Dec 14 12:13:55.876 INFO testing AnthonyP4312/i3-alt-tab against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 12:13:55.876 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 14 12:13:56.291 INFO [stdout] 54dcb8707d4173bd2b8949e3b7f6c9d5fd254d4b9001bb9a37996c8d30212d66
Dec 14 12:13:56.295 INFO running `"docker" "start" "-a" "54dcb8707d4173bd2b8949e3b7f6c9d5fd254d4b9001bb9a37996c8d30212d66"`
Dec 14 12:13:57.394 INFO [stderr] usermod: no changes
Dec 14 12:13:57.499 INFO [stderr]    Compiling alt_tabber v0.1.0 (/source)
Dec 14 12:14:00.343 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:14:00.343 INFO [stderr]   --> src/main.rs:39:5
Dec 14 12:14:00.343 INFO [stderr]    |
Dec 14 12:14:00.343 INFO [stderr] 39 | /     Command::new("i3-msg")
Dec 14 12:14:00.343 INFO [stderr] 40 | |         .arg(format!("[con_id={}] focus", next.id))
Dec 14 12:14:00.343 INFO [stderr] 41 | |         .output();
Dec 14 12:14:00.343 INFO [stderr]    | |__________________^
Dec 14 12:14:00.343 INFO [stderr]    |
Dec 14 12:14:00.343 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 12:14:00.343 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:14:00.343 INFO [stderr] 
Dec 14 12:14:01.167 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.73s
Dec 14 12:14:01.170 INFO [stderr] su: No module specific data is present
Dec 14 12:14:01.466 INFO running `"docker" "inspect" "54dcb8707d4173bd2b8949e3b7f6c9d5fd254d4b9001bb9a37996c8d30212d66"`
Dec 14 12:14:01.609 INFO running `"docker" "rm" "-f" "54dcb8707d4173bd2b8949e3b7f6c9d5fd254d4b9001bb9a37996c8d30212d66"`
Dec 14 12:14:01.863 INFO [stdout] 54dcb8707d4173bd2b8949e3b7f6c9d5fd254d4b9001bb9a37996c8d30212d66
Dec 14 12:14:01.871 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 14 12:14:02.346 INFO [stdout] 3c2105b6fb9ccdc38cd0fe0fac16ec1e187bd13c5181178c6b7d87a259fc19c8
Dec 14 12:14:02.348 INFO running `"docker" "start" "-a" "3c2105b6fb9ccdc38cd0fe0fac16ec1e187bd13c5181178c6b7d87a259fc19c8"`
Dec 14 12:14:02.829 INFO [stderr] usermod: no changes
Dec 14 12:14:02.876 INFO [stderr]    Compiling alt_tabber v0.1.0 (/source)
Dec 14 12:14:04.111 INFO [stderr] warning: unused variable: `child_c`
Dec 14 12:14:04.111 INFO [stderr]   --> src/main.rs:85:13
Dec 14 12:14:04.111 INFO [stderr]    |
Dec 14 12:14:04.111 INFO [stderr] 85 |         let child_c = Node {
Dec 14 12:14:04.111 INFO [stderr]    |             ^^^^^^^ help: consider using `_child_c` instead
Dec 14 12:14:04.111 INFO [stderr]    |
Dec 14 12:14:04.111 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 12:14:04.111 INFO [stderr] 
Dec 14 12:14:04.111 INFO [stderr] warning: unused variable: `node_with_children`
Dec 14 12:14:04.111 INFO [stderr]   --> src/main.rs:89:13
Dec 14 12:14:04.111 INFO [stderr]    |
Dec 14 12:14:04.111 INFO [stderr] 89 |         let node_with_children = Node {
Dec 14 12:14:04.111 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: consider using `_node_with_children` instead
Dec 14 12:14:04.111 INFO [stderr] 
Dec 14 12:14:04.122 INFO [stderr] warning: function is never used: `setup`
Dec 14 12:14:04.122 INFO [stderr]   --> src/main.rs:67:5
Dec 14 12:14:04.122 INFO [stderr]    |
