Sep 10 21:50:51.353 INFO checking bus_writer-0.1.2 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 21:50:51.353 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 21:50:51.353 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-6/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 21:50:51.585 INFO blam! 958eccf43246ddfc499d50964c8669c774d498b2edf72d0cc09b2a6f76f33f93
Sep 10 21:50:51.587 INFO running `"docker" "start" "-a" "958eccf43246ddfc499d50964c8669c774d498b2edf72d0cc09b2a6f76f33f93"`
Sep 10 21:50:52.857 INFO kablam! usermod: no changes
Sep 10 21:50:52.962 INFO kablam! warning: only one of `license` or `license-file` is necessary
Sep 10 21:50:53.006 INFO kablam!     Checking bus v2.0.0
Sep 10 21:50:53.672 INFO kablam!     Checking bus_writer v0.1.2 (file:///source)
Sep 10 21:50:55.670 INFO kablam! warning: unused import: `BufReader`
Sep 10 21:50:55.670 INFO kablam!  --> examples/simple.rs:4:15
Sep 10 21:50:55.670 INFO kablam!   |
Sep 10 21:50:55.670 INFO kablam! 4 | use std::io::{BufReader, Cursor, Read};
Sep 10 21:50:55.670 INFO kablam!   |               ^^^^^^^^^
Sep 10 21:50:55.670 INFO kablam!   |
Sep 10 21:50:55.670 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 21:50:55.670 INFO kablam! 
Sep 10 21:50:55.670 INFO kablam! warning: unused import: `File`
Sep 10 21:50:55.670 INFO kablam!  --> examples/simple.rs:5:21
Sep 10 21:50:55.670 INFO kablam!   |
Sep 10 21:50:55.670 INFO kablam! 5 | use std::fs::{self, File};
Sep 10 21:50:55.670 INFO kablam!   |                     ^^^^
Sep 10 21:50:55.670 INFO kablam! 
Sep 10 21:50:55.849 INFO kablam! warning: unused import: `Read`
Sep 10 21:50:55.850 INFO kablam!  --> examples/simple.rs:4:34
Sep 10 21:50:55.850 INFO kablam!   |
Sep 10 21:50:55.850 INFO kablam! 4 | use std::io::{BufReader, Cursor, Read};
Sep 10 21:50:55.850 INFO kablam!   |                                  ^^^^
Sep 10 21:50:55.850 INFO kablam! 
Sep 10 21:50:56.079 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.19s
Sep 10 21:50:56.090 INFO kablam! su: No module specific data is present
Sep 10 21:50:57.023 INFO running `"docker" "rm" "-f" "958eccf43246ddfc499d50964c8669c774d498b2edf72d0cc09b2a6f76f33f93"`
Sep 10 21:50:57.147 INFO blam! 958eccf43246ddfc499d50964c8669c774d498b2edf72d0cc09b2a6f76f33f93