Aug 30 19:42:39.257 INFO checking difference-2.0.0 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 30 19:42:39.257 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 30 19:42:39.257 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-3/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/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 +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 19:42:39.421 INFO blam! 848555edf3d692819f1dff83b7d0e884693cfc95c52fd0a354a9aa21a55c3f25
Aug 30 19:42:39.423 INFO running `"docker" "start" "-a" "848555edf3d692819f1dff83b7d0e884693cfc95c52fd0a354a9aa21a55c3f25"`
Aug 30 19:42:40.024 INFO kablam!     Checking difference v2.0.0 (file:///source)
Aug 30 19:42:40.991 INFO kablam! warning: unknown lint: `needless_pass_by_value`
Aug 30 19:42:40.991 INFO kablam!    --> tests/quickcheck.rs:103:9
Aug 30 19:42:40.991 INFO kablam!     |
Aug 30 19:42:40.991 INFO kablam! 103 | #[allow(needless_pass_by_value)]
Aug 30 19:42:40.991 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^
Aug 30 19:42:40.991 INFO kablam!     |
Aug 30 19:42:40.992 INFO kablam!     = note: #[warn(unknown_lints)] on by default
Aug 30 19:42:40.992 INFO kablam! 
Aug 30 19:42:43.663 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.69s
Aug 30 19:42:43.674 INFO kablam! su: No module specific data is present
Aug 30 19:42:44.153 INFO running `"docker" "rm" "-f" "848555edf3d692819f1dff83b7d0e884693cfc95c52fd0a354a9aa21a55c3f25"`
Aug 30 19:42:44.272 INFO blam! 848555edf3d692819f1dff83b7d0e884693cfc95c52fd0a354a9aa21a55c3f25