Sep 20 06:33:40.460 INFO checking arbitrary-0.1.1 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 20 06:33:40.460 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 20 06:33:40.460 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-4/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 06:33:40.605 INFO blam! 8de739fb34b66e1fbe1dc3c6a1a21e6969a9209ca927ab12e25cf79ee7c328c4
Sep 20 06:33:40.606 INFO running `"docker" "start" "-a" "8de739fb34b66e1fbe1dc3c6a1a21e6969a9209ca927ab12e25cf79ee7c328c4"`
Sep 20 06:33:41.403 INFO kablam! usermod: no changes
Sep 20 06:33:41.438 INFO kablam!     Checking arbitrary v0.1.1 (/source)
Sep 20 06:33:42.997 INFO kablam! error[E0599]: no method named `fill_buffer` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Sep 20 06:33:42.997 INFO kablam!    --> src/lib.rs:474:8
Sep 20 06:33:42.997 INFO kablam!     |
Sep 20 06:33:42.997 INFO kablam! 474 |     rb.fill_buffer(&mut z).unwrap();
Sep 20 06:33:42.998 INFO kablam!     |        ^^^^^^^^^^^
Sep 20 06:33:42.998 INFO kablam!     |
Sep 20 06:33:42.998 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 20 06:33:42.998 INFO kablam!     = note: the following trait defines an item `fill_buffer`, perhaps you need to implement it:
Sep 20 06:33:42.998 INFO kablam!             candidate #1: `Unstructured`
Sep 20 06:33:42.998 INFO kablam! 
Sep 20 06:33:43.026 INFO kablam! error[E0599]: no method named `fill_buffer` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Sep 20 06:33:43.026 INFO kablam!    --> src/lib.rs:476:8
Sep 20 06:33:43.026 INFO kablam!     |
Sep 20 06:33:43.026 INFO kablam! 476 |     rb.fill_buffer(&mut z).unwrap();
Sep 20 06:33:43.026 INFO kablam!     |        ^^^^^^^^^^^
Sep 20 06:33:43.026 INFO kablam!     |
Sep 20 06:33:43.027 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 20 06:33:43.027 INFO kablam!     = note: the following trait defines an item `fill_buffer`, perhaps you need to implement it:
Sep 20 06:33:43.027 INFO kablam!             candidate #1: `Unstructured`
Sep 20 06:33:43.027 INFO kablam! 
Sep 20 06:33:43.030 INFO kablam! error[E0599]: no method named `container_size` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Sep 20 06:33:43.030 INFO kablam!    --> src/lib.rs:484:19
Sep 20 06:33:43.030 INFO kablam!     |
Sep 20 06:33:43.030 INFO kablam! 484 |     assert_eq!(rb.container_size().unwrap(), 9);
Sep 20 06:33:43.030 INFO kablam!     |                   ^^^^^^^^^^^^^^
Sep 20 06:33:43.030 INFO kablam!     |
Sep 20 06:33:43.030 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 20 06:33:43.030 INFO kablam!     = note: the following trait defines an item `container_size`, perhaps you need to implement it:
Sep 20 06:33:43.030 INFO kablam!             candidate #1: `Unstructured`
Sep 20 06:33:43.030 INFO kablam! 
Sep 20 06:33:43.036 INFO kablam! error[E0599]: no method named `container_size` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Sep 20 06:33:43.036 INFO kablam!    --> src/lib.rs:485:19
Sep 20 06:33:43.036 INFO kablam!     |
Sep 20 06:33:43.036 INFO kablam! 485 |     assert_eq!(rb.container_size().unwrap(), 1);
Sep 20 06:33:43.036 INFO kablam!     |                   ^^^^^^^^^^^^^^
Sep 20 06:33:43.036 INFO kablam!     |
Sep 20 06:33:43.036 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 20 06:33:43.036 INFO kablam!     = note: the following trait defines an item `container_size`, perhaps you need to implement it:
Sep 20 06:33:43.036 INFO kablam!             candidate #1: `Unstructured`
Sep 20 06:33:43.036 INFO kablam! 
Sep 20 06:33:43.036 INFO kablam! error[E0599]: no method named `container_size` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Sep 20 06:33:43.036 INFO kablam!    --> src/lib.rs:486:19
Sep 20 06:33:43.036 INFO kablam!     |
Sep 20 06:33:43.036 INFO kablam! 486 |     assert_eq!(rb.container_size().unwrap(), 2);
Sep 20 06:33:43.036 INFO kablam!     |                   ^^^^^^^^^^^^^^
Sep 20 06:33:43.036 INFO kablam!     |
Sep 20 06:33:43.036 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 20 06:33:43.036 INFO kablam!     = note: the following trait defines an item `container_size`, perhaps you need to implement it:
Sep 20 06:33:43.036 INFO kablam!             candidate #1: `Unstructured`
Sep 20 06:33:43.036 INFO kablam! 
Sep 20 06:33:43.036 INFO kablam! error[E0599]: no method named `container_size` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Sep 20 06:33:43.036 INFO kablam!    --> src/lib.rs:487:19
Sep 20 06:33:43.036 INFO kablam!     |
Sep 20 06:33:43.036 INFO kablam! 487 |     assert_eq!(rb.container_size().unwrap(), 6);
Sep 20 06:33:43.036 INFO kablam!     |                   ^^^^^^^^^^^^^^
Sep 20 06:33:43.036 INFO kablam!     |
Sep 20 06:33:43.036 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 20 06:33:43.036 INFO kablam!     = note: the following trait defines an item `container_size`, perhaps you need to implement it:
Sep 20 06:33:43.036 INFO kablam!             candidate #1: `Unstructured`
Sep 20 06:33:43.036 INFO kablam! 
Sep 20 06:33:43.043 INFO kablam! error[E0599]: no method named `container_size` found for type `std::result::Result<RingBuffer<'_>, &str>` in the current scope
Sep 20 06:33:43.043 INFO kablam!    --> src/lib.rs:488:19
Sep 20 06:33:43.043 INFO kablam!     |
Sep 20 06:33:43.043 INFO kablam! 488 |     assert_eq!(rb.container_size().unwrap(), 1);
Sep 20 06:33:43.043 INFO kablam!     |                   ^^^^^^^^^^^^^^
Sep 20 06:33:43.043 INFO kablam!     |
Sep 20 06:33:43.043 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 20 06:33:43.043 INFO kablam!     = note: the following trait defines an item `container_size`, perhaps you need to implement it:
Sep 20 06:33:43.043 INFO kablam!             candidate #1: `Unstructured`
Sep 20 06:33:43.043 INFO kablam! 
Sep 20 06:33:43.052 INFO kablam! error: aborting due to 7 previous errors
Sep 20 06:33:43.052 INFO kablam! 
Sep 20 06:33:43.052 INFO kablam! For more information about this error, try `rustc --explain E0599`.
Sep 20 06:33:43.057 INFO kablam! error: Could not compile `arbitrary`.
Sep 20 06:33:43.057 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 20 06:33:43.658 INFO kablam! error: build failed
Sep 20 06:33:43.661 INFO kablam! su: No module specific data is present
Sep 20 06:33:44.209 INFO running `"docker" "rm" "-f" "8de739fb34b66e1fbe1dc3c6a1a21e6969a9209ca927ab12e25cf79ee7c328c4"`
Sep 20 06:33:44.273 INFO blam! 8de739fb34b66e1fbe1dc3c6a1a21e6969a9209ca927ab12e25cf79ee7c328c4