Sep 01 12:58:27.040 INFO checking nix-0.11.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 12:58:27.040 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 12:58:27.040 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/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 12:58:27.230 INFO blam! 5d11156050364e51f1c4243433b56427f8bcb61cc0c67a98111c0dbbdfa1b88e
Sep 01 12:58:27.232 INFO running `"docker" "start" "-a" "5d11156050364e51f1c4243433b56427f8bcb61cc0c67a98111c0dbbdfa1b88e"`
Sep 01 12:58:27.884 INFO kablam!    Compiling nix v0.11.0 (file:///source)
Sep 01 12:58:40.806 INFO kablam! warning: unused import: `std::os::unix::io::RawFd`
Sep 01 12:58:40.806 INFO kablam!  --> test/sys/test_select.rs:5:5
Sep 01 12:58:40.806 INFO kablam!   |
Sep 01 12:58:40.806 INFO kablam! 5 | use std::os::unix::io::RawFd;
Sep 01 12:58:40.806 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 12:58:40.806 INFO kablam!   |
Sep 01 12:58:40.806 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 12:58:40.806 INFO kablam! 
Sep 01 12:58:42.714 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 14.89s
Sep 01 12:58:42.720 INFO kablam! su: No module specific data is present
Sep 01 12:58:43.436 INFO running `"docker" "rm" "-f" "5d11156050364e51f1c4243433b56427f8bcb61cc0c67a98111c0dbbdfa1b88e"`
Sep 01 12:58:43.526 INFO blam! 5d11156050364e51f1c4243433b56427f8bcb61cc0c67a98111c0dbbdfa1b88e