Sep 01 13:05:19.797 INFO checking netns-0.1.0 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 13:05:19.797 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 13:05:19.797 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 13:05:20.018 INFO blam! 1add0639de9442f1f7ee95e4b78fc19be549242664b618f1e2a32010086b0046
Sep 01 13:05:20.020 INFO running `"docker" "start" "-a" "1add0639de9442f1f7ee95e4b78fc19be549242664b618f1e2a32010086b0046"`
Sep 01 13:05:21.171 INFO kablam!     Checking netns v0.1.0 (file:///source)
Sep 01 13:05:22.481 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 13:05:22.481 INFO kablam!   --> examples/basic.rs:11:3
Sep 01 13:05:22.481 INFO kablam!    |
Sep 01 13:05:22.481 INFO kablam! 11 |         NetNS::set(temp);
Sep 01 13:05:22.481 INFO kablam!    |         ^^^^^^^^^^^^^^^^^
Sep 01 13:05:22.481 INFO kablam!    |
Sep 01 13:05:22.481 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 01 13:05:22.481 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 13:05:22.481 INFO kablam! 
Sep 01 13:05:22.496 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
Sep 01 13:05:22.499 INFO kablam! su: No module specific data is present
Sep 01 13:05:23.386 INFO running `"docker" "rm" "-f" "1add0639de9442f1f7ee95e4b78fc19be549242664b618f1e2a32010086b0046"`
Sep 01 13:05:23.471 INFO blam! 1add0639de9442f1f7ee95e4b78fc19be549242664b618f1e2a32010086b0046