Aug 30 03:55:18.287 INFO checking serial-0.4.0 against master#ede55518431154bc761f7b2438cce9078c162700 for pr-53707
Aug 30 03:55:18.287 INFO running: cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets
Aug 30 03:55:18.287 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53707/master#ede55518431154bc761f7b2438cce9078c162700:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-1/master#ede55518431154bc761f7b2438cce9078c162700:/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=500" "-e" "CMD=cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 03:55:18.454 INFO blam! 62ea9ed66ac1c9ef46f00693f63cfd85f36b2cf006db9c68ba2a200283ffc698
Aug 30 03:55:18.456 INFO running `"docker" "start" "-a" "62ea9ed66ac1c9ef46f00693f63cfd85f36b2cf006db9c68ba2a200283ffc698"`
Aug 30 03:55:19.124 INFO kablam!     Checking serial-core v0.4.0
Aug 30 03:55:19.590 INFO kablam!     Checking serial-unix v0.4.0
Aug 30 03:55:20.132 INFO kablam!     Checking serial v0.4.0 (file:///source)
Aug 30 03:55:21.200 INFO kablam! warning: unused import: `std::io::prelude`
Aug 30 03:55:21.201 INFO kablam!  --> examples/read_write.rs:6:5
Aug 30 03:55:21.201 INFO kablam!   |
Aug 30 03:55:21.201 INFO kablam! 6 | use std::io::prelude::*;
Aug 30 03:55:21.201 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Aug 30 03:55:21.201 INFO kablam!   |
Aug 30 03:55:21.201 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 30 03:55:21.201 INFO kablam! 
Aug 30 03:55:21.263 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.16s
Aug 30 03:55:21.266 INFO kablam! su: No module specific data is present
Aug 30 03:55:21.716 INFO running `"docker" "rm" "-f" "62ea9ed66ac1c9ef46f00693f63cfd85f36b2cf006db9c68ba2a200283ffc698"`
Aug 30 03:55:21.812 INFO blam! 62ea9ed66ac1c9ef46f00693f63cfd85f36b2cf006db9c68ba2a200283ffc698