Sep 05 22:10:51.060 INFO checking tape-0.1.8 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 05 22:10:51.060 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 05 22:10:51.060 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-7/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 22:10:51.422 INFO blam! d7af05014d7b98224a41a01762c90f0e6a82a1a947df455ca3fa03ee220933c8
Sep 05 22:10:51.424 INFO running `"docker" "start" "-a" "d7af05014d7b98224a41a01762c90f0e6a82a1a947df455ca3fa03ee220933c8"`
Sep 05 22:10:52.834 INFO kablam! usermod: no changes
Sep 05 22:10:52.910 INFO kablam!    Compiling libtar-sys v0.1.9
Sep 05 22:10:52.934 INFO kablam!     Checking temporary v0.6.3
Sep 05 22:11:00.697 INFO kablam!     Checking tape v0.1.8 (file:///source)
Sep 05 22:11:00.869 INFO kablam! error[E0658]: The attribute `unsafe_destructor` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Sep 05 22:11:00.869 INFO kablam!   --> src/lib.rs:79:3
Sep 05 22:11:00.869 INFO kablam!    |
Sep 05 22:11:00.869 INFO kablam! 79 | #[unsafe_destructor]
Sep 05 22:11:00.869 INFO kablam!    |   ^^^^^^^^^^^^^^^^^
Sep 05 22:11:00.873 INFO kablam!    |
Sep 05 22:11:00.873 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 05 22:11:00.873 INFO kablam! 
Sep 05 22:11:00.874 INFO kablam! error: aborting due to previous error
Sep 05 22:11:00.874 INFO kablam! 
Sep 05 22:11:00.874 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 05 22:11:00.874 INFO kablam! error: Could not compile `tape`.
Sep 05 22:11:00.874 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 05 22:11:00.923 INFO kablam! error[E0658]: The attribute `unsafe_destructor` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Sep 05 22:11:00.923 INFO kablam!   --> src/lib.rs:79:3
Sep 05 22:11:00.923 INFO kablam!    |
Sep 05 22:11:00.923 INFO kablam! 79 | #[unsafe_destructor]
Sep 05 22:11:00.923 INFO kablam!    |   ^^^^^^^^^^^^^^^^^
Sep 05 22:11:00.923 INFO kablam!    |
Sep 05 22:11:00.923 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 05 22:11:00.923 INFO kablam! 
Sep 05 22:11:00.923 INFO kablam! error: aborting due to previous error
Sep 05 22:11:00.923 INFO kablam! 
Sep 05 22:11:00.923 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 05 22:11:00.923 INFO kablam! error: Could not compile `tape`.
Sep 05 22:11:00.923 INFO kablam! 
Sep 05 22:11:00.923 INFO kablam! To learn more, run the command again with --verbose.
Sep 05 22:11:00.923 INFO kablam! su: No module specific data is present
Sep 05 22:11:01.453 INFO running `"docker" "rm" "-f" "d7af05014d7b98224a41a01762c90f0e6a82a1a947df455ca3fa03ee220933c8"`
Sep 05 22:11:01.577 INFO blam! d7af05014d7b98224a41a01762c90f0e6a82a1a947df455ca3fa03ee220933c8