Sep 10 13:53:51.126 INFO checking nqueens-0.1.2 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 13:53:51.126 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 13:53:51.126 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/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 13:53:51.363 INFO blam! 0e11bdf72171b6d306af51ffd065323159b327143dbf0be8fd3d49d3d09b3f6a
Sep 10 13:53:51.365 INFO running `"docker" "start" "-a" "0e11bdf72171b6d306af51ffd065323159b327143dbf0be8fd3d49d3d09b3f6a"`
Sep 10 13:53:52.430 INFO kablam! usermod: no changes
Sep 10 13:53:52.516 INFO kablam!     Checking pretty_assertions v0.3.4
Sep 10 13:53:52.526 INFO kablam!     Checking nqueens v0.1.2 (file:///source)
Sep 10 13:53:53.626 INFO kablam! warning: unused `#[macro_use]` import
Sep 10 13:53:53.626 INFO kablam!  --> src/lib.rs:2:1
Sep 10 13:53:53.626 INFO kablam!   |
Sep 10 13:53:53.626 INFO kablam! 2 | #[macro_use]
Sep 10 13:53:53.626 INFO kablam!   | ^^^^^^^^^^^^
Sep 10 13:53:53.626 INFO kablam!   |
Sep 10 13:53:53.626 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 13:53:53.626 INFO kablam! 
Sep 10 13:53:54.518 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
Sep 10 13:53:54.527 INFO kablam! su: No module specific data is present
Sep 10 13:53:55.787 INFO running `"docker" "rm" "-f" "0e11bdf72171b6d306af51ffd065323159b327143dbf0be8fd3d49d3d09b3f6a"`
Sep 10 13:53:55.902 INFO blam! 0e11bdf72171b6d306af51ffd065323159b327143dbf0be8fd3d49d3d09b3f6a