Sep 04 06:53:07.461 INFO checking raw-vec-0.1.0 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 06:53:07.461 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 06:53:07.461 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-1/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 06:53:07.714 INFO blam! f519f49c88a79deae1bf60159de391a607fb088fcf512d032333d5d0c92ceaa6
Sep 04 06:53:07.716 INFO running `"docker" "start" "-a" "f519f49c88a79deae1bf60159de391a607fb088fcf512d032333d5d0c92ceaa6"`
Sep 04 06:53:08.691 INFO kablam!     Checking raw-vec v0.1.0 (file:///source)
Sep 04 06:53:08.818 INFO kablam! error[E0557]: feature has been removed
Sep 04 06:53:08.818 INFO kablam!   --> src/lib.rs:11:16
Sep 04 06:53:08.818 INFO kablam!    |
Sep 04 06:53:08.818 INFO kablam! 11 | #![feature(rt, unsafe_no_drop_flag, unique, heap_api, box_raw, filling_drop)]
Sep 04 06:53:08.818 INFO kablam!    |                ^^^^^^^^^^^^^^^^^^^
Sep 04 06:53:08.826 INFO kablam! 
Sep 04 06:53:08.851 INFO kablam! error[E0557]: feature has been removed
Sep 04 06:53:08.851 INFO kablam!   --> src/lib.rs:11:16
Sep 04 06:53:08.851 INFO kablam!    |
Sep 04 06:53:08.851 INFO kablam! 11 | #![feature(rt, unsafe_no_drop_flag, unique, heap_api, box_raw, filling_drop)]
Sep 04 06:53:08.851 INFO kablam!    |                ^^^^^^^^^^^^^^^^^^^
Sep 04 06:53:08.852 INFO kablam! 
Sep 04 06:53:09.266 INFO kablam! error[E0658]: The attribute `unsafe_no_drop_flag` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Sep 04 06:53:09.266 INFO kablam!   --> src/lib.rs:46:3
Sep 04 06:53:09.266 INFO kablam!    |
Sep 04 06:53:09.266 INFO kablam! 46 | #[unsafe_no_drop_flag]
Sep 04 06:53:09.266 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^
Sep 04 06:53:09.266 INFO kablam!    |
Sep 04 06:53:09.266 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 06:53:09.266 INFO kablam! 
Sep 04 06:53:09.267 INFO kablam! error: aborting due to 2 previous errors
Sep 04 06:53:09.267 INFO kablam! 
Sep 04 06:53:09.267 INFO kablam! Some errors occurred: E0557, E0658.
Sep 04 06:53:09.267 INFO kablam! For more information about an error, try `rustc --explain E0557`.
Sep 04 06:53:09.275 INFO kablam! error: Could not compile `raw-vec`.
Sep 04 06:53:09.276 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 06:53:09.277 INFO kablam! error[E0658]: The attribute `unsafe_no_drop_flag` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Sep 04 06:53:09.277 INFO kablam!   --> src/lib.rs:46:3
Sep 04 06:53:09.277 INFO kablam!    |
Sep 04 06:53:09.277 INFO kablam! 46 | #[unsafe_no_drop_flag]
Sep 04 06:53:09.277 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^
Sep 04 06:53:09.278 INFO kablam!    |
Sep 04 06:53:09.278 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 06:53:09.278 INFO kablam! 
Sep 04 06:53:09.278 INFO kablam! error: aborting due to 2 previous errors
Sep 04 06:53:09.278 INFO kablam! 
Sep 04 06:53:09.278 INFO kablam! Some errors occurred: E0557, E0658.
Sep 04 06:53:09.278 INFO kablam! For more information about an error, try `rustc --explain E0557`.
Sep 04 06:53:09.288 INFO kablam! error: Could not compile `raw-vec`.
Sep 04 06:53:09.288 INFO kablam! 
Sep 04 06:53:09.288 INFO kablam! To learn more, run the command again with --verbose.
Sep 04 06:53:09.290 INFO kablam! su: No module specific data is present
Sep 04 06:53:09.853 INFO running `"docker" "rm" "-f" "f519f49c88a79deae1bf60159de391a607fb088fcf512d032333d5d0c92ceaa6"`
Sep 04 06:53:10.028 INFO blam! f519f49c88a79deae1bf60159de391a607fb088fcf512d032333d5d0c92ceaa6