Nov 03 04:53:47.176 INFO checking nix-0.11.0 against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 03 04:53:47.176 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-1/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 03 04:53:47.584 INFO blam! 5b81554221d30a227986e3023c6e2d2b33fb3906df2030137266237ed0411a84
Nov 03 04:53:47.593 INFO running `"docker" "start" "-a" "5b81554221d30a227986e3023c6e2d2b33fb3906df2030137266237ed0411a84"`
Nov 03 04:53:48.348 INFO kablam! usermod: no changes
Nov 03 04:53:48.448 INFO kablam!    Compiling nix v0.11.0 (/source)
Nov 03 04:54:00.680 INFO kablam! warning: unused import: `std::os::unix::io::RawFd`
Nov 03 04:54:00.680 INFO kablam!  --> test/sys/test_select.rs:5:5
Nov 03 04:54:00.680 INFO kablam!   |
Nov 03 04:54:00.681 INFO kablam! 5 | use std::os::unix::io::RawFd;
Nov 03 04:54:00.681 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 04:54:00.681 INFO kablam!   |
Nov 03 04:54:00.681 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 03 04:54:00.681 INFO kablam! 
Nov 03 04:54:02.199 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 13.82s
Nov 03 04:54:02.204 INFO kablam! su: No module specific data is present
Nov 03 04:54:03.237 INFO running `"docker" "rm" "-f" "5b81554221d30a227986e3023c6e2d2b33fb3906df2030137266237ed0411a84"`
Nov 03 04:54:03.472 INFO blam! 5b81554221d30a227986e3023c6e2d2b33fb3906df2030137266237ed0411a84