Dec 17 21:21:16.712 INFO checking kkspeed/metal-placebo against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 21:21:16.712 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/kkspeed/metal-placebo:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 21:21:16.945 INFO [stdout] 6f10343249aecfc94a6c9668e17bce4624f4fd2d39b57fb244ca9d107724ed67
Dec 17 21:21:16.949 INFO running `"docker" "start" "-a" "6f10343249aecfc94a6c9668e17bce4624f4fd2d39b57fb244ca9d107724ed67"`
Dec 17 21:21:17.599 INFO [stderr]     Checking serde v0.8.22
Dec 17 21:21:17.605 INFO [stderr]    Compiling metadeps v1.1.1
Dec 17 21:21:17.605 INFO [stderr]     Checking mustache v0.8.0
Dec 17 21:21:17.607 INFO [stderr]     Checking chrono v0.2.25
Dec 17 21:21:19.177 INFO [stderr]    Compiling x11 v2.12.0
Dec 17 21:21:24.716 INFO [stderr]     Checking serde_test v0.8.22
Dec 17 21:21:24.716 INFO [stderr]     Checking serde-value v0.3.1
Dec 17 21:21:25.620 INFO [stderr]     Checking linked-hash-map v0.3.0
Dec 17 21:21:26.049 INFO [stderr]     Checking yaml-rust v0.3.5
Dec 17 21:21:26.916 INFO [stderr]     Checking serde_yaml v0.5.0
Dec 17 21:21:27.432 INFO [stderr]     Checking log4rs v0.5.2
Dec 17 21:21:28.554 INFO [stderr]     Checking rswm v0.0.0 (/opt/crater/workdir)
Dec 17 21:21:28.785 INFO [stderr] warning: unused import: `std::borrow::Cow`
Dec 17 21:21:28.785 INFO [stderr]  --> src/client.rs:1:5
Dec 17 21:21:28.785 INFO [stderr]   |
Dec 17 21:21:28.785 INFO [stderr] 1 | use std::borrow::Cow;
Dec 17 21:21:28.785 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 17 21:21:28.785 INFO [stderr]   |
Dec 17 21:21:28.785 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 21:21:28.785 INFO [stderr] 
Dec 17 21:21:28.790 INFO [stderr] warning: unused imports: `FullScreen`, `Overview`
Dec 17 21:21:28.790 INFO [stderr]   --> src/core.rs:15:14
Dec 17 21:21:28.790 INFO [stderr]    |
Dec 17 21:21:28.790 INFO [stderr] 15 | use layout::{FullScreen, Layout, Overview, Tile};
Dec 17 21:21:28.790 INFO [stderr]    |              ^^^^^^^^^^          ^^^^^^^^
Dec 17 21:21:28.790 INFO [stderr] 
Dec 17 21:21:28.790 INFO [stderr] warning: unused import: `ClientL`
Dec 17 21:21:28.790 INFO [stderr]  --> src/config.rs:7:14
Dec 17 21:21:28.790 INFO [stderr]   |
Dec 17 21:21:28.790 INFO [stderr] 7 | use client::{ClientL, ClientW};
Dec 17 21:21:28.790 INFO [stderr]   |              ^^^^^^^
Dec 17 21:21:28.790 INFO [stderr] 
Dec 17 21:21:28.790 INFO [stderr] warning: unused import: `mustache::MapBuilder`
Dec 17 21:21:28.790 INFO [stderr]  --> src/loggers.rs:6:5
Dec 17 21:21:28.790 INFO [stderr]   |
Dec 17 21:21:28.790 INFO [stderr] 6 | use mustache::MapBuilder;
Dec 17 21:21:28.790 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 21:21:28.790 INFO [stderr] 
Dec 17 21:21:28.790 INFO [stderr] warning: unused import: `std::io::Write`
Dec 17 21:21:28.790 INFO [stderr]  --> src/layout.rs:1:5
Dec 17 21:21:28.790 INFO [stderr]   |
Dec 17 21:21:28.790 INFO [stderr] 1 | use std::io::Write;
Dec 17 21:21:28.790 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 17 21:21:28.790 INFO [stderr] 
Dec 17 21:21:28.791 INFO [stderr] warning: unused import: `std::io::Write`
