Sep 21 02:03:36.849 INFO checking tape-0.1.8 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 02:03:36.849 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 02:03:36.849 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-5/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 02:03:37.074 INFO blam! 2b589e2002633ef1e902da376c520f32784df4e2511558f156e3ddb12d007a77
Sep 21 02:03:37.076 INFO running `"docker" "start" "-a" "2b589e2002633ef1e902da376c520f32784df4e2511558f156e3ddb12d007a77"`
Sep 21 02:03:39.227 INFO kablam! usermod: no changes
Sep 21 02:03:39.295 INFO kablam!    Compiling libtar-sys v0.1.9
Sep 21 02:03:39.295 INFO kablam!     Checking temporary v0.6.3
Sep 21 02:03:48.406 INFO kablam!     Checking tape v0.1.8 (/source)
Sep 21 02:03:48.582 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 21 02:03:48.582 INFO kablam!   --> src/lib.rs:79:3
Sep 21 02:03:48.582 INFO kablam!    |
Sep 21 02:03:48.582 INFO kablam! 79 | #[unsafe_destructor]
Sep 21 02:03:48.582 INFO kablam!    |   ^^^^^^^^^^^^^^^^^
Sep 21 02:03:48.582 INFO kablam!    |
Sep 21 02:03:48.582 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 21 02:03:48.582 INFO kablam! 
Sep 21 02:03:48.582 INFO kablam! error: aborting due to previous error
Sep 21 02:03:48.582 INFO kablam! 
Sep 21 02:03:48.582 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 21 02:03:48.583 INFO kablam! error: Could not compile `tape`.
Sep 21 02:03:48.583 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 21 02:03:48.646 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 21 02:03:48.646 INFO kablam!   --> src/lib.rs:79:3
Sep 21 02:03:48.646 INFO kablam!    |
Sep 21 02:03:48.646 INFO kablam! 79 | #[unsafe_destructor]
Sep 21 02:03:48.646 INFO kablam!    |   ^^^^^^^^^^^^^^^^^
Sep 21 02:03:48.646 INFO kablam!    |
Sep 21 02:03:48.646 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 21 02:03:48.646 INFO kablam! 
Sep 21 02:03:48.646 INFO kablam! error: aborting due to previous error
Sep 21 02:03:48.646 INFO kablam! 
Sep 21 02:03:48.646 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 21 02:03:48.650 INFO kablam! error: Could not compile `tape`.
Sep 21 02:03:48.650 INFO kablam! 
Sep 21 02:03:48.650 INFO kablam! To learn more, run the command again with --verbose.
Sep 21 02:03:48.650 INFO kablam! su: No module specific data is present
Sep 21 02:03:49.505 INFO running `"docker" "rm" "-f" "2b589e2002633ef1e902da376c520f32784df4e2511558f156e3ddb12d007a77"`
Sep 21 02:03:49.614 INFO blam! 2b589e2002633ef1e902da376c520f32784df4e2511558f156e3ddb12d007a77