[INFO] crate leftwm 0.1.10 is already in cache
[INFO] checking leftwm-0.1.10 against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] extracting crate leftwm 0.1.10 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate leftwm 0.1.10 on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate leftwm 0.1.10
[INFO] finished tweaking crates.io crate leftwm 0.1.10
[INFO] tweaked toml for crates.io crate leftwm 0.1.10 written to work/builds/worker-6/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4144f98dfa336cf4a3048e14d98b7e9e25b721fe95d4e04161ac27d3882ac3a5
[INFO] running `"docker" "start" "-a" "4144f98dfa336cf4a3048e14d98b7e9e25b721fe95d4e04161ac27d3882ac3a5"`
[INFO] [stderr]     Checking liquid-error v0.18.1
[INFO] [stderr]     Checking deunicode v1.0.0
[INFO] [stderr]     Checking liquid-value v0.18.1
[INFO] [stderr] warning: lifetime may not live long enough
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/liquid-value-0.18.1/src/scalar.rs:60:54
[INFO] [stderr]    |
[INFO] [stderr] 29 | impl<'s> ScalarCow<'s> {
[INFO] [stderr]    |      -- lifetime `'s` defined here
[INFO] [stderr] ...
[INFO] [stderr] 60 |             ScalarCowEnum::Str(ref x) => Scalar::new(x.as_ref()),
[INFO] [stderr]    |                                                      ^^^^^^^^^^ argument requires that `'s` must outlive `'static`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]    = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime may not live long enough
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/liquid-value-0.18.1/src/scalar.rs:60:54
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn as_ref<'r: 's>(&'r self) -> ScalarCow<'r> {
[INFO] [stderr]    |                   -- lifetime `'r` defined here
[INFO] [stderr] ...
[INFO] [stderr] 60 |             ScalarCowEnum::Str(ref x) => Scalar::new(x.as_ref()),
[INFO] [stderr]    |                                                      ^^^^^^^^^^ argument requires that `'r` must outlive `'static`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]    = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]     Checking liquid-interpreter v0.18.1
[INFO] [stderr]     Checking liquid-compiler v0.18.1
[INFO] [stderr]     Checking liquid v0.18.2
[INFO] [stderr]     Checking leftwm v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config/theme_setting.rs:60:72
[INFO] [stderr]    |
[INFO] [stderr] 60 | fn load_theme_file(path: &PathBuf) -> Result<ThemeSettingLoadable, Box<std::error::Error>> {
[INFO] [stderr]    |                                                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:37:43
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn load_from_file() -> Result<Config, Box<std::error::Error>> {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/layouts/mod.rs:10:32
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn clone_box(&self) -> Box<Layout>;
[INFO] [stderr]    |                                ^^^^^^ help: use `dyn`: `dyn Layout`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/layouts/mod.rs:14:32
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn clone_box(&self) -> Box<Layout> {
[INFO] [stderr]    |                                ^^^^^^ help: use `dyn`: `dyn Layout`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/layouts/mod.rs:19:20
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl Clone for Box<Layout> {
[INFO] [stderr]    |                    ^^^^^^ help: use `dyn`: `dyn Layout`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/layouts/mod.rs:20:28
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn clone(&self) -> Box<Layout> {
[INFO] [stderr]    |                            ^^^^^^ help: use `dyn`: `dyn Layout`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/layouts/mod.rs:25:42
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn get_all_layouts() -> VecDeque<Box<Layout>> {
[INFO] [stderr]    |                                          ^^^^^^ help: use `dyn`: `dyn Layout`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/layouts/mod.rs:27:60
[INFO] [stderr]    |
[INFO] [stderr] 27 |     layouts.push_back(Box::new(MainAndVertStack {}) as Box<Layout>);
[INFO] [stderr]    |                                                            ^^^^^^ help: use `dyn`: `dyn Layout`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/layouts/mod.rs:28:58
[INFO] [stderr]    |
[INFO] [stderr] 28 |     layouts.push_back(Box::new(EvenHorizontal {}) as Box<Layout>);
[INFO] [stderr]    |                                                          ^^^^^^ help: use `dyn`: `dyn Layout`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/layouts/mod.rs:29:56
[INFO] [stderr]    |
[INFO] [stderr] 29 |     layouts.push_back(Box::new(EvenVertical {}) as Box<Layout>);
[INFO] [stderr]    |                                                        ^^^^^^ help: use `dyn`: `dyn Layout`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/models/workspace.rs:13:27
[INFO] [stderr]    |
[INFO] [stderr] 13 |     layouts: VecDeque<Box<Layout>>,
