Aug 11 16:25:39.187 INFO checking derivative-1.0.0 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 16:25:39.187 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 16:25:39.187 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 16:25:39.188 INFO running `"docker" "create" "-v" "/tmp/crater.L4g9XaOIbjzl:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-2/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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 +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 16:25:39.493 INFO blam! 73583a6fef82188e62c9d21c55667579b6c6b0cd142979c910d1dce05e93708b
Aug 11 16:25:39.495 INFO running `"docker" "start" "-a" "73583a6fef82188e62c9d21c55667579b6c6b0cd142979c910d1dce05e93708b"`
Aug 11 16:25:40.796 INFO kablam!     Checking syn v0.10.8
Aug 11 16:25:40.808 INFO kablam!     Checking itertools v0.5.10
Aug 11 16:25:40.809 INFO kablam!    Compiling derivative v1.0.0 (file:///source)
Aug 11 16:26:15.953 INFO kablam! warning: unused comparison which must be used
Aug 11 16:26:15.953 INFO kablam!   --> tests/rustc-deriving-meta-multiple.rs:34:5
Aug 11 16:26:15.953 INFO kablam!    |
Aug 11 16:26:15.953 INFO kablam! 34 |     a == a;    // check for PartialEq impl w/o testing its correctness
Aug 11 16:26:15.953 INFO kablam!    |     ^^^^^^
Aug 11 16:26:15.953 INFO kablam!    |
Aug 11 16:26:15.953 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 11 16:26:15.953 INFO kablam! 
Aug 11 16:26:15.978 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Aug 11 16:26:15.978 INFO kablam!   --> tests/rustc-deriving-meta-multiple.rs:35:5
Aug 11 16:26:15.979 INFO kablam!    |
Aug 11 16:26:15.979 INFO kablam! 35 |     a.clone(); // check for Clone impl w/o testing its correctness
Aug 11 16:26:15.979 INFO kablam!    |     ^^^^^^^^^^
Aug 11 16:26:15.984 INFO kablam!    |
Aug 11 16:26:15.984 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Aug 11 16:26:15.984 INFO kablam! 
Aug 11 16:26:21.659 INFO kablam! error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
Aug 11 16:26:21.659 INFO kablam!   --> tests/rustc-issue-25394.rs:18:24
Aug 11 16:26:21.659 INFO kablam!    |
Aug 11 16:26:21.659 INFO kablam! 18 | fn use_row(_: Row<u8>) {}
Aug 11 16:26:21.659 INFO kablam!    |                        ^ doesn't have a size known at compile-time
Aug 11 16:26:21.659 INFO kablam!    |
Aug 11 16:26:21.659 INFO kablam!    = help: within `Row<u8>`, the trait `std::marker::Sized` is not implemented for `[u8]`
Aug 11 16:26:21.659 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 16:26:21.659 INFO kablam!    = note: required because it appears within the type `Row<u8>`
Aug 11 16:26:21.659 INFO kablam! 
Aug 11 16:26:21.661 INFO kablam! error: aborting due to previous error
Aug 11 16:26:21.661 INFO kablam! 
Aug 11 16:26:21.661 INFO kablam! For more information about this error, try `rustc --explain E0277`.
Aug 11 16:26:21.668 INFO kablam! error: Could not compile `derivative`.
Aug 11 16:26:21.669 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 16:26:22.007 INFO kablam! warning: unused comparison which must be used
Aug 11 16:26:22.007 INFO kablam!   --> tests/rustc-deriving-meta.rs:31:5
Aug 11 16:26:22.007 INFO kablam!    |
Aug 11 16:26:22.007 INFO kablam! 31 |     a == a;    // check for PartialEq impl w/o testing its correctness
Aug 11 16:26:22.007 INFO kablam!    |     ^^^^^^
Aug 11 16:26:22.007 INFO kablam!    |
Aug 11 16:26:22.007 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 11 16:26:22.007 INFO kablam! 
Aug 11 16:26:22.018 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Aug 11 16:26:22.018 INFO kablam!   --> tests/rustc-deriving-meta.rs:32:5
Aug 11 16:26:22.018 INFO kablam!    |
Aug 11 16:26:22.018 INFO kablam! 32 |     a.clone(); // check for Clone impl w/o testing its correctness
Aug 11 16:26:22.018 INFO kablam!    |     ^^^^^^^^^^
Aug 11 16:26:22.018 INFO kablam!    |
Aug 11 16:26:22.018 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Aug 11 16:26:22.019 INFO kablam! 
Aug 11 16:26:22.296 INFO kablam! error: build failed
Aug 11 16:26:22.297 INFO kablam! su: No module specific data is present
Aug 11 16:26:22.820 INFO running `"docker" "rm" "-f" "73583a6fef82188e62c9d21c55667579b6c6b0cd142979c910d1dce05e93708b"`
Aug 11 16:26:22.904 INFO blam! 73583a6fef82188e62c9d21c55667579b6c6b0cd142979c910d1dce05e93708b