Nov 01 15:01:27.676 INFO checking tk-bufstream-0.3.0 against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 15:01:27.678 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-1/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +05812fa8c588473f03e3fa7cf59cd84f4f37c715-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 15:01:28.064 INFO blam! 497fd0132e0a287051c0634291404d2893f37b20fa412c7e5d12a12c7974b723
Nov 01 15:01:28.070 INFO running `"docker" "start" "-a" "497fd0132e0a287051c0634291404d2893f37b20fa412c7e5d12a12c7974b723"`
Nov 01 15:01:29.718 INFO kablam! usermod: no changes
Nov 01 15:01:30.044 INFO kablam!     Checking tk-bufstream v0.3.0 (/source)
Nov 01 15:01:40.768 INFO kablam! warning: unused import: `std::str`
Nov 01 15:01:40.768 INFO kablam!  --> examples/raw_echo.rs:8:5
Nov 01 15:01:40.768 INFO kablam!   |
Nov 01 15:01:40.768 INFO kablam! 8 | use std::str;
Nov 01 15:01:40.768 INFO kablam!   |     ^^^^^^^^
Nov 01 15:01:40.768 INFO kablam!   |
Nov 01 15:01:40.768 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 15:01:40.768 INFO kablam! 
Nov 01 15:01:40.925 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 11.17s
Nov 01 15:01:40.944 INFO kablam! su: No module specific data is present
Nov 01 15:01:41.491 INFO running `"docker" "rm" "-f" "497fd0132e0a287051c0634291404d2893f37b20fa412c7e5d12a12c7974b723"`
Nov 01 15:01:41.668 INFO blam! 497fd0132e0a287051c0634291404d2893f37b20fa412c7e5d12a12c7974b723