Sep 10 14:49:32.448 INFO checking matrixnum-0.1.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 14:49:32.448 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 14:49:32.448 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-6/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 14:49:32.584 INFO blam! 727104fb63349e3d76f5e4fae6283f109b90f1d0e6157543a26fa69693bd18cd
Sep 10 14:49:32.586 INFO running `"docker" "start" "-a" "727104fb63349e3d76f5e4fae6283f109b90f1d0e6157543a26fa69693bd18cd"`
Sep 10 14:49:33.319 INFO kablam! usermod: no changes
Sep 10 14:49:33.349 INFO kablam!     Checking matrixnum v0.1.0 (file:///source)
Sep 10 14:49:33.605 INFO kablam! warning: unused `#[macro_use]` import
Sep 10 14:49:33.605 INFO kablam!  --> src/lib.rs:1:1
Sep 10 14:49:33.605 INFO kablam!   |
Sep 10 14:49:33.605 INFO kablam! 1 | #[macro_use]
Sep 10 14:49:33.605 INFO kablam!   | ^^^^^^^^^^^^
Sep 10 14:49:33.605 INFO kablam!   |
Sep 10 14:49:33.605 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 14:49:33.605 INFO kablam! 
Sep 10 14:49:33.867 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Sep 10 14:49:33.868 INFO kablam! su: No module specific data is present
Sep 10 14:49:34.522 INFO running `"docker" "rm" "-f" "727104fb63349e3d76f5e4fae6283f109b90f1d0e6157543a26fa69693bd18cd"`
Sep 10 14:49:34.600 INFO blam! 727104fb63349e3d76f5e4fae6283f109b90f1d0e6157543a26fa69693bd18cd