Sep 01 12:47:48.784 INFO checking nqueens-0.1.2 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 12:47:48.784 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 12:47:48.784 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 12:47:49.014 INFO blam! c6251e579b921f7e18e6ecb2604ded520844db4d931a2f46e2b8f75114422f2e
Sep 01 12:47:49.016 INFO running `"docker" "start" "-a" "c6251e579b921f7e18e6ecb2604ded520844db4d931a2f46e2b8f75114422f2e"`
Sep 01 12:47:49.787 INFO kablam!     Checking pretty_assertions v0.3.4
Sep 01 12:47:49.787 INFO kablam!     Checking nqueens v0.1.2 (file:///source)
Sep 01 12:47:51.204 INFO kablam! warning: unused `#[macro_use]` import
Sep 01 12:47:51.204 INFO kablam!  --> src/lib.rs:2:1
Sep 01 12:47:51.204 INFO kablam!   |
Sep 01 12:47:51.204 INFO kablam! 2 | #[macro_use]
Sep 01 12:47:51.204 INFO kablam!   | ^^^^^^^^^^^^
Sep 01 12:47:51.204 INFO kablam!   |
Sep 01 12:47:51.205 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 12:47:51.205 INFO kablam! 
Sep 01 12:47:51.759 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
Sep 01 12:47:51.765 INFO kablam! su: No module specific data is present
Sep 01 12:47:52.271 INFO running `"docker" "rm" "-f" "c6251e579b921f7e18e6ecb2604ded520844db4d931a2f46e2b8f75114422f2e"`
Sep 01 12:47:52.408 INFO blam! c6251e579b921f7e18e6ecb2604ded520844db4d931a2f46e2b8f75114422f2e