[INFO] cloning repository https://github.com/Callum-Irving/minimal-rust-x11-wm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Callum-Irving/minimal-rust-x11-wm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCallum-Irving%2Fminimal-rust-x11-wm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCallum-Irving%2Fminimal-rust-x11-wm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b081d9a23328cc4c4e2b642be35870c25ee7d93e
[INFO] checking Callum-Irving/minimal-rust-x11-wm against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCallum-Irving%2Fminimal-rust-x11-wm" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Callum-Irving/minimal-rust-x11-wm
[INFO] finished tweaking git repo https://github.com/Callum-Irving/minimal-rust-x11-wm
[INFO] tweaked toml for git repo https://github.com/Callum-Irving/minimal-rust-x11-wm written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Callum-Irving/minimal-rust-x11-wm on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Callum-Irving/minimal-rust-x11-wm 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "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 ...
[INFO] [stderr]   Downloaded cc v1.0.70
[INFO] [stderr]   Downloaded simple_logger v1.13.0
[INFO] [stderr]   Downloaded winapi-wsapoll v0.1.1
[INFO] [stderr]   Downloaded gethostname v0.2.1
[INFO] [stderr]   Downloaded colored v1.9.3
[INFO] [stderr]   Downloaded nix v0.22.1
[INFO] [stderr]   Downloaded libc v0.2.101
[INFO] [stderr]   Downloaded x11rb v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2325374e0807cecc43ca55525616cb2826ee3380f23e98d26d72afa1dc5a51bf
[INFO] running `Command { std: "docker" "start" "-a" "2325374e0807cecc43ca55525616cb2826ee3380f23e98d26d72afa1dc5a51bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2325374e0807cecc43ca55525616cb2826ee3380f23e98d26d72afa1dc5a51bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2325374e0807cecc43ca55525616cb2826ee3380f23e98d26d72afa1dc5a51bf", kill_on_drop: false }`
[INFO] [stdout] 2325374e0807cecc43ca55525616cb2826ee3380f23e98d26d72afa1dc5a51bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f81c9365cf5bde1f1579c93c9ab34aa328068469071d9f408ecc03edd5d7fa6
[INFO] running `Command { std: "docker" "start" "-a" "9f81c9365cf5bde1f1579c93c9ab34aa328068469071d9f408ecc03edd5d7fa6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking nix v0.22.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking simple_logger v1.13.0
[INFO] [stderr]     Checking x11rb v0.9.0
[INFO] [stderr]     Checking window-manager v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]    --> src/main.rs:304:35
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn handle_enter_notify(&self, event: EnterNotifyEvent) {}
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]    --> src/main.rs:306:35
[INFO] [stdout]     |
[INFO] [stdout] 306 |     fn handle_button_press(&self, event: ButtonPressEvent) {}
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]    --> src/main.rs:308:37
[INFO] [stdout]     |
[INFO] [stdout] 308 |     fn handle_button_release(&self, event: ButtonReleaseEvent) {}
[INFO] [stdout]     |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]    --> src/main.rs:313:36
[INFO] [stdout]     |
[INFO] [stdout] 313 |     fn handle_motion_notify(&self, event: MotionNotifyEvent) {}
[INFO] [stdout]     |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x`, `y`, `w`, `h`, and `border_width` are never read
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Client {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 26 |     window: Window,
[INFO] [stdout] 27 |     x: i16,
[INFO] [stdout]    |     ^
[INFO] [stdout] 28 |     y: i16,
[INFO] [stdout]    |     ^
[INFO] [stdout] 29 |     w: u16,
[INFO] [stdout]    |     ^
[INFO] [stdout] 30 |     h: u16,
[INFO] [stdout]    |     ^
[INFO] [stdout] 31 |     border_width: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Client` has a derived impl for the trait `Debug`, but this is 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: unused variable: `event`
[INFO] [stdout]    --> src/main.rs:304:35
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn handle_enter_notify(&self, event: EnterNotifyEvent) {}
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]    --> src/main.rs:306:35
[INFO] [stdout]     |
[INFO] [stdout] 306 |     fn handle_button_press(&self, event: ButtonPressEvent) {}
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]    --> src/main.rs:308:37
[INFO] [stdout]     |
[INFO] [stdout] 308 |     fn handle_button_release(&self, event: ButtonReleaseEvent) {}
[INFO] [stdout]     |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]    --> src/main.rs:313:36
[INFO] [stdout]     |
[INFO] [stdout] 313 |     fn handle_motion_notify(&self, event: MotionNotifyEvent) {}
[INFO] [stdout]     |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x`, `y`, `w`, `h`, and `border_width` are never read
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Client {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 26 |     window: Window,
[INFO] [stdout] 27 |     x: i16,
[INFO] [stdout]    |     ^
[INFO] [stdout] 28 |     y: i16,
[INFO] [stdout]    |     ^
[INFO] [stdout] 29 |     w: u16,
[INFO] [stdout]    |     ^
[INFO] [stdout] 30 |     h: u16,
[INFO] [stdout]    |     ^
[INFO] [stdout] 31 |     border_width: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Client` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.94s
[INFO] running `Command { std: "docker" "inspect" "9f81c9365cf5bde1f1579c93c9ab34aa328068469071d9f408ecc03edd5d7fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f81c9365cf5bde1f1579c93c9ab34aa328068469071d9f408ecc03edd5d7fa6", kill_on_drop: false }`
[INFO] [stdout] 9f81c9365cf5bde1f1579c93c9ab34aa328068469071d9f408ecc03edd5d7fa6