Sep 06 02:41:39.235 INFO checking pattern-3-0.5.0 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 02:41:39.235 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 02:41:39.235 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-5/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 02:41:39.394 INFO blam! 2572fef166296149806547486e41d045d01f28834b18aaaa5a4f0d2b4d15beba
Sep 06 02:41:39.396 INFO running `"docker" "start" "-a" "2572fef166296149806547486e41d045d01f28834b18aaaa5a4f0d2b4d15beba"`
Sep 06 02:41:40.481 INFO kablam! usermod: no changes
Sep 06 02:41:40.602 INFO kablam!     Checking pattern-3 v0.5.0 (file:///source)
Sep 06 02:41:41.932 INFO kablam! warning: the feature `iterator_find_map` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 06 02:41:41.933 INFO kablam!   --> src/lib.rs:15:5
Sep 06 02:41:41.933 INFO kablam!    |
Sep 06 02:41:41.933 INFO kablam! 15 |     iterator_find_map,
Sep 06 02:41:41.933 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Sep 06 02:41:41.933 INFO kablam!    |
Sep 06 02:41:41.933 INFO kablam!    = note: #[warn(stable_features)] on by default
Sep 06 02:41:41.933 INFO kablam! 
Sep 06 02:41:43.921 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.40s
Sep 06 02:41:43.924 INFO kablam! su: No module specific data is present
Sep 06 02:41:44.468 INFO running `"docker" "rm" "-f" "2572fef166296149806547486e41d045d01f28834b18aaaa5a4f0d2b4d15beba"`
Sep 06 02:41:44.564 INFO blam! 2572fef166296149806547486e41d045d01f28834b18aaaa5a4f0d2b4d15beba