Dec 17 21:21:28.791 INFO [stderr]  --> src/workspace.rs:2:5
Dec 17 21:21:28.791 INFO [stderr]   |
Dec 17 21:21:28.791 INFO [stderr] 2 | use std::io::Write;
Dec 17 21:21:28.791 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 17 21:21:28.791 INFO [stderr] 
Dec 17 21:21:28.791 INFO [stderr] warning: unused import: `c_int`
Dec 17 21:21:28.791 INFO [stderr]  --> src/workspace.rs:4:20
Dec 17 21:21:28.791 INFO [stderr]   |
Dec 17 21:21:28.792 INFO [stderr] 4 | use std::os::raw::{c_int, c_uchar, c_uint};
Dec 17 21:21:28.792 INFO [stderr]   |                    ^^^^^
Dec 17 21:21:28.792 INFO [stderr] 
Dec 17 21:21:28.792 INFO [stderr] warning: unused import: `std::borrow::Cow`
Dec 17 21:21:28.792 INFO [stderr]  --> src/client.rs:1:5
Dec 17 21:21:28.792 INFO [stderr]   |
Dec 17 21:21:28.792 INFO [stderr] 1 | use std::borrow::Cow;
Dec 17 21:21:28.792 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 17 21:21:28.792 INFO [stderr]   |
Dec 17 21:21:28.792 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 21:21:28.792 INFO [stderr] 
Dec 17 21:21:28.793 INFO [stderr] warning: unused imports: `FullScreen`, `Overview`
Dec 17 21:21:28.793 INFO [stderr]   --> src/core.rs:15:14
Dec 17 21:21:28.793 INFO [stderr]    |
Dec 17 21:21:28.793 INFO [stderr] 15 | use layout::{FullScreen, Layout, Overview, Tile};
Dec 17 21:21:28.793 INFO [stderr]    |              ^^^^^^^^^^          ^^^^^^^^
Dec 17 21:21:28.793 INFO [stderr] 
Dec 17 21:21:28.796 INFO [stderr] warning: unused import: `ClientL`
Dec 17 21:21:28.796 INFO [stderr]  --> src/config.rs:7:14
Dec 17 21:21:28.796 INFO [stderr]   |
Dec 17 21:21:28.796 INFO [stderr] 7 | use client::{ClientL, ClientW};
Dec 17 21:21:28.796 INFO [stderr]   |              ^^^^^^^
Dec 17 21:21:28.796 INFO [stderr] 
Dec 17 21:21:28.796 INFO [stderr] warning: unused import: `mustache::MapBuilder`
Dec 17 21:21:28.796 INFO [stderr]  --> src/loggers.rs:6:5
Dec 17 21:21:28.796 INFO [stderr]   |
Dec 17 21:21:28.796 INFO [stderr] 6 | use mustache::MapBuilder;
Dec 17 21:21:28.796 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 21:21:28.796 INFO [stderr] 
Dec 17 21:21:28.796 INFO [stderr] warning: unused import: `std::io::Write`
Dec 17 21:21:28.796 INFO [stderr]  --> src/layout.rs:1:5
Dec 17 21:21:28.797 INFO [stderr]   |
Dec 17 21:21:28.797 INFO [stderr] 1 | use std::io::Write;
Dec 17 21:21:28.797 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 17 21:21:28.797 INFO [stderr] 
Dec 17 21:21:28.797 INFO [stderr] warning: unused import: `std::io::Write`
Dec 17 21:21:28.797 INFO [stderr]  --> src/workspace.rs:2:5
Dec 17 21:21:28.797 INFO [stderr]   |
Dec 17 21:21:28.797 INFO [stderr] 2 | use std::io::Write;
Dec 17 21:21:28.797 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 17 21:21:28.797 INFO [stderr] 
Dec 17 21:21:28.797 INFO [stderr] warning: unused import: `c_int`
Dec 17 21:21:28.797 INFO [stderr]  --> src/workspace.rs:4:20
Dec 17 21:21:28.797 INFO [stderr]   |
Dec 17 21:21:28.797 INFO [stderr] 4 | use std::os::raw::{c_int, c_uchar, c_uint};
Dec 17 21:21:28.797 INFO [stderr]   |                    ^^^^^
Dec 17 21:21:28.797 INFO [stderr] 
