Sep 17 16:18:19.282 INFO checking tape-0.1.8 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 16:18:19.282 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 16:18:19.282 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-5/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 16:18:19.639 INFO blam! 1401baa2e45c2d28d7c3f374dca8fb9f02a5b24989085384f2d1ddcee3cad227
Sep 17 16:18:19.650 INFO running `"docker" "start" "-a" "1401baa2e45c2d28d7c3f374dca8fb9f02a5b24989085384f2d1ddcee3cad227"`
Sep 17 16:18:21.240 INFO kablam! usermod: no changes
Sep 17 16:18:21.330 INFO kablam!    Compiling libtar-sys v0.1.9
Sep 17 16:18:21.332 INFO kablam!     Checking random v0.12.2
Sep 17 16:18:21.909 INFO kablam!     Checking temporary v0.6.3
Sep 17 16:18:31.898 INFO kablam!     Checking tape v0.1.8 (/source)
Sep 17 16:18:32.111 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 17 16:18:32.111 INFO kablam!   --> src/lib.rs:79:3
Sep 17 16:18:32.111 INFO kablam!    |
Sep 17 16:18:32.111 INFO kablam! 79 | #[unsafe_destructor]
Sep 17 16:18:32.111 INFO kablam!    |   ^^^^^^^^^^^^^^^^^
Sep 17 16:18:32.111 INFO kablam!    |
Sep 17 16:18:32.111 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 17 16:18:32.111 INFO kablam! 
Sep 17 16:18:32.111 INFO kablam! error: aborting due to previous error
Sep 17 16:18:32.111 INFO kablam! 
Sep 17 16:18:32.111 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 17 16:18:32.114 INFO kablam! error: Could not compile `tape`.
Sep 17 16:18:32.114 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 17 16:18:32.125 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 17 16:18:32.125 INFO kablam!   --> src/lib.rs:79:3
Sep 17 16:18:32.125 INFO kablam!    |
Sep 17 16:18:32.125 INFO kablam! 79 | #[unsafe_destructor]
Sep 17 16:18:32.125 INFO kablam!    |   ^^^^^^^^^^^^^^^^^
Sep 17 16:18:32.125 INFO kablam!    |
Sep 17 16:18:32.125 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 17 16:18:32.125 INFO kablam! 
Sep 17 16:18:32.125 INFO kablam! error: aborting due to previous error
Sep 17 16:18:32.125 INFO kablam! 
Sep 17 16:18:32.125 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 17 16:18:32.135 INFO kablam! error: Could not compile `tape`.
Sep 17 16:18:32.135 INFO kablam! 
Sep 17 16:18:32.135 INFO kablam! To learn more, run the command again with --verbose.
Sep 17 16:18:32.135 INFO kablam! su: No module specific data is present
Sep 17 16:18:32.879 INFO running `"docker" "rm" "-f" "1401baa2e45c2d28d7c3f374dca8fb9f02a5b24989085384f2d1ddcee3cad227"`
Sep 17 16:18:33.187 INFO blam! 1401baa2e45c2d28d7c3f374dca8fb9f02a5b24989085384f2d1ddcee3cad227