[INFO] fetching crate yogawm 0.1.0...
[INFO] testing yogawm-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate yogawm 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate yogawm 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yogawm 0.1.0
[INFO] finished tweaking crates.io crate yogawm 0.1.0
[INFO] tweaked toml for crates.io crate yogawm 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate yogawm 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2657957d2c6dd1cfd562af2a04d5d9bc8c67b026d65658bec068ef734068a5e0
[INFO] running `Command { std: "docker" "start" "-a" "2657957d2c6dd1cfd562af2a04d5d9bc8c67b026d65658bec068ef734068a5e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2657957d2c6dd1cfd562af2a04d5d9bc8c67b026d65658bec068ef734068a5e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2657957d2c6dd1cfd562af2a04d5d9bc8c67b026d65658bec068ef734068a5e0", kill_on_drop: false }`
[INFO] [stdout] 2657957d2c6dd1cfd562af2a04d5d9bc8c67b026d65658bec068ef734068a5e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c492d515d9c5ba31ac4b3447f4580c51dfc3740b6b6fc64020be3e3ef69c65e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8c492d515d9c5ba31ac4b3447f4580c51dfc3740b6b6fc64020be3e3ef69c65e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling gethostname v0.2.1
[INFO] [stderr]    Compiling x11rb v0.6.0
[INFO] [stderr]    Compiling yogawm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `x11::prelude::*`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use x11::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `x11::connect`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use x11::connect;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `x11::screens::get_screen`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use x11::screens::get_screen;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `x11::windows::get_all_windows`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use x11::windows::get_all_windows;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `X11Connection`
[INFO] [stdout]   --> src/x11/mod.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub type X11Connection = impl X11RawConnection + X11RequestConnection + X11ConnectionExt + Send + Sync;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `X11Result`
[INFO] [stdout]   --> src/x11/mod.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub type X11Result<T> = Result<T, X11Error>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `connect`
[INFO] [stdout]   --> src/x11/mod.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn connect() -> X11Result<(X11Connection, self::screens::X11ScreenNum)> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `X11ScreenNum`
[INFO] [stdout]   --> src/x11/mod.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub type X11ScreenNum = usize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_all_screens`
[INFO] [stdout]   --> src/x11/mod.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn get_all_screens(connection: &X11Connection) -> &Vec<X11Screen> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_screen`
[INFO] [stdout]   --> src/x11/mod.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn get_screen(connection: &X11Connection, screen_num: X11ScreenNum) -> &X11Screen {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/x11/mod.rs:101:16
[INFO] [stdout]     |
[INFO] [stdout] 101 |         pub fn new(
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_wm_class`
[INFO] [stdout]    --> src/x11/mod.rs:117:16
[INFO] [stdout]     |
[INFO] [stdout] 117 |         pub fn get_wm_class(&self) -> Option<String> {
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_wm_class_instance`
[INFO] [stdout]    --> src/x11/mod.rs:129:16
[INFO] [stdout]     |
[INFO] [stdout] 129 |         pub fn get_wm_class_instance(&self) -> Option<String> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_subwindows`
[INFO] [stdout]    --> src/x11/mod.rs:140:16
[INFO] [stdout]     |
[INFO] [stdout] 140 |         pub fn get_subwindows(&self, connection: &X11Connection) -> X11Result<Vec<X11Window>> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `destroy`
[INFO] [stdout]    --> src/x11/mod.rs:148:16
[INFO] [stdout]     |
[INFO] [stdout] 148 |         pub fn destroy(&self, connection: &X11Connection) -> X11Result<()> {
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `destroy_subwindows`
[INFO] [stdout]    --> src/x11/mod.rs:156:16
[INFO] [stdout]     |
[INFO] [stdout] 156 |         pub fn destroy_subwindows(&self, connection: &X11Connection) -> X11Result<()> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unmap`
[INFO] [stdout]    --> src/x11/mod.rs:163:16
[INFO] [stdout]     |
[INFO] [stdout] 163 |         pub fn unmap(&self, connection: &X11Connection) -> X11Result<()> {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `map`
[INFO] [stdout]    --> src/x11/mod.rs:170:16
[INFO] [stdout]     |
[INFO] [stdout] 170 |         pub fn map(&self, connection: &X11Connection) -> X11Result<()> {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `map_subwindows`
[INFO] [stdout]    --> src/x11/mod.rs:177:16
[INFO] [stdout]     |
[INFO] [stdout] 177 |         pub fn map_subwindows(&self, connection: &X11Connection) -> X11Result<()> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unmap_subwindows`
[INFO] [stdout]    --> src/x11/mod.rs:184:16
[INFO] [stdout]     |
[INFO] [stdout] 184 |         pub fn unmap_subwindows(&self, connection: &X11Connection) -> X11Result<()> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `query_tree_reply_to_windows`
[INFO] [stdout]    --> src/x11/mod.rs:193:8
[INFO] [stdout]     |
[INFO] [stdout] 193 |     fn query_tree_reply_to_windows(connection: &X11Connection, reply: QueryTreeReply, show_mapped_windows: bool) -> X11Result<Vec<X11Wind...
