Aug 30 20:19:41.224 INFO checking derivative-1.0.0 against try#2d477f9981361618ac78253c28051a66b6cea125 for pr-53707
Aug 30 20:19:41.224 INFO running: cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets
Aug 30 20:19:41.224 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53707/try#2d477f9981361618ac78253c28051a66b6cea125:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-2/try#2d477f9981361618ac78253c28051a66b6cea125:/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 +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 20:19:41.521 INFO blam! 88baffa072712ff5d8113030bc3e9cff79a817f36e83c07ad39eae9eaa5e7a1a
Aug 30 20:19:41.523 INFO running `"docker" "start" "-a" "88baffa072712ff5d8113030bc3e9cff79a817f36e83c07ad39eae9eaa5e7a1a"`
Aug 30 20:19:42.517 INFO kablam!     Checking syn v0.10.8
Aug 30 20:19:42.517 INFO kablam!     Checking itertools v0.5.10
Aug 30 20:19:42.518 INFO kablam!    Compiling derivative v1.0.0 (file:///source)
Aug 30 20:20:14.712 INFO kablam! error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
Aug 30 20:20:14.712 INFO kablam!   --> tests/rustc-issue-25394.rs:18:24
Aug 30 20:20:14.712 INFO kablam!    |
Aug 30 20:20:14.712 INFO kablam! 18 | fn use_row(_: Row<u8>) {}
Aug 30 20:20:14.712 INFO kablam!    |                        ^ doesn't have a size known at compile-time
Aug 30 20:20:14.712 INFO kablam!    |
Aug 30 20:20:14.712 INFO kablam!    = help: within `Row<u8>`, the trait `std::marker::Sized` is not implemented for `[u8]`
Aug 30 20:20:14.712 INFO kablam!    = note: to learn more, visit <https://doc.rust-lang.org/book/second-edition/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
Aug 30 20:20:14.712 INFO kablam!    = note: required because it appears within the type `Row<u8>`
Aug 30 20:20:14.712 INFO kablam!    = note: all function arguments must have a statically known size
Aug 30 20:20:14.712 INFO kablam!    = help: unsized locals are gated as an unstable feature
Aug 30 20:20:14.712 INFO kablam! 
Aug 30 20:20:14.767 INFO kablam! error: aborting due to previous error
Aug 30 20:20:14.767 INFO kablam! 
Aug 30 20:20:14.767 INFO kablam! For more information about this error, try `rustc --explain E0277`.
Aug 30 20:20:14.797 INFO kablam! error: Could not compile `derivative`.
Aug 30 20:20:14.798 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 30 20:20:15.661 INFO kablam! error: build failed
Aug 30 20:20:15.663 INFO kablam! su: No module specific data is present
Aug 30 20:20:16.141 INFO running `"docker" "rm" "-f" "88baffa072712ff5d8113030bc3e9cff79a817f36e83c07ad39eae9eaa5e7a1a"`
Aug 30 20:20:16.305 INFO blam! 88baffa072712ff5d8113030bc3e9cff79a817f36e83c07ad39eae9eaa5e7a1a