Dec 17 21:21:29.245 INFO [stderr] warning: unused variable: `message`
Dec 17 21:21:29.245 INFO [stderr]   --> src/layout.rs:12:20
Dec 17 21:21:29.245 INFO [stderr]    |
Dec 17 21:21:29.245 INFO [stderr] 12 |     fn post(&self, message: &str, window_manager: &mut core::WindowManager) {}
Dec 17 21:21:29.245 INFO [stderr]    |                    ^^^^^^^ help: consider using `_message` instead
Dec 17 21:21:29.245 INFO [stderr]    |
Dec 17 21:21:29.245 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 21:21:29.245 INFO [stderr] 
Dec 17 21:21:29.245 INFO [stderr] warning: unused variable: `window_manager`
Dec 17 21:21:29.245 INFO [stderr]   --> src/layout.rs:12:35
Dec 17 21:21:29.245 INFO [stderr]    |
Dec 17 21:21:29.245 INFO [stderr] 12 |     fn post(&self, message: &str, window_manager: &mut core::WindowManager) {}
Dec 17 21:21:29.245 INFO [stderr]    |                                   ^^^^^^^^^^^^^^ help: consider using `_window_manager` instead
Dec 17 21:21:29.245 INFO [stderr] 
Dec 17 21:21:29.245 INFO [stderr] warning: unused variable: `event`
Dec 17 21:21:29.245 INFO [stderr]     --> src/core.rs:1068:36
Dec 17 21:21:29.245 INFO [stderr]      |
Dec 17 21:21:29.245 INFO [stderr] 1068 |     fn on_expose_notify(&mut self, event: xlib::XExposeEvent) {
Dec 17 21:21:29.245 INFO [stderr]      |                                    ^^^^^ help: consider using `_event` instead
Dec 17 21:21:29.245 INFO [stderr] 
Dec 17 21:21:29.245 INFO [stderr] warning: unused variable: `event`
Dec 17 21:21:29.245 INFO [stderr]     --> src/core.rs:1138:36
Dec 17 21:21:29.245 INFO [stderr]      |
Dec 17 21:21:29.245 INFO [stderr] 1138 |     fn on_motion_notify(&mut self, event: xlib::XMotionEvent) {
Dec 17 21:21:29.245 INFO [stderr]      |                                    ^^^^^ help: consider using `_event` instead
Dec 17 21:21:29.245 INFO [stderr] 
Dec 17 21:21:29.245 INFO [stderr] warning: unused variable: `tag`
Dec 17 21:21:29.245 INFO [stderr]     --> src/core.rs:1149:25
Dec 17 21:21:29.245 INFO [stderr]      |
Dec 17 21:21:29.245 INFO [stderr] 1149 |                     let tag = c.tag();
Dec 17 21:21:29.245 INFO [stderr]      |                         ^^^ help: consider using `_tag` instead
Dec 17 21:21:29.245 INFO [stderr] 
Dec 17 21:21:29.245 INFO [stderr] warning: unused variable: `w`
Dec 17 21:21:29.245 INFO [stderr]   --> src/config.rs:50:53
Dec 17 21:21:29.245 INFO [stderr]    |
Dec 17 21:21:29.245 INFO [stderr] 50 |             vec![(mod_mask, keysym::XK_q, Box::new(|w| process::exit(0))),
Dec 17 21:21:29.245 INFO [stderr]    |                                                     ^ help: consider using `_w` instead
Dec 17 21:21:29.245 INFO [stderr] 
Dec 17 21:21:29.245 INFO [stderr] warning: unused variable: `global_config`
Dec 17 21:21:29.245 INFO [stderr]    --> src/loggers.rs:128:13
Dec 17 21:21:29.245 INFO [stderr]     |
Dec 17 21:21:29.245 INFO [stderr] 128 |             global_config: &Config,
Dec 17 21:21:29.245 INFO [stderr]     |             ^^^^^^^^^^^^^ help: consider using `_global_config` instead
Dec 17 21:21:29.245 INFO [stderr] 
Dec 17 21:21:29.245 INFO [stderr] warning: unused variable: `config`
