Sep 10 22:45:02.141 INFO checking arbitrary-0.1.1 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 22:45:02.141 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 22:45:02.141 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-5/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 22:45:02.295 INFO blam! 7adf95258f68e2e9aba39d27e9e4a63f252000993c707b9dd87fda24480c56a7
Sep 10 22:45:02.297 INFO running `"docker" "start" "-a" "7adf95258f68e2e9aba39d27e9e4a63f252000993c707b9dd87fda24480c56a7"`
Sep 10 22:45:03.401 INFO kablam! usermod: no changes
Sep 10 22:45:03.442 INFO kablam!     Checking arbitrary v0.1.1 (file:///source)
Sep 10 22:45:05.764 INFO kablam! error[E0599]: no method named `fill_buffer` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Sep 10 22:45:05.764 INFO kablam!    --> src/lib.rs:474:8
Sep 10 22:45:05.764 INFO kablam!     |
Sep 10 22:45:05.764 INFO kablam! 474 |     rb.fill_buffer(&mut z).unwrap();
Sep 10 22:45:05.764 INFO kablam!     |        ^^^^^^^^^^^
Sep 10 22:45:05.764 INFO kablam!     |
Sep 10 22:45:05.764 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 10 22:45:05.764 INFO kablam!     = note: the following trait defines an item `fill_buffer`, perhaps you need to implement it:
Sep 10 22:45:05.764 INFO kablam!             candidate #1: `Unstructured`
Sep 10 22:45:05.764 INFO kablam! 
Sep 10 22:45:05.795 INFO kablam! error[E0599]: no method named `fill_buffer` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Sep 10 22:45:05.795 INFO kablam!    --> src/lib.rs:476:8
Sep 10 22:45:05.795 INFO kablam!     |
Sep 10 22:45:05.795 INFO kablam! 476 |     rb.fill_buffer(&mut z).unwrap();
Sep 10 22:45:05.795 INFO kablam!     |        ^^^^^^^^^^^
Sep 10 22:45:05.795 INFO kablam!     |
Sep 10 22:45:05.795 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 10 22:45:05.795 INFO kablam!     = note: the following trait defines an item `fill_buffer`, perhaps you need to implement it:
Sep 10 22:45:05.795 INFO kablam!             candidate #1: `Unstructured`
Sep 10 22:45:05.795 INFO kablam! 
Sep 10 22:45:05.797 INFO kablam! error[E0599]: no method named `container_size` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Sep 10 22:45:05.797 INFO kablam!    --> src/lib.rs:484:19
Sep 10 22:45:05.797 INFO kablam!     |
Sep 10 22:45:05.797 INFO kablam! 484 |     assert_eq!(rb.container_size().unwrap(), 9);
Sep 10 22:45:05.797 INFO kablam!     |                   ^^^^^^^^^^^^^^
Sep 10 22:45:05.797 INFO kablam!     |
Sep 10 22:45:05.797 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 10 22:45:05.797 INFO kablam!     = note: the following trait defines an item `container_size`, perhaps you need to implement it:
Sep 10 22:45:05.797 INFO kablam!             candidate #1: `Unstructured`
Sep 10 22:45:05.797 INFO kablam! 
Sep 10 22:45:05.799 INFO kablam! error[E0599]: no method named `container_size` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Sep 10 22:45:05.799 INFO kablam!    --> src/lib.rs:485:19
Sep 10 22:45:05.799 INFO kablam!     |
Sep 10 22:45:05.799 INFO kablam! 485 |     assert_eq!(rb.container_size().unwrap(), 1);
Sep 10 22:45:05.799 INFO kablam!     |                   ^^^^^^^^^^^^^^
Sep 10 22:45:05.799 INFO kablam!     |
Sep 10 22:45:05.799 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 10 22:45:05.799 INFO kablam!     = note: the following trait defines an item `container_size`, perhaps you need to implement it:
Sep 10 22:45:05.799 INFO kablam!             candidate #1: `Unstructured`
Sep 10 22:45:05.799 INFO kablam! 
Sep 10 22:45:05.800 INFO kablam! error[E0599]: no method named `container_size` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Sep 10 22:45:05.800 INFO kablam!    --> src/lib.rs:486:19
Sep 10 22:45:05.800 INFO kablam!     |
Sep 10 22:45:05.800 INFO kablam! 486 |     assert_eq!(rb.container_size().unwrap(), 2);
Sep 10 22:45:05.800 INFO kablam!     |                   ^^^^^^^^^^^^^^
Sep 10 22:45:05.800 INFO kablam!     |
Sep 10 22:45:05.800 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 10 22:45:05.800 INFO kablam!     = note: the following trait defines an item `container_size`, perhaps you need to implement it:
Sep 10 22:45:05.800 INFO kablam!             candidate #1: `Unstructured`
Sep 10 22:45:05.800 INFO kablam! 
Sep 10 22:45:05.802 INFO kablam! error[E0599]: no method named `container_size` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Sep 10 22:45:05.802 INFO kablam!    --> src/lib.rs:487:19
Sep 10 22:45:05.802 INFO kablam!     |
Sep 10 22:45:05.802 INFO kablam! 487 |     assert_eq!(rb.container_size().unwrap(), 6);
Sep 10 22:45:05.802 INFO kablam!     |                   ^^^^^^^^^^^^^^
Sep 10 22:45:05.802 INFO kablam!     |
Sep 10 22:45:05.802 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 10 22:45:05.802 INFO kablam!     = note: the following trait defines an item `container_size`, perhaps you need to implement it:
Sep 10 22:45:05.802 INFO kablam!             candidate #1: `Unstructured`
Sep 10 22:45:05.802 INFO kablam! 
Sep 10 22:45:05.804 INFO kablam! error[E0599]: no method named `container_size` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Sep 10 22:45:05.804 INFO kablam!    --> src/lib.rs:488:19
Sep 10 22:45:05.804 INFO kablam!     |
Sep 10 22:45:05.804 INFO kablam! 488 |     assert_eq!(rb.container_size().unwrap(), 1);
Sep 10 22:45:05.804 INFO kablam!     |                   ^^^^^^^^^^^^^^
Sep 10 22:45:05.804 INFO kablam!     |
Sep 10 22:45:05.804 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 10 22:45:05.804 INFO kablam!     = note: the following trait defines an item `container_size`, perhaps you need to implement it:
Sep 10 22:45:05.804 INFO kablam!             candidate #1: `Unstructured`
Sep 10 22:45:05.804 INFO kablam! 
Sep 10 22:45:05.821 INFO kablam! error: aborting due to 7 previous errors
Sep 10 22:45:05.821 INFO kablam! 
Sep 10 22:45:05.821 INFO kablam! For more information about this error, try `rustc --explain E0599`.
Sep 10 22:45:05.829 INFO kablam! error: Could not compile `arbitrary`.
Sep 10 22:45:05.829 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 22:45:06.349 INFO kablam! error: build failed
Sep 10 22:45:06.351 INFO kablam! su: No module specific data is present
Sep 10 22:45:06.936 INFO running `"docker" "rm" "-f" "7adf95258f68e2e9aba39d27e9e4a63f252000993c707b9dd87fda24480c56a7"`
Sep 10 22:45:07.037 INFO blam! 7adf95258f68e2e9aba39d27e9e4a63f252000993c707b9dd87fda24480c56a7