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_all_windows`
[INFO] [stdout]    --> src/x11/mod.rs:233:12
[INFO] [stdout]     |
[INFO] [stdout] 233 |     pub fn get_all_windows(connection: &X11Connection, screen: &X11Screen) -> X11Result<Vec<X11Window>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_unmapped_windows`
[INFO] [stdout]    --> src/x11/mod.rs:241:12
[INFO] [stdout]     |
[INFO] [stdout] 241 |     pub fn get_unmapped_windows(connection: &X11Connection, screen: &X11Screen) -> X11Result<Vec<X11Window>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.10s
[INFO] running `Command { std: "docker" "inspect" "8c492d515d9c5ba31ac4b3447f4580c51dfc3740b6b6fc64020be3e3ef69c65e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c492d515d9c5ba31ac4b3447f4580c51dfc3740b6b6fc64020be3e3ef69c65e", kill_on_drop: false }`
[INFO] [stdout] 8c492d515d9c5ba31ac4b3447f4580c51dfc3740b6b6fc64020be3e3ef69c65e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5f0409b71eb6a6bc8ae447a6b3f5f83b2dfd416272626e38f156378dbdcaa6a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c5f0409b71eb6a6bc8ae447a6b3f5f83b2dfd416272626e38f156378dbdcaa6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling yogawm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `x11::prelude::*`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use x11::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `x11::connect`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use x11::connect;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `x11::screens::get_screen`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use x11::screens::get_screen;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `x11::windows::get_all_windows`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use x11::windows::get_all_windows;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `X11Connection`
[INFO] [stdout]   --> src/x11/mod.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub type X11Connection = impl X11RawConnection + X11RequestConnection + X11ConnectionExt + Send + Sync;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `X11Result`
[INFO] [stdout]   --> src/x11/mod.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub type X11Result<T> = Result<T, X11Error>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `connect`
[INFO] [stdout]   --> src/x11/mod.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn connect() -> X11Result<(X11Connection, self::screens::X11ScreenNum)> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `X11ScreenNum`
[INFO] [stdout]   --> src/x11/mod.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub type X11ScreenNum = usize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_all_screens`
[INFO] [stdout]   --> src/x11/mod.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn get_all_screens(connection: &X11Connection) -> &Vec<X11Screen> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_screen`
[INFO] [stdout]   --> src/x11/mod.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn get_screen(connection: &X11Connection, screen_num: X11ScreenNum) -> &X11Screen {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/x11/mod.rs:101:16
[INFO] [stdout]     |
[INFO] [stdout] 101 |         pub fn new(
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_wm_class`
[INFO] [stdout]    --> src/x11/mod.rs:117:16
[INFO] [stdout]     |
[INFO] [stdout] 117 |         pub fn get_wm_class(&self) -> Option<String> {
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_wm_class_instance`
[INFO] [stdout]    --> src/x11/mod.rs:129:16
[INFO] [stdout]     |
[INFO] [stdout] 129 |         pub fn get_wm_class_instance(&self) -> Option<String> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_subwindows`
[INFO] [stdout]    --> src/x11/mod.rs:140:16
[INFO] [stdout]     |
[INFO] [stdout] 140 |         pub fn get_subwindows(&self, connection: &X11Connection) -> X11Result<Vec<X11Window>> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `destroy`
[INFO] [stdout]    --> src/x11/mod.rs:148:16
[INFO] [stdout]     |
