Sep 04 01:03:51.709 INFO checking tape-0.1.8 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 01:03:51.709 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 01:03:51.709 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 01:03:51.862 INFO blam! 8ca25af92b9f69ccaa6d82d6b0eef800c24c85d48c85391a7ae400bea964f478
Sep 04 01:03:51.864 INFO running `"docker" "start" "-a" "8ca25af92b9f69ccaa6d82d6b0eef800c24c85d48c85391a7ae400bea964f478"`
Sep 04 01:03:52.525 INFO kablam!    Compiling libtar-sys v0.1.9
Sep 04 01:03:56.859 INFO kablam!     Checking tape v0.1.8 (file:///source)
Sep 04 01:03:57.084 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 04 01:03:57.084 INFO kablam!   --> src/lib.rs:79:3
Sep 04 01:03:57.084 INFO kablam!    |
Sep 04 01:03:57.084 INFO kablam! 79 | #[unsafe_destructor]
Sep 04 01:03:57.084 INFO kablam!    |   ^^^^^^^^^^^^^^^^^
Sep 04 01:03:57.084 INFO kablam!    |
Sep 04 01:03:57.084 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 01:03:57.084 INFO kablam! 
Sep 04 01:03:57.084 INFO kablam! error: aborting due to previous error
Sep 04 01:03:57.084 INFO kablam! 
Sep 04 01:03:57.084 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 04 01:03:57.089 INFO kablam! error: Could not compile `tape`.
Sep 04 01:03:57.089 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 01:03:57.118 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 04 01:03:57.118 INFO kablam!   --> src/lib.rs:79:3
Sep 04 01:03:57.118 INFO kablam!    |
Sep 04 01:03:57.118 INFO kablam! 79 | #[unsafe_destructor]
Sep 04 01:03:57.118 INFO kablam!    |   ^^^^^^^^^^^^^^^^^
Sep 04 01:03:57.119 INFO kablam!    |
Sep 04 01:03:57.119 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 01:03:57.119 INFO kablam! 
Sep 04 01:03:57.119 INFO kablam! error: aborting due to previous error
Sep 04 01:03:57.119 INFO kablam! 
Sep 04 01:03:57.119 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 04 01:03:57.124 INFO kablam! error: Could not compile `tape`.
Sep 04 01:03:57.124 INFO kablam! 
Sep 04 01:03:57.124 INFO kablam! To learn more, run the command again with --verbose.
Sep 04 01:03:57.125 INFO kablam! su: No module specific data is present
Sep 04 01:03:57.646 INFO running `"docker" "rm" "-f" "8ca25af92b9f69ccaa6d82d6b0eef800c24c85d48c85391a7ae400bea964f478"`
Sep 04 01:03:57.727 INFO blam! 8ca25af92b9f69ccaa6d82d6b0eef800c24c85d48c85391a7ae400bea964f478