Sep 17 20:52:17.056 INFO checking netns-0.1.0 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033 Sep 17 20:52:17.056 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets Sep 17 20:52:17.057 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-3/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"` Sep 17 20:52:17.478 INFO blam! 9af5463d2eb737117d91028ede514c14ba062f476c85d4eb239d3b6af0b4eab0 Sep 17 20:52:17.482 INFO running `"docker" "start" "-a" "9af5463d2eb737117d91028ede514c14ba062f476c85d4eb239d3b6af0b4eab0"` Sep 17 20:52:18.791 INFO kablam! usermod: no changes Sep 17 20:52:18.879 INFO kablam! Checking netns v0.1.0 (/source) Sep 17 20:52:20.135 INFO kablam! warning: unused `std::result::Result` which must be used Sep 17 20:52:20.135 INFO kablam! --> examples/basic.rs:11:3 Sep 17 20:52:20.135 INFO kablam! | Sep 17 20:52:20.135 INFO kablam! 11 | NetNS::set(temp); Sep 17 20:52:20.135 INFO kablam! | ^^^^^^^^^^^^^^^^^ Sep 17 20:52:20.135 INFO kablam! | Sep 17 20:52:20.136 INFO kablam! = note: #[warn(unused_must_use)] on by default Sep 17 20:52:20.136 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Sep 17 20:52:20.136 INFO kablam! Sep 17 20:52:20.203 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 1.37s Sep 17 20:52:20.207 INFO kablam! su: No module specific data is present Sep 17 20:52:21.305 INFO running `"docker" "rm" "-f" "9af5463d2eb737117d91028ede514c14ba062f476c85d4eb239d3b6af0b4eab0"` Sep 17 20:52:21.656 INFO blam! 9af5463d2eb737117d91028ede514c14ba062f476c85d4eb239d3b6af0b4eab0