Sep 10 14:49:32.593 INFO checking matrixnum-0.1.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 14:49:32.593 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 14:49:32.593 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-5/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 14:49:32.766 INFO blam! 9bda3684b27c95c8d6e2dd8238455150b7a45be3d2e3c9957ea40207b6b66942
Sep 10 14:49:32.768 INFO running `"docker" "start" "-a" "9bda3684b27c95c8d6e2dd8238455150b7a45be3d2e3c9957ea40207b6b66942"`
Sep 10 14:49:33.609 INFO kablam! usermod: no changes
Sep 10 14:49:33.655 INFO kablam!     Checking matrixnum v0.1.0 (file:///source)
Sep 10 14:49:33.919 INFO kablam! warning: unused `#[macro_use]` import
Sep 10 14:49:33.919 INFO kablam!  --> src/lib.rs:1:1
Sep 10 14:49:33.919 INFO kablam!   |
Sep 10 14:49:33.919 INFO kablam! 1 | #[macro_use]
Sep 10 14:49:33.919 INFO kablam!   | ^^^^^^^^^^^^
Sep 10 14:49:33.919 INFO kablam!   |
Sep 10 14:49:33.919 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 14:49:33.919 INFO kablam! 
Sep 10 14:49:34.120 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
Sep 10 14:49:34.122 INFO kablam! su: No module specific data is present
Sep 10 14:49:34.767 INFO running `"docker" "rm" "-f" "9bda3684b27c95c8d6e2dd8238455150b7a45be3d2e3c9957ea40207b6b66942"`
Sep 10 14:49:34.852 INFO blam! 9bda3684b27c95c8d6e2dd8238455150b7a45be3d2e3c9957ea40207b6b66942