Aug 30 19:42:40.389 INFO checking difference-2.0.0 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 30 19:42:40.389 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 30 19:42:40.389 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-2/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 19:42:40.589 INFO blam! 05f71109bc1a6578a33f86c2115ad1e9a8e8c0ee3f66280b00b9ad7f01045a1b
Aug 30 19:42:40.592 INFO running `"docker" "start" "-a" "05f71109bc1a6578a33f86c2115ad1e9a8e8c0ee3f66280b00b9ad7f01045a1b"`
Aug 30 19:42:41.444 INFO kablam!     Checking difference v2.0.0 (file:///source)
Aug 30 19:42:42.606 INFO kablam! warning: unknown lint: `needless_pass_by_value`
Aug 30 19:42:42.606 INFO kablam!    --> tests/quickcheck.rs:103:9
Aug 30 19:42:42.606 INFO kablam!     |
Aug 30 19:42:42.606 INFO kablam! 103 | #[allow(needless_pass_by_value)]
Aug 30 19:42:42.606 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^
Aug 30 19:42:42.606 INFO kablam!     |
Aug 30 19:42:42.606 INFO kablam!     = note: #[warn(unknown_lints)] on by default
Aug 30 19:42:42.606 INFO kablam! 
Aug 30 19:42:44.884 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.54s
Aug 30 19:42:44.893 INFO kablam! su: No module specific data is present
Aug 30 19:42:45.250 INFO running `"docker" "rm" "-f" "05f71109bc1a6578a33f86c2115ad1e9a8e8c0ee3f66280b00b9ad7f01045a1b"`
Aug 30 19:42:45.368 INFO blam! 05f71109bc1a6578a33f86c2115ad1e9a8e8c0ee3f66280b00b9ad7f01045a1b