Sep 19 19:13:41.763 INFO checking tape-0.1.8 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 19 19:13:41.763 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 19 19:13:41.763 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-0/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 19:13:42.018 INFO blam! 4610dbb0abb84e74c5a9ad40a4dd0bcd5d346ee7d0431ced34b37c3ce5b8e00a
Sep 19 19:13:42.020 INFO running `"docker" "start" "-a" "4610dbb0abb84e74c5a9ad40a4dd0bcd5d346ee7d0431ced34b37c3ce5b8e00a"`
Sep 19 19:13:43.283 INFO kablam! usermod: no changes
Sep 19 19:13:43.374 INFO kablam!    Compiling libtar-sys v0.1.9
Sep 19 19:13:53.910 INFO kablam!     Checking tape v0.1.8 (/source)
Sep 19 19:13:54.178 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 19 19:13:54.178 INFO kablam!   --> src/lib.rs:79:3
Sep 19 19:13:54.178 INFO kablam!    |
Sep 19 19:13:54.178 INFO kablam! 79 | #[unsafe_destructor]
Sep 19 19:13:54.178 INFO kablam!    |   ^^^^^^^^^^^^^^^^^
Sep 19 19:13:54.179 INFO kablam!    |
Sep 19 19:13:54.179 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 19 19:13:54.179 INFO kablam! 
Sep 19 19:13:54.179 INFO kablam! error: aborting due to previous error
Sep 19 19:13:54.179 INFO kablam! 
Sep 19 19:13:54.179 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 19 19:13:54.186 INFO kablam! error: Could not compile `tape`.
Sep 19 19:13:54.187 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 19 19:13:54.221 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 19 19:13:54.221 INFO kablam!   --> src/lib.rs:79:3
Sep 19 19:13:54.221 INFO kablam!    |
Sep 19 19:13:54.221 INFO kablam! 79 | #[unsafe_destructor]
Sep 19 19:13:54.222 INFO kablam!    |   ^^^^^^^^^^^^^^^^^
Sep 19 19:13:54.222 INFO kablam!    |
Sep 19 19:13:54.222 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 19 19:13:54.222 INFO kablam! 
Sep 19 19:13:54.223 INFO kablam! error: aborting due to previous error
Sep 19 19:13:54.223 INFO kablam! 
Sep 19 19:13:54.223 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 19 19:13:54.227 INFO kablam! error: Could not compile `tape`.
Sep 19 19:13:54.227 INFO kablam! 
Sep 19 19:13:54.227 INFO kablam! To learn more, run the command again with --verbose.
Sep 19 19:13:54.229 INFO kablam! su: No module specific data is present
Sep 19 19:13:55.117 INFO running `"docker" "rm" "-f" "4610dbb0abb84e74c5a9ad40a4dd0bcd5d346ee7d0431ced34b37c3ce5b8e00a"`
Sep 19 19:13:55.229 INFO blam! 4610dbb0abb84e74c5a9ad40a4dd0bcd5d346ee7d0431ced34b37c3ce5b8e00a