
[INFO] [stdout]    --> src/display/x11.rs:402:42
[INFO] [stdout]     |
[INFO] [stdout] 402 |             let (mut major, mut minor) = mem::uninitialized();
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `XWindowAttributes` does not permit being left uninitialized
[INFO] [stdout]    --> src/display/x11.rs:546:51
[INFO] [stdout]     |
[INFO] [stdout] 546 |             let mut attrs: x::XWindowAttributes = mem::uninitialized();
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `XTextProperty` does not permit being left uninitialized
[INFO] [stdout]    --> src/display/x11.rs:594:52
[INFO] [stdout]     |
[INFO] [stdout] 594 |             let mut title_prop: x::XTextProperty = mem::uninitialized();
[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: raw pointers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `glXCreateContextAttribsARB` should have a snake case name
[INFO] [stdout]    --> src/display/x11.rs:807:13
[INFO] [stdout]     |
[INFO] [stdout] 807 |         let glXCreateContextAttribsARB = glx.ext.glXCreateContextAttribsARB.unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `gl_xcreate_context_attribs_arb`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `None` should have an upper case name
[INFO] [stdout]   --> src/display/x11.rs:68:15
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub const None: i32 = 0;
[INFO] [stdout]    |               ^^^^ help: convert the identifier to upper case: `NONE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "4868b7f96d02298a8107d8938b53031c672d305fa7aa347fdf52414db13c12c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4868b7f96d02298a8107d8938b53031c672d305fa7aa347fdf52414db13c12c2", kill_on_drop: false }`
[INFO] [stdout] 4868b7f96d02298a8107d8938b53031c672d305fa7aa347fdf52414db13c12c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 790699b798e0cd4a8e41305f3a6e55d925075a10ebcf6de44aa66afa644540f8
[INFO] running `Command { std: "docker" "start" "-a" "790699b798e0cd4a8e41305f3a6e55d925075a10ebcf6de44aa66afa644540f8", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition value: `winrt`
[INFO] [stderr]  --> build.rs:7:7
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[cfg(target_os="winrt")]
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `teeos`, `tvos`, `uefi`, `unknown`, `visionos`, `vita`, `vxworks`, `wasi`, `watchos`, `windows` and 2 more
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dmc` (build script) generated 1 warning
[INFO] [stderr] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stderr]   --> src/lib.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 | #![cfg_attr(feature="cargo-clippy", allow(doc_markdown))]
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]    |
[INFO] [stderr]    = note: no expected values for `feature`
[INFO] [stderr]    = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `dmc_display_backend`
[INFO] [stderr]    --> src/display/mod.rs:146:7
[INFO] [stderr]     |
[INFO] [stderr] 146 | #[cfg(dmc_display_backend="x11")]
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stderr]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(dmc_display_backend, values(\"x11\"))");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/display/x11.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `dmc_display_backend`
[INFO] [stderr]    --> src/display/mod.rs:560:11
[INFO] [stderr]     |
[INFO] [stderr] 560 |     #[cfg(dmc_display_backend="x11")]
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(dmc_display_backend, values(\"x11\"))");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]   --> src/event/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::time::Duration;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/display/x11.rs:394:57
[INFO] [stderr]     |
[INFO] [stderr] 394 |             let (mut error_base, mut event_base) = mem::uninitialized();
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/display/x11.rs:402:47
[INFO] [stderr]     |
[INFO] [stderr] 402 |             let (mut major, mut minor) = mem::uninitialized();
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/display/x11.rs:546:56
[INFO] [stderr]     |
[INFO] [stderr] 546 |             let mut attrs: x::XWindowAttributes = mem::uninitialized();
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/display/x11.rs:594:57
[INFO] [stderr]     |
[INFO] [stderr] 594 |             let mut title_prop: x::XTextProperty = mem::uninitialized();
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[no_implicit_prelude]` only has an effect on modules
[INFO] [stderr]   --> src/display/x11.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     #[no_implicit_prelude]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/display/x11.rs:776:9
[INFO] [stderr]     |
[INFO] [stderr] 775 |           let best_fbc: glx::GLXFBConfig = unimplemented!(); // FIXME
[INFO] [stderr]     |                                            ---------------- any code following this expression is unreachable
[INFO] [stderr] 776 | /         let attribs_arb = [
[INFO] [stderr] 777 | |             glx::arb::GLX_CONTEXT_MAJOR_VERSION_ARB, 3,
[INFO] [stderr] 778 | |             glx::arb::GLX_CONTEXT_MINOR_VERSION_ARB, 0,
[INFO] [stderr] 779 | |             glx::arb::GLX_CONTEXT_FLAGS_ARB, 
[INFO] [stderr] ...   |
[INFO] [stderr] 786 | |             xx::None
[INFO] [stderr] 787 | |         ];
[INFO] [stderr]     | |__________^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `client_vendor`
[INFO] [stderr]    --> src/display/x11.rs:419:17
[INFO] [stderr]     |
[INFO] [stderr] 419 |             let client_vendor  = glx::glXGetClientString(  x_dpy, xx::GLX_VENDOR);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_vendor`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `client_version`
[INFO] [stderr]    --> src/display/x11.rs:420:17
[INFO] [stderr]     |
[INFO] [stderr] 420 |             let client_version = glx::glXGetClientString(  x_dpy, xx::GLX_VERSION);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_version`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `server_vendor`
[INFO] [stderr]    --> src/display/x11.rs:421:17
[INFO] [stderr]     |
[INFO] [stderr] 421 |             let server_vendor  = glx::glXQueryServerString(x_dpy, screen_num, xx::GLX_VENDOR);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_vendor`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `server_version`
[INFO] [stderr]    --> src/display/x11.rs:422:17
[INFO] [stderr]     |
[INFO] [stderr] 422 |             let server_version = glx::glXQueryServerString(x_dpy, screen_num, xx::GLX_VERSION);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_version`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `resizable`
[INFO] [stderr]    --> src/display/x11.rs:458:23
[INFO] [stderr]     |
[INFO] [stderr] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stderr]     |                       ^^^^^^^^^ help: try ignoring the field: `resizable: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fully_opaque`
[INFO] [stderr]    --> src/display/x11.rs:458:34
[INFO] [stderr]     |
[INFO] [stderr] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stderr]     |                                  ^^^^^^^^^^^^ help: try ignoring the field: `fully_opaque: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opengl`
[INFO] [stderr]    --> src/display/x11.rs:458:48
[INFO] [stderr]     |
[INFO] [stderr] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stderr]     |                                                ^^^^^^ help: try ignoring the field: `opengl: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `allow_high_dpi`
[INFO] [stderr]    --> src/display/x11.rs:458:56
[INFO] [stderr]     |
[INFO] [stderr] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^ help: try ignoring the field: `allow_high_dpi: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `version`
[INFO] [stderr]    --> src/display/x11.rs:762:13
[INFO] [stderr]     |
[INFO] [stderr] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stderr]     |             ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `debug`
[INFO] [stderr]    --> src/display/x11.rs:762:22
[INFO] [stderr]     |
[INFO] [stderr] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stderr]     |                      ^^^^^ help: try ignoring the field: `debug: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `forward_compatible`
[INFO] [stderr]    --> src/display/x11.rs:762:29
[INFO] [stderr]     |
[INFO] [stderr] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `forward_compatible: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `profile`
[INFO] [stderr]    --> src/display/x11.rs:762:49
[INFO] [stderr]     |
[INFO] [stderr] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stderr]     |                                                 ^^^^^^^ help: try ignoring the field: `profile: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msaa`
[INFO] [stderr]    --> src/display/x11.rs:762:58
[INFO] [stderr]     |
[INFO] [stderr] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stderr]     |                                                          ^^^^ help: try ignoring the field: `msaa: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `best_fbc`
[INFO] [stderr]    --> src/display/x11.rs:775:13
[INFO] [stderr]     |
[INFO] [stderr] 775 |         let best_fbc: glx::GLXFBConfig = unimplemented!(); // FIXME
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_best_fbc`
[INFO] [stderr] 
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]    --> src/display/mod.rs:830:5
[INFO] [stderr]     |
[INFO] [stderr] 830 |     fn default() -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] ...
