Sep 04 09:39:38.811 INFO checking nqueens-0.1.2 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 09:39:38.811 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 09:39:38.811 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-1/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 09:39:38.976 INFO blam! b6aca8bf6f8b439a3b19eb2333dd95435c5c372d2c007b762fd165cceef2797c
Sep 04 09:39:38.980 INFO running `"docker" "start" "-a" "b6aca8bf6f8b439a3b19eb2333dd95435c5c372d2c007b762fd165cceef2797c"`
Sep 04 09:39:39.740 INFO kablam!     Checking pretty_assertions v0.3.4
Sep 04 09:39:39.740 INFO kablam!     Checking nqueens v0.1.2 (file:///source)
Sep 04 09:39:40.811 INFO kablam! warning: unused `#[macro_use]` import
Sep 04 09:39:40.811 INFO kablam!  --> src/lib.rs:2:1
Sep 04 09:39:40.811 INFO kablam!   |
Sep 04 09:39:40.811 INFO kablam! 2 | #[macro_use]
Sep 04 09:39:40.811 INFO kablam!   | ^^^^^^^^^^^^
Sep 04 09:39:40.811 INFO kablam!   |
Sep 04 09:39:40.811 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 09:39:40.811 INFO kablam! 
Sep 04 09:39:41.210 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
Sep 04 09:39:41.214 INFO kablam! su: No module specific data is present
Sep 04 09:39:41.594 INFO running `"docker" "rm" "-f" "b6aca8bf6f8b439a3b19eb2333dd95435c5c372d2c007b762fd165cceef2797c"`
Sep 04 09:39:41.723 INFO blam! b6aca8bf6f8b439a3b19eb2333dd95435c5c372d2c007b762fd165cceef2797c