Dec 17 21:21:29.245 INFO [stderr]   --> src/layout.rs:91:28
Dec 17 21:21:29.245 INFO [stderr]    |
Dec 17 21:21:29.245 INFO [stderr] 91 |     fn layout_rects(&self, config: Rc<Config>, n: usize, rect: Rect) -> Vec<Rect> {
Dec 17 21:21:29.245 INFO [stderr]    |                            ^^^^^^ help: consider using `_config` instead
Dec 17 21:21:29.245 INFO [stderr] 
Dec 17 21:21:29.289 INFO [stderr] warning: unused variable: `message`
Dec 17 21:21:29.289 INFO [stderr]   --> src/layout.rs:12:20
Dec 17 21:21:29.289 INFO [stderr]    |
Dec 17 21:21:29.289 INFO [stderr] 12 |     fn post(&self, message: &str, window_manager: &mut core::WindowManager) {}
Dec 17 21:21:29.289 INFO [stderr]    |                    ^^^^^^^ help: consider using `_message` instead
Dec 17 21:21:29.289 INFO [stderr]    |
Dec 17 21:21:29.289 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 21:21:29.289 INFO [stderr] 
Dec 17 21:21:29.289 INFO [stderr] warning: unused variable: `window_manager`
Dec 17 21:21:29.289 INFO [stderr]   --> src/layout.rs:12:35
Dec 17 21:21:29.289 INFO [stderr]    |
Dec 17 21:21:29.289 INFO [stderr] 12 |     fn post(&self, message: &str, window_manager: &mut core::WindowManager) {}
Dec 17 21:21:29.289 INFO [stderr]    |                                   ^^^^^^^^^^^^^^ help: consider using `_window_manager` instead
Dec 17 21:21:29.289 INFO [stderr] 
Dec 17 21:21:29.289 INFO [stderr] warning: unused variable: `event`
Dec 17 21:21:29.289 INFO [stderr]     --> src/core.rs:1068:36
Dec 17 21:21:29.289 INFO [stderr]      |
Dec 17 21:21:29.289 INFO [stderr] 1068 |     fn on_expose_notify(&mut self, event: xlib::XExposeEvent) {
Dec 17 21:21:29.289 INFO [stderr]      |                                    ^^^^^ help: consider using `_event` instead
Dec 17 21:21:29.289 INFO [stderr] 
Dec 17 21:21:29.296 INFO [stderr] warning: unused variable: `event`
Dec 17 21:21:29.296 INFO [stderr]     --> src/core.rs:1138:36
Dec 17 21:21:29.296 INFO [stderr]      |
Dec 17 21:21:29.296 INFO [stderr] 1138 |     fn on_motion_notify(&mut self, event: xlib::XMotionEvent) {
Dec 17 21:21:29.296 INFO [stderr]      |                                    ^^^^^ help: consider using `_event` instead
Dec 17 21:21:29.296 INFO [stderr] 
Dec 17 21:21:29.296 INFO [stderr] warning: unused variable: `tag`
Dec 17 21:21:29.296 INFO [stderr]     --> src/core.rs:1149:25
Dec 17 21:21:29.296 INFO [stderr]      |
Dec 17 21:21:29.296 INFO [stderr] 1149 |                     let tag = c.tag();
Dec 17 21:21:29.296 INFO [stderr]      |                         ^^^ help: consider using `_tag` instead
Dec 17 21:21:29.296 INFO [stderr] 
Dec 17 21:21:29.296 INFO [stderr] warning: unused variable: `w`
Dec 17 21:21:29.296 INFO [stderr]   --> src/config.rs:50:53
Dec 17 21:21:29.296 INFO [stderr]    |
Dec 17 21:21:29.296 INFO [stderr] 50 |             vec![(mod_mask, keysym::XK_q, Box::new(|w| process::exit(0))),
Dec 17 21:21:29.296 INFO [stderr]    |                                                     ^ help: consider using `_w` instead
Dec 17 21:21:29.296 INFO [stderr] 
Dec 17 21:21:29.296 INFO [stderr] warning: unused variable: `global_config`
