Sep 10 12:12:05.394 INFO checking raw-vec-0.1.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 12:12:05.394 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 12:12:05.394 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-4/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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=1000" "-e" "CMD=cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 12:12:05.603 INFO blam! 74d79957fca28af54d9a43913f690d923be04f13e0879ab65fe7b63492499311
Sep 10 12:12:05.605 INFO running `"docker" "start" "-a" "74d79957fca28af54d9a43913f690d923be04f13e0879ab65fe7b63492499311"`
Sep 10 12:12:07.336 INFO kablam! usermod: no changes
Sep 10 12:12:07.394 INFO kablam!     Checking raw-vec v0.1.0 (file:///source)
Sep 10 12:12:07.558 INFO kablam! error[E0557]: feature has been removed
Sep 10 12:12:07.558 INFO kablam!   --> src/lib.rs:11:16
Sep 10 12:12:07.558 INFO kablam!    |
Sep 10 12:12:07.558 INFO kablam! 11 | #![feature(rt, unsafe_no_drop_flag, unique, heap_api, box_raw, filling_drop)]
Sep 10 12:12:07.558 INFO kablam!    |                ^^^^^^^^^^^^^^^^^^^
Sep 10 12:12:07.558 INFO kablam! 
Sep 10 12:12:07.566 INFO kablam! error[E0557]: feature has been removed
Sep 10 12:12:07.566 INFO kablam!   --> src/lib.rs:11:16
Sep 10 12:12:07.566 INFO kablam!    |
Sep 10 12:12:07.566 INFO kablam! 11 | #![feature(rt, unsafe_no_drop_flag, unique, heap_api, box_raw, filling_drop)]
Sep 10 12:12:07.566 INFO kablam!    |                ^^^^^^^^^^^^^^^^^^^
Sep 10 12:12:07.566 INFO kablam! 
Sep 10 12:12:07.793 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 10 12:12:07.793 INFO kablam!   --> src/lib.rs:46:3
Sep 10 12:12:07.793 INFO kablam!    |
Sep 10 12:12:07.793 INFO kablam! 46 | #[unsafe_no_drop_flag]
Sep 10 12:12:07.793 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^
Sep 10 12:12:07.793 INFO kablam!    |
Sep 10 12:12:07.793 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 12:12:07.793 INFO kablam! 
Sep 10 12:12:07.798 INFO kablam! error: aborting due to 2 previous errors
Sep 10 12:12:07.798 INFO kablam! 
Sep 10 12:12:07.798 INFO kablam! Some errors occurred: E0557, E0658.
Sep 10 12:12:07.798 INFO kablam! For more information about an error, try `rustc --explain E0557`.
Sep 10 12:12:07.806 INFO kablam! error: Could not compile `raw-vec`.
Sep 10 12:12:07.806 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 12:12:07.824 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 10 12:12:07.824 INFO kablam!   --> src/lib.rs:46:3
Sep 10 12:12:07.824 INFO kablam!    |
Sep 10 12:12:07.824 INFO kablam! 46 | #[unsafe_no_drop_flag]
Sep 10 12:12:07.824 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^
Sep 10 12:12:07.824 INFO kablam!    |
Sep 10 12:12:07.824 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 12:12:07.825 INFO kablam! 
Sep 10 12:12:07.825 INFO kablam! error: aborting due to 2 previous errors
Sep 10 12:12:07.825 INFO kablam! 
Sep 10 12:12:07.825 INFO kablam! Some errors occurred: E0557, E0658.
Sep 10 12:12:07.825 INFO kablam! For more information about an error, try `rustc --explain E0557`.
Sep 10 12:12:07.834 INFO kablam! error: Could not compile `raw-vec`.
Sep 10 12:12:07.834 INFO kablam! 
Sep 10 12:12:07.834 INFO kablam! To learn more, run the command again with --verbose.
Sep 10 12:12:07.835 INFO kablam! su: No module specific data is present
Sep 10 12:12:08.563 INFO running `"docker" "rm" "-f" "74d79957fca28af54d9a43913f690d923be04f13e0879ab65fe7b63492499311"`
Sep 10 12:12:08.687 INFO blam! 74d79957fca28af54d9a43913f690d923be04f13e0879ab65fe7b63492499311