Sep 04 04:24:50.166 INFO checking tape-0.1.8 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 04:24:50.166 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 04:24:50.166 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-0/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 04:24:50.351 INFO blam! 39ee36502bca4738e5098a590686f6117c600e168e7ce7d33fe0d2e5f2b8a7a5
Sep 04 04:24:50.351 INFO running `"docker" "start" "-a" "39ee36502bca4738e5098a590686f6117c600e168e7ce7d33fe0d2e5f2b8a7a5"`
Sep 04 04:24:50.961 INFO kablam!    Compiling libtar-sys v0.1.9
Sep 04 04:24:50.962 INFO kablam!     Checking temporary v0.6.3
Sep 04 04:24:55.400 INFO kablam!     Checking tape v0.1.8 (file:///source)
Sep 04 04:24:55.647 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 04 04:24:55.647 INFO kablam!   --> src/lib.rs:79:3
Sep 04 04:24:55.647 INFO kablam!    |
Sep 04 04:24:55.647 INFO kablam! 79 | #[unsafe_destructor]
Sep 04 04:24:55.647 INFO kablam!    |   ^^^^^^^^^^^^^^^^^
Sep 04 04:24:55.647 INFO kablam!    |
Sep 04 04:24:55.647 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 04:24:55.647 INFO kablam! 
Sep 04 04:24:55.647 INFO kablam! error: aborting due to previous error
Sep 04 04:24:55.647 INFO kablam! 
Sep 04 04:24:55.647 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 04 04:24:55.652 INFO kablam! error: Could not compile `tape`.
Sep 04 04:24:55.652 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 04:24:55.683 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 04 04:24:55.683 INFO kablam!   --> src/lib.rs:79:3
Sep 04 04:24:55.683 INFO kablam!    |
Sep 04 04:24:55.683 INFO kablam! 79 | #[unsafe_destructor]
Sep 04 04:24:55.683 INFO kablam!    |   ^^^^^^^^^^^^^^^^^
Sep 04 04:24:55.683 INFO kablam!    |
Sep 04 04:24:55.683 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 04:24:55.683 INFO kablam! 
Sep 04 04:24:55.683 INFO kablam! error: aborting due to previous error
Sep 04 04:24:55.683 INFO kablam! 
Sep 04 04:24:55.683 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 04 04:24:55.688 INFO kablam! error: Could not compile `tape`.
Sep 04 04:24:55.688 INFO kablam! 
Sep 04 04:24:55.688 INFO kablam! To learn more, run the command again with --verbose.
Sep 04 04:24:55.689 INFO kablam! su: No module specific data is present
Sep 04 04:24:56.149 INFO running `"docker" "rm" "-f" "39ee36502bca4738e5098a590686f6117c600e168e7ce7d33fe0d2e5f2b8a7a5"`
Sep 04 04:24:56.296 INFO blam! 39ee36502bca4738e5098a590686f6117c600e168e7ce7d33fe0d2e5f2b8a7a5