[INFO] cloning repository https://github.com/ffkjjj/windows_switcher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ffkjjj/windows_switcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffkjjj%2Fwindows_switcher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffkjjj%2Fwindows_switcher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b6d44f93da45c390d838f400c4c30b9d320d094
[INFO] linting ffkjjj/windows_switcher against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffkjjj%2Fwindows_switcher" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ffkjjj/windows_switcher
[INFO] finished tweaking git repo https://github.com/ffkjjj/windows_switcher
[INFO] tweaked toml for git repo https://github.com/ffkjjj/windows_switcher written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ffkjjj/windows_switcher on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ffkjjj/windows_switcher already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d561afe4111819e8c98ee4ae9fbbfc29d46c356a58b49cec6893a3d8098efc60
[INFO] running `Command { std: "docker" "start" "-a" "d561afe4111819e8c98ee4ae9fbbfc29d46c356a58b49cec6893a3d8098efc60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d561afe4111819e8c98ee4ae9fbbfc29d46c356a58b49cec6893a3d8098efc60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d561afe4111819e8c98ee4ae9fbbfc29d46c356a58b49cec6893a3d8098efc60", kill_on_drop: false }`
[INFO] [stdout] d561afe4111819e8c98ee4ae9fbbfc29d46c356a58b49cec6893a3d8098efc60
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8705d62a704f67f392c6973428b29f7e2ec8d3742b21253fa2aceddc9a84339
[INFO] running `Command { std: "docker" "start" "-a" "b8705d62a704f67f392c6973428b29f7e2ec8d3742b21253fa2aceddc9a84339", kill_on_drop: false }`
[INFO] [stderr]    Compiling windows_x86_64_gnu v0.52.6
[INFO] [stderr]     Checking windows-targets v0.52.6
[INFO] [stderr]     Checking windows-result v0.1.2
[INFO] [stderr]     Checking windows-core v0.54.0
[INFO] [stderr]     Checking windows v0.54.0
[INFO] [stderr]     Checking window_switcher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |         if !RegisterHotKey(hwnd, HOTKEY_LEFT, MOD_ALT | MOD_SHIFT, 'H' as u32).is_ok() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `RegisterHotKey(hwnd, HOTKEY_LEFT, MOD_ALT | MOD_SHIFT, 'H' as u32).is_err()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |         if !RegisterHotKey(hwnd, HOTKEY_RIGHT, MOD_ALT | MOD_SHIFT, 'L' as u32).is_ok() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `RegisterHotKey(hwnd, HOTKEY_RIGHT, MOD_ALT | MOD_SHIFT, 'L' as u32).is_err()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 |     if !GetWindowRect(current, &mut current_rect).is_ok() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `GetWindowRect(current, &mut current_rect).is_err()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |         if !RegisterHotKey(hwnd, HOTKEY_LEFT, MOD_ALT | MOD_SHIFT, 'H' as u32).is_ok() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `RegisterHotKey(hwnd, HOTKEY_LEFT, MOD_ALT | MOD_SHIFT, 'H' as u32).is_err()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |         if !RegisterHotKey(hwnd, HOTKEY_RIGHT, MOD_ALT | MOD_SHIFT, 'L' as u32).is_ok() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `RegisterHotKey(hwnd, HOTKEY_RIGHT, MOD_ALT | MOD_SHIFT, 'L' as u32).is_err()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 |     if !GetWindowRect(current, &mut current_rect).is_ok() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `GetWindowRect(current, &mut current_rect).is_err()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unsafe function's docs are missing a `# Safety` section
[INFO] [stdout]    --> src/main.rs:109:1
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub unsafe fn is_real_user_window(hwnd: HWND) -> bool {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#missing_safety_doc
[INFO] [stdout]     = note: `#[warn(clippy::missing_safety_doc)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/main.rs:185:16
[INFO] [stdout]     |
[INFO] [stdout] 185 |             if !Process32NextW(snapshot, &mut pe).is_ok() {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Process32NextW(snapshot, &mut pe).is_err()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unsafe function's docs are missing a `# Safety` section
[INFO] [stdout]    --> src/main.rs:109:1
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub unsafe fn is_real_user_window(hwnd: HWND) -> bool {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#missing_safety_doc
[INFO] [stdout]     = note: `#[warn(clippy::missing_safety_doc)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/main.rs:185:16
[INFO] [stdout]     |
[INFO] [stdout] 185 |             if !Process32NextW(snapshot, &mut pe).is_ok() {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Process32NextW(snapshot, &mut pe).is_err()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         UnregisterHotKey(HWND(0), HOTKEY_LEFT);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let _ = UnregisterHotKey(HWND(0), HOTKEY_LEFT);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         UnregisterHotKey(HWND(0), HOTKEY_RIGHT);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let _ = UnregisterHotKey(HWND(0), HOTKEY_RIGHT);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | /     EnumWindows(
[INFO] [stdout] 64 | |         Some(enum_windows_proc),
[INFO] [stdout] 65 | |         LPARAM(&mut windows as *mut _ as isize),
[INFO] [stdout] 66 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let _ = EnumWindows(
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         UnregisterHotKey(HWND(0), HOTKEY_LEFT);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let _ = UnregisterHotKey(HWND(0), HOTKEY_LEFT);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         UnregisterHotKey(HWND(0), HOTKEY_RIGHT);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let _ = UnregisterHotKey(HWND(0), HOTKEY_RIGHT);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | /     EnumWindows(
[INFO] [stdout] 64 | |         Some(enum_windows_proc),
[INFO] [stdout] 65 | |         LPARAM(&mut windows as *mut _ as isize),
[INFO] [stdout] 66 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let _ = EnumWindows(
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.91s
[INFO] running `Command { std: "docker" "inspect" "b8705d62a704f67f392c6973428b29f7e2ec8d3742b21253fa2aceddc9a84339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8705d62a704f67f392c6973428b29f7e2ec8d3742b21253fa2aceddc9a84339", kill_on_drop: false }`
[INFO] [stdout] b8705d62a704f67f392c6973428b29f7e2ec8d3742b21253fa2aceddc9a84339