Sep 01 13:05:20.131 INFO checking netns-0.1.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 13:05:20.131 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 13:05:20.131 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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=500" "-e" "CMD=cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 13:05:20.342 INFO blam! 409df4c342ffad080418572460307a44ebcb12812626d91c68634aebd3173973
Sep 01 13:05:20.344 INFO running `"docker" "start" "-a" "409df4c342ffad080418572460307a44ebcb12812626d91c68634aebd3173973"`
Sep 01 13:05:21.241 INFO kablam!     Checking netns v0.1.0 (file:///source)
Sep 01 13:05:22.642 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 13:05:22.642 INFO kablam!   --> examples/basic.rs:11:3
Sep 01 13:05:22.642 INFO kablam!    |
Sep 01 13:05:22.642 INFO kablam! 11 |         NetNS::set(temp);
Sep 01 13:05:22.642 INFO kablam!    |         ^^^^^^^^^^^^^^^^^
Sep 01 13:05:22.642 INFO kablam!    |
Sep 01 13:05:22.642 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 01 13:05:22.642 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 13:05:22.642 INFO kablam! 
Sep 01 13:05:22.655 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
Sep 01 13:05:22.656 INFO kablam! su: No module specific data is present
Sep 01 13:05:23.544 INFO running `"docker" "rm" "-f" "409df4c342ffad080418572460307a44ebcb12812626d91c68634aebd3173973"`
Sep 01 13:05:23.646 INFO blam! 409df4c342ffad080418572460307a44ebcb12812626d91c68634aebd3173973