Sep 19 21:47:23.636 INFO checking nix-0.11.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 21:47:23.636 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 21:47:23.636 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-2/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 21:47:23.914 INFO blam! d9e2d0c167def28319ece31fd83cd6c86b92c0a6e93306888bdb6af1a23bb952
Sep 19 21:47:23.917 INFO running `"docker" "start" "-a" "d9e2d0c167def28319ece31fd83cd6c86b92c0a6e93306888bdb6af1a23bb952"`
Sep 19 21:47:24.803 INFO kablam! usermod: no changes
Sep 19 21:47:24.887 INFO kablam!    Compiling nix v0.11.0 (/source)
Sep 19 21:47:32.212 INFO kablam! warning: unused import: `std::os::unix::io::RawFd`
Sep 19 21:47:32.212 INFO kablam!  --> test/sys/test_select.rs:5:5
Sep 19 21:47:32.212 INFO kablam!   |
Sep 19 21:47:32.213 INFO kablam! 5 | use std::os::unix::io::RawFd;
Sep 19 21:47:32.213 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 21:47:32.213 INFO kablam!   |
Sep 19 21:47:32.213 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 19 21:47:32.213 INFO kablam! 
Sep 19 21:47:33.499 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.66s
Sep 19 21:47:33.506 INFO kablam! su: No module specific data is present
Sep 19 21:47:34.421 INFO running `"docker" "rm" "-f" "d9e2d0c167def28319ece31fd83cd6c86b92c0a6e93306888bdb6af1a23bb952"`
Sep 19 21:47:34.551 INFO blam! d9e2d0c167def28319ece31fd83cd6c86b92c0a6e93306888bdb6af1a23bb952