Sep 04 21:09:27.701 INFO checking columnar-0.0.19 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 21:09:27.701 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 21:09:27.702 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 21:09:27.978 INFO blam! 757ec1de9213dacff89d132682e74ba936ef782c6b6e5166a90ba49fe47cc19f
Sep 04 21:09:27.984 INFO running `"docker" "start" "-a" "757ec1de9213dacff89d132682e74ba936ef782c6b6e5166a90ba49fe47cc19f"`
Sep 04 21:09:28.848 INFO kablam!     Checking columnar v0.0.19 (file:///source)
Sep 04 21:09:29.666 INFO kablam! warning: unused import: `std::mem::size_of`
Sep 04 21:09:29.666 INFO kablam!  --> src/lib.rs:4:5
Sep 04 21:09:29.666 INFO kablam!   |
Sep 04 21:09:29.666 INFO kablam! 4 | use std::mem::size_of;
Sep 04 21:09:29.666 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Sep 04 21:09:29.666 INFO kablam!   |
Sep 04 21:09:29.666 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 21:09:29.666 INFO kablam! 
Sep 04 21:09:29.798 INFO kablam! warning: unused import: `std::mem::size_of`
Sep 04 21:09:29.798 INFO kablam!  --> src/lib.rs:4:5
Sep 04 21:09:29.798 INFO kablam!   |
Sep 04 21:09:29.798 INFO kablam! 4 | use std::mem::size_of;
Sep 04 21:09:29.798 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Sep 04 21:09:29.798 INFO kablam!   |
Sep 04 21:09:29.798 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 21:09:29.798 INFO kablam! 
Sep 04 21:09:31.184 INFO kablam! warning: unused import: `std::io::Read`
Sep 04 21:09:31.185 INFO kablam!   --> benches/bench.rs:10:5
Sep 04 21:09:31.185 INFO kablam!    |
Sep 04 21:09:31.185 INFO kablam! 10 | use std::io::Read;
Sep 04 21:09:31.185 INFO kablam!    |     ^^^^^^^^^^^^^
Sep 04 21:09:31.185 INFO kablam!    |
Sep 04 21:09:31.185 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 04 21:09:31.185 INFO kablam! 
Sep 04 21:09:31.244 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.42s
Sep 04 21:09:31.247 INFO kablam! su: No module specific data is present
Sep 04 21:09:31.618 INFO running `"docker" "rm" "-f" "757ec1de9213dacff89d132682e74ba936ef782c6b6e5166a90ba49fe47cc19f"`
Sep 04 21:09:31.714 INFO blam! 757ec1de9213dacff89d132682e74ba936ef782c6b6e5166a90ba49fe47cc19f