Sep 14 17:42:30.074 INFO checking derivative-1.0.0 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 17:42:30.074 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 17:42:30.075 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-3/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 17:42:30.331 INFO blam! 31c6d0929cab1f6fe5ebb7540c6d5bf13a4d3a5ea44e3a301bab85d4d75df8eb
Sep 14 17:42:30.336 INFO running `"docker" "start" "-a" "31c6d0929cab1f6fe5ebb7540c6d5bf13a4d3a5ea44e3a301bab85d4d75df8eb"`
Sep 14 17:42:31.722 INFO kablam! usermod: no changes
Sep 14 17:42:31.887 INFO kablam!     Checking syn v0.10.8
Sep 14 17:42:31.887 INFO kablam!    Compiling derivative v1.0.0 (file:///source)
Sep 14 17:42:39.707 INFO kablam! error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
Sep 14 17:42:39.707 INFO kablam!   --> tests/rustc-issue-25394.rs:18:24
Sep 14 17:42:39.707 INFO kablam!    |
Sep 14 17:42:39.707 INFO kablam! 18 | fn use_row(_: Row<u8>) {}
Sep 14 17:42:39.707 INFO kablam!    |                        ^ doesn't have a size known at compile-time
Sep 14 17:42:39.707 INFO kablam!    |
Sep 14 17:42:39.707 INFO kablam!    = help: within `Row<u8>`, the trait `std::marker::Sized` is not implemented for `[u8]`
Sep 14 17:42:39.707 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>
Sep 14 17:42:39.707 INFO kablam!    = note: required because it appears within the type `Row<u8>`
Sep 14 17:42:39.707 INFO kablam!    = note: all function arguments must have a statically known size
Sep 14 17:42:39.707 INFO kablam!    = help: unsized locals are gated as an unstable feature
Sep 14 17:42:39.707 INFO kablam! 
Sep 14 17:42:39.708 INFO kablam! error: aborting due to previous error
Sep 14 17:42:39.708 INFO kablam! 
Sep 14 17:42:39.708 INFO kablam! For more information about this error, try `rustc --explain E0277`.
Sep 14 17:42:39.721 INFO kablam! error: Could not compile `derivative`.
Sep 14 17:42:39.721 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 14 17:42:39.991 INFO kablam! error: build failed
Sep 14 17:42:39.992 INFO kablam! su: No module specific data is present
Sep 14 17:42:40.396 INFO running `"docker" "rm" "-f" "31c6d0929cab1f6fe5ebb7540c6d5bf13a4d3a5ea44e3a301bab85d4d75df8eb"`
Sep 14 17:42:40.469 INFO blam! 31c6d0929cab1f6fe5ebb7540c6d5bf13a4d3a5ea44e3a301bab85d4d75df8eb