Jul 12 13:57:34.105 INFO checking arbitrary-0.1.1 against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 12 13:57:34.105 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 13:57:34.105 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 13:57:34.105 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-2/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 13:57:34.335 INFO blam! 76d5b407d0f589eb068b211dacdf7611c475fdef1e719d2bf08ef335f53ce3de
Jul 12 13:57:34.338 INFO running `"docker" "start" "-a" "76d5b407d0f589eb068b211dacdf7611c475fdef1e719d2bf08ef335f53ce3de"`
Jul 12 13:57:35.440 INFO kablam!     Checking arbitrary v0.1.1 (file:///source)
Jul 12 13:57:40.354 INFO kablam! error[E0599]: no method named `fill_buffer` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Jul 12 13:57:40.354 INFO kablam!    --> src/lib.rs:474:8
Jul 12 13:57:40.354 INFO kablam!     |
Jul 12 13:57:40.354 INFO kablam! 474 |     rb.fill_buffer(&mut z).unwrap();
Jul 12 13:57:40.354 INFO kablam!     |        ^^^^^^^^^^^
Jul 12 13:57:40.355 INFO kablam!     |
Jul 12 13:57:40.355 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Jul 12 13:57:40.355 INFO kablam!     = note: the following trait defines an item `fill_buffer`, perhaps you need to implement it:
Jul 12 13:57:40.355 INFO kablam!             candidate #1: `Unstructured`
Jul 12 13:57:40.355 INFO kablam! 
Jul 12 13:57:40.549 INFO kablam! error[E0599]: no method named `fill_buffer` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Jul 12 13:57:40.549 INFO kablam!    --> src/lib.rs:476:8
Jul 12 13:57:40.549 INFO kablam!     |
Jul 12 13:57:40.549 INFO kablam! 476 |     rb.fill_buffer(&mut z).unwrap();
Jul 12 13:57:40.549 INFO kablam!     |        ^^^^^^^^^^^
Jul 12 13:57:40.550 INFO kablam!     |
Jul 12 13:57:40.550 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Jul 12 13:57:40.550 INFO kablam!     = note: the following trait defines an item `fill_buffer`, perhaps you need to implement it:
Jul 12 13:57:40.550 INFO kablam!             candidate #1: `Unstructured`
Jul 12 13:57:40.550 INFO kablam! 
Jul 12 13:57:40.559 INFO kablam! error[E0599]: no method named `container_size` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Jul 12 13:57:40.559 INFO kablam!    --> src/lib.rs:484:19
Jul 12 13:57:40.559 INFO kablam!     |
Jul 12 13:57:40.559 INFO kablam! 484 |     assert_eq!(rb.container_size().unwrap(), 9);
Jul 12 13:57:40.559 INFO kablam!     |                   ^^^^^^^^^^^^^^
Jul 12 13:57:40.566 INFO kablam!     |
Jul 12 13:57:40.566 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Jul 12 13:57:40.567 INFO kablam!     = note: the following trait defines an item `container_size`, perhaps you need to implement it:
Jul 12 13:57:40.567 INFO kablam!             candidate #1: `Unstructured`
Jul 12 13:57:40.567 INFO kablam! 
Jul 12 13:57:40.570 INFO kablam! error[E0599]: no method named `container_size` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Jul 12 13:57:40.570 INFO kablam!    --> src/lib.rs:485:19
Jul 12 13:57:40.570 INFO kablam!     |
Jul 12 13:57:40.570 INFO kablam! 485 |     assert_eq!(rb.container_size().unwrap(), 1);
Jul 12 13:57:40.571 INFO kablam!     |                   ^^^^^^^^^^^^^^
Jul 12 13:57:40.571 INFO kablam!     |
Jul 12 13:57:40.571 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Jul 12 13:57:40.571 INFO kablam!     = note: the following trait defines an item `container_size`, perhaps you need to implement it:
Jul 12 13:57:40.571 INFO kablam!             candidate #1: `Unstructured`
Jul 12 13:57:40.571 INFO kablam! 
Jul 12 13:57:40.573 INFO kablam! error[E0599]: no method named `container_size` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Jul 12 13:57:40.573 INFO kablam!    --> src/lib.rs:486:19
Jul 12 13:57:40.573 INFO kablam!     |
Jul 12 13:57:40.573 INFO kablam! 486 |     assert_eq!(rb.container_size().unwrap(), 2);
Jul 12 13:57:40.573 INFO kablam!     |                   ^^^^^^^^^^^^^^
Jul 12 13:57:40.582 INFO kablam!     |
Jul 12 13:57:40.582 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Jul 12 13:57:40.583 INFO kablam!     = note: the following trait defines an item `container_size`, perhaps you need to implement it:
Jul 12 13:57:40.583 INFO kablam!             candidate #1: `Unstructured`
Jul 12 13:57:40.583 INFO kablam! 
Jul 12 13:57:40.586 INFO kablam! error[E0599]: no method named `container_size` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Jul 12 13:57:40.586 INFO kablam!    --> src/lib.rs:487:19
Jul 12 13:57:40.587 INFO kablam!     |
Jul 12 13:57:40.587 INFO kablam! 487 |     assert_eq!(rb.container_size().unwrap(), 6);
Jul 12 13:57:40.587 INFO kablam!     |                   ^^^^^^^^^^^^^^
Jul 12 13:57:40.587 INFO kablam!     |
Jul 12 13:57:40.587 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Jul 12 13:57:40.587 INFO kablam!     = note: the following trait defines an item `container_size`, perhaps you need to implement it:
Jul 12 13:57:40.587 INFO kablam!             candidate #1: `Unstructured`
Jul 12 13:57:40.587 INFO kablam! 
Jul 12 13:57:40.590 INFO kablam! error[E0599]: no method named `container_size` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Jul 12 13:57:40.590 INFO kablam!    --> src/lib.rs:488:19
Jul 12 13:57:40.590 INFO kablam!     |
Jul 12 13:57:40.590 INFO kablam! 488 |     assert_eq!(rb.container_size().unwrap(), 1);
Jul 12 13:57:40.590 INFO kablam!     |                   ^^^^^^^^^^^^^^
Jul 12 13:57:40.590 INFO kablam!     |
Jul 12 13:57:40.590 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Jul 12 13:57:40.590 INFO kablam!     = note: the following trait defines an item `container_size`, perhaps you need to implement it:
Jul 12 13:57:40.590 INFO kablam!             candidate #1: `Unstructured`
Jul 12 13:57:40.590 INFO kablam! 
Jul 12 13:57:40.630 INFO kablam! error: aborting due to 7 previous errors
Jul 12 13:57:40.638 INFO kablam! 
Jul 12 13:57:40.638 INFO kablam! For more information about this error, try `rustc --explain E0599`.
Jul 12 13:57:40.659 INFO kablam! error: Could not compile `arbitrary`.
Jul 12 13:57:40.659 INFO kablam! warning: build failed, waiting for other jobs to finish...
Jul 12 13:57:42.668 INFO kablam! error: build failed
Jul 12 13:57:42.670 INFO kablam! su: No module specific data is present
Jul 12 13:57:43.206 INFO running `"docker" "rm" "-f" "76d5b407d0f589eb068b211dacdf7611c475fdef1e719d2bf08ef335f53ce3de"`
Jul 12 13:57:43.426 INFO blam! 76d5b407d0f589eb068b211dacdf7611c475fdef1e719d2bf08ef335f53ce3de