[INFO] [stderr] 834 |             .. Default::default()
[INFO] [stderr]     |                ------------------ recursive call site
[INFO] [stderr]     |
[INFO] [stderr]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `gen_fbconfig_attribs` is never used
[INFO] [stderr]    --> src/display/x11.rs:690:8
[INFO] [stderr]     |
[INFO] [stderr] 643 | impl Display {
[INFO] [stderr]     | ------------ associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 690 |     fn gen_fbconfig_attribs(settings: &GLContextSettings) -> [c_int; 37] {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `GLX_EXTENSIONS` is never used
[INFO] [stderr]   --> src/display/x11.rs:72:15
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub const GLX_EXTENSIONS: i32 = 3;
[INFO] [stderr]    |               ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: getting the inner pointer of a temporary `CString`
[INFO] [stderr]    --> src/display/x11.rs:190:66
[INFO] [stderr]     |
[INFO] [stderr] 190 |                           CString::new(stringify!($atom)).unwrap().as_ptr(), 
[INFO] [stderr]     |                           ---------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stderr] ...
[INFO] [stderr] 198 | / atoms!(
[INFO] [stderr] 199 | |     WM_PROTOCOLS
[INFO] [stderr] 200 | |     WM_DELETE_WINDOW
[INFO] [stderr] 201 | |     WM_TAKE_FOCUS
[INFO] [stderr] ...   |
[INFO] [stderr] 256 | |     XKLAVIER_STATE
[INFO] [stderr] 257 | | );
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stderr]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stderr]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `atoms` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: the type `(i32, i32)` does not permit being left uninitialized
[INFO] [stderr]    --> src/display/x11.rs:394:52
[INFO] [stderr]     |
[INFO] [stderr] 394 |             let (mut error_base, mut event_base) = mem::uninitialized();
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                                    |
[INFO] [stderr]     |                                                    this code causes undefined behavior when executed
[INFO] [stderr]     |                                                    help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr]     = note: integers must be initialized
[INFO] [stderr]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the type `(i32, i32)` does not permit being left uninitialized
[INFO] [stderr]    --> src/display/x11.rs:402:42
[INFO] [stderr]     |
[INFO] [stderr] 402 |             let (mut major, mut minor) = mem::uninitialized();
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                          |
[INFO] [stderr]     |                                          this code causes undefined behavior when executed
[INFO] [stderr]     |                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr]     = note: integers must be initialized
[INFO] [stderr] 
[INFO] [stderr] warning: the type `XWindowAttributes` does not permit being left uninitialized
[INFO] [stderr]    --> src/display/x11.rs:546:51
[INFO] [stderr]     |
[INFO] [stderr] 546 |             let mut attrs: x::XWindowAttributes = mem::uninitialized();
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                                   |
[INFO] [stderr]     |                                                   this code causes undefined behavior when executed
[INFO] [stderr]     |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr]     = note: integers must be initialized
[INFO] [stderr] 
[INFO] [stderr] warning: the type `XTextProperty` does not permit being left uninitialized
[INFO] [stderr]    --> src/display/x11.rs:594:52
[INFO] [stderr]     |
[INFO] [stderr] 594 |             let mut title_prop: x::XTextProperty = mem::uninitialized();
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                                    |
[INFO] [stderr]     |                                                    this code causes undefined behavior when executed
[INFO] [stderr]     |                                                    help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr]     = note: raw pointers must be initialized
[INFO] [stderr] 
[INFO] [stderr] warning: variable `glXCreateContextAttribsARB` should have a snake case name
[INFO] [stderr]    --> src/display/x11.rs:807:13
[INFO] [stderr]     |
[INFO] [stderr] 807 |         let glXCreateContextAttribsARB = glx.ext.glXCreateContextAttribsARB.unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `gl_xcreate_context_attribs_arb`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `None` should have an upper case name
[INFO] [stderr]   --> src/display/x11.rs:68:15
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub const None: i32 = 0;
[INFO] [stderr]    |               ^^^^ help: convert the identifier to upper case: `NONE`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dmc` (lib) generated 35 warnings (run `cargo fix --lib -p dmc` to apply 2 suggestions)
[INFO] [stderr] warning: `dmc` (lib test) generated 35 warnings (35 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dmc-b33bef1c24311525)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test semver::test_semver_cmp ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dmc
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/display/mod.rs - display (line 98) - compile ... ok
[INFO] [stdout] test src/display/mod.rs - display (line 84) - compile ... ok
[INFO] [stdout] test src/display/mod.rs - display (line 69) - compile ... ok
[INFO] [stdout] test src/display/mod.rs - display (line 47) - compile ... ok
[INFO] [stdout] test src/display/mod.rs - display (line 114) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/display/mod.rs - display (line 114) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: unresolved import
[INFO] [stdout]   --> src/display/mod.rs:123:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use display::GLSwapInterval::*;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     unresolved import
[INFO] [stdout]    |     help: a similar path exists: `dmc::display`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `LateSwapTearing` in this scope
[INFO] [stdout]   --> src/display/mod.rs:125:28
[INFO] [stdout]    |
[INFO] [stdout] 14 | if swap_chain.set_interval(LateSwapTearing).is_err() {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]    |
[INFO] [stdout] 2  + use dmc::display::GLSwapInterval::LateSwapTearing;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `VSync` in this scope
[INFO] [stdout]   --> src/display/mod.rs:126:32
[INFO] [stdout]    |
[INFO] [stdout] 15 |     if swap_chain.set_interval(VSync).is_err() {
[INFO] [stdout]    |                                ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]    |
[INFO] [stdout] 2  + use dmc::display::GLSwapInterval::VSync;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `LimitFps` in this scope
[INFO] [stdout]   --> src/display/mod.rs:127:41
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let _ = swap_chain.set_interval(LimitFps(60));
[INFO] [stdout]    |                                         ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]    |
[INFO] [stdout] 2  + use dmc::display::GLSwapInterval::LimitFps;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: unused label
[INFO] [stdout]   --> src/display/mod.rs:131:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | 'main_event_loop: loop {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/display/mod.rs:112:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_labels)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/display/mod.rs - display (line 114)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "790699b798e0cd4a8e41305f3a6e55d925075a10ebcf6de44aa66afa644540f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "790699b798e0cd4a8e41305f3a6e55d925075a10ebcf6de44aa66afa644540f8", kill_on_drop: false }`
