Dec 02 09:27:51.723 INFO testing AnthonyP4312/i3-alt-tab against 1.30.1 for beta-1.31-5
Dec 02 09:27:51.724 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 09:27:52.137 INFO [stdout] 2eab28f83698cbcd708fd79e7fee9be699ec8b8c5925c7fe8f68a6d6e75972a0
Dec 02 09:27:52.139 INFO running `"docker" "start" "-a" "2eab28f83698cbcd708fd79e7fee9be699ec8b8c5925c7fe8f68a6d6e75972a0"`
Dec 02 09:27:53.048 INFO [stderr] usermod: no changes
Dec 02 09:27:53.115 INFO [stderr]    Compiling serde_json v1.0.21
Dec 02 09:27:57.106 INFO [stderr]    Compiling alt_tabber v0.1.0 (/source)
Dec 02 09:27:59.663 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 02 09:27:59.663 INFO [stderr]   --> src/main.rs:39:5
Dec 02 09:27:59.663 INFO [stderr]    |
Dec 02 09:27:59.663 INFO [stderr] 39 | /     Command::new("i3-msg")
Dec 02 09:27:59.663 INFO [stderr] 40 | |         .arg(format!("[con_id={}] focus", next.id))
Dec 02 09:27:59.663 INFO [stderr] 41 | |         .output();
Dec 02 09:27:59.663 INFO [stderr]    | |__________________^
Dec 02 09:27:59.663 INFO [stderr]    |
Dec 02 09:27:59.663 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 02 09:27:59.663 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 09:27:59.663 INFO [stderr] 
Dec 02 09:28:00.767 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.69s
Dec 02 09:28:00.771 INFO [stderr] su: No module specific data is present
Dec 02 09:28:01.118 INFO running `"docker" "inspect" "2eab28f83698cbcd708fd79e7fee9be699ec8b8c5925c7fe8f68a6d6e75972a0"`
Dec 02 09:28:01.308 INFO running `"docker" "rm" "-f" "2eab28f83698cbcd708fd79e7fee9be699ec8b8c5925c7fe8f68a6d6e75972a0"`
Dec 02 09:28:01.443 INFO [stdout] 2eab28f83698cbcd708fd79e7fee9be699ec8b8c5925c7fe8f68a6d6e75972a0
Dec 02 09:28:01.445 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 09:28:01.675 INFO [stdout] ec95e274412ac26e5f43191e16359e5c4a397f0a18a49303aee8373572acf06f
Dec 02 09:28:01.683 INFO running `"docker" "start" "-a" "ec95e274412ac26e5f43191e16359e5c4a397f0a18a49303aee8373572acf06f"`
Dec 02 09:28:02.211 INFO [stderr] usermod: no changes
Dec 02 09:28:02.262 INFO [stderr]    Compiling alt_tabber v0.1.0 (/source)
Dec 02 09:28:03.447 INFO [stderr] warning: unused variable: `child_c`
Dec 02 09:28:03.447 INFO [stderr]   --> src/main.rs:85:13
Dec 02 09:28:03.447 INFO [stderr]    |
Dec 02 09:28:03.447 INFO [stderr] 85 |         let child_c = Node {
Dec 02 09:28:03.447 INFO [stderr]    |             ^^^^^^^ help: consider using `_child_c` instead
Dec 02 09:28:03.447 INFO [stderr]    |
Dec 02 09:28:03.447 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 02 09:28:03.447 INFO [stderr] 
Dec 02 09:28:03.447 INFO [stderr] warning: unused variable: `node_with_children`
Dec 02 09:28:03.447 INFO [stderr]   --> src/main.rs:89:13
Dec 02 09:28:03.447 INFO [stderr]    |
Dec 02 09:28:03.447 INFO [stderr] 89 |         let node_with_children = Node {
Dec 02 09:28:03.447 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: consider using `_node_with_children` instead
Dec 02 09:28:03.447 INFO [stderr] 
Dec 02 09:28:03.455 INFO [stderr] warning: function is never used: `setup`
Dec 02 09:28:03.455 INFO [stderr]   --> src/main.rs:67:5
Dec 02 09:28:03.455 INFO [stderr]    |