[INFO] [stderr]    |                           ^^^^^^ help: use `dyn`: `dyn Layout`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils/child_process.rs:36:56
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn boot_current_theme(&self) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils/state_socket.rs:20:46
[INFO] [stderr]    |
[INFO] [stderr] 20 | type Server = Result<Arc<Mutex<Shared>>, Box<std::error::Error>>;
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils/state_socket.rs:80:80
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn write_manager_state(&mut self, manager: &Manager) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config/theme_setting.rs:60:72
[INFO] [stderr]    |
[INFO] [stderr] 60 | fn load_theme_file(path: &PathBuf) -> Result<ThemeSettingLoadable, Box<std::error::Error>> {
[INFO] [stderr]    |                                                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:37:43
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn load_from_file() -> Result<Config, Box<std::error::Error>> {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/layouts/mod.rs:10:32
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn clone_box(&self) -> Box<Layout>;
[INFO] [stderr]    |                                ^^^^^^ help: use `dyn`: `dyn Layout`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/layouts/mod.rs:14:32
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn clone_box(&self) -> Box<Layout> {
[INFO] [stderr]    |                                ^^^^^^ help: use `dyn`: `dyn Layout`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/layouts/mod.rs:19:20
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl Clone for Box<Layout> {
[INFO] [stderr]    |                    ^^^^^^ help: use `dyn`: `dyn Layout`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/layouts/mod.rs:20:28
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn clone(&self) -> Box<Layout> {
[INFO] [stderr]    |                            ^^^^^^ help: use `dyn`: `dyn Layout`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/layouts/mod.rs:25:42
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn get_all_layouts() -> VecDeque<Box<Layout>> {
[INFO] [stderr]    |                                          ^^^^^^ help: use `dyn`: `dyn Layout`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/layouts/mod.rs:27:60
[INFO] [stderr]    |
[INFO] [stderr] 27 |     layouts.push_back(Box::new(MainAndVertStack {}) as Box<Layout>);
[INFO] [stderr]    |                                                            ^^^^^^ help: use `dyn`: `dyn Layout`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/layouts/mod.rs:28:58
[INFO] [stderr]    |
[INFO] [stderr] 28 |     layouts.push_back(Box::new(EvenHorizontal {}) as Box<Layout>);
[INFO] [stderr]    |                                                          ^^^^^^ help: use `dyn`: `dyn Layout`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/layouts/mod.rs:29:56
[INFO] [stderr]    |
[INFO] [stderr] 29 |     layouts.push_back(Box::new(EvenVertical {}) as Box<Layout>);
[INFO] [stderr]    |                                                        ^^^^^^ help: use `dyn`: `dyn Layout`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/models/workspace.rs:13:27
[INFO] [stderr]    |
[INFO] [stderr] 13 |     layouts: VecDeque<Box<Layout>>,
[INFO] [stderr]    |                           ^^^^^^ help: use `dyn`: `dyn Layout`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils/child_process.rs:36:56
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn boot_current_theme(&self) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils/state_socket.rs:20:46
[INFO] [stderr]    |
[INFO] [stderr] 20 | type Server = Result<Arc<Mutex<Shared>>, Box<std::error::Error>>;
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils/state_socket.rs:80:80
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn write_manager_state(&mut self, manager: &Manager) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/display_servers/xlib_display_server/xwrap.rs:246:54
[INFO] [stderr]     |
[INFO] [stderr] 246 |         let mut prop_return: *mut c_uchar = unsafe { std::mem::uninitialized() };
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/display_servers/xlib_display_server/xwrap.rs:320:54
[INFO] [stderr]     |
[INFO] [stderr] 320 |         let mut prop_return: *mut c_uchar = unsafe { std::mem::uninitialized() };
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/display_servers/xlib_display_server/xwrap.rs:378:54
[INFO] [stderr]     |
[INFO] [stderr] 378 |         let mut text: xlib::XTextProperty = unsafe { std::mem::uninitialized() };
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/display_servers/xlib_display_server/xwrap.rs:680:54
[INFO] [stderr]     |
[INFO] [stderr] 680 |         let mut prop_return: *mut c_uchar = unsafe { std::mem::uninitialized() };
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/display_servers/xlib_display_server/xwrap.rs:716:54
[INFO] [stderr]     |
[INFO] [stderr] 716 |         let mut prop_return: *mut c_uchar = unsafe { std::mem::uninitialized() };
