[INFO] cloning repository https://github.com/gardesk/garbar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gardesk/garbar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgardesk%2Fgarbar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgardesk%2Fgarbar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3af0f0b6fc4dea88f5674e8994fe6888c7a7ef8
[INFO] checking gardesk/garbar against master#eeb94be79adc9df7a09ad0b2421f16e60e6d932c for pr-152971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgardesk%2Fgarbar" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gardesk/garbar
[INFO] finished tweaking git repo https://github.com/gardesk/garbar
[INFO] tweaked toml for git repo https://github.com/gardesk/garbar written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gardesk/garbar on toolchain eeb94be79adc9df7a09ad0b2421f16e60e6d932c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gardesk/garbar 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" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 685791606f44e7dc36edc9eeea1bcb73a395d130b1489a10b3baa8ebe820037d
[INFO] running `Command { std: "docker" "start" "-a" "685791606f44e7dc36edc9eeea1bcb73a395d130b1489a10b3baa8ebe820037d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "685791606f44e7dc36edc9eeea1bcb73a395d130b1489a10b3baa8ebe820037d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "685791606f44e7dc36edc9eeea1bcb73a395d130b1489a10b3baa8ebe820037d", kill_on_drop: false }`
[INFO] [stdout] 685791606f44e7dc36edc9eeea1bcb73a395d130b1489a10b3baa8ebe820037d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5731413db992cbfc41feaa984b698f80631ac948d9c2804595a44cf00b403880
[INFO] running `Command { std: "docker" "start" "-a" "5731413db992cbfc41feaa984b698f80631ac948d9c2804595a44cf00b403880", kill_on_drop: false }`
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[INFO] [stderr]     Checking toml_edit v0.22.27
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[INFO] [stderr]     Checking garbarctl v0.2.0 (/opt/rustwide/workdir/garbarctl)
[INFO] [stderr]     Checking toml v0.8.23
[INFO] [stderr]     Checking x11rb v0.13.2
[INFO] [stderr]     Checking zbus_names v3.0.0
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[INFO] [stderr]     Checking zbus v4.4.0
[INFO] [stderr]     Checking mlua v0.10.5
[INFO] [stderr]     Checking cairo-rs v0.20.12
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[INFO] [stderr]     Checking pangocairo v0.20.10
[INFO] [stderr]     Checking garbar v0.2.0 (/opt/rustwide/workdir/garbar)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> garbar/src/modules/workspaces.rs:213:13
[INFO] [stdout]     |
[INFO] [stdout] 134 | /             loop {
[INFO] [stdout] 135 | |                 // Connect to socket
[INFO] [stdout] 136 | |                 let mut stream = match UnixStream::connect(&socket_path) {
[INFO] [stdout] 137 | |                     Ok(s) => s,
[INFO] [stdout] ...   |
[INFO] [stdout] 210 | |             }
[INFO] [stdout]     | |_____________- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 213 | /             if let Ok(mut s) = subscribed.lock() {
[INFO] [stdout] 214 | |                 *s = false;
[INFO] [stdout] 215 | |             }
[INFO] [stdout]     | |_____________^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> garbar/src/modules/workspaces.rs:213:13
[INFO] [stdout]     |
[INFO] [stdout] 134 | /             loop {
[INFO] [stdout] 135 | |                 // Connect to socket
[INFO] [stdout] 136 | |                 let mut stream = match UnixStream::connect(&socket_path) {
[INFO] [stdout] 137 | |                     Ok(s) => s,
[INFO] [stdout] ...   |
[INFO] [stdout] 210 | |             }
[INFO] [stdout]     | |_____________- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 213 | /             if let Ok(mut s) = subscribed.lock() {
[INFO] [stdout] 214 | |                 *s = false;
[INFO] [stdout] 215 | |             }
[INFO] [stdout]     | |_____________^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `module_name`
[INFO] [stdout]     --> garbar/src/daemon/state.rs:1086:14
[INFO] [stdout]      |
[INFO] [stdout] 1086 |         for (module_name, output) in order_right.iter().zip(right_outputs.iter()) {
[INFO] [stdout]      |              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_module_name`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_idx`
[INFO] [stdout]     --> garbar/src/daemon/state.rs:1087:18
[INFO] [stdout]      |
[INFO] [stdout] 1087 |             for (block_idx, block) in output.blocks.iter().enumerate() {
[INFO] [stdout]      |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `module_name`
[INFO] [stdout]     --> garbar/src/daemon/state.rs:1086:14
[INFO] [stdout]      |
[INFO] [stdout] 1086 |         for (module_name, output) in order_right.iter().zip(right_outputs.iter()) {
[INFO] [stdout]      |              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_module_name`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_idx`
[INFO] [stdout]     --> garbar/src/daemon/state.rs:1087:18
[INFO] [stdout]      |
[INFO] [stdout] 1087 |             for (block_idx, block) in output.blocks.iter().enumerate() {
[INFO] [stdout]      |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `subscribed` is never read
[INFO] [stdout]    --> garbar/src/modules/workspaces.rs:213:32
[INFO] [stdout]     |
[INFO] [stdout] 213 |             if let Ok(mut s) = subscribed.lock() {
[INFO] [stdout]     |                                ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: did you mean to capture by reference instead?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subscribed`
[INFO] [stdout]    --> garbar/src/modules/workspaces.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let subscribed = Arc::clone(&self.subscribed);
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subscribed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `subscribed` is never read
[INFO] [stdout]    --> garbar/src/modules/workspaces.rs:213:32
[INFO] [stdout]     |
[INFO] [stdout] 213 |             if let Ok(mut s) = subscribed.lock() {
[INFO] [stdout]     |                                ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: did you mean to capture by reference instead?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subscribed`
[INFO] [stdout]    --> garbar/src/modules/workspaces.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let subscribed = Arc::clone(&self.subscribed);
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subscribed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width` and `height` are never read
[INFO] [stdout]   --> garbar/src/modules/tray/xembed.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct TrayIcon {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 63 |     window: Window,
[INFO] [stdout] 64 |     width: u16,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 65 |     height: u16,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TrayIcon` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `xembed_info` is never read
[INFO] [stdout]   --> garbar/src/modules/tray/xembed.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | struct TrayAtoms {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 78 |     xembed_info: Atom,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TrayAtoms` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `screen_num` is never read
[INFO] [stdout]    --> garbar/src/modules/tray/xembed.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub struct TrayManager {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 131 |     conn: Arc<RustConnection>,
[INFO] [stdout] 132 |     screen_num: usize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width` and `height` are never read
[INFO] [stdout]   --> garbar/src/modules/tray/xembed.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct TrayIcon {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 63 |     window: Window,
[INFO] [stdout] 64 |     width: u16,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 65 |     height: u16,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TrayIcon` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `xembed_info` is never read
[INFO] [stdout]   --> garbar/src/modules/tray/xembed.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | struct TrayAtoms {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 78 |     xembed_info: Atom,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TrayAtoms` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `screen_num` is never read
[INFO] [stdout]    --> garbar/src/modules/tray/xembed.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub struct TrayManager {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 131 |     conn: Arc<RustConnection>,
[INFO] [stdout] 132 |     screen_num: usize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "5731413db992cbfc41feaa984b698f80631ac948d9c2804595a44cf00b403880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5731413db992cbfc41feaa984b698f80631ac948d9c2804595a44cf00b403880", kill_on_drop: false }`
[INFO] [stdout] 5731413db992cbfc41feaa984b698f80631ac948d9c2804595a44cf00b403880