[INFO] [stdout] 790699b798e0cd4a8e41305f3a6e55d925075a10ebcf6de44aa66afa644540f8
[INFO] testing dmc-0.1.0 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate dmc 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate dmc 0.1.0 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dmc 0.1.0
[INFO] finished tweaking crates.io crate dmc 0.1.0
[INFO] tweaked toml for crates.io crate dmc 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.19)
[INFO] [stderr]       Adding uuid v0.5.1 (latest: v1.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 057c50e276a9ffd9ec70cddecbafedf144455c86629b5f75d86f20f32566c85f
[INFO] running `Command { std: "docker" "start" "-a" "057c50e276a9ffd9ec70cddecbafedf144455c86629b5f75d86f20f32566c85f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "057c50e276a9ffd9ec70cddecbafedf144455c86629b5f75d86f20f32566c85f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "057c50e276a9ffd9ec70cddecbafedf144455c86629b5f75d86f20f32566c85f", kill_on_drop: false }`
[INFO] [stdout] 057c50e276a9ffd9ec70cddecbafedf144455c86629b5f75d86f20f32566c85f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c69ea09496a0672937d0583978c93b90eb14f60e8acb6e6afbc1e72eaa97e0e6
[INFO] running `Command { std: "docker" "start" "-a" "c69ea09496a0672937d0583978c93b90eb14f60e8acb6e6afbc1e72eaa97e0e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling dmc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stdout] warning: unexpected `cfg` condition value: `winrt`
[INFO] [stdout]  --> build.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(target_os="winrt")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `teeos`, `tvos`, `uefi`, `unknown`, `visionos`, `vita`, `vxworks`, `wasi`, `watchos`, `windows` and 2 more
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling x11 v2.21.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/lib.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![cfg_attr(feature="cargo-clippy", allow(doc_markdown))]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `dmc_display_backend`
[INFO] [stdout]    --> src/display/mod.rs:146:7
[INFO] [stdout]     |
[INFO] [stdout] 146 | #[cfg(dmc_display_backend="x11")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(dmc_display_backend, values(\"x11\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/display/x11.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `dmc_display_backend`
[INFO] [stdout]    --> src/display/mod.rs:560:11
[INFO] [stdout]     |
[INFO] [stdout] 560 |     #[cfg(dmc_display_backend="x11")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(dmc_display_backend, values(\"x11\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/event/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/display/x11.rs:394:57
[INFO] [stdout]     |
[INFO] [stdout] 394 |             let (mut error_base, mut event_base) = mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/display/x11.rs:402:47
[INFO] [stdout]     |
[INFO] [stdout] 402 |             let (mut major, mut minor) = mem::uninitialized();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/display/x11.rs:546:56
[INFO] [stdout]     |
[INFO] [stdout] 546 |             let mut attrs: x::XWindowAttributes = mem::uninitialized();
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/display/x11.rs:594:57
[INFO] [stdout]     |
[INFO] [stdout] 594 |             let mut title_prop: x::XTextProperty = mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_implicit_prelude]` only has an effect on modules
[INFO] [stdout]   --> src/display/x11.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     #[no_implicit_prelude]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/display/x11.rs:776:9
[INFO] [stdout]     |
[INFO] [stdout] 775 |           let best_fbc: glx::GLXFBConfig = unimplemented!(); // FIXME
[INFO] [stdout]     |                                            ---------------- any code following this expression is unreachable
[INFO] [stdout] 776 | /         let attribs_arb = [
[INFO] [stdout] 777 | |             glx::arb::GLX_CONTEXT_MAJOR_VERSION_ARB, 3,
[INFO] [stdout] 778 | |             glx::arb::GLX_CONTEXT_MINOR_VERSION_ARB, 0,
[INFO] [stdout] 779 | |             glx::arb::GLX_CONTEXT_FLAGS_ARB, 
[INFO] [stdout] ...   |
[INFO] [stdout] 786 | |             xx::None
[INFO] [stdout] 787 | |         ];
[INFO] [stdout]     | |__________^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client_vendor`
[INFO] [stdout]    --> src/display/x11.rs:419:17
[INFO] [stdout]     |
[INFO] [stdout] 419 |             let client_vendor  = glx::glXGetClientString(  x_dpy, xx::GLX_VENDOR);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_vendor`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client_version`
[INFO] [stdout]    --> src/display/x11.rs:420:17
[INFO] [stdout]     |
[INFO] [stdout] 420 |             let client_version = glx::glXGetClientString(  x_dpy, xx::GLX_VERSION);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_vendor`
[INFO] [stdout]    --> src/display/x11.rs:421:17
[INFO] [stdout]     |
[INFO] [stdout] 421 |             let server_vendor  = glx::glXQueryServerString(x_dpy, screen_num, xx::GLX_VENDOR);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_vendor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_version`
[INFO] [stdout]    --> src/display/x11.rs:422:17
[INFO] [stdout]     |
[INFO] [stdout] 422 |             let server_version = glx::glXQueryServerString(x_dpy, screen_num, xx::GLX_VERSION);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resizable`
[INFO] [stdout]    --> src/display/x11.rs:458:23
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stdout]     |                       ^^^^^^^^^ help: try ignoring the field: `resizable: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fully_opaque`
[INFO] [stdout]    --> src/display/x11.rs:458:34
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: try ignoring the field: `fully_opaque: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opengl`
[INFO] [stdout]    --> src/display/x11.rs:458:48
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stdout]     |                                                ^^^^^^ help: try ignoring the field: `opengl: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `allow_high_dpi`
[INFO] [stdout]    --> src/display/x11.rs:458:56
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^ help: try ignoring the field: `allow_high_dpi: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> src/display/x11.rs:762:13
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |             ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `debug`
[INFO] [stdout]    --> src/display/x11.rs:762:22
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |                      ^^^^^ help: try ignoring the field: `debug: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `forward_compatible`
[INFO] [stdout]    --> src/display/x11.rs:762:29
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `forward_compatible: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `profile`
[INFO] [stdout]    --> src/display/x11.rs:762:49
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |                                                 ^^^^^^^ help: try ignoring the field: `profile: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msaa`
[INFO] [stdout]    --> src/display/x11.rs:762:58
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |                                                          ^^^^ help: try ignoring the field: `msaa: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `best_fbc`
[INFO] [stdout]    --> src/display/x11.rs:775:13
[INFO] [stdout]     |
[INFO] [stdout] 775 |         let best_fbc: glx::GLXFBConfig = unimplemented!(); // FIXME
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_best_fbc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/display/mod.rs:830:5
[INFO] [stdout]     |
[INFO] [stdout] 830 |     fn default() -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] ...
