Sep 06 09:58:05.177 INFO checking arbitrary-0.1.1 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 09:58:05.177 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 09:58:05.177 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-7/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 09:58:05.335 INFO blam! 11a1d7ecb656fd7176f60aa35be1c4a1c6f624438cccdce83131a39115ffcd98
Sep 06 09:58:05.338 INFO running `"docker" "start" "-a" "11a1d7ecb656fd7176f60aa35be1c4a1c6f624438cccdce83131a39115ffcd98"`
Sep 06 09:58:05.974 INFO kablam! usermod: no changes
Sep 06 09:58:05.998 INFO kablam!     Checking arbitrary v0.1.1 (file:///source)
Sep 06 09:58:07.506 INFO kablam! error[E0599]: no method named `fill_buffer` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Sep 06 09:58:07.506 INFO kablam!    --> src/lib.rs:474:8
Sep 06 09:58:07.506 INFO kablam!     |
Sep 06 09:58:07.506 INFO kablam! 474 |     rb.fill_buffer(&mut z).unwrap();
Sep 06 09:58:07.506 INFO kablam!     |        ^^^^^^^^^^^
Sep 06 09:58:07.506 INFO kablam!     |
Sep 06 09:58:07.506 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 06 09:58:07.506 INFO kablam!     = note: the following trait defines an item `fill_buffer`, perhaps you need to implement it:
Sep 06 09:58:07.506 INFO kablam!             candidate #1: `Unstructured`
Sep 06 09:58:07.506 INFO kablam! 
Sep 06 09:58:07.538 INFO kablam! error[E0599]: no method named `fill_buffer` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Sep 06 09:58:07.538 INFO kablam!    --> src/lib.rs:476:8
Sep 06 09:58:07.538 INFO kablam!     |
Sep 06 09:58:07.538 INFO kablam! 476 |     rb.fill_buffer(&mut z).unwrap();
Sep 06 09:58:07.538 INFO kablam!     |        ^^^^^^^^^^^
Sep 06 09:58:07.538 INFO kablam!     |
Sep 06 09:58:07.538 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 06 09:58:07.538 INFO kablam!     = note: the following trait defines an item `fill_buffer`, perhaps you need to implement it:
Sep 06 09:58:07.538 INFO kablam!             candidate #1: `Unstructured`
Sep 06 09:58:07.538 INFO kablam! 
Sep 06 09:58:07.538 INFO kablam! error[E0599]: no method named `container_size` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Sep 06 09:58:07.538 INFO kablam!    --> src/lib.rs:484:19
Sep 06 09:58:07.538 INFO kablam!     |
Sep 06 09:58:07.538 INFO kablam! 484 |     assert_eq!(rb.container_size().unwrap(), 9);
Sep 06 09:58:07.538 INFO kablam!     |                   ^^^^^^^^^^^^^^
Sep 06 09:58:07.538 INFO kablam!     |
Sep 06 09:58:07.538 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 06 09:58:07.538 INFO kablam!     = note: the following trait defines an item `container_size`, perhaps you need to implement it:
Sep 06 09:58:07.538 INFO kablam!             candidate #1: `Unstructured`
Sep 06 09:58:07.538 INFO kablam! 
Sep 06 09:58:07.538 INFO kablam! error[E0599]: no method named `container_size` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Sep 06 09:58:07.538 INFO kablam!    --> src/lib.rs:485:19
Sep 06 09:58:07.538 INFO kablam!     |
Sep 06 09:58:07.538 INFO kablam! 485 |     assert_eq!(rb.container_size().unwrap(), 1);
Sep 06 09:58:07.538 INFO kablam!     |                   ^^^^^^^^^^^^^^
Sep 06 09:58:07.538 INFO kablam!     |
Sep 06 09:58:07.538 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 06 09:58:07.538 INFO kablam!     = note: the following trait defines an item `container_size`, perhaps you need to implement it:
Sep 06 09:58:07.538 INFO kablam!             candidate #1: `Unstructured`
Sep 06 09:58:07.538 INFO kablam! 
Sep 06 09:58:07.538 INFO kablam! error[E0599]: no method named `container_size` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Sep 06 09:58:07.538 INFO kablam!    --> src/lib.rs:486:19
Sep 06 09:58:07.538 INFO kablam!     |
Sep 06 09:58:07.538 INFO kablam! 486 |     assert_eq!(rb.container_size().unwrap(), 2);
Sep 06 09:58:07.538 INFO kablam!     |                   ^^^^^^^^^^^^^^
Sep 06 09:58:07.538 INFO kablam!     |
Sep 06 09:58:07.538 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 06 09:58:07.538 INFO kablam!     = note: the following trait defines an item `container_size`, perhaps you need to implement it:
Sep 06 09:58:07.538 INFO kablam!             candidate #1: `Unstructured`
Sep 06 09:58:07.538 INFO kablam! 
Sep 06 09:58:07.539 INFO kablam! error[E0599]: no method named `container_size` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Sep 06 09:58:07.539 INFO kablam!    --> src/lib.rs:487:19
Sep 06 09:58:07.539 INFO kablam!     |
Sep 06 09:58:07.539 INFO kablam! 487 |     assert_eq!(rb.container_size().unwrap(), 6);
Sep 06 09:58:07.539 INFO kablam!     |                   ^^^^^^^^^^^^^^
Sep 06 09:58:07.539 INFO kablam!     |
Sep 06 09:58:07.539 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 06 09:58:07.539 INFO kablam!     = note: the following trait defines an item `container_size`, perhaps you need to implement it:
Sep 06 09:58:07.539 INFO kablam!             candidate #1: `Unstructured`
Sep 06 09:58:07.539 INFO kablam! 
Sep 06 09:58:07.546 INFO kablam! error[E0599]: no method named `container_size` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Sep 06 09:58:07.546 INFO kablam!    --> src/lib.rs:488:19
Sep 06 09:58:07.546 INFO kablam!     |
Sep 06 09:58:07.546 INFO kablam! 488 |     assert_eq!(rb.container_size().unwrap(), 1);
Sep 06 09:58:07.546 INFO kablam!     |                   ^^^^^^^^^^^^^^
Sep 06 09:58:07.546 INFO kablam!     |
Sep 06 09:58:07.546 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 06 09:58:07.546 INFO kablam!     = note: the following trait defines an item `container_size`, perhaps you need to implement it:
Sep 06 09:58:07.546 INFO kablam!             candidate #1: `Unstructured`
Sep 06 09:58:07.546 INFO kablam! 
Sep 06 09:58:07.558 INFO kablam! error: aborting due to 7 previous errors
Sep 06 09:58:07.558 INFO kablam! 
Sep 06 09:58:07.558 INFO kablam! For more information about this error, try `rustc --explain E0599`.
Sep 06 09:58:07.574 INFO kablam! error: Could not compile `arbitrary`.
Sep 06 09:58:07.574 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 06 09:58:08.334 INFO kablam! error: build failed
Sep 06 09:58:08.335 INFO kablam! su: No module specific data is present
Sep 06 09:58:09.260 INFO running `"docker" "rm" "-f" "11a1d7ecb656fd7176f60aa35be1c4a1c6f624438cccdce83131a39115ffcd98"`
Sep 06 09:58:09.343 INFO blam! 11a1d7ecb656fd7176f60aa35be1c4a1c6f624438cccdce83131a39115ffcd98