Sep 01 10:06:46.468 INFO checking raw-vec-0.1.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 10:06:46.468 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 10:06:46.468 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 10:06:46.723 INFO blam! 2935f0b8d9ad42ab3c13f3aba8615e6c04efb232ec0aa67272142b20d4f24228
Sep 01 10:06:46.725 INFO running `"docker" "start" "-a" "2935f0b8d9ad42ab3c13f3aba8615e6c04efb232ec0aa67272142b20d4f24228"`
Sep 01 10:06:47.629 INFO kablam!     Checking raw-vec v0.1.0 (file:///source)
Sep 01 10:06:47.707 INFO kablam! error[E0557]: feature has been removed
Sep 01 10:06:47.707 INFO kablam!   --> src/lib.rs:11:16
Sep 01 10:06:47.707 INFO kablam!    |
Sep 01 10:06:47.707 INFO kablam! 11 | #![feature(rt, unsafe_no_drop_flag, unique, heap_api, box_raw, filling_drop)]
Sep 01 10:06:47.707 INFO kablam!    |                ^^^^^^^^^^^^^^^^^^^
Sep 01 10:06:47.708 INFO kablam! 
Sep 01 10:06:47.746 INFO kablam! error[E0557]: feature has been removed
Sep 01 10:06:47.746 INFO kablam!   --> src/lib.rs:11:16
Sep 01 10:06:47.746 INFO kablam!    |
Sep 01 10:06:47.746 INFO kablam! 11 | #![feature(rt, unsafe_no_drop_flag, unique, heap_api, box_raw, filling_drop)]
Sep 01 10:06:47.746 INFO kablam!    |                ^^^^^^^^^^^^^^^^^^^
Sep 01 10:06:47.746 INFO kablam! 
Sep 01 10:06:48.099 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 01 10:06:48.099 INFO kablam!   --> src/lib.rs:46:3
Sep 01 10:06:48.099 INFO kablam!    |
Sep 01 10:06:48.099 INFO kablam! 46 | #[unsafe_no_drop_flag]
Sep 01 10:06:48.099 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^
Sep 01 10:06:48.100 INFO kablam!    |
Sep 01 10:06:48.100 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 10:06:48.100 INFO kablam! 
Sep 01 10:06:48.100 INFO kablam! error: aborting due to 2 previous errors
Sep 01 10:06:48.100 INFO kablam! 
Sep 01 10:06:48.100 INFO kablam! Some errors occurred: E0557, E0658.
Sep 01 10:06:48.101 INFO kablam! For more information about an error, try `rustc --explain E0557`.
Sep 01 10:06:48.106 INFO kablam! error: Could not compile `raw-vec`.
Sep 01 10:06:48.106 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 10:06:48.174 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 01 10:06:48.174 INFO kablam!   --> src/lib.rs:46:3
Sep 01 10:06:48.174 INFO kablam!    |
Sep 01 10:06:48.174 INFO kablam! 46 | #[unsafe_no_drop_flag]
Sep 01 10:06:48.174 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^
Sep 01 10:06:48.174 INFO kablam!    |
Sep 01 10:06:48.174 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 10:06:48.174 INFO kablam! 
Sep 01 10:06:48.175 INFO kablam! error: aborting due to 2 previous errors
Sep 01 10:06:48.175 INFO kablam! 
Sep 01 10:06:48.175 INFO kablam! Some errors occurred: E0557, E0658.
Sep 01 10:06:48.175 INFO kablam! For more information about an error, try `rustc --explain E0557`.
Sep 01 10:06:48.183 INFO kablam! error: Could not compile `raw-vec`.
Sep 01 10:06:48.183 INFO kablam! 
Sep 01 10:06:48.183 INFO kablam! To learn more, run the command again with --verbose.
Sep 01 10:06:48.183 INFO kablam! su: No module specific data is present
Sep 01 10:06:48.746 INFO running `"docker" "rm" "-f" "2935f0b8d9ad42ab3c13f3aba8615e6c04efb232ec0aa67272142b20d4f24228"`
Sep 01 10:06:48.909 INFO blam! 2935f0b8d9ad42ab3c13f3aba8615e6c04efb232ec0aa67272142b20d4f24228