[INFO] [stdout] 834 |             .. Default::default()
[INFO] [stdout]     |                ------------------ recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `gen_fbconfig_attribs` is never used
[INFO] [stdout]    --> src/display/x11.rs:690:8
[INFO] [stdout]     |
[INFO] [stdout] 643 | impl Display {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 690 |     fn gen_fbconfig_attribs(settings: &GLContextSettings) -> [c_int; 37] {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GLX_EXTENSIONS` is never used
[INFO] [stdout]   --> src/display/x11.rs:72:15
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub const GLX_EXTENSIONS: i32 = 3;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/display/x11.rs:190:66
[INFO] [stdout]     |
[INFO] [stdout] 190 |                           CString::new(stringify!($atom)).unwrap().as_ptr(), 
[INFO] [stdout]     |                           ---------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout] ...
[INFO] [stdout] 198 | / atoms!(
[INFO] [stdout] 199 | |     WM_PROTOCOLS
[INFO] [stdout] 200 | |     WM_DELETE_WINDOW
[INFO] [stdout] 201 | |     WM_TAKE_FOCUS
[INFO] [stdout] ...   |
[INFO] [stdout] 256 | |     XKLAVIER_STATE
[INFO] [stdout] 257 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `atoms` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `(i32, i32)` does not permit being left uninitialized
[INFO] [stdout]    --> src/display/x11.rs:394:52
[INFO] [stdout]     |
[INFO] [stdout] 394 |             let (mut error_base, mut event_base) = mem::uninitialized();
[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] [stdout] warning: the type `(i32, i32)` does not permit being left uninitialized
[INFO] [stdout]    --> src/display/x11.rs:402:42
[INFO] [stdout]     |
[INFO] [stdout] 402 |             let (mut major, mut minor) = mem::uninitialized();
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `XWindowAttributes` does not permit being left uninitialized
[INFO] [stdout]    --> src/display/x11.rs:546:51
[INFO] [stdout]     |
[INFO] [stdout] 546 |             let mut attrs: x::XWindowAttributes = mem::uninitialized();
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `XTextProperty` does not permit being left uninitialized
[INFO] [stdout]    --> src/display/x11.rs:594:52
[INFO] [stdout]     |
[INFO] [stdout] 594 |             let mut title_prop: x::XTextProperty = mem::uninitialized();
[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: raw pointers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `glXCreateContextAttribsARB` should have a snake case name
[INFO] [stdout]    --> src/display/x11.rs:807:13
[INFO] [stdout]     |
[INFO] [stdout] 807 |         let glXCreateContextAttribsARB = glx.ext.glXCreateContextAttribsARB.unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `gl_xcreate_context_attribs_arb`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `None` should have an upper case name
[INFO] [stdout]   --> src/display/x11.rs:68:15
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub const None: i32 = 0;
[INFO] [stdout]    |               ^^^^ help: convert the identifier to upper case: `NONE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `Command { std: "docker" "inspect" "c69ea09496a0672937d0583978c93b90eb14f60e8acb6e6afbc1e72eaa97e0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c69ea09496a0672937d0583978c93b90eb14f60e8acb6e6afbc1e72eaa97e0e6", kill_on_drop: false }`
[INFO] [stdout] c69ea09496a0672937d0583978c93b90eb14f60e8acb6e6afbc1e72eaa97e0e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9989258fcdd241bc8d37f095b44aa246ab0ffd99e1fd3a6c95ef6a02a9db1e6d
[INFO] running `Command { std: "docker" "start" "-a" "9989258fcdd241bc8d37f095b44aa246ab0ffd99e1fd3a6c95ef6a02a9db1e6d", kill_on_drop: false }`
[INFO] [stdout] warning: unexpected `cfg` condition value: `winrt`
[INFO] [stdout]  --> build.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(target_os="winrt")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `teeos`, `tvos`, `uefi`, `unknown`, `visionos`, `vita`, `vxworks`, `wasi`, `watchos`, `windows` and 2 more
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/lib.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![cfg_attr(feature="cargo-clippy", allow(doc_markdown))]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `dmc_display_backend`
[INFO] [stdout]    --> src/display/mod.rs:146:7
[INFO] [stdout]     |
[INFO] [stdout] 146 | #[cfg(dmc_display_backend="x11")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(dmc_display_backend, values(\"x11\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/display/x11.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `dmc_display_backend`
[INFO] [stdout]    --> src/display/mod.rs:560:11
[INFO] [stdout]     |
[INFO] [stdout] 560 |     #[cfg(dmc_display_backend="x11")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(dmc_display_backend, values(\"x11\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/event/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/display/x11.rs:394:57
[INFO] [stdout]     |
[INFO] [stdout] 394 |             let (mut error_base, mut event_base) = mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/display/x11.rs:402:47
[INFO] [stdout]     |
[INFO] [stdout] 402 |             let (mut major, mut minor) = mem::uninitialized();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/display/x11.rs:546:56
[INFO] [stdout]     |
[INFO] [stdout] 546 |             let mut attrs: x::XWindowAttributes = mem::uninitialized();
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/display/x11.rs:594:57
[INFO] [stdout]     |
[INFO] [stdout] 594 |             let mut title_prop: x::XTextProperty = mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_implicit_prelude]` only has an effect on modules
[INFO] [stdout]   --> src/display/x11.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     #[no_implicit_prelude]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/display/x11.rs:776:9
[INFO] [stdout]     |
[INFO] [stdout] 775 |           let best_fbc: glx::GLXFBConfig = unimplemented!(); // FIXME
[INFO] [stdout]     |                                            ---------------- any code following this expression is unreachable
[INFO] [stdout] 776 | /         let attribs_arb = [
[INFO] [stdout] 777 | |             glx::arb::GLX_CONTEXT_MAJOR_VERSION_ARB, 3,
[INFO] [stdout] 778 | |             glx::arb::GLX_CONTEXT_MINOR_VERSION_ARB, 0,
[INFO] [stdout] 779 | |             glx::arb::GLX_CONTEXT_FLAGS_ARB, 
[INFO] [stdout] ...   |
[INFO] [stdout] 786 | |             xx::None
[INFO] [stdout] 787 | |         ];
[INFO] [stdout]     | |__________^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client_vendor`
[INFO] [stdout]    --> src/display/x11.rs:419:17
[INFO] [stdout]     |
[INFO] [stdout] 419 |             let client_vendor  = glx::glXGetClientString(  x_dpy, xx::GLX_VENDOR);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_vendor`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client_version`
[INFO] [stdout]    --> src/display/x11.rs:420:17
[INFO] [stdout]     |
[INFO] [stdout] 420 |             let client_version = glx::glXGetClientString(  x_dpy, xx::GLX_VERSION);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_vendor`
[INFO] [stdout]    --> src/display/x11.rs:421:17
[INFO] [stdout]     |
[INFO] [stdout] 421 |             let server_vendor  = glx::glXQueryServerString(x_dpy, screen_num, xx::GLX_VENDOR);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_vendor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_version`
[INFO] [stdout]    --> src/display/x11.rs:422:17
[INFO] [stdout]     |
