Sep 01 21:46:24.807 INFO checking tape-0.1.8 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 01 21:46:24.807 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 01 21:46:24.807 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-0/try#952c7dbfa2628309f557b367929ffc17af20b332:/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 +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 21:46:24.965 INFO blam! 95e377e749bd42a57f722122d8fd16cd6189c2d012dddd9f2d907f897e2d0bc5
Sep 01 21:46:24.968 INFO running `"docker" "start" "-a" "95e377e749bd42a57f722122d8fd16cd6189c2d012dddd9f2d907f897e2d0bc5"`
Sep 01 21:46:25.695 INFO kablam!    Compiling libtar-sys v0.1.9
Sep 01 21:46:30.146 INFO kablam!     Checking tape v0.1.8 (file:///source)
Sep 01 21:46:30.430 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 21:46:30.430 INFO kablam!   --> src/lib.rs:79:3
Sep 01 21:46:30.430 INFO kablam!    |
Sep 01 21:46:30.431 INFO kablam! 79 | #[unsafe_destructor]
Sep 01 21:46:30.431 INFO kablam!    |   ^^^^^^^^^^^^^^^^^
Sep 01 21:46:30.431 INFO kablam!    |
Sep 01 21:46:30.431 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 21:46:30.431 INFO kablam! 
Sep 01 21:46:30.431 INFO kablam! error: aborting due to previous error
Sep 01 21:46:30.431 INFO kablam! 
Sep 01 21:46:30.431 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 01 21:46:30.438 INFO kablam! error: Could not compile `tape`.
Sep 01 21:46:30.438 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 21:46:30.481 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 21:46:30.481 INFO kablam!   --> src/lib.rs:79:3
Sep 01 21:46:30.481 INFO kablam!    |
Sep 01 21:46:30.481 INFO kablam! 79 | #[unsafe_destructor]
Sep 01 21:46:30.481 INFO kablam!    |   ^^^^^^^^^^^^^^^^^
Sep 01 21:46:30.481 INFO kablam!    |
Sep 01 21:46:30.481 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 21:46:30.481 INFO kablam! 
Sep 01 21:46:30.481 INFO kablam! error: aborting due to previous error
Sep 01 21:46:30.481 INFO kablam! 
Sep 01 21:46:30.481 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 01 21:46:30.488 INFO kablam! error: Could not compile `tape`.
Sep 01 21:46:30.488 INFO kablam! 
Sep 01 21:46:30.488 INFO kablam! To learn more, run the command again with --verbose.
Sep 01 21:46:30.489 INFO kablam! su: No module specific data is present
Sep 01 21:46:30.899 INFO running `"docker" "rm" "-f" "95e377e749bd42a57f722122d8fd16cd6189c2d012dddd9f2d907f897e2d0bc5"`
Sep 01 21:46:31.022 INFO blam! 95e377e749bd42a57f722122d8fd16cd6189c2d012dddd9f2d907f897e2d0bc5