Sep 19 16:54:14.242 INFO checking tk-bufstream-0.3.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 16:54:14.242 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 16:54:14.242 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-4/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 16:54:14.928 INFO blam! b0c6ac885372e0275d1c7402f521a7f7b9f8c6a185cfbc59cb03cb71383b93f7
Sep 19 16:54:14.935 INFO running `"docker" "start" "-a" "b0c6ac885372e0275d1c7402f521a7f7b9f8c6a185cfbc59cb03cb71383b93f7"`
Sep 19 16:54:16.350 INFO kablam! usermod: no changes
Sep 19 16:54:16.603 INFO kablam!     Checking tk-bufstream v0.3.0 (/source)
Sep 19 16:54:20.059 INFO kablam! warning: unused import: `std::str`
Sep 19 16:54:20.059 INFO kablam!  --> examples/raw_echo.rs:8:5
Sep 19 16:54:20.059 INFO kablam!   |
Sep 19 16:54:20.059 INFO kablam! 8 | use std::str;
Sep 19 16:54:20.059 INFO kablam!   |     ^^^^^^^^
Sep 19 16:54:20.059 INFO kablam!   |
Sep 19 16:54:20.059 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 19 16:54:20.059 INFO kablam! 
Sep 19 16:54:20.552 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.17s
Sep 19 16:54:20.555 INFO kablam! su: No module specific data is present
Sep 19 16:54:21.384 INFO running `"docker" "rm" "-f" "b0c6ac885372e0275d1c7402f521a7f7b9f8c6a185cfbc59cb03cb71383b93f7"`
Sep 19 16:54:21.482 INFO blam! b0c6ac885372e0275d1c7402f521a7f7b9f8c6a185cfbc59cb03cb71383b93f7