Aug 18 00:32:21.019 INFO checking derivative-1.0.0 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 18 00:32:21.019 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 18 00:32:21.019 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 18 00:32:21.019 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-1/master#142bb27373126edf8367f526358b6c72ecf1d8df:/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 +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 18 00:32:21.262 INFO blam! 7c2f1087d37c4067fe76929cadaa1d4b05c1ce4c7bd68af559e3d491f01d2a9b
Aug 18 00:32:21.265 INFO running `"docker" "start" "-a" "7c2f1087d37c4067fe76929cadaa1d4b05c1ce4c7bd68af559e3d491f01d2a9b"`
Aug 18 00:32:22.255 INFO kablam!     Checking itertools v0.5.10
Aug 18 00:32:22.258 INFO kablam!     Checking syn v0.10.8
Aug 18 00:32:22.262 INFO kablam!    Compiling derivative v1.0.0 (file:///source)
Aug 18 00:32:55.220 INFO kablam! warning: unused comparison which must be used
Aug 18 00:32:55.221 INFO kablam!   --> tests/rustc-deriving-meta.rs:31:5
Aug 18 00:32:55.221 INFO kablam!    |
Aug 18 00:32:55.221 INFO kablam! 31 |     a == a;    // check for PartialEq impl w/o testing its correctness
Aug 18 00:32:55.221 INFO kablam!    |     ^^^^^^
Aug 18 00:32:55.221 INFO kablam!    |
Aug 18 00:32:55.221 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 18 00:32:55.221 INFO kablam! 
Aug 18 00:32:55.392 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Aug 18 00:32:55.393 INFO kablam!   --> tests/rustc-deriving-meta.rs:32:5
Aug 18 00:32:55.393 INFO kablam!    |
Aug 18 00:32:55.393 INFO kablam! 32 |     a.clone(); // check for Clone impl w/o testing its correctness
Aug 18 00:32:55.393 INFO kablam!    |     ^^^^^^^^^^
Aug 18 00:32:55.411 INFO kablam!    |
Aug 18 00:32:55.411 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Aug 18 00:32:55.411 INFO kablam! 
Aug 18 00:32:55.738 INFO kablam! warning: unused comparison which must be used
Aug 18 00:32:55.738 INFO kablam!   --> tests/rustc-deriving-meta-multiple.rs:34:5
Aug 18 00:32:55.738 INFO kablam!    |
Aug 18 00:32:55.738 INFO kablam! 34 |     a == a;    // check for PartialEq impl w/o testing its correctness
Aug 18 00:32:55.738 INFO kablam!    |     ^^^^^^
Aug 18 00:32:55.739 INFO kablam!    |
Aug 18 00:32:55.739 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 18 00:32:55.739 INFO kablam! 
Aug 18 00:32:55.758 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Aug 18 00:32:55.758 INFO kablam!   --> tests/rustc-deriving-meta-multiple.rs:35:5
Aug 18 00:32:55.758 INFO kablam!    |
Aug 18 00:32:55.758 INFO kablam! 35 |     a.clone(); // check for Clone impl w/o testing its correctness
Aug 18 00:32:55.759 INFO kablam!    |     ^^^^^^^^^^
Aug 18 00:32:55.759 INFO kablam!    |
Aug 18 00:32:55.759 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Aug 18 00:32:55.759 INFO kablam! 
Aug 18 00:33:15.159 INFO kablam! error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
Aug 18 00:33:15.159 INFO kablam!   --> tests/rustc-issue-25394.rs:18:24
Aug 18 00:33:15.159 INFO kablam!    |
Aug 18 00:33:15.159 INFO kablam! 18 | fn use_row(_: Row<u8>) {}
Aug 18 00:33:15.159 INFO kablam!    |                        ^ doesn't have a size known at compile-time
Aug 18 00:33:15.164 INFO kablam!    |
Aug 18 00:33:15.165 INFO kablam!    = help: within `Row<u8>`, the trait `std::marker::Sized` is not implemented for `[u8]`
Aug 18 00:33:15.165 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 18 00:33:15.166 INFO kablam!    = note: required because it appears within the type `Row<u8>`
Aug 18 00:33:15.166 INFO kablam! 
Aug 18 00:33:15.186 INFO kablam! error: aborting due to previous error
Aug 18 00:33:15.192 INFO kablam! 
Aug 18 00:33:15.192 INFO kablam! For more information about this error, try `rustc --explain E0277`.
Aug 18 00:33:15.206 INFO kablam! error: Could not compile `derivative`.
Aug 18 00:33:15.209 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 18 00:33:15.895 INFO kablam! error: build failed
Aug 18 00:33:15.903 INFO kablam! su: No module specific data is present
Aug 18 00:33:16.433 INFO running `"docker" "rm" "-f" "7c2f1087d37c4067fe76929cadaa1d4b05c1ce4c7bd68af559e3d491f01d2a9b"`
Aug 18 00:33:16.585 INFO blam! 7c2f1087d37c4067fe76929cadaa1d4b05c1ce4c7bd68af559e3d491f01d2a9b