Aug 30 20:00:13.503 INFO checking derivative-1.0.0 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 30 20:00:13.503 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 30 20:00:13.503 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-1/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 20:00:13.693 INFO blam! d998f7f7fc42aa02f535554abe0c0e9c7f5585a198109afba81bc4db728020cf
Aug 30 20:00:13.695 INFO running `"docker" "start" "-a" "d998f7f7fc42aa02f535554abe0c0e9c7f5585a198109afba81bc4db728020cf"`
Aug 30 20:00:14.463 INFO kablam!     Checking itertools v0.5.10
Aug 30 20:00:14.463 INFO kablam!     Checking syn v0.10.8
Aug 30 20:00:14.463 INFO kablam!    Compiling derivative v1.0.0 (file:///source)
Aug 30 20:00:48.404 INFO kablam! warning: unused comparison which must be used
Aug 30 20:00:48.405 INFO kablam!   --> tests/rustc-deriving-meta.rs:31:5
Aug 30 20:00:48.405 INFO kablam!    |
Aug 30 20:00:48.405 INFO kablam! 31 |     a == a;    // check for PartialEq impl w/o testing its correctness
Aug 30 20:00:48.405 INFO kablam!    |     ^^^^^^
Aug 30 20:00:48.405 INFO kablam!    |
Aug 30 20:00:48.405 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 30 20:00:48.405 INFO kablam! 
Aug 30 20:00:48.432 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Aug 30 20:00:48.432 INFO kablam!   --> tests/rustc-deriving-meta.rs:32:5
Aug 30 20:00:48.432 INFO kablam!    |
Aug 30 20:00:48.432 INFO kablam! 32 |     a.clone(); // check for Clone impl w/o testing its correctness
Aug 30 20:00:48.432 INFO kablam!    |     ^^^^^^^^^^
Aug 30 20:00:48.432 INFO kablam!    |
Aug 30 20:00:48.432 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Aug 30 20:00:48.432 INFO kablam! 
Aug 30 20:00:51.296 INFO kablam! warning: unused comparison which must be used
Aug 30 20:00:51.296 INFO kablam!   --> tests/rustc-deriving-meta-multiple.rs:34:5
Aug 30 20:00:51.296 INFO kablam!    |
Aug 30 20:00:51.296 INFO kablam! 34 |     a == a;    // check for PartialEq impl w/o testing its correctness
Aug 30 20:00:51.297 INFO kablam!    |     ^^^^^^
Aug 30 20:00:51.297 INFO kablam!    |
Aug 30 20:00:51.298 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 30 20:00:51.298 INFO kablam! 
Aug 30 20:00:51.375 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Aug 30 20:00:51.375 INFO kablam!   --> tests/rustc-deriving-meta-multiple.rs:35:5
Aug 30 20:00:51.375 INFO kablam!    |
Aug 30 20:00:51.375 INFO kablam! 35 |     a.clone(); // check for Clone impl w/o testing its correctness
Aug 30 20:00:51.375 INFO kablam!    |     ^^^^^^^^^^
Aug 30 20:00:51.376 INFO kablam!    |
Aug 30 20:00:51.376 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Aug 30 20:00:51.376 INFO kablam! 
Aug 30 20:00:53.299 INFO kablam! error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
Aug 30 20:00:53.300 INFO kablam!   --> tests/rustc-issue-25394.rs:18:24
Aug 30 20:00:53.300 INFO kablam!    |
Aug 30 20:00:53.300 INFO kablam! 18 | fn use_row(_: Row<u8>) {}
Aug 30 20:00:53.300 INFO kablam!    |                        ^ doesn't have a size known at compile-time
Aug 30 20:00:53.300 INFO kablam!    |
Aug 30 20:00:53.300 INFO kablam!    = help: within `Row<u8>`, the trait `std::marker::Sized` is not implemented for `[u8]`
Aug 30 20:00:53.300 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 20:00:53.300 INFO kablam!    = note: required because it appears within the type `Row<u8>`
Aug 30 20:00:53.300 INFO kablam!    = note: all function arguments must have a statically known size
Aug 30 20:00:53.300 INFO kablam!    = help: unsized locals are gated as an unstable feature
Aug 30 20:00:53.300 INFO kablam! 
Aug 30 20:00:53.302 INFO kablam! error: aborting due to previous error
Aug 30 20:00:53.303 INFO kablam! 
Aug 30 20:00:53.303 INFO kablam! For more information about this error, try `rustc --explain E0277`.
Aug 30 20:00:53.311 INFO kablam! error: Could not compile `derivative`.
Aug 30 20:00:53.311 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 30 20:00:55.051 INFO kablam! error: build failed
Aug 30 20:00:55.052 INFO kablam! su: No module specific data is present
Aug 30 20:00:55.450 INFO running `"docker" "rm" "-f" "d998f7f7fc42aa02f535554abe0c0e9c7f5585a198109afba81bc4db728020cf"`
Aug 30 20:00:55.569 INFO blam! d998f7f7fc42aa02f535554abe0c0e9c7f5585a198109afba81bc4db728020cf