Sep 01 21:46:26.482 INFO checking tape-0.1.8 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 01 21:46:26.482 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 21:46:26.482 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-1/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 21:46:26.662 INFO blam! 5b42c0aacdf7f5c14bff0cf479d92b79713dd98a302bc9280822360fd7aeffaa
Sep 01 21:46:26.664 INFO running `"docker" "start" "-a" "5b42c0aacdf7f5c14bff0cf479d92b79713dd98a302bc9280822360fd7aeffaa"`
Sep 01 21:46:27.163 INFO kablam!    Compiling libtar-sys v0.1.9
Sep 01 21:46:31.475 INFO kablam!     Checking tape v0.1.8 (file:///source)
Sep 01 21:46:31.684 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 01 21:46:31.684 INFO kablam!   --> src/lib.rs:79:3
Sep 01 21:46:31.684 INFO kablam!    |
Sep 01 21:46:31.684 INFO kablam! 79 | #[unsafe_destructor]
Sep 01 21:46:31.684 INFO kablam!    |   ^^^^^^^^^^^^^^^^^
Sep 01 21:46:31.684 INFO kablam!    |
Sep 01 21:46:31.684 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 21:46:31.684 INFO kablam! 
Sep 01 21:46:31.685 INFO kablam! error: aborting due to previous error
Sep 01 21:46:31.685 INFO kablam! 
Sep 01 21:46:31.685 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 01 21:46:31.689 INFO kablam! error: Could not compile `tape`.
Sep 01 21:46:31.689 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 21:46:31.717 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 01 21:46:31.717 INFO kablam!   --> src/lib.rs:79:3
Sep 01 21:46:31.717 INFO kablam!    |
Sep 01 21:46:31.717 INFO kablam! 79 | #[unsafe_destructor]
Sep 01 21:46:31.717 INFO kablam!    |   ^^^^^^^^^^^^^^^^^
Sep 01 21:46:31.718 INFO kablam!    |
Sep 01 21:46:31.718 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 21:46:31.718 INFO kablam! 
Sep 01 21:46:31.718 INFO kablam! error: aborting due to previous error
Sep 01 21:46:31.720 INFO kablam! 
Sep 01 21:46:31.720 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 01 21:46:31.723 INFO kablam! error: Could not compile `tape`.
Sep 01 21:46:31.723 INFO kablam! 
Sep 01 21:46:31.724 INFO kablam! To learn more, run the command again with --verbose.
Sep 01 21:46:31.725 INFO kablam! su: No module specific data is present
Sep 01 21:46:32.087 INFO running `"docker" "rm" "-f" "5b42c0aacdf7f5c14bff0cf479d92b79713dd98a302bc9280822360fd7aeffaa"`
Sep 01 21:46:32.221 INFO blam! 5b42c0aacdf7f5c14bff0cf479d92b79713dd98a302bc9280822360fd7aeffaa