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/display_servers/xlib_display_server/xwrap.rs:836:63
[INFO] [stderr]     |
[INFO] [stderr] 836 |             let mut msg: xlib::XClientMessageEvent = unsafe { std::mem::uninitialized() };
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]     --> src/display_servers/xlib_display_server/xwrap.rs:1072:52
[INFO] [stderr]      |
[INFO] [stderr] 1072 |         let mut xsize: xlib::XSizeHints = unsafe { std::mem::uninitialized() };
[INFO] [stderr]      |                                                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]     --> src/display_servers/xlib_display_server/xwrap.rs:1184:48
[INFO] [stderr]      |
[INFO] [stderr] 1184 |         let mut color: xlib::XColor = unsafe { std::mem::uninitialized() };
[INFO] [stderr]      |                                                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]     --> src/display_servers/xlib_display_server/xwrap.rs:1205:62
[INFO] [stderr]      |
[INFO] [stderr] 1205 |         let mut attrs: xlib::XSetWindowAttributes = unsafe { std::mem::uninitialized() };
[INFO] [stderr]      |                                                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]     --> src/display_servers/xlib_display_server/xwrap.rs:1309:48
[INFO] [stderr]      |
[INFO] [stderr] 1309 |         let mut event: xlib::XEvent = unsafe { std::mem::uninitialized() };
[INFO] [stderr]      |                                                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/display_servers/xlib_display_server/xwrap.rs:246:54
[INFO] [stderr]     |
[INFO] [stderr] 246 |         let mut prop_return: *mut c_uchar = unsafe { std::mem::uninitialized() };
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/display_servers/xlib_display_server/xwrap.rs:320:54
[INFO] [stderr]     |
[INFO] [stderr] 320 |         let mut prop_return: *mut c_uchar = unsafe { std::mem::uninitialized() };
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/display_servers/xlib_display_server/xwrap.rs:378:54
[INFO] [stderr]     |
[INFO] [stderr] 378 |         let mut text: xlib::XTextProperty = unsafe { std::mem::uninitialized() };
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/display_servers/xlib_display_server/xwrap.rs:680:54
[INFO] [stderr]     |
[INFO] [stderr] 680 |         let mut prop_return: *mut c_uchar = unsafe { std::mem::uninitialized() };
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/display_servers/xlib_display_server/xwrap.rs:716:54
[INFO] [stderr]     |
[INFO] [stderr] 716 |         let mut prop_return: *mut c_uchar = unsafe { std::mem::uninitialized() };
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/display_servers/xlib_display_server/xwrap.rs:836:63
[INFO] [stderr]     |
[INFO] [stderr] 836 |             let mut msg: xlib::XClientMessageEvent = unsafe { std::mem::uninitialized() };
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]     --> src/display_servers/xlib_display_server/xwrap.rs:1072:52
[INFO] [stderr]      |
[INFO] [stderr] 1072 |         let mut xsize: xlib::XSizeHints = unsafe { std::mem::uninitialized() };
[INFO] [stderr]      |                                                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]     --> src/display_servers/xlib_display_server/xwrap.rs:1184:48
[INFO] [stderr]      |
[INFO] [stderr] 1184 |         let mut color: xlib::XColor = unsafe { std::mem::uninitialized() };
[INFO] [stderr]      |                                                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]     --> src/display_servers/xlib_display_server/xwrap.rs:1205:62
[INFO] [stderr]      |
[INFO] [stderr] 1205 |         let mut attrs: xlib::XSetWindowAttributes = unsafe { std::mem::uninitialized() };
[INFO] [stderr]      |                                                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]     --> src/display_servers/xlib_display_server/xwrap.rs:1309:48
[INFO] [stderr]      |
[INFO] [stderr] 1309 |         let mut event: xlib::XEvent = unsafe { std::mem::uninitialized() };
[INFO] [stderr]      |                                                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/layouts/mod.rs:119:58
[INFO] [stderr]     |
[INFO] [stderr] 119 |     let mut windows_filters = windows.iter_mut().filter(|f| true).collect();
[INFO] [stderr]     |                                                          ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/leftwm-worker.rs:103:44
[INFO] [stderr]     |
[INFO] [stderr] 103 | fn load_old_state() -> Result<Manager, Box<std::error::Error>> {
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/leftwm-worker.rs:103:44
[INFO] [stderr]     |
[INFO] [stderr] 103 | fn load_old_state() -> Result<Manager, Box<std::error::Error>> {
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.23s
[INFO] running `"docker" "inspect" "4144f98dfa336cf4a3048e14d98b7e9e25b721fe95d4e04161ac27d3882ac3a5"`
[INFO] running `"docker" "rm" "-f" "4144f98dfa336cf4a3048e14d98b7e9e25b721fe95d4e04161ac27d3882ac3a5"`
[INFO] [stdout] 4144f98dfa336cf4a3048e14d98b7e9e25b721fe95d4e04161ac27d3882ac3a5