Dec 02 09:28:03.455 INFO [stderr] 67 |     fn setup() {
Dec 02 09:28:03.455 INFO [stderr]    |     ^^^^^^^^^^
Dec 02 09:28:03.455 INFO [stderr]    |
Dec 02 09:28:03.455 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 02 09:28:03.455 INFO [stderr] 
Dec 02 09:28:03.462 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 02 09:28:03.462 INFO [stderr]   --> src/main.rs:39:5
Dec 02 09:28:03.462 INFO [stderr]    |
Dec 02 09:28:03.462 INFO [stderr] 39 | /     Command::new("i3-msg")
Dec 02 09:28:03.462 INFO [stderr] 40 | |         .arg(format!("[con_id={}] focus", next.id))
Dec 02 09:28:03.462 INFO [stderr] 41 | |         .output();
Dec 02 09:28:03.462 INFO [stderr]    | |__________________^
Dec 02 09:28:03.462 INFO [stderr]    |
Dec 02 09:28:03.462 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 02 09:28:03.462 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 09:28:03.462 INFO [stderr] 
Dec 02 09:28:03.926 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
Dec 02 09:28:03.930 INFO [stderr] su: No module specific data is present
Dec 02 09:28:04.309 INFO running `"docker" "inspect" "ec95e274412ac26e5f43191e16359e5c4a397f0a18a49303aee8373572acf06f"`
Dec 02 09:28:04.411 INFO running `"docker" "rm" "-f" "ec95e274412ac26e5f43191e16359e5c4a397f0a18a49303aee8373572acf06f"`
Dec 02 09:28:04.510 INFO [stdout] ec95e274412ac26e5f43191e16359e5c4a397f0a18a49303aee8373572acf06f
Dec 02 09:28:04.512 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 09:28:04.798 INFO [stdout] a55ee7726878807f52e9ffe8b716b73ec166199169bc56fb5219603ded166b21
Dec 02 09:28:04.800 INFO running `"docker" "start" "-a" "a55ee7726878807f52e9ffe8b716b73ec166199169bc56fb5219603ded166b21"`
Dec 02 09:28:05.363 INFO [stderr] usermod: no changes
Dec 02 09:28:05.415 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 02 09:28:05.415 INFO [stderr]      Running /target/debug/deps/alt_tabber-d1ce18bb62be00ff
Dec 02 09:28:05.419 INFO [stdout] 
Dec 02 09:28:05.419 INFO [stdout] running 0 tests
Dec 02 09:28:05.420 INFO [stdout] 
Dec 02 09:28:05.420 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 09:28:05.420 INFO [stdout] 
Dec 02 09:28:05.420 INFO [stderr]      Running /target/debug/deps/alt_tabber-c7bfaf873caa0e39
Dec 02 09:28:05.425 INFO [stdout] 
Dec 02 09:28:05.425 INFO [stdout] running 1 test
Dec 02 09:28:05.425 INFO [stdout] test test_flatten::flattens ... ok
Dec 02 09:28:05.425 INFO [stdout] 
Dec 02 09:28:05.425 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 09:28:05.425 INFO [stdout] 
Dec 02 09:28:05.425 INFO [stderr]    Doc-tests alt_tabber
Dec 02 09:28:06.590 INFO [stdout] 
Dec 02 09:28:06.590 INFO [stdout] running 0 tests
Dec 02 09:28:06.590 INFO [stdout] 
Dec 02 09:28:06.590 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 09:28:06.590 INFO [stdout] 
Dec 02 09:28:06.597 INFO [stderr] su: No module specific data is present
Dec 02 09:28:06.873 INFO running `"docker" "inspect" "a55ee7726878807f52e9ffe8b716b73ec166199169bc56fb5219603ded166b21"`
Dec 02 09:28:06.952 INFO running `"docker" "rm" "-f" "a55ee7726878807f52e9ffe8b716b73ec166199169bc56fb5219603ded166b21"`
Dec 02 09:28:07.064 INFO [stdout] a55ee7726878807f52e9ffe8b716b73ec166199169bc56fb5219603ded166b21
