Jul 12 13:59:20.941 INFO checking appendbuf-0.1.6 against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 12 13:59:20.941 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 13:59:20.941 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 13:59:20.941 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-6/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/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 +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 13:59:21.206 INFO blam! b2e04e3df220cd8b6221fc4f53e70dc43f9070e2d6c0c31abf45f002d08c988e
Jul 12 13:59:21.209 INFO running `"docker" "start" "-a" "b2e04e3df220cd8b6221fc4f53e70dc43f9070e2d6c0c31abf45f002d08c988e"`
Jul 12 13:59:22.336 INFO kablam!     Checking memalloc v0.1.0
Jul 12 13:59:23.225 INFO kablam!     Checking appendbuf v0.1.6 (file:///source)
Jul 12 13:59:24.038 INFO kablam! warning: attribute must be of the form: `#[should_panic]` or `#[should_panic(expected = "error message")]`
Jul 12 13:59:24.038 INFO kablam!    --> src/lib.rs:401:1
Jul 12 13:59:24.039 INFO kablam!     |
Jul 12 13:59:24.039 INFO kablam! 401 | #[should_panic = "the desired offset"]
Jul 12 13:59:24.039 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 13:59:24.039 INFO kablam!     |
Jul 12 13:59:24.039 INFO kablam!     = note: Errors in this attribute were erroneously allowed and will become a hard error in a future release.
Jul 12 13:59:24.039 INFO kablam! 
Jul 12 13:59:24.039 INFO kablam! warning: attribute must be of the form: `#[should_panic]` or `#[should_panic(expected = "error message")]`
Jul 12 13:59:24.039 INFO kablam!    --> src/lib.rs:412:1
Jul 12 13:59:24.039 INFO kablam!     |
Jul 12 13:59:24.039 INFO kablam! 412 | #[should_panic = "the desired length"]
Jul 12 13:59:24.039 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 13:59:24.039 INFO kablam!     |
Jul 12 13:59:24.039 INFO kablam!     = note: Errors in this attribute were erroneously allowed and will become a hard error in a future release.
Jul 12 13:59:24.046 INFO kablam! 
Jul 12 13:59:25.011 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.70s
Jul 12 13:59:25.032 INFO kablam! su: No module specific data is present
Jul 12 13:59:25.737 INFO running `"docker" "rm" "-f" "b2e04e3df220cd8b6221fc4f53e70dc43f9070e2d6c0c31abf45f002d08c988e"`
Jul 12 13:59:25.929 INFO blam! b2e04e3df220cd8b6221fc4f53e70dc43f9070e2d6c0c31abf45f002d08c988e