Nov 10 02:49:28.700 INFO checking nix-0.11.0 against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 10 02:49:28.700 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-3/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +dc13be39fae8d4c607889b27de374b52586485a3-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 10 02:49:28.839 INFO blam! b4129e311be748d5c174a7484b6730c6ed01f7f64e5d829aee27b57b760bd964
Nov 10 02:49:28.844 INFO running `"docker" "start" "-a" "b4129e311be748d5c174a7484b6730c6ed01f7f64e5d829aee27b57b760bd964"`
Nov 10 02:49:29.601 INFO kablam! usermod: no changes
Nov 10 02:49:29.783 INFO kablam!    Compiling nix v0.11.0 (/source)
Nov 10 02:49:40.323 INFO kablam! warning: unused import: `std::os::unix::io::RawFd`
Nov 10 02:49:40.323 INFO kablam!  --> test/sys/test_select.rs:5:5
Nov 10 02:49:40.323 INFO kablam!   |
Nov 10 02:49:40.323 INFO kablam! 5 | use std::os::unix::io::RawFd;
Nov 10 02:49:40.323 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 02:49:40.323 INFO kablam!   |
Nov 10 02:49:40.323 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 10 02:49:40.323 INFO kablam! 
Nov 10 02:49:41.720 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 12.08s
Nov 10 02:49:41.735 INFO kablam! su: No module specific data is present
Nov 10 02:49:42.371 INFO running `"docker" "rm" "-f" "b4129e311be748d5c174a7484b6730c6ed01f7f64e5d829aee27b57b760bd964"`
Nov 10 02:49:42.649 INFO blam! b4129e311be748d5c174a7484b6730c6ed01f7f64e5d829aee27b57b760bd964