Sep 17 16:00:11.852 INFO checking tk-bufstream-0.3.0 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 16:00:11.852 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 16:00:11.852 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-5/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 16:00:12.292 INFO blam! 0e25449c48d156f2e3c973d00f64b67ae619d5e6b654d365ac6a2e5168322b50
Sep 17 16:00:12.294 INFO running `"docker" "start" "-a" "0e25449c48d156f2e3c973d00f64b67ae619d5e6b654d365ac6a2e5168322b50"`
Sep 17 16:00:14.022 INFO kablam! usermod: no changes
Sep 17 16:00:14.155 INFO kablam!     Checking tk-bufstream v0.3.0 (/source)
Sep 17 16:00:16.007 INFO kablam! warning: unused import: `std::str`
Sep 17 16:00:16.007 INFO kablam!  --> examples/raw_echo.rs:8:5
Sep 17 16:00:16.007 INFO kablam!   |
Sep 17 16:00:16.007 INFO kablam! 8 | use std::str;
Sep 17 16:00:16.007 INFO kablam!   |     ^^^^^^^^
Sep 17 16:00:16.007 INFO kablam!   |
Sep 17 16:00:16.007 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 17 16:00:16.007 INFO kablam! 
Sep 17 16:00:16.386 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
Sep 17 16:00:16.402 INFO kablam! su: No module specific data is present
Sep 17 16:00:17.347 INFO running `"docker" "rm" "-f" "0e25449c48d156f2e3c973d00f64b67ae619d5e6b654d365ac6a2e5168322b50"`
Sep 17 16:00:17.496 INFO blam! 0e25449c48d156f2e3c973d00f64b67ae619d5e6b654d365ac6a2e5168322b50