Sep 10 19:17:51.718 INFO checking failure-0.1.2 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 19:17:51.718 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 19:17:51.718 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 19:17:52.011 INFO blam! 37b65730d9823e71d3bbe98bc3f5cbd1ff77ae423c7a21c2861f9f3977a1494b
Sep 10 19:17:52.013 INFO running `"docker" "start" "-a" "37b65730d9823e71d3bbe98bc3f5cbd1ff77ae423c7a21c2861f9f3977a1494b"`
Sep 10 19:17:53.333 INFO kablam! usermod: no changes
Sep 10 19:17:53.460 INFO kablam!     Checking failure v0.1.2 (file:///source)
Sep 10 19:17:54.922 INFO kablam! warning: unused `#[macro_use]` import
Sep 10 19:17:54.922 INFO kablam!  --> examples/simple.rs:1:1
Sep 10 19:17:54.922 INFO kablam!   |
Sep 10 19:17:54.922 INFO kablam! 1 | #[macro_use]
Sep 10 19:17:54.922 INFO kablam!   | ^^^^^^^^^^^^
Sep 10 19:17:54.922 INFO kablam!   |
Sep 10 19:17:54.922 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 19:17:54.922 INFO kablam! 
Sep 10 19:17:54.987 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
Sep 10 19:17:54.995 INFO kablam! su: No module specific data is present
Sep 10 19:17:55.767 INFO running `"docker" "rm" "-f" "37b65730d9823e71d3bbe98bc3f5cbd1ff77ae423c7a21c2861f9f3977a1494b"`
Sep 10 19:17:55.863 INFO blam! 37b65730d9823e71d3bbe98bc3f5cbd1ff77ae423c7a21c2861f9f3977a1494b