Aug 11 16:25:37.491 INFO checking derivative-1.0.0 against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 11 16:25:37.491 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 16:25:37.491 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 16:25:37.492 INFO running `"docker" "create" "-v" "/tmp/crater.0MH4M3ixufbs:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-3/try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 16:25:37.680 INFO blam! ad3acbd66fe2148caf9787e48afd9db2f7fddadb3c92180e16ebf33c322bb8f0
Aug 11 16:25:37.683 INFO running `"docker" "start" "-a" "ad3acbd66fe2148caf9787e48afd9db2f7fddadb3c92180e16ebf33c322bb8f0"`
Aug 11 16:25:39.217 INFO kablam!     Checking either v1.5.0
Aug 11 16:25:39.218 INFO kablam!     Checking syn v0.10.8
Aug 11 16:25:39.220 INFO kablam!    Compiling derivative v1.0.0 (file:///source)
Aug 11 16:25:39.853 INFO kablam!     Checking itertools v0.5.10
Aug 11 16:26:18.594 INFO kablam! warning: unused comparison which must be used
Aug 11 16:26:18.594 INFO kablam!   --> tests/rustc-deriving-meta-multiple.rs:34:5
Aug 11 16:26:18.594 INFO kablam!    |
Aug 11 16:26:18.594 INFO kablam! 34 |     a == a;    // check for PartialEq impl w/o testing its correctness
Aug 11 16:26:18.595 INFO kablam!    |     ^^^^^^
Aug 11 16:26:18.595 INFO kablam!    |
Aug 11 16:26:18.595 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 11 16:26:18.595 INFO kablam! 
Aug 11 16:26:18.656 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Aug 11 16:26:18.656 INFO kablam!   --> tests/rustc-deriving-meta-multiple.rs:35:5
Aug 11 16:26:18.656 INFO kablam!    |
Aug 11 16:26:18.656 INFO kablam! 35 |     a.clone(); // check for Clone impl w/o testing its correctness
Aug 11 16:26:18.656 INFO kablam!    |     ^^^^^^^^^^
Aug 11 16:26:18.657 INFO kablam!    |
Aug 11 16:26:18.657 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Aug 11 16:26:18.657 INFO kablam! 
Aug 11 16:26:19.152 INFO kablam! error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
Aug 11 16:26:19.152 INFO kablam!   --> tests/rustc-issue-25394.rs:18:24
Aug 11 16:26:19.153 INFO kablam!    |
Aug 11 16:26:19.153 INFO kablam! 18 | fn use_row(_: Row<u8>) {}
Aug 11 16:26:19.153 INFO kablam!    |                        ^ doesn't have a size known at compile-time
Aug 11 16:26:19.153 INFO kablam!    |
Aug 11 16:26:19.153 INFO kablam!    = help: within `Row<u8>`, the trait `std::marker::Sized` is not implemented for `[u8]`
Aug 11 16:26:19.153 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 11 16:26:19.153 INFO kablam!    = note: required because it appears within the type `Row<u8>`
Aug 11 16:26:19.153 INFO kablam! 
Aug 11 16:26:19.157 INFO kablam! error: aborting due to previous error
Aug 11 16:26:19.157 INFO kablam! 
Aug 11 16:26:19.157 INFO kablam! For more information about this error, try `rustc --explain E0277`.
Aug 11 16:26:19.168 INFO kablam! error: Could not compile `derivative`.
Aug 11 16:26:19.168 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 16:26:20.775 INFO kablam! error: build failed
Aug 11 16:26:20.777 INFO kablam! su: No module specific data is present
Aug 11 16:26:21.494 INFO running `"docker" "rm" "-f" "ad3acbd66fe2148caf9787e48afd9db2f7fddadb3c92180e16ebf33c322bb8f0"`
Aug 11 16:26:21.673 INFO blam! ad3acbd66fe2148caf9787e48afd9db2f7fddadb3c92180e16ebf33c322bb8f0