Sep 05 22:10:51.868 INFO checking tape-0.1.8 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 05 22:10:51.868 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 05 22:10:51.868 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-0/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 22:10:52.262 INFO blam! 06ec01df3d977fff2078a07482f5750493afdb529e8f166f27d46d23a5c2d388
Sep 05 22:10:52.263 INFO running `"docker" "start" "-a" "06ec01df3d977fff2078a07482f5750493afdb529e8f166f27d46d23a5c2d388"`
Sep 05 22:10:54.145 INFO kablam! usermod: no changes
Sep 05 22:10:54.226 INFO kablam!    Compiling libtar-sys v0.1.9
Sep 05 22:10:54.226 INFO kablam!     Checking random v0.12.2
Sep 05 22:10:54.947 INFO kablam!     Checking temporary v0.6.3
Sep 05 22:11:01.596 INFO kablam!     Checking tape v0.1.8 (file:///source)
Sep 05 22:11:01.711 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 22:11:01.711 INFO kablam!   --> src/lib.rs:79:3
Sep 05 22:11:01.711 INFO kablam!    |
Sep 05 22:11:01.712 INFO kablam! 79 | #[unsafe_destructor]
Sep 05 22:11:01.712 INFO kablam!    |   ^^^^^^^^^^^^^^^^^
Sep 05 22:11:01.712 INFO kablam!    |
Sep 05 22:11:01.712 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 05 22:11:01.712 INFO kablam! 
Sep 05 22:11:01.713 INFO kablam! error: aborting due to previous error
Sep 05 22:11:01.713 INFO kablam! 
Sep 05 22:11:01.713 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 05 22:11:01.717 INFO kablam! error: Could not compile `tape`.
Sep 05 22:11:01.717 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 05 22:11:01.745 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 22:11:01.745 INFO kablam!   --> src/lib.rs:79:3
Sep 05 22:11:01.745 INFO kablam!    |
Sep 05 22:11:01.745 INFO kablam! 79 | #[unsafe_destructor]
Sep 05 22:11:01.745 INFO kablam!    |   ^^^^^^^^^^^^^^^^^
Sep 05 22:11:01.745 INFO kablam!    |
Sep 05 22:11:01.745 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 05 22:11:01.745 INFO kablam! 
Sep 05 22:11:01.745 INFO kablam! error: aborting due to previous error
Sep 05 22:11:01.745 INFO kablam! 
Sep 05 22:11:01.745 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 05 22:11:01.751 INFO kablam! error: Could not compile `tape`.
Sep 05 22:11:01.751 INFO kablam! 
Sep 05 22:11:01.751 INFO kablam! To learn more, run the command again with --verbose.
Sep 05 22:11:01.752 INFO kablam! su: No module specific data is present
Sep 05 22:11:02.310 INFO running `"docker" "rm" "-f" "06ec01df3d977fff2078a07482f5750493afdb529e8f166f27d46d23a5c2d388"`
Sep 05 22:11:02.439 INFO blam! 06ec01df3d977fff2078a07482f5750493afdb529e8f166f27d46d23a5c2d388