[INFO] [stdout] 422 |             let server_version = glx::glXQueryServerString(x_dpy, screen_num, xx::GLX_VERSION);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resizable`
[INFO] [stdout]    --> src/display/x11.rs:458:23
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stdout]     |                       ^^^^^^^^^ help: try ignoring the field: `resizable: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fully_opaque`
[INFO] [stdout]    --> src/display/x11.rs:458:34
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: try ignoring the field: `fully_opaque: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opengl`
[INFO] [stdout]    --> src/display/x11.rs:458:48
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stdout]     |                                                ^^^^^^ help: try ignoring the field: `opengl: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `allow_high_dpi`
[INFO] [stdout]    --> src/display/x11.rs:458:56
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^ help: try ignoring the field: `allow_high_dpi: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> src/display/x11.rs:762:13
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |             ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `debug`
[INFO] [stdout]    --> src/display/x11.rs:762:22
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |                      ^^^^^ help: try ignoring the field: `debug: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `forward_compatible`
[INFO] [stdout]    --> src/display/x11.rs:762:29
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `forward_compatible: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `profile`
[INFO] [stdout]    --> src/display/x11.rs:762:49
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |                                                 ^^^^^^^ help: try ignoring the field: `profile: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msaa`
[INFO] [stdout]    --> src/display/x11.rs:762:58
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |                                                          ^^^^ help: try ignoring the field: `msaa: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `best_fbc`
[INFO] [stdout]    --> src/display/x11.rs:775:13
[INFO] [stdout]     |
[INFO] [stdout] 775 |         let best_fbc: glx::GLXFBConfig = unimplemented!(); // FIXME
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_best_fbc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/display/mod.rs:830:5
[INFO] [stdout]     |
[INFO] [stdout] 830 |     fn default() -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] ...
[INFO] [stdout] 834 |             .. Default::default()
[INFO] [stdout]     |                ------------------ recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `gen_fbconfig_attribs` is never used
[INFO] [stdout]    --> src/display/x11.rs:690:8
[INFO] [stdout]     |
[INFO] [stdout] 643 | impl Display {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 690 |     fn gen_fbconfig_attribs(settings: &GLContextSettings) -> [c_int; 37] {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GLX_EXTENSIONS` is never used
[INFO] [stdout]   --> src/display/x11.rs:72:15
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub const GLX_EXTENSIONS: i32 = 3;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/display/x11.rs:190:66
[INFO] [stdout]     |
[INFO] [stdout] 190 |                           CString::new(stringify!($atom)).unwrap().as_ptr(), 
[INFO] [stdout]     |                           ---------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout] ...
[INFO] [stdout] 198 | / atoms!(
[INFO] [stdout] 199 | |     WM_PROTOCOLS
[INFO] [stdout] 200 | |     WM_DELETE_WINDOW
[INFO] [stdout] 201 | |     WM_TAKE_FOCUS
[INFO] [stdout] ...   |
[INFO] [stdout] 256 | |     XKLAVIER_STATE
[INFO] [stdout] 257 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `atoms` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `(i32, i32)` does not permit being left uninitialized
[INFO] [stdout]    --> src/display/x11.rs:394:52
[INFO] [stdout]     |
[INFO] [stdout] 394 |             let (mut error_base, mut event_base) = mem::uninitialized();
[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] [stdout] warning: the type `(i32, i32)` does not permit being left uninitialized
[INFO] [stdout]    --> src/display/x11.rs:402:42
[INFO] [stdout]     |
[INFO] [stdout] 402 |             let (mut major, mut minor) = mem::uninitialized();
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `XWindowAttributes` does not permit being left uninitialized
[INFO] [stdout]    --> src/display/x11.rs:546:51
[INFO] [stdout]     |
[INFO] [stdout] 546 |             let mut attrs: x::XWindowAttributes = mem::uninitialized();
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `XTextProperty` does not permit being left uninitialized
[INFO] [stdout]    --> src/display/x11.rs:594:52
[INFO] [stdout]     |
[INFO] [stdout] 594 |             let mut title_prop: x::XTextProperty = mem::uninitialized();
[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: raw pointers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `glXCreateContextAttribsARB` should have a snake case name
[INFO] [stdout]    --> src/display/x11.rs:807:13
[INFO] [stdout]     |
[INFO] [stdout] 807 |         let glXCreateContextAttribsARB = glx.ext.glXCreateContextAttribsARB.unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `gl_xcreate_context_attribs_arb`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `None` should have an upper case name
[INFO] [stdout]   --> src/display/x11.rs:68:15
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub const None: i32 = 0;
[INFO] [stdout]    |               ^^^^ help: convert the identifier to upper case: `NONE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dmc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/lib.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![cfg_attr(feature="cargo-clippy", allow(doc_markdown))]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `dmc_display_backend`
[INFO] [stdout]    --> src/display/mod.rs:146:7
[INFO] [stdout]     |
[INFO] [stdout] 146 | #[cfg(dmc_display_backend="x11")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(dmc_display_backend, values(\"x11\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/display/x11.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `dmc_display_backend`
[INFO] [stdout]    --> src/display/mod.rs:560:11
[INFO] [stdout]     |
[INFO] [stdout] 560 |     #[cfg(dmc_display_backend="x11")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(dmc_display_backend, values(\"x11\"))");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/event/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/display/x11.rs:394:57
[INFO] [stdout]     |
[INFO] [stdout] 394 |             let (mut error_base, mut event_base) = mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/display/x11.rs:402:47
[INFO] [stdout]     |
[INFO] [stdout] 402 |             let (mut major, mut minor) = mem::uninitialized();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/display/x11.rs:546:56
[INFO] [stdout]     |
[INFO] [stdout] 546 |             let mut attrs: x::XWindowAttributes = mem::uninitialized();
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/display/x11.rs:594:57
[INFO] [stdout]     |
[INFO] [stdout] 594 |             let mut title_prop: x::XTextProperty = mem::uninitialized();
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_implicit_prelude]` only has an effect on modules
