Sep 02 03:17:05.885 INFO checking appendbuf-0.1.6 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 02 03:17:05.885 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 03:17:05.885 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/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 02 03:17:06.086 INFO blam! 2a20cfd0b599e70b5a5e26098f52160e1322351988d1eac6e1bedfebe1fdf676
Sep 02 03:17:06.089 INFO running `"docker" "start" "-a" "2a20cfd0b599e70b5a5e26098f52160e1322351988d1eac6e1bedfebe1fdf676"`
Sep 02 03:17:06.869 INFO kablam!     Checking memalloc v0.1.0
Sep 02 03:17:07.636 INFO kablam!     Checking appendbuf v0.1.6 (file:///source)
Sep 02 03:17:08.518 INFO kablam! warning: attribute must be of the form: `#[should_panic]` or `#[should_panic(expected = "error message")]`
Sep 02 03:17:08.518 INFO kablam!    --> src/lib.rs:401:1
Sep 02 03:17:08.518 INFO kablam!     |
Sep 02 03:17:08.518 INFO kablam! 401 | #[should_panic = "the desired offset"]
Sep 02 03:17:08.518 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 03:17:08.518 INFO kablam!     |
Sep 02 03:17:08.518 INFO kablam!     = note: Errors in this attribute were erroneously allowed and will become a hard error in a future release.
Sep 02 03:17:08.518 INFO kablam! 
Sep 02 03:17:08.518 INFO kablam! warning: attribute must be of the form: `#[should_panic]` or `#[should_panic(expected = "error message")]`
Sep 02 03:17:08.518 INFO kablam!    --> src/lib.rs:412:1
Sep 02 03:17:08.518 INFO kablam!     |
Sep 02 03:17:08.518 INFO kablam! 412 | #[should_panic = "the desired length"]
Sep 02 03:17:08.518 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 03:17:08.518 INFO kablam!     |
Sep 02 03:17:08.518 INFO kablam!     = note: Errors in this attribute were erroneously allowed and will become a hard error in a future release.
Sep 02 03:17:08.518 INFO kablam! 
Sep 02 03:17:09.108 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.26s
Sep 02 03:17:09.112 INFO kablam! su: No module specific data is present
Sep 02 03:17:09.695 INFO running `"docker" "rm" "-f" "2a20cfd0b599e70b5a5e26098f52160e1322351988d1eac6e1bedfebe1fdf676"`
Sep 02 03:17:09.782 INFO blam! 2a20cfd0b599e70b5a5e26098f52160e1322351988d1eac6e1bedfebe1fdf676