Jul 05 17:26:02.451 INFO testing mastodon-0.1.0 against master#860d169474acabdc53b9a698f8ce02eba7e0daeb for nll-3
Jul 05 17:26:02.451 INFO running: cargo +860d169474acabdc53b9a698f8ce02eba7e0daeb check --frozen --all --all-targets
Jul 05 17:26:02.451 INFO creating container for: cargo +860d169474acabdc53b9a698f8ce02eba7e0daeb check --frozen --all --all-targets
Jul 05 17:26:02.451 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/main/nll-3/master#860d169474acabdc53b9a698f8ce02eba7e0daeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/nll-3/master#860d169474acabdc53b9a698f8ce02eba7e0daeb:/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 +860d169474acabdc53b9a698f8ce02eba7e0daeb check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Jul 05 17:26:02.665 INFO blam! f340507b80c1165385b2f5c8d3c859f7da845d89b8941993c4b53174fbcaf2b6
Jul 05 17:26:02.666 INFO running `"docker" "start" "-a" "f340507b80c1165385b2f5c8d3c859f7da845d89b8941993c4b53174fbcaf2b6"`
Jul 05 17:26:03.289 INFO kablam!     Checking mastodon v0.1.0 (file:///source)
Jul 05 17:26:06.143 INFO kablam! warning: unused imports: `Read`, `self`
Jul 05 17:26:06.143 INFO kablam!   --> src/lib.rs:25:19
Jul 05 17:26:06.143 INFO kablam!    |
Jul 05 17:26:06.143 INFO kablam! 25 |     use std::io::{self, Read};
Jul 05 17:26:06.143 INFO kablam!    |                   ^^^^  ^^^^
Jul 05 17:26:06.143 INFO kablam!    |
Jul 05 17:26:06.143 INFO kablam!    = note: #[warn(unused_imports)] on by default
Jul 05 17:26:06.143 INFO kablam! 
Jul 05 17:26:06.774 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.58s
Jul 05 17:26:06.781 INFO kablam! su: No module specific data is present
Jul 05 17:26:07.121 INFO running `"docker" "rm" "-f" "f340507b80c1165385b2f5c8d3c859f7da845d89b8941993c4b53174fbcaf2b6"`
Jul 05 17:26:07.212 INFO blam! f340507b80c1165385b2f5c8d3c859f7da845d89b8941993c4b53174fbcaf2b6