Dec 17 21:21:29.296 INFO [stderr]    --> src/loggers.rs:128:13
Dec 17 21:21:29.296 INFO [stderr]     |
Dec 17 21:21:29.296 INFO [stderr] 128 |             global_config: &Config,
Dec 17 21:21:29.296 INFO [stderr]     |             ^^^^^^^^^^^^^ help: consider using `_global_config` instead
Dec 17 21:21:29.296 INFO [stderr] 
Dec 17 21:21:29.296 INFO [stderr] warning: unused variable: `config`
Dec 17 21:21:29.296 INFO [stderr]   --> src/layout.rs:91:28
Dec 17 21:21:29.296 INFO [stderr]    |
Dec 17 21:21:29.296 INFO [stderr] 91 |     fn layout_rects(&self, config: Rc<Config>, n: usize, rect: Rect) -> Vec<Rect> {
Dec 17 21:21:29.296 INFO [stderr]    |                            ^^^^^^ help: consider using `_config` instead
Dec 17 21:21:29.296 INFO [stderr] 
Dec 17 21:21:29.371 INFO [stderr] warning: variable does not need to be mutable
Dec 17 21:21:29.371 INFO [stderr]     --> src/core.rs:1143:21
Dec 17 21:21:29.371 INFO [stderr]      |
Dec 17 21:21:29.371 INFO [stderr] 1143 |         if let Some(mut c) = self.get_client_by_window(event.window).as_mut() {
Dec 17 21:21:29.371 INFO [stderr]      |                     ----^
Dec 17 21:21:29.371 INFO [stderr]      |                     |
Dec 17 21:21:29.371 INFO [stderr]      |                     help: remove this `mut`
Dec 17 21:21:29.371 INFO [stderr]      |
Dec 17 21:21:29.371 INFO [stderr]      = note: #[warn(unused_mut)] on by default
Dec 17 21:21:29.371 INFO [stderr] 
Dec 17 21:21:29.452 INFO [stderr] warning: variable does not need to be mutable
Dec 17 21:21:29.452 INFO [stderr]     --> src/core.rs:1143:21
Dec 17 21:21:29.452 INFO [stderr]      |
Dec 17 21:21:29.452 INFO [stderr] 1143 |         if let Some(mut c) = self.get_client_by_window(event.window).as_mut() {
Dec 17 21:21:29.452 INFO [stderr]      |                     ----^
Dec 17 21:21:29.452 INFO [stderr]      |                     |
Dec 17 21:21:29.452 INFO [stderr]      |                     help: remove this `mut`
Dec 17 21:21:29.452 INFO [stderr]      |
Dec 17 21:21:29.452 INFO [stderr]      = note: #[warn(unused_mut)] on by default
Dec 17 21:21:29.452 INFO [stderr] 
Dec 17 21:21:29.456 INFO [stderr] warning: field is never used: `anchor_window`
Dec 17 21:21:29.456 INFO [stderr]   --> src/client.rs:63:5
Dec 17 21:21:29.456 INFO [stderr]    |
Dec 17 21:21:29.456 INFO [stderr] 63 |     anchor_window: xlib::Window,
Dec 17 21:21:29.456 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:21:29.456 INFO [stderr]    |
Dec 17 21:21:29.456 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 21:21:29.456 INFO [stderr] 
Dec 17 21:21:29.456 INFO [stderr] warning: field is never used: `is_dialog`
Dec 17 21:21:29.456 INFO [stderr]   --> src/client.rs:72:5
Dec 17 21:21:29.456 INFO [stderr]    |
Dec 17 21:21:29.456 INFO [stderr] 72 |     is_dialog: bool,
Dec 17 21:21:29.456 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 17 21:21:29.456 INFO [stderr] 
Dec 17 21:21:29.456 INFO [stderr] warning: field is never used: `old_border`
Dec 17 21:21:29.456 INFO [stderr]   --> src/client.rs:88:5
Dec 17 21:21:29.456 INFO [stderr]    |
Dec 17 21:21:29.456 INFO [stderr] 88 |     old_border: c_int,
