Aug 30 03:14:58.134 INFO checking serial-0.4.0 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 30 03:14:58.134 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 30 03:14:58.135 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-3/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 03:14:58.322 INFO blam! a57eb04ccce9adf490cdfd4184df90a8d2b57e1b8faf3f61d17fa431f4f61ed9
Aug 30 03:14:58.325 INFO running `"docker" "start" "-a" "a57eb04ccce9adf490cdfd4184df90a8d2b57e1b8faf3f61d17fa431f4f61ed9"`
Aug 30 03:14:59.136 INFO kablam!     Checking serial v0.4.0 (file:///source)
Aug 30 03:15:00.310 INFO kablam! warning: unused import: `std::io::prelude`
Aug 30 03:15:00.310 INFO kablam!  --> examples/read_write.rs:6:5
Aug 30 03:15:00.310 INFO kablam!   |
Aug 30 03:15:00.310 INFO kablam! 6 | use std::io::prelude::*;
Aug 30 03:15:00.310 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Aug 30 03:15:00.310 INFO kablam!   |
Aug 30 03:15:00.310 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 30 03:15:00.310 INFO kablam! 
Aug 30 03:15:00.362 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
Aug 30 03:15:00.366 INFO kablam! su: No module specific data is present
Aug 30 03:15:00.775 INFO running `"docker" "rm" "-f" "a57eb04ccce9adf490cdfd4184df90a8d2b57e1b8faf3f61d17fa431f4f61ed9"`
Aug 30 03:15:00.888 INFO blam! a57eb04ccce9adf490cdfd4184df90a8d2b57e1b8faf3f61d17fa431f4f61ed9