Sep 17 16:00:07.474 INFO checking tk-bufstream-0.3.0 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 16:00:07.474 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 16:00:07.474 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-4/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 16:00:07.840 INFO blam! ef901cb07be22af1f066c2778f4b24c192a03cfa3dee90dfe5a9c918e25dd650
Sep 17 16:00:07.842 INFO running `"docker" "start" "-a" "ef901cb07be22af1f066c2778f4b24c192a03cfa3dee90dfe5a9c918e25dd650"`
Sep 17 16:00:09.691 INFO kablam! usermod: no changes
Sep 17 16:00:09.961 INFO kablam!     Checking tk-bufstream v0.3.0 (/source)
Sep 17 16:00:12.871 INFO kablam! warning: unused import: `std::str`
Sep 17 16:00:12.871 INFO kablam!  --> examples/raw_echo.rs:8:5
Sep 17 16:00:12.871 INFO kablam!   |
Sep 17 16:00:12.871 INFO kablam! 8 | use std::str;
Sep 17 16:00:12.871 INFO kablam!   |     ^^^^^^^^
Sep 17 16:00:12.871 INFO kablam!   |
Sep 17 16:00:12.871 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 17 16:00:12.871 INFO kablam! 
Sep 17 16:00:13.511 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.79s
Sep 17 16:00:13.519 INFO kablam! su: No module specific data is present
Sep 17 16:00:14.506 INFO running `"docker" "rm" "-f" "ef901cb07be22af1f066c2778f4b24c192a03cfa3dee90dfe5a9c918e25dd650"`
Sep 17 16:00:14.750 INFO blam! ef901cb07be22af1f066c2778f4b24c192a03cfa3dee90dfe5a9c918e25dd650