Dec 17 21:21:29.456 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 17 21:21:29.456 INFO [stderr] 
Dec 17 21:21:29.456 INFO [stderr] warning: constant item is never used: `TRACE`
Dec 17 21:21:29.456 INFO [stderr]   --> src/core.rs:21:1
Dec 17 21:21:29.456 INFO [stderr]    |
Dec 17 21:21:29.456 INFO [stderr] 21 | const TRACE: bool = true;
Dec 17 21:21:29.456 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:21:29.456 INFO [stderr] 
Dec 17 21:21:29.456 INFO [stderr] warning: method is never used: `peek`
Dec 17 21:21:29.456 INFO [stderr]   --> src/core.rs:74:5
Dec 17 21:21:29.456 INFO [stderr]    |
Dec 17 21:21:29.456 INFO [stderr] 74 |     fn peek(&self) -> Option<&ClientW> {
Dec 17 21:21:29.456 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:21:29.456 INFO [stderr] 
Dec 17 21:21:29.456 INFO [stderr] warning: field is never used: `screen`
Dec 17 21:21:29.456 INFO [stderr]    --> src/core.rs:113:5
Dec 17 21:21:29.456 INFO [stderr]     |
Dec 17 21:21:29.456 INFO [stderr] 113 |     screen: c_int,
Dec 17 21:21:29.456 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 17 21:21:29.456 INFO [stderr] 
Dec 17 21:21:29.457 INFO [stderr] warning: field is never used: `current_returned`
Dec 17 21:21:29.457 INFO [stderr]    --> src/workspace.rs:367:5
Dec 17 21:21:29.457 INFO [stderr]     |
Dec 17 21:21:29.457 INFO [stderr] 367 |     current_returned: bool,
Dec 17 21:21:29.457 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:21:29.457 INFO [stderr] 
Dec 17 21:21:29.457 INFO [stderr] warning: function is never used: `net_wm_state_sticky`
Dec 17 21:21:29.457 INFO [stderr]   --> src/atoms.rs:55:1
Dec 17 21:21:29.457 INFO [stderr]    |
Dec 17 21:21:29.457 INFO [stderr] 55 | pub fn net_wm_state_sticky() -> xlib::Atom {
Dec 17 21:21:29.457 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:21:29.457 INFO [stderr] 
Dec 17 21:21:29.470 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 21:21:29.470 INFO [stderr]    --> src/loggers.rs:173:9
Dec 17 21:21:29.470 INFO [stderr]     |
Dec 17 21:21:29.470 INFO [stderr] 173 | /         write!(self.child.stdin.as_mut().unwrap(),
Dec 17 21:21:29.470 INFO [stderr] 174 | |                "{}",
Dec 17 21:21:29.470 INFO [stderr] 175 | |                self.config.separator);
Dec 17 21:21:29.470 INFO [stderr]     | |______________________________________^
Dec 17 21:21:29.470 INFO [stderr]     |
Dec 17 21:21:29.470 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 21:21:29.470 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 21:21:29.470 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 21:21:29.470 INFO [stderr] 
Dec 17 21:21:29.471 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 21:21:29.471 INFO [stderr]    --> src/loggers.rs:196:9
Dec 17 21:21:29.471 INFO [stderr]     |
Dec 17 21:21:29.471 INFO [stderr] 196 |         write!(self.child.stdin.as_mut().unwrap(), "\n");
Dec 17 21:21:29.471 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:21:29.471 INFO [stderr]     |
Dec 17 21:21:29.471 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 21:21:29.471 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 21:21:29.471 INFO [stderr] 