Dec 14 12:14:04.122 INFO [stderr] 67 |     fn setup() {
Dec 14 12:14:04.122 INFO [stderr]    |     ^^^^^^^^^^
Dec 14 12:14:04.122 INFO [stderr]    |
Dec 14 12:14:04.122 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 12:14:04.122 INFO [stderr] 
Dec 14 12:14:04.122 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:14:04.122 INFO [stderr]   --> src/main.rs:39:5
Dec 14 12:14:04.122 INFO [stderr]    |
Dec 14 12:14:04.122 INFO [stderr] 39 | /     Command::new("i3-msg")
Dec 14 12:14:04.122 INFO [stderr] 40 | |         .arg(format!("[con_id={}] focus", next.id))
Dec 14 12:14:04.122 INFO [stderr] 41 | |         .output();
Dec 14 12:14:04.122 INFO [stderr]    | |__________________^
Dec 14 12:14:04.122 INFO [stderr]    |
Dec 14 12:14:04.122 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 12:14:04.122 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:14:04.127 INFO [stderr] 
Dec 14 12:14:04.475 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
Dec 14 12:14:04.475 INFO [stderr] su: No module specific data is present
Dec 14 12:14:04.863 INFO running `"docker" "inspect" "3c2105b6fb9ccdc38cd0fe0fac16ec1e187bd13c5181178c6b7d87a259fc19c8"`
Dec 14 12:14:05.050 INFO running `"docker" "rm" "-f" "3c2105b6fb9ccdc38cd0fe0fac16ec1e187bd13c5181178c6b7d87a259fc19c8"`
Dec 14 12:14:05.238 INFO [stdout] 3c2105b6fb9ccdc38cd0fe0fac16ec1e187bd13c5181178c6b7d87a259fc19c8
Dec 14 12:14:05.241 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 14 12:14:05.502 INFO [stdout] 175f4a9e0979cec0e2ef7c9aaaedfc7958c10b101d91440ddb40aa7f2f057287
Dec 14 12:14:05.505 INFO running `"docker" "start" "-a" "175f4a9e0979cec0e2ef7c9aaaedfc7958c10b101d91440ddb40aa7f2f057287"`
Dec 14 12:14:06.015 INFO [stderr] usermod: no changes
Dec 14 12:14:06.067 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 14 12:14:06.069 INFO [stderr]      Running /target/debug/deps/alt_tabber-fb40674c03ef04f3
Dec 14 12:14:06.072 INFO [stdout] 
Dec 14 12:14:06.072 INFO [stdout] running 0 tests
Dec 14 12:14:06.072 INFO [stdout] 
Dec 14 12:14:06.072 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 12:14:06.072 INFO [stdout] 
Dec 14 12:14:06.072 INFO [stderr]      Running /target/debug/deps/alt_tabber-c69c9ed48938d47e
Dec 14 12:14:06.073 INFO [stdout] 
Dec 14 12:14:06.073 INFO [stdout] running 1 test
Dec 14 12:14:06.073 INFO [stdout] test test_flatten::flattens ... ok
Dec 14 12:14:06.073 INFO [stdout] 
Dec 14 12:14:06.073 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 12:14:06.073 INFO [stdout] 
Dec 14 12:14:06.074 INFO [stderr]    Doc-tests alt_tabber
Dec 14 12:14:07.191 INFO [stdout] 
Dec 14 12:14:07.191 INFO [stdout] running 0 tests
Dec 14 12:14:07.191 INFO [stdout] 
Dec 14 12:14:07.191 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 12:14:07.191 INFO [stdout] 
Dec 14 12:14:07.199 INFO [stderr] su: No module specific data is present
Dec 14 12:14:07.583 INFO running `"docker" "inspect" "175f4a9e0979cec0e2ef7c9aaaedfc7958c10b101d91440ddb40aa7f2f057287"`
Dec 14 12:14:07.775 INFO running `"docker" "rm" "-f" "175f4a9e0979cec0e2ef7c9aaaedfc7958c10b101d91440ddb40aa7f2f057287"`
Dec 14 12:14:07.994 INFO [stdout] 175f4a9e0979cec0e2ef7c9aaaedfc7958c10b101d91440ddb40aa7f2f057287