[INFO] [stdout]   --> src/display/x11.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     #[no_implicit_prelude]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/display/x11.rs:776:9
[INFO] [stdout]     |
[INFO] [stdout] 775 |           let best_fbc: glx::GLXFBConfig = unimplemented!(); // FIXME
[INFO] [stdout]     |                                            ---------------- any code following this expression is unreachable
[INFO] [stdout] 776 | /         let attribs_arb = [
[INFO] [stdout] 777 | |             glx::arb::GLX_CONTEXT_MAJOR_VERSION_ARB, 3,
[INFO] [stdout] 778 | |             glx::arb::GLX_CONTEXT_MINOR_VERSION_ARB, 0,
[INFO] [stdout] 779 | |             glx::arb::GLX_CONTEXT_FLAGS_ARB, 
[INFO] [stdout] ...   |
[INFO] [stdout] 786 | |             xx::None
[INFO] [stdout] 787 | |         ];
[INFO] [stdout]     | |__________^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client_vendor`
[INFO] [stdout]    --> src/display/x11.rs:419:17
[INFO] [stdout]     |
[INFO] [stdout] 419 |             let client_vendor  = glx::glXGetClientString(  x_dpy, xx::GLX_VENDOR);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_vendor`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client_version`
[INFO] [stdout]    --> src/display/x11.rs:420:17
[INFO] [stdout]     |
[INFO] [stdout] 420 |             let client_version = glx::glXGetClientString(  x_dpy, xx::GLX_VERSION);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_vendor`
[INFO] [stdout]    --> src/display/x11.rs:421:17
[INFO] [stdout]     |
[INFO] [stdout] 421 |             let server_vendor  = glx::glXQueryServerString(x_dpy, screen_num, xx::GLX_VENDOR);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_vendor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_version`
[INFO] [stdout]    --> src/display/x11.rs:422:17
[INFO] [stdout]     |
[INFO] [stdout] 422 |             let server_version = glx::glXQueryServerString(x_dpy, screen_num, xx::GLX_VERSION);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resizable`
[INFO] [stdout]    --> src/display/x11.rs:458:23
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stdout]     |                       ^^^^^^^^^ help: try ignoring the field: `resizable: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fully_opaque`
[INFO] [stdout]    --> src/display/x11.rs:458:34
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: try ignoring the field: `fully_opaque: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opengl`
[INFO] [stdout]    --> src/display/x11.rs:458:48
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stdout]     |                                                ^^^^^^ help: try ignoring the field: `opengl: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `allow_high_dpi`
[INFO] [stdout]    --> src/display/x11.rs:458:56
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^ help: try ignoring the field: `allow_high_dpi: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> src/display/x11.rs:762:13
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |             ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `debug`
[INFO] [stdout]    --> src/display/x11.rs:762:22
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |                      ^^^^^ help: try ignoring the field: `debug: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `forward_compatible`
[INFO] [stdout]    --> src/display/x11.rs:762:29
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `forward_compatible: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `profile`
[INFO] [stdout]    --> src/display/x11.rs:762:49
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |                                                 ^^^^^^^ help: try ignoring the field: `profile: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msaa`
[INFO] [stdout]    --> src/display/x11.rs:762:58
[INFO] [stdout]     |
[INFO] [stdout] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stdout]     |                                                          ^^^^ help: try ignoring the field: `msaa: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `best_fbc`
[INFO] [stdout]    --> src/display/x11.rs:775:13
[INFO] [stdout]     |
[INFO] [stdout] 775 |         let best_fbc: glx::GLXFBConfig = unimplemented!(); // FIXME
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_best_fbc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/display/mod.rs:830:5
[INFO] [stdout]     |
[INFO] [stdout] 830 |     fn default() -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] ...
[INFO] [stdout] 834 |             .. Default::default()
[INFO] [stdout]     |                ------------------ recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `gen_fbconfig_attribs` is never used
[INFO] [stdout]    --> src/display/x11.rs:690:8
[INFO] [stdout]     |
[INFO] [stdout] 643 | impl Display {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 690 |     fn gen_fbconfig_attribs(settings: &GLContextSettings) -> [c_int; 37] {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GLX_EXTENSIONS` is never used
[INFO] [stdout]   --> src/display/x11.rs:72:15
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub const GLX_EXTENSIONS: i32 = 3;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/display/x11.rs:190:66
[INFO] [stdout]     |
[INFO] [stdout] 190 |                           CString::new(stringify!($atom)).unwrap().as_ptr(), 
[INFO] [stdout]     |                           ---------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout] ...
[INFO] [stdout] 198 | / atoms!(
[INFO] [stdout] 199 | |     WM_PROTOCOLS
[INFO] [stdout] 200 | |     WM_DELETE_WINDOW
[INFO] [stdout] 201 | |     WM_TAKE_FOCUS
[INFO] [stdout] ...   |
[INFO] [stdout] 256 | |     XKLAVIER_STATE
[INFO] [stdout] 257 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `atoms` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `(i32, i32)` does not permit being left uninitialized
[INFO] [stdout]    --> src/display/x11.rs:394:52
[INFO] [stdout]     |
[INFO] [stdout] 394 |             let (mut error_base, mut event_base) = mem::uninitialized();
[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] [stdout] warning: the type `(i32, i32)` does not permit being left uninitialized
[INFO] [stdout]    --> src/display/x11.rs:402:42
[INFO] [stdout]     |
[INFO] [stdout] 402 |             let (mut major, mut minor) = mem::uninitialized();
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `XWindowAttributes` does not permit being left uninitialized
[INFO] [stdout]    --> src/display/x11.rs:546:51
[INFO] [stdout]     |
[INFO] [stdout] 546 |             let mut attrs: x::XWindowAttributes = mem::uninitialized();
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `XTextProperty` does not permit being left uninitialized
[INFO] [stdout]    --> src/display/x11.rs:594:52
[INFO] [stdout]     |
[INFO] [stdout] 594 |             let mut title_prop: x::XTextProperty = mem::uninitialized();
[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: raw pointers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `glXCreateContextAttribsARB` should have a snake case name
[INFO] [stdout]    --> src/display/x11.rs:807:13
[INFO] [stdout]     |
[INFO] [stdout] 807 |         let glXCreateContextAttribsARB = glx.ext.glXCreateContextAttribsARB.unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `gl_xcreate_context_attribs_arb`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `None` should have an upper case name
[INFO] [stdout]   --> src/display/x11.rs:68:15
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub const None: i32 = 0;
