Dec 05 03:27:17.556 INFO checking AnthonyP4312/i3-alt-tab against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 03:27:17.556 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 03:27:17.814 INFO [stdout] 15af9be970eed6c846f11708c3af590b7716d208f7287c1b0a76257d1bd2d4ef
Dec 05 03:27:17.821 INFO running `"docker" "start" "-a" "15af9be970eed6c846f11708c3af590b7716d208f7287c1b0a76257d1bd2d4ef"`
Dec 05 03:27:18.871 INFO [stderr] usermod: no changes
Dec 05 03:27:18.991 INFO [stderr]     Checking alt_tabber v0.1.0 (/source)
Dec 05 03:27:22.747 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:27:22.747 INFO [stderr]   --> src/main.rs:39:5
Dec 05 03:27:22.747 INFO [stderr]    |
Dec 05 03:27:22.747 INFO [stderr] 39 | /     Command::new("i3-msg")
Dec 05 03:27:22.747 INFO [stderr] 40 | |         .arg(format!("[con_id={}] focus", next.id))
Dec 05 03:27:22.747 INFO [stderr] 41 | |         .output();
Dec 05 03:27:22.747 INFO [stderr]    | |__________________^
Dec 05 03:27:22.747 INFO [stderr]    |
Dec 05 03:27:22.747 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 03:27:22.747 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:27:22.747 INFO [stderr] 
Dec 05 03:27:23.047 INFO [stderr] warning: unused variable: `child_c`
Dec 05 03:27:23.047 INFO [stderr]   --> src/main.rs:85:13
Dec 05 03:27:23.047 INFO [stderr]    |
Dec 05 03:27:23.047 INFO [stderr] 85 |         let child_c = Node {
Dec 05 03:27:23.047 INFO [stderr]    |             ^^^^^^^ help: consider using `_child_c` instead
Dec 05 03:27:23.047 INFO [stderr]    |
Dec 05 03:27:23.047 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 03:27:23.047 INFO [stderr] 
Dec 05 03:27:23.047 INFO [stderr] warning: unused variable: `node_with_children`
Dec 05 03:27:23.047 INFO [stderr]   --> src/main.rs:89:13
Dec 05 03:27:23.047 INFO [stderr]    |
Dec 05 03:27:23.047 INFO [stderr] 89 |         let node_with_children = Node {
Dec 05 03:27:23.047 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: consider using `_node_with_children` instead
Dec 05 03:27:23.047 INFO [stderr] 
Dec 05 03:27:23.055 INFO [stderr] warning: function is never used: `setup`
Dec 05 03:27:23.055 INFO [stderr]   --> src/main.rs:67:5
Dec 05 03:27:23.055 INFO [stderr]    |
Dec 05 03:27:23.055 INFO [stderr] 67 |     fn setup() {
Dec 05 03:27:23.055 INFO [stderr]    |     ^^^^^^^^^^
Dec 05 03:27:23.055 INFO [stderr]    |
Dec 05 03:27:23.055 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 03:27:23.055 INFO [stderr] 
Dec 05 03:27:23.055 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:27:23.055 INFO [stderr]   --> src/main.rs:39:5
Dec 05 03:27:23.055 INFO [stderr]    |
Dec 05 03:27:23.055 INFO [stderr] 39 | /     Command::new("i3-msg")
Dec 05 03:27:23.055 INFO [stderr] 40 | |         .arg(format!("[con_id={}] focus", next.id))
Dec 05 03:27:23.055 INFO [stderr] 41 | |         .output();
Dec 05 03:27:23.055 INFO [stderr]    | |__________________^
Dec 05 03:27:23.055 INFO [stderr]    |
Dec 05 03:27:23.055 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 03:27:23.055 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:27:23.055 INFO [stderr] 
Dec 05 03:27:23.079 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.17s
Dec 05 03:27:23.079 INFO [stderr] su: No module specific data is present
Dec 05 03:27:23.576 INFO running `"docker" "inspect" "15af9be970eed6c846f11708c3af590b7716d208f7287c1b0a76257d1bd2d4ef"`
Dec 05 03:27:23.825 INFO running `"docker" "rm" "-f" "15af9be970eed6c846f11708c3af590b7716d208f7287c1b0a76257d1bd2d4ef"`
Dec 05 03:27:24.029 INFO [stdout] 15af9be970eed6c846f11708c3af590b7716d208f7287c1b0a76257d1bd2d4ef