Sep 14 07:57:33.508 INFO checking tape-0.1.8 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 07:57:33.508 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 07:57:33.508 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-5/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 07:57:33.872 INFO blam! 401af2dc8f88515e48e17f9009136ce8b61eff9fd360d734e3be559d9204c6df
Sep 14 07:57:33.874 INFO running `"docker" "start" "-a" "401af2dc8f88515e48e17f9009136ce8b61eff9fd360d734e3be559d9204c6df"`
Sep 14 07:57:36.079 INFO kablam! usermod: no changes
Sep 14 07:57:36.178 INFO kablam!    Compiling libtar-sys v0.1.9
Sep 14 07:57:36.185 INFO kablam!     Checking random v0.12.2
Sep 14 07:57:36.607 INFO kablam!     Checking temporary v0.6.3
Sep 14 07:57:46.619 INFO kablam!     Checking tape v0.1.8 (file:///source)
Sep 14 07:57:46.870 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 14 07:57:46.870 INFO kablam!   --> src/lib.rs:79:3
Sep 14 07:57:46.870 INFO kablam!    |
Sep 14 07:57:46.870 INFO kablam! 79 | #[unsafe_destructor]
Sep 14 07:57:46.870 INFO kablam!    |   ^^^^^^^^^^^^^^^^^
Sep 14 07:57:46.871 INFO kablam!    |
Sep 14 07:57:46.871 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 14 07:57:46.871 INFO kablam! 
Sep 14 07:57:46.872 INFO kablam! error: aborting due to previous error
Sep 14 07:57:46.872 INFO kablam! 
Sep 14 07:57:46.872 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 14 07:57:46.878 INFO kablam! error: Could not compile `tape`.
Sep 14 07:57:46.878 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 14 07:57:46.977 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 14 07:57:46.977 INFO kablam!   --> src/lib.rs:79:3
Sep 14 07:57:46.977 INFO kablam!    |
Sep 14 07:57:46.977 INFO kablam! 79 | #[unsafe_destructor]
Sep 14 07:57:46.977 INFO kablam!    |   ^^^^^^^^^^^^^^^^^
Sep 14 07:57:46.987 INFO kablam!    |
Sep 14 07:57:46.987 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 14 07:57:46.987 INFO kablam! 
Sep 14 07:57:46.988 INFO kablam! error: aborting due to previous error
Sep 14 07:57:46.988 INFO kablam! 
Sep 14 07:57:46.988 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 14 07:57:46.993 INFO kablam! error: Could not compile `tape`.
Sep 14 07:57:46.993 INFO kablam! 
Sep 14 07:57:46.993 INFO kablam! To learn more, run the command again with --verbose.
Sep 14 07:57:46.995 INFO kablam! su: No module specific data is present
Sep 14 07:57:47.953 INFO running `"docker" "rm" "-f" "401af2dc8f88515e48e17f9009136ce8b61eff9fd360d734e3be559d9204c6df"`
Sep 14 07:57:48.058 INFO blam! 401af2dc8f88515e48e17f9009136ce8b61eff9fd360d734e3be559d9204c6df