Sep 01 11:45:00.775 INFO checking pattern-3-0.5.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 11:45:00.775 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 11:45:00.775 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 11:45:00.922 INFO blam! 9fa25936986a97f3fa381ecb3b5f3239ad3967665d640ec7efcd6b7c5ed5eef4
Sep 01 11:45:00.924 INFO running `"docker" "start" "-a" "9fa25936986a97f3fa381ecb3b5f3239ad3967665d640ec7efcd6b7c5ed5eef4"`
Sep 01 11:45:01.510 INFO kablam!     Checking pattern-3 v0.5.0 (file:///source)
Sep 01 11:45:03.918 INFO kablam! warning: the feature `iterator_find_map` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 01 11:45:03.918 INFO kablam!   --> src/lib.rs:15:5
Sep 01 11:45:03.918 INFO kablam!    |
Sep 01 11:45:03.918 INFO kablam! 15 |     iterator_find_map,
Sep 01 11:45:03.918 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Sep 01 11:45:03.918 INFO kablam!    |
Sep 01 11:45:03.918 INFO kablam!    = note: #[warn(stable_features)] on by default
Sep 01 11:45:03.918 INFO kablam! 
Sep 01 11:45:09.023 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.54s
Sep 01 11:45:09.029 INFO kablam! su: No module specific data is present
Sep 01 11:45:09.587 INFO running `"docker" "rm" "-f" "9fa25936986a97f3fa381ecb3b5f3239ad3967665d640ec7efcd6b7c5ed5eef4"`
Sep 01 11:45:09.669 INFO blam! 9fa25936986a97f3fa381ecb3b5f3239ad3967665d640ec7efcd6b7c5ed5eef4