Aug 10 23:53:44.921 INFO checking tk-bufstream-0.3.0 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 10 23:53:44.921 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 10 23:53:44.921 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 10 23:53:44.922 INFO running `"docker" "create" "-v" "/tmp/crater.L15zAHd6UOx3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-3/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 23:53:45.202 INFO blam! c47e9b4fbdaf8f1f37375043db6835831e71736a145be966fd53e0acf88f1d15
Aug 10 23:53:45.205 INFO running `"docker" "start" "-a" "c47e9b4fbdaf8f1f37375043db6835831e71736a145be966fd53e0acf88f1d15"`
Aug 10 23:53:46.300 INFO kablam!     Checking tk-bufstream v0.3.0 (file:///source)
Aug 10 23:53:48.387 INFO kablam! warning: unused import: `std::str`
Aug 10 23:53:48.387 INFO kablam!  --> examples/raw_echo.rs:8:5
Aug 10 23:53:48.387 INFO kablam!   |
Aug 10 23:53:48.387 INFO kablam! 8 | use std::str;
Aug 10 23:53:48.387 INFO kablam!   |     ^^^^^^^^
Aug 10 23:53:48.392 INFO kablam!   |
Aug 10 23:53:48.394 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 10 23:53:48.394 INFO kablam! 
Aug 10 23:53:49.642 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.45s
Aug 10 23:53:49.655 INFO kablam! su: No module specific data is present
Aug 10 23:53:50.159 INFO running `"docker" "rm" "-f" "c47e9b4fbdaf8f1f37375043db6835831e71736a145be966fd53e0acf88f1d15"`
Aug 10 23:53:50.302 INFO blam! c47e9b4fbdaf8f1f37375043db6835831e71736a145be966fd53e0acf88f1d15