[INFO] [stdout] 148 |         pub fn destroy(&self, connection: &X11Connection) -> X11Result<()> {
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `destroy_subwindows`
[INFO] [stdout]    --> src/x11/mod.rs:156:16
[INFO] [stdout]     |
[INFO] [stdout] 156 |         pub fn destroy_subwindows(&self, connection: &X11Connection) -> X11Result<()> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unmap`
[INFO] [stdout]    --> src/x11/mod.rs:163:16
[INFO] [stdout]     |
[INFO] [stdout] 163 |         pub fn unmap(&self, connection: &X11Connection) -> X11Result<()> {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `map`
[INFO] [stdout]    --> src/x11/mod.rs:170:16
[INFO] [stdout]     |
[INFO] [stdout] 170 |         pub fn map(&self, connection: &X11Connection) -> X11Result<()> {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `map_subwindows`
[INFO] [stdout]    --> src/x11/mod.rs:177:16
[INFO] [stdout]     |
[INFO] [stdout] 177 |         pub fn map_subwindows(&self, connection: &X11Connection) -> X11Result<()> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unmap_subwindows`
[INFO] [stdout]    --> src/x11/mod.rs:184:16
[INFO] [stdout]     |
[INFO] [stdout] 184 |         pub fn unmap_subwindows(&self, connection: &X11Connection) -> X11Result<()> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `query_tree_reply_to_windows`
[INFO] [stdout]    --> src/x11/mod.rs:193:8
[INFO] [stdout]     |
[INFO] [stdout] 193 |     fn query_tree_reply_to_windows(connection: &X11Connection, reply: QueryTreeReply, show_mapped_windows: bool) -> X11Result<Vec<X11Wind...
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_all_windows`
[INFO] [stdout]    --> src/x11/mod.rs:233:12
[INFO] [stdout]     |
[INFO] [stdout] 233 |     pub fn get_all_windows(connection: &X11Connection, screen: &X11Screen) -> X11Result<Vec<X11Window>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_unmapped_windows`
[INFO] [stdout]    --> src/x11/mod.rs:241:12
[INFO] [stdout]     |
[INFO] [stdout] 241 |     pub fn get_unmapped_windows(connection: &X11Connection, screen: &X11Screen) -> X11Result<Vec<X11Window>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "c5f0409b71eb6a6bc8ae447a6b3f5f83b2dfd416272626e38f156378dbdcaa6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5f0409b71eb6a6bc8ae447a6b3f5f83b2dfd416272626e38f156378dbdcaa6a", kill_on_drop: false }`
[INFO] [stdout] c5f0409b71eb6a6bc8ae447a6b3f5f83b2dfd416272626e38f156378dbdcaa6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9b792c3695d5edd97cfcf9b490f2eb5f50d88c46d376c6de219078eada4b134d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9b792c3695d5edd97cfcf9b490f2eb5f50d88c46d376c6de219078eada4b134d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `x11::prelude::*`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use x11::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `x11::connect`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use x11::connect;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `x11::screens::get_screen`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use x11::screens::get_screen;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `x11::windows::get_all_windows`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use x11::windows::get_all_windows;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `X11Connection`
[INFO] [stderr]   --> src/x11/mod.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub type X11Connection = impl X11RawConnection + X11RequestConnection + X11ConnectionExt + Send + Sync;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `X11Result`
[INFO] [stderr]   --> src/x11/mod.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub type X11Result<T> = Result<T, X11Error>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `connect`
[INFO] [stderr]   --> src/x11/mod.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn connect() -> X11Result<(X11Connection, self::screens::X11ScreenNum)> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `X11ScreenNum`
[INFO] [stderr]   --> src/x11/mod.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub type X11ScreenNum = usize;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_all_screens`