Dec 17 21:21:29.561 INFO [stderr] warning: field is never used: `anchor_window`
Dec 17 21:21:29.561 INFO [stderr]   --> src/client.rs:63:5
Dec 17 21:21:29.561 INFO [stderr]    |
Dec 17 21:21:29.561 INFO [stderr] 63 |     anchor_window: xlib::Window,
Dec 17 21:21:29.561 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:21:29.561 INFO [stderr]    |
Dec 17 21:21:29.561 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 21:21:29.561 INFO [stderr] 
Dec 17 21:21:29.561 INFO [stderr] warning: field is never used: `is_dialog`
Dec 17 21:21:29.561 INFO [stderr]   --> src/client.rs:72:5
Dec 17 21:21:29.561 INFO [stderr]    |
Dec 17 21:21:29.561 INFO [stderr] 72 |     is_dialog: bool,
Dec 17 21:21:29.561 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 17 21:21:29.561 INFO [stderr] 
Dec 17 21:21:29.561 INFO [stderr] warning: field is never used: `old_border`
Dec 17 21:21:29.561 INFO [stderr]   --> src/client.rs:88:5
Dec 17 21:21:29.561 INFO [stderr]    |
Dec 17 21:21:29.561 INFO [stderr] 88 |     old_border: c_int,
Dec 17 21:21:29.561 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 17 21:21:29.561 INFO [stderr] 
Dec 17 21:21:29.561 INFO [stderr] warning: constant item is never used: `TRACE`
Dec 17 21:21:29.561 INFO [stderr]   --> src/core.rs:21:1
Dec 17 21:21:29.561 INFO [stderr]    |
Dec 17 21:21:29.561 INFO [stderr] 21 | const TRACE: bool = true;
Dec 17 21:21:29.561 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:21:29.561 INFO [stderr] 
Dec 17 21:21:29.561 INFO [stderr] warning: method is never used: `peek`
Dec 17 21:21:29.561 INFO [stderr]   --> src/core.rs:74:5
Dec 17 21:21:29.561 INFO [stderr]    |
Dec 17 21:21:29.561 INFO [stderr] 74 |     fn peek(&self) -> Option<&ClientW> {
Dec 17 21:21:29.561 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:21:29.561 INFO [stderr] 
Dec 17 21:21:29.561 INFO [stderr] warning: field is never used: `screen`
Dec 17 21:21:29.561 INFO [stderr]    --> src/core.rs:113:5
Dec 17 21:21:29.561 INFO [stderr]     |
Dec 17 21:21:29.561 INFO [stderr] 113 |     screen: c_int,
Dec 17 21:21:29.561 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 17 21:21:29.562 INFO [stderr] 
Dec 17 21:21:29.562 INFO [stderr] warning: field is never used: `current_returned`
Dec 17 21:21:29.562 INFO [stderr]    --> src/workspace.rs:367:5
Dec 17 21:21:29.562 INFO [stderr]     |
Dec 17 21:21:29.562 INFO [stderr] 367 |     current_returned: bool,
Dec 17 21:21:29.562 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:21:29.562 INFO [stderr] 
Dec 17 21:21:29.562 INFO [stderr] warning: function is never used: `net_wm_state_sticky`
Dec 17 21:21:29.562 INFO [stderr]   --> src/atoms.rs:55:1
Dec 17 21:21:29.562 INFO [stderr]    |
Dec 17 21:21:29.562 INFO [stderr] 55 | pub fn net_wm_state_sticky() -> xlib::Atom {
Dec 17 21:21:29.562 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:21:29.562 INFO [stderr] 
Dec 17 21:21:29.596 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 21:21:29.596 INFO [stderr]    --> src/loggers.rs:173:9
Dec 17 21:21:29.596 INFO [stderr]     |
Dec 17 21:21:29.596 INFO [stderr] 173 | /         write!(self.child.stdin.as_mut().unwrap(),
