Jul 12 11:12:56.219 INFO checking derivative-1.0.0 against try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255 for pr-52234
Jul 12 11:12:56.219 INFO running: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 11:12:56.219 INFO creating container for: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 11:12:56.220 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-52234/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-1/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/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 +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 11:12:56.490 INFO blam! d4fb49259c9c8838e2c4359e365b57adc4641cf82f4e2ec7bd5f7ccb0564d75e
Jul 12 11:12:56.493 INFO running `"docker" "start" "-a" "d4fb49259c9c8838e2c4359e365b57adc4641cf82f4e2ec7bd5f7ccb0564d75e"`
Jul 12 11:12:57.532 INFO kablam!     Checking either v1.5.0
Jul 12 11:12:57.532 INFO kablam!     Checking syn v0.10.8
Jul 12 11:12:57.533 INFO kablam!    Compiling derivative v1.0.0 (file:///source)
Jul 12 11:12:57.996 INFO kablam!     Checking itertools v0.5.10
Jul 12 11:13:35.583 INFO kablam! warning: unused comparison which must be used
Jul 12 11:13:35.583 INFO kablam!   --> tests/rustc-deriving-meta-multiple.rs:34:5
Jul 12 11:13:35.583 INFO kablam!    |
Jul 12 11:13:35.583 INFO kablam! 34 |     a == a;    // check for PartialEq impl w/o testing its correctness
Jul 12 11:13:35.583 INFO kablam!    |     ^^^^^^
Jul 12 11:13:35.588 INFO kablam!    |
Jul 12 11:13:35.588 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Jul 12 11:13:35.588 INFO kablam! 
Jul 12 11:13:35.690 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Jul 12 11:13:35.690 INFO kablam!   --> tests/rustc-deriving-meta-multiple.rs:35:5
Jul 12 11:13:35.690 INFO kablam!    |
Jul 12 11:13:35.690 INFO kablam! 35 |     a.clone(); // check for Clone impl w/o testing its correctness
Jul 12 11:13:35.690 INFO kablam!    |     ^^^^^^^^^^
Jul 12 11:13:35.712 INFO kablam!    |
Jul 12 11:13:35.713 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Jul 12 11:13:35.713 INFO kablam! 
Jul 12 11:13:43.293 INFO kablam! error[E0277]: the size for value values of type `[u8]` cannot be known at compilation time
Jul 12 11:13:43.294 INFO kablam!   --> tests/rustc-issue-25394.rs:18:24
Jul 12 11:13:43.294 INFO kablam!    |
Jul 12 11:13:43.294 INFO kablam! 18 | fn use_row(_: Row<u8>) {}
Jul 12 11:13:43.294 INFO kablam!    |                        ^ doesn't have a size known at compile-time
Jul 12 11:13:43.294 INFO kablam!    |
Jul 12 11:13:43.295 INFO kablam!    = help: within `Row<u8>`, the trait `std::marker::Sized` is not implemented for `[u8]`
Jul 12 11:13:43.317 INFO kablam!    = note: to learn more, visit <https://doc.rust-lang.org/book/second-edition/ch19-04-advanced-types.html#dynamically-sized-types--sized>
Jul 12 11:13:43.318 INFO kablam!    = note: required because it appears within the type `Row<u8>`
Jul 12 11:13:43.319 INFO kablam! 
Jul 12 11:13:43.330 INFO kablam! error: aborting due to previous error
Jul 12 11:13:43.339 INFO kablam! 
Jul 12 11:13:43.339 INFO kablam! For more information about this error, try `rustc --explain E0277`.
Jul 12 11:13:43.399 INFO kablam! error: Could not compile `derivative`.
Jul 12 11:13:43.400 INFO kablam! warning: build failed, waiting for other jobs to finish...
Jul 12 11:13:45.204 INFO kablam! warning: unused comparison which must be used
Jul 12 11:13:45.204 INFO kablam!   --> tests/rustc-deriving-meta.rs:31:5
Jul 12 11:13:45.204 INFO kablam!    |
Jul 12 11:13:45.204 INFO kablam! 31 |     a == a;    // check for PartialEq impl w/o testing its correctness
Jul 12 11:13:45.204 INFO kablam!    |     ^^^^^^
Jul 12 11:13:45.217 INFO kablam!    |
Jul 12 11:13:45.217 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Jul 12 11:13:45.217 INFO kablam! 
Jul 12 11:13:45.245 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Jul 12 11:13:45.245 INFO kablam!   --> tests/rustc-deriving-meta.rs:32:5
Jul 12 11:13:45.245 INFO kablam!    |
Jul 12 11:13:45.245 INFO kablam! 32 |     a.clone(); // check for Clone impl w/o testing its correctness
Jul 12 11:13:45.245 INFO kablam!    |     ^^^^^^^^^^
Jul 12 11:13:45.246 INFO kablam!    |
Jul 12 11:13:45.246 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Jul 12 11:13:45.246 INFO kablam! 
Jul 12 11:13:45.803 INFO kablam! error: build failed
Jul 12 11:13:45.806 INFO kablam! su: No module specific data is present
Jul 12 11:13:46.545 INFO running `"docker" "rm" "-f" "d4fb49259c9c8838e2c4359e365b57adc4641cf82f4e2ec7bd5f7ccb0564d75e"`
Jul 12 11:13:46.765 INFO blam! d4fb49259c9c8838e2c4359e365b57adc4641cf82f4e2ec7bd5f7ccb0564d75e