Sep 14 12:37:26.934 INFO checking nix-0.11.0 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 12:37:26.934 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 12:37:26.934 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-3/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 12:37:27.056 INFO blam! e2e21970f102458132d47807f58ed492254e597eb525fbcbe6d807acbaefb10f
Sep 14 12:37:27.059 INFO running `"docker" "start" "-a" "e2e21970f102458132d47807f58ed492254e597eb525fbcbe6d807acbaefb10f"`
Sep 14 12:37:27.776 INFO kablam! usermod: no changes
Sep 14 12:37:27.830 INFO kablam!    Compiling nix v0.11.0 (file:///source)
Sep 14 12:37:36.170 INFO kablam! warning: unused import: `std::os::unix::io::RawFd`
Sep 14 12:37:36.170 INFO kablam!  --> test/sys/test_select.rs:5:5
Sep 14 12:37:36.170 INFO kablam!   |
Sep 14 12:37:36.170 INFO kablam! 5 | use std::os::unix::io::RawFd;
Sep 14 12:37:36.171 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 12:37:36.171 INFO kablam!   |
Sep 14 12:37:36.171 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 14 12:37:36.171 INFO kablam! 
Sep 14 12:37:37.460 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.67s
Sep 14 12:37:37.465 INFO kablam! su: No module specific data is present
Sep 14 12:37:38.265 INFO running `"docker" "rm" "-f" "e2e21970f102458132d47807f58ed492254e597eb525fbcbe6d807acbaefb10f"`
Sep 14 12:37:38.381 INFO blam! e2e21970f102458132d47807f58ed492254e597eb525fbcbe6d807acbaefb10f