[INFO] [stdout]    |               ^^^^ help: convert the identifier to upper case: `NONE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "9989258fcdd241bc8d37f095b44aa246ab0ffd99e1fd3a6c95ef6a02a9db1e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9989258fcdd241bc8d37f095b44aa246ab0ffd99e1fd3a6c95ef6a02a9db1e6d", kill_on_drop: false }`
[INFO] [stdout] 9989258fcdd241bc8d37f095b44aa246ab0ffd99e1fd3a6c95ef6a02a9db1e6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0ba322ae575444d8e3a26e1018d2aef7150756cbd787a949db1aaab7fac5cb95
[INFO] running `Command { std: "docker" "start" "-a" "0ba322ae575444d8e3a26e1018d2aef7150756cbd787a949db1aaab7fac5cb95", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition value: `winrt`
[INFO] [stderr]  --> build.rs:7:7
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[cfg(target_os="winrt")]
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `teeos`, `tvos`, `uefi`, `unknown`, `visionos`, `vita`, `vxworks`, `wasi`, `watchos`, `windows` and 2 more
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dmc` (build script) generated 1 warning
[INFO] [stderr] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stderr]   --> src/lib.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 | #![cfg_attr(feature="cargo-clippy", allow(doc_markdown))]
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]    |
[INFO] [stderr]    = note: no expected values for `feature`
[INFO] [stderr]    = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `dmc_display_backend`
[INFO] [stderr]    --> src/display/mod.rs:146:7
[INFO] [stderr]     |
[INFO] [stderr] 146 | #[cfg(dmc_display_backend="x11")]
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stderr]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(dmc_display_backend, values(\"x11\"))");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/display/x11.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `dmc_display_backend`
[INFO] [stderr]    --> src/display/mod.rs:560:11
[INFO] [stderr]     |
[INFO] [stderr] 560 |     #[cfg(dmc_display_backend="x11")]
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(dmc_display_backend, values(\"x11\"))");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]   --> src/event/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::time::Duration;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/display/x11.rs:394:57
[INFO] [stderr]     |
[INFO] [stderr] 394 |             let (mut error_base, mut event_base) = mem::uninitialized();
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/display/x11.rs:402:47
[INFO] [stderr]     |
[INFO] [stderr] 402 |             let (mut major, mut minor) = mem::uninitialized();
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/display/x11.rs:546:56
[INFO] [stderr]     |
[INFO] [stderr] 546 |             let mut attrs: x::XWindowAttributes = mem::uninitialized();
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/display/x11.rs:594:57
[INFO] [stderr]     |
[INFO] [stderr] 594 |             let mut title_prop: x::XTextProperty = mem::uninitialized();
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[no_implicit_prelude]` only has an effect on modules
[INFO] [stderr]   --> src/display/x11.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     #[no_implicit_prelude]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/display/x11.rs:776:9
[INFO] [stderr]     |
[INFO] [stderr] 775 |           let best_fbc: glx::GLXFBConfig = unimplemented!(); // FIXME
[INFO] [stderr]     |                                            ---------------- any code following this expression is unreachable
[INFO] [stderr] 776 | /         let attribs_arb = [
[INFO] [stderr] 777 | |             glx::arb::GLX_CONTEXT_MAJOR_VERSION_ARB, 3,
[INFO] [stderr] 778 | |             glx::arb::GLX_CONTEXT_MINOR_VERSION_ARB, 0,
[INFO] [stderr] 779 | |             glx::arb::GLX_CONTEXT_FLAGS_ARB, 
[INFO] [stderr] ...   |
[INFO] [stderr] 786 | |             xx::None
[INFO] [stderr] 787 | |         ];
[INFO] [stderr]     | |__________^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `client_vendor`
[INFO] [stderr]    --> src/display/x11.rs:419:17
[INFO] [stderr]     |
[INFO] [stderr] 419 |             let client_vendor  = glx::glXGetClientString(  x_dpy, xx::GLX_VENDOR);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_vendor`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `client_version`
[INFO] [stderr]    --> src/display/x11.rs:420:17
[INFO] [stderr]     |
[INFO] [stderr] 420 |             let client_version = glx::glXGetClientString(  x_dpy, xx::GLX_VERSION);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_version`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `server_vendor`
[INFO] [stderr]    --> src/display/x11.rs:421:17
[INFO] [stderr]     |
[INFO] [stderr] 421 |             let server_vendor  = glx::glXQueryServerString(x_dpy, screen_num, xx::GLX_VENDOR);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_vendor`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `server_version`
[INFO] [stderr]    --> src/display/x11.rs:422:17
[INFO] [stderr]     |
[INFO] [stderr] 422 |             let server_version = glx::glXQueryServerString(x_dpy, screen_num, xx::GLX_VERSION);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_version`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `resizable`
[INFO] [stderr]    --> src/display/x11.rs:458:23
[INFO] [stderr]     |
[INFO] [stderr] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stderr]     |                       ^^^^^^^^^ help: try ignoring the field: `resizable: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fully_opaque`
[INFO] [stderr]    --> src/display/x11.rs:458:34
[INFO] [stderr]     |
[INFO] [stderr] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stderr]     |                                  ^^^^^^^^^^^^ help: try ignoring the field: `fully_opaque: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opengl`
[INFO] [stderr]    --> src/display/x11.rs:458:48
[INFO] [stderr]     |
[INFO] [stderr] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stderr]     |                                                ^^^^^^ help: try ignoring the field: `opengl: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `allow_high_dpi`
[INFO] [stderr]    --> src/display/x11.rs:458:56
[INFO] [stderr]     |
[INFO] [stderr] 458 |                 mode, resizable, fully_opaque, opengl, allow_high_dpi
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^ help: try ignoring the field: `allow_high_dpi: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `version`
[INFO] [stderr]    --> src/display/x11.rs:762:13
[INFO] [stderr]     |
[INFO] [stderr] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stderr]     |             ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `debug`
[INFO] [stderr]    --> src/display/x11.rs:762:22
[INFO] [stderr]     |
[INFO] [stderr] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stderr]     |                      ^^^^^ help: try ignoring the field: `debug: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `forward_compatible`
[INFO] [stderr]    --> src/display/x11.rs:762:29
[INFO] [stderr]     |
[INFO] [stderr] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `forward_compatible: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `profile`
[INFO] [stderr]    --> src/display/x11.rs:762:49
[INFO] [stderr]     |
[INFO] [stderr] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stderr]     |                                                 ^^^^^^^ help: try ignoring the field: `profile: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msaa`
[INFO] [stderr]    --> src/display/x11.rs:762:58
[INFO] [stderr]     |
[INFO] [stderr] 762 |             version, debug, forward_compatible, profile, msaa, ..
