Sep 01 12:47:49.944 INFO checking nqueens-0.1.2 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 12:47:49.944 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 12:47:49.944 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-0/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 12:47:50.158 INFO blam! 648592efa369aee9f2f021173d9b0e032857443053ffce3e7a79b17751e26b67
Sep 01 12:47:50.160 INFO running `"docker" "start" "-a" "648592efa369aee9f2f021173d9b0e032857443053ffce3e7a79b17751e26b67"`
Sep 01 12:47:50.940 INFO kablam!     Checking pretty_assertions v0.3.4
Sep 01 12:47:50.940 INFO kablam!     Checking nqueens v0.1.2 (file:///source)
Sep 01 12:47:52.431 INFO kablam! warning: unused `#[macro_use]` import
Sep 01 12:47:52.431 INFO kablam!  --> src/lib.rs:2:1
Sep 01 12:47:52.431 INFO kablam!   |
Sep 01 12:47:52.431 INFO kablam! 2 | #[macro_use]
Sep 01 12:47:52.431 INFO kablam!   | ^^^^^^^^^^^^
Sep 01 12:47:52.431 INFO kablam!   |
Sep 01 12:47:52.431 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 12:47:52.431 INFO kablam! 
Sep 01 12:47:52.986 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
Sep 01 12:47:52.992 INFO kablam! su: No module specific data is present
Sep 01 12:47:53.447 INFO running `"docker" "rm" "-f" "648592efa369aee9f2f021173d9b0e032857443053ffce3e7a79b17751e26b67"`
Sep 01 12:47:53.585 INFO blam! 648592efa369aee9f2f021173d9b0e032857443053ffce3e7a79b17751e26b67