Dec 17 21:21:29.596 INFO [stderr] 174 | |                "{}",
Dec 17 21:21:29.596 INFO [stderr] 175 | |                self.config.separator);
Dec 17 21:21:29.596 INFO [stderr]     | |______________________________________^
Dec 17 21:21:29.596 INFO [stderr]     |
Dec 17 21:21:29.596 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 21:21:29.596 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 21:21:29.596 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 21:21:29.596 INFO [stderr] 
Dec 17 21:21:29.596 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 21:21:29.596 INFO [stderr]    --> src/loggers.rs:196:9
Dec 17 21:21:29.596 INFO [stderr]     |
Dec 17 21:21:29.596 INFO [stderr] 196 |         write!(self.child.stdin.as_mut().unwrap(), "\n");
Dec 17 21:21:29.596 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:21:29.596 INFO [stderr]     |
Dec 17 21:21:29.596 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 21:21:29.596 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 21:21:29.596 INFO [stderr] 
Dec 17 21:21:29.962 INFO [stderr] warning: unused import: `rswm::client::ClientW`
Dec 17 21:21:29.962 INFO [stderr]   --> main.rs:11:5
Dec 17 21:21:29.962 INFO [stderr]    |
Dec 17 21:21:29.962 INFO [stderr] 11 | use rswm::client::ClientW;
Dec 17 21:21:29.962 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:21:29.962 INFO [stderr]    |
Dec 17 21:21:29.962 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 21:21:29.962 INFO [stderr] 
Dec 17 21:21:29.962 INFO [stderr] warning: unused imports: `Layout`, `Tile`
Dec 17 21:21:29.962 INFO [stderr]   --> main.rs:17:20
Dec 17 21:21:29.962 INFO [stderr]    |
Dec 17 21:21:29.962 INFO [stderr] 17 | use rswm::layout::{Tile, Tile13, FullScreen, Overview, Layout};
Dec 17 21:21:29.962 INFO [stderr]    |                    ^^^^                                ^^^^^^
Dec 17 21:21:29.962 INFO [stderr] 
Dec 17 21:21:29.972 INFO [stderr] warning: unused import: `rswm::client::ClientW`
Dec 17 21:21:29.972 INFO [stderr]   --> main.rs:11:5
Dec 17 21:21:29.973 INFO [stderr]    |
Dec 17 21:21:29.973 INFO [stderr] 11 | use rswm::client::ClientW;
Dec 17 21:21:29.973 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:21:29.973 INFO [stderr]    |
Dec 17 21:21:29.973 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 21:21:29.973 INFO [stderr] 
Dec 17 21:21:29.973 INFO [stderr] warning: unused imports: `Layout`, `Tile`
Dec 17 21:21:29.973 INFO [stderr]   --> main.rs:17:20
Dec 17 21:21:29.973 INFO [stderr]    |
Dec 17 21:21:29.973 INFO [stderr] 17 | use rswm::layout::{Tile, Tile13, FullScreen, Overview, Layout};
Dec 17 21:21:29.973 INFO [stderr]    |                    ^^^^                                ^^^^^^
Dec 17 21:21:29.973 INFO [stderr] 
Dec 17 21:21:30.116 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.61s
Dec 17 21:21:30.408 INFO running `"docker" "inspect" "6f10343249aecfc94a6c9668e17bce4624f4fd2d39b57fb244ca9d107724ed67"`
Dec 17 21:21:30.474 INFO running `"docker" "rm" "-f" "6f10343249aecfc94a6c9668e17bce4624f4fd2d39b57fb244ca9d107724ed67"`
Dec 17 21:21:30.581 INFO [stdout] 6f10343249aecfc94a6c9668e17bce4624f4fd2d39b57fb244ca9d107724ed67