Oct 13 05:34:28.125 INFO checking AnthonyP4312/i3-alt-tab against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 05:34:28.125 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 05:34:28.526 INFO blam! 989ec0866f21016082fbeb7b4c0d99459f58a9851158f9b2cc857b3534a3e26a
Oct 13 05:34:28.528 INFO running `"docker" "start" "-a" "989ec0866f21016082fbeb7b4c0d99459f58a9851158f9b2cc857b3534a3e26a"`
Oct 13 05:34:29.984 INFO kablam! usermod: no changes
Oct 13 05:34:30.092 INFO kablam!     Checking alt_tabber v0.1.0 (/source)
Oct 13 05:34:33.724 INFO kablam! warning: unused variable: `child_c`
Oct 13 05:34:33.724 INFO kablam!   --> src/main.rs:85:13
Oct 13 05:34:33.724 INFO kablam!    |
Oct 13 05:34:33.724 INFO kablam! 85 |         let child_c = Node {
Oct 13 05:34:33.724 INFO kablam!    |             ^^^^^^^ help: consider using `_child_c` instead
Oct 13 05:34:33.724 INFO kablam!    |
Oct 13 05:34:33.724 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 05:34:33.724 INFO kablam! 
Oct 13 05:34:33.724 INFO kablam! warning: unused variable: `node_with_children`
Oct 13 05:34:33.724 INFO kablam!   --> src/main.rs:89:13
Oct 13 05:34:33.724 INFO kablam!    |
Oct 13 05:34:33.724 INFO kablam! 89 |         let node_with_children = Node {
Oct 13 05:34:33.724 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^ help: consider using `_node_with_children` instead
Oct 13 05:34:33.724 INFO kablam! 
Oct 13 05:34:33.724 INFO kablam! warning: function is never used: `setup`
Oct 13 05:34:33.724 INFO kablam!   --> src/main.rs:67:5
Oct 13 05:34:33.724 INFO kablam!    |
Oct 13 05:34:33.724 INFO kablam! 67 |     fn setup() {
Oct 13 05:34:33.724 INFO kablam!    |     ^^^^^^^^^^
Oct 13 05:34:33.725 INFO kablam!    |
Oct 13 05:34:33.725 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 05:34:33.725 INFO kablam! 
Oct 13 05:34:33.736 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 05:34:33.736 INFO kablam!   --> src/main.rs:39:5
Oct 13 05:34:33.736 INFO kablam!    |
Oct 13 05:34:33.736 INFO kablam! 39 | /     Command::new("i3-msg")
Oct 13 05:34:33.736 INFO kablam! 40 | |         .arg(format!("[con_id={}] focus", next.id))
Oct 13 05:34:33.736 INFO kablam! 41 | |         .output();
Oct 13 05:34:33.736 INFO kablam!    | |__________________^
Oct 13 05:34:33.736 INFO kablam!    |
Oct 13 05:34:33.736 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 05:34:33.736 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 05:34:33.736 INFO kablam! 
Oct 13 05:34:33.904 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 05:34:33.904 INFO kablam!   --> src/main.rs:39:5
Oct 13 05:34:33.904 INFO kablam!    |
Oct 13 05:34:33.904 INFO kablam! 39 | /     Command::new("i3-msg")
Oct 13 05:34:33.904 INFO kablam! 40 | |         .arg(format!("[con_id={}] focus", next.id))
Oct 13 05:34:33.904 INFO kablam! 41 | |         .output();
Oct 13 05:34:33.904 INFO kablam!    | |__________________^
Oct 13 05:34:33.904 INFO kablam!    |
Oct 13 05:34:33.904 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 05:34:33.904 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 05:34:33.904 INFO kablam! 
Oct 13 05:34:33.935 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.93s
Oct 13 05:34:33.948 INFO kablam! su: No module specific data is present
Oct 13 05:34:34.873 INFO running `"docker" "rm" "-f" "989ec0866f21016082fbeb7b4c0d99459f58a9851158f9b2cc857b3534a3e26a"`
Oct 13 05:34:35.144 INFO blam! 989ec0866f21016082fbeb7b4c0d99459f58a9851158f9b2cc857b3534a3e26a