[INFO] [stderr]     |                                                          ^^^^ help: try ignoring the field: `msaa: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `best_fbc`
[INFO] [stderr]    --> src/display/x11.rs:775:13
[INFO] [stderr]     |
[INFO] [stderr] 775 |         let best_fbc: glx::GLXFBConfig = unimplemented!(); // FIXME
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_best_fbc`
[INFO] [stderr] 
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]    --> src/display/mod.rs:830:5
[INFO] [stderr]     |
[INFO] [stderr] 830 |     fn default() -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] ...
[INFO] [stderr] 834 |             .. Default::default()
[INFO] [stderr]     |                ------------------ recursive call site
[INFO] [stderr]     |
[INFO] [stderr]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `gen_fbconfig_attribs` is never used
[INFO] [stderr]    --> src/display/x11.rs:690:8
[INFO] [stderr]     |
[INFO] [stderr] 643 | impl Display {
[INFO] [stderr]     | ------------ associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 690 |     fn gen_fbconfig_attribs(settings: &GLContextSettings) -> [c_int; 37] {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `GLX_EXTENSIONS` is never used
[INFO] [stderr]   --> src/display/x11.rs:72:15
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub const GLX_EXTENSIONS: i32 = 3;
[INFO] [stderr]    |               ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: getting the inner pointer of a temporary `CString`
[INFO] [stderr]    --> src/display/x11.rs:190:66
[INFO] [stderr]     |
[INFO] [stderr] 190 |                           CString::new(stringify!($atom)).unwrap().as_ptr(), 
[INFO] [stderr]     |                           ---------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stderr] ...
[INFO] [stderr] 198 | / atoms!(
[INFO] [stderr] 199 | |     WM_PROTOCOLS
[INFO] [stderr] 200 | |     WM_DELETE_WINDOW
[INFO] [stderr] 201 | |     WM_TAKE_FOCUS
[INFO] [stderr] ...   |
[INFO] [stderr] 256 | |     XKLAVIER_STATE
[INFO] [stderr] 257 | | );
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stderr]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stderr]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `atoms` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: the type `(i32, i32)` does not permit being left uninitialized
[INFO] [stderr]    --> src/display/x11.rs:394:52
[INFO] [stderr]     |
[INFO] [stderr] 394 |             let (mut error_base, mut event_base) = mem::uninitialized();
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                                    |
[INFO] [stderr]     |                                                    this code causes undefined behavior when executed
[INFO] [stderr]     |                                                    help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr]     = note: integers must be initialized
[INFO] [stderr]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the type `(i32, i32)` does not permit being left uninitialized
[INFO] [stderr]    --> src/display/x11.rs:402:42
[INFO] [stderr]     |
[INFO] [stderr] 402 |             let (mut major, mut minor) = mem::uninitialized();
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                          |
[INFO] [stderr]     |                                          this code causes undefined behavior when executed
[INFO] [stderr]     |                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr]     = note: integers must be initialized
[INFO] [stderr] 
[INFO] [stderr] warning: the type `XWindowAttributes` does not permit being left uninitialized
[INFO] [stderr]    --> src/display/x11.rs:546:51
[INFO] [stderr]     |
[INFO] [stderr] 546 |             let mut attrs: x::XWindowAttributes = mem::uninitialized();
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                                   |
[INFO] [stderr]     |                                                   this code causes undefined behavior when executed
[INFO] [stderr]     |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr]     = note: integers must be initialized
[INFO] [stderr] 
[INFO] [stderr] warning: the type `XTextProperty` does not permit being left uninitialized
[INFO] [stderr]    --> src/display/x11.rs:594:52
[INFO] [stderr]     |
[INFO] [stderr] 594 |             let mut title_prop: x::XTextProperty = mem::uninitialized();
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                                    |
[INFO] [stderr]     |                                                    this code causes undefined behavior when executed
[INFO] [stderr]     |                                                    help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr]     = note: raw pointers must be initialized
[INFO] [stderr] 
[INFO] [stderr] warning: variable `glXCreateContextAttribsARB` should have a snake case name
[INFO] [stderr]    --> src/display/x11.rs:807:13
[INFO] [stderr]     |
[INFO] [stderr] 807 |         let glXCreateContextAttribsARB = glx.ext.glXCreateContextAttribsARB.unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `gl_xcreate_context_attribs_arb`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `None` should have an upper case name
[INFO] [stderr]   --> src/display/x11.rs:68:15
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub const None: i32 = 0;
[INFO] [stderr]    |               ^^^^ help: convert the identifier to upper case: `NONE`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dmc` (lib) generated 35 warnings (run `cargo fix --lib -p dmc` to apply 2 suggestions)
[INFO] [stderr] warning: `dmc` (lib test) generated 35 warnings (35 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dmc-b33bef1c24311525)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test semver::test_semver_cmp ... ok
[INFO] [stderr]    Doc-tests dmc
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/display/mod.rs - display (line 69) - compile ... ok
[INFO] [stdout] test src/display/mod.rs - display (line 84) - compile ... ok
[INFO] [stdout] test src/display/mod.rs - display (line 114) - compile ... FAILED
[INFO] [stdout] test src/display/mod.rs - display (line 98) - compile ... ok
[INFO] [stdout] test src/display/mod.rs - display (line 47) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/display/mod.rs - display (line 114) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: unresolved import
[INFO] [stdout]   --> src/display/mod.rs:123:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use display::GLSwapInterval::*;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     unresolved import
[INFO] [stdout]    |     help: a similar path exists: `dmc::display`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `LateSwapTearing` in this scope
[INFO] [stdout]   --> src/display/mod.rs:125:28
[INFO] [stdout]    |
[INFO] [stdout] 14 | if swap_chain.set_interval(LateSwapTearing).is_err() {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]    |
[INFO] [stdout] 2  + use dmc::display::GLSwapInterval::LateSwapTearing;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `VSync` in this scope
[INFO] [stdout]   --> src/display/mod.rs:126:32
[INFO] [stdout]    |
[INFO] [stdout] 15 |     if swap_chain.set_interval(VSync).is_err() {
[INFO] [stdout]    |                                ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]    |
[INFO] [stdout] 2  + use dmc::display::GLSwapInterval::VSync;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `LimitFps` in this scope
[INFO] [stdout]   --> src/display/mod.rs:127:41
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let _ = swap_chain.set_interval(LimitFps(60));
[INFO] [stdout]    |                                         ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]    |
[INFO] [stdout] 2  + use dmc::display::GLSwapInterval::LimitFps;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: unused label
[INFO] [stdout]   --> src/display/mod.rs:131:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | 'main_event_loop: loop {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/display/mod.rs:112:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_labels)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/display/mod.rs - display (line 114)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "0ba322ae575444d8e3a26e1018d2aef7150756cbd787a949db1aaab7fac5cb95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ba322ae575444d8e3a26e1018d2aef7150756cbd787a949db1aaab7fac5cb95", kill_on_drop: false }`
[INFO] [stdout] 0ba322ae575444d8e3a26e1018d2aef7150756cbd787a949db1aaab7fac5cb95