[INFO] [stderr]   --> src/x11/mod.rs:58:12
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn get_all_screens(connection: &X11Connection) -> &Vec<X11Screen> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_screen`
[INFO] [stderr]   --> src/x11/mod.rs:63:12
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn get_screen(connection: &X11Connection, screen_num: X11ScreenNum) -> &X11Screen {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/x11/mod.rs:101:16
[INFO] [stderr]     |
[INFO] [stderr] 101 |         pub fn new(
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_wm_class`
[INFO] [stderr]    --> src/x11/mod.rs:117:16
[INFO] [stderr]     |
[INFO] [stderr] 117 |         pub fn get_wm_class(&self) -> Option<String> {
[INFO] [stderr]     |                ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_wm_class_instance`
[INFO] [stderr]    --> src/x11/mod.rs:129:16
[INFO] [stderr]     |
[INFO] [stderr] 129 |         pub fn get_wm_class_instance(&self) -> Option<String> {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_subwindows`
[INFO] [stderr]    --> src/x11/mod.rs:140:16
[INFO] [stderr]     |
[INFO] [stderr] 140 |         pub fn get_subwindows(&self, connection: &X11Connection) -> X11Result<Vec<X11Window>> {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `destroy`
[INFO] [stderr]    --> src/x11/mod.rs:148:16
[INFO] [stderr]     |
[INFO] [stderr] 148 |         pub fn destroy(&self, connection: &X11Connection) -> X11Result<()> {
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `destroy_subwindows`
[INFO] [stderr]    --> src/x11/mod.rs:156:16
[INFO] [stderr]     |
[INFO] [stderr] 156 |         pub fn destroy_subwindows(&self, connection: &X11Connection) -> X11Result<()> {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unmap`
[INFO] [stderr]    --> src/x11/mod.rs:163:16
[INFO] [stderr]     |
[INFO] [stderr] 163 |         pub fn unmap(&self, connection: &X11Connection) -> X11Result<()> {
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `map`
[INFO] [stderr]    --> src/x11/mod.rs:170:16
[INFO] [stderr]     |
[INFO] [stderr] 170 |         pub fn map(&self, connection: &X11Connection) -> X11Result<()> {
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `map_subwindows`
[INFO] [stderr]    --> src/x11/mod.rs:177:16
[INFO] [stderr]     |
[INFO] [stderr] 177 |         pub fn map_subwindows(&self, connection: &X11Connection) -> X11Result<()> {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unmap_subwindows`
[INFO] [stderr]    --> src/x11/mod.rs:184:16
[INFO] [stderr]     |
[INFO] [stderr] 184 |         pub fn unmap_subwindows(&self, connection: &X11Connection) -> X11Result<()> {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `query_tree_reply_to_windows`
[INFO] [stderr]    --> src/x11/mod.rs:193:8
[INFO] [stderr]     |
[INFO] [stderr] 193 |     fn query_tree_reply_to_windows(connection: &X11Connection, reply: QueryTreeReply, show_mapped_windows: bool) -> X11Result<Vec<X11Wind...
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_all_windows`
[INFO] [stderr]    --> src/x11/mod.rs:233:12
[INFO] [stderr]     |
[INFO] [stderr] 233 |     pub fn get_all_windows(connection: &X11Connection, screen: &X11Screen) -> X11Result<Vec<X11Window>> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_unmapped_windows`
[INFO] [stderr]    --> src/x11/mod.rs:241:12
[INFO] [stderr]     |
[INFO] [stderr] 241 |     pub fn get_unmapped_windows(connection: &X11Connection, screen: &X11Screen) -> X11Result<Vec<X11Window>> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `yogawm` (bin "yogawm" test) generated 23 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yogawm-175c6cf2f4965e15)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9b792c3695d5edd97cfcf9b490f2eb5f50d88c46d376c6de219078eada4b134d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b792c3695d5edd97cfcf9b490f2eb5f50d88c46d376c6de219078eada4b134d", kill_on_drop: false }`
[INFO] [stdout] 9b792c3695d5edd97cfcf9b490f2eb5f50d88c46d376c6de219078eada4b134d