Aug 31 11:37:55.297 INFO checking tape-0.1.8 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 11:37:55.297 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 11:37:55.297 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 11:37:55.478 INFO blam! b36a1eac4f3c730652a2b7e6af5f413528657727028316862674c9e915b0d897
Aug 31 11:37:55.482 INFO running `"docker" "start" "-a" "b36a1eac4f3c730652a2b7e6af5f413528657727028316862674c9e915b0d897"`
Aug 31 11:37:56.121 INFO kablam!    Compiling libtar-sys v0.1.9
Aug 31 11:38:00.548 INFO kablam!     Checking tape v0.1.8 (file:///source)
Aug 31 11:38:00.780 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)
Aug 31 11:38:00.780 INFO kablam!   --> src/lib.rs:79:3
Aug 31 11:38:00.780 INFO kablam!    |
Aug 31 11:38:00.780 INFO kablam! 79 | #[unsafe_destructor]
Aug 31 11:38:00.780 INFO kablam!    |   ^^^^^^^^^^^^^^^^^
Aug 31 11:38:00.781 INFO kablam!    |
Aug 31 11:38:00.781 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 11:38:00.781 INFO kablam! 
Aug 31 11:38:00.781 INFO kablam! error: aborting due to previous error
Aug 31 11:38:00.781 INFO kablam! 
Aug 31 11:38:00.781 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 31 11:38:00.787 INFO kablam! error: Could not compile `tape`.
Aug 31 11:38:00.787 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 31 11:38:00.809 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)
Aug 31 11:38:00.810 INFO kablam!   --> src/lib.rs:79:3
Aug 31 11:38:00.810 INFO kablam!    |
Aug 31 11:38:00.810 INFO kablam! 79 | #[unsafe_destructor]
Aug 31 11:38:00.810 INFO kablam!    |   ^^^^^^^^^^^^^^^^^
Aug 31 11:38:00.810 INFO kablam!    |
Aug 31 11:38:00.810 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 11:38:00.810 INFO kablam! 
Aug 31 11:38:00.810 INFO kablam! error: aborting due to previous error
Aug 31 11:38:00.810 INFO kablam! 
Aug 31 11:38:00.810 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 31 11:38:00.817 INFO kablam! error: Could not compile `tape`.
Aug 31 11:38:00.817 INFO kablam! 
Aug 31 11:38:00.817 INFO kablam! To learn more, run the command again with --verbose.
Aug 31 11:38:00.818 INFO kablam! su: No module specific data is present
Aug 31 11:38:01.219 INFO running `"docker" "rm" "-f" "b36a1eac4f3c730652a2b7e6af5f413528657727028316862674c9e915b0d897"`
Aug 31 11:38:01.306 INFO blam! b36a1eac4f3c730652a2b7e6af5f413528657727028316862674c9e915b0d897