Aug 30 00:52:16.220 INFO checking symbolics_calculus-0.1.0 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 30 00:52:16.220 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 30 00:52:16.221 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-3/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 00:52:16.393 INFO blam! 9d5fee4bcc015355413c4cec52f7757e383267863911f19d0ecce23d3edb52dc
Aug 30 00:52:16.395 INFO running `"docker" "start" "-a" "9d5fee4bcc015355413c4cec52f7757e383267863911f19d0ecce23d3edb52dc"`
Aug 30 00:52:16.997 INFO kablam!     Checking symbolics_core v0.1.2
Aug 30 00:52:17.440 INFO kablam!     Checking symbolics_calculus v0.1.0 (file:///source)
Aug 30 00:52:17.716 INFO kablam! warning: unused `#[macro_use]` import
Aug 30 00:52:17.716 INFO kablam!  --> src/lib.rs:1:1
Aug 30 00:52:17.716 INFO kablam!   |
Aug 30 00:52:17.716 INFO kablam! 1 | #[macro_use]
Aug 30 00:52:17.716 INFO kablam!   | ^^^^^^^^^^^^
Aug 30 00:52:17.716 INFO kablam!   |
Aug 30 00:52:17.716 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 30 00:52:17.716 INFO kablam! 
Aug 30 00:52:17.868 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
Aug 30 00:52:17.871 INFO kablam! su: No module specific data is present
Aug 30 00:52:18.383 INFO running `"docker" "rm" "-f" "9d5fee4bcc015355413c4cec52f7757e383267863911f19d0ecce23d3edb52dc"`
Aug 30 00:52:18.513 INFO blam! 9d5fee4bcc015355413c4cec52f7757e383267863911f19d0ecce23d3edb52dc