Aug 10 23:01:30.422 INFO checking untrusted-0.6.2 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 10 23:01:30.422 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 10 23:01:30.422 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 10 23:01:30.422 INFO running `"docker" "create" "-v" "/tmp/crater.hGLrE7IKr1Pf:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-0/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 10 23:01:30.682 INFO blam! d2c38ed981d5f3e659c5347ba544ab37093c005ec9e70e610f2a7d0802b696a2
Aug 10 23:01:30.683 INFO running `"docker" "start" "-a" "d2c38ed981d5f3e659c5347ba544ab37093c005ec9e70e610f2a7d0802b696a2"`
Aug 10 23:01:31.778 INFO kablam!     Checking untrusted v0.6.2 (file:///source)
Aug 10 23:01:32.359 INFO kablam! error[E0453]: allow(unused) overruled by outer forbid(unused_extern_crates)
Aug 10 23:01:32.367 INFO kablam! 
Aug 10 23:01:32.760 INFO kablam! error: aborting due to previous error
Aug 10 23:01:32.761 INFO kablam! 
Aug 10 23:01:32.761 INFO kablam! For more information about this error, try `rustc --explain E0453`.
Aug 10 23:01:32.768 INFO kablam! error: Could not compile `untrusted`.
Aug 10 23:01:32.768 INFO kablam! 
Aug 10 23:01:32.769 INFO kablam! To learn more, run the command again with --verbose.
Aug 10 23:01:32.770 INFO kablam! su: No module specific data is present
Aug 10 23:01:33.326 INFO running `"docker" "rm" "-f" "d2c38ed981d5f3e659c5347ba544ab37093c005ec9e70e610f2a7d0802b696a2"`
Aug 10 23:01:33.505 INFO blam! d2c38ed981d5f3e659c5347ba544ab37093c005ec9e70e610f2a7d0802b696a2