Sep 19 19:13:42.556 INFO checking tape-0.1.8 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 19 19:13:42.556 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 19 19:13:42.556 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-5/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 19:13:42.805 INFO blam! 4f960f1f2826843eff60d81178516b966856eab028860d666d66998b2239c70c
Sep 19 19:13:42.807 INFO running `"docker" "start" "-a" "4f960f1f2826843eff60d81178516b966856eab028860d666d66998b2239c70c"`
Sep 19 19:13:44.562 INFO kablam! usermod: no changes
Sep 19 19:13:44.686 INFO kablam!    Compiling libtar-sys v0.1.9
Sep 19 19:13:44.690 INFO kablam!     Checking random v0.12.2
Sep 19 19:13:45.124 INFO kablam!     Checking temporary v0.6.3
Sep 19 19:13:54.526 INFO kablam!     Checking tape v0.1.8 (/source)
Sep 19 19:13:54.978 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 19:13:54.978 INFO kablam!   --> src/lib.rs:79:3
Sep 19 19:13:54.978 INFO kablam!    |
Sep 19 19:13:54.978 INFO kablam! 79 | #[unsafe_destructor]
Sep 19 19:13:54.978 INFO kablam!    |   ^^^^^^^^^^^^^^^^^
Sep 19 19:13:54.999 INFO kablam!    |
Sep 19 19:13:54.999 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 19 19:13:54.999 INFO kablam! 
Sep 19 19:13:55.000 INFO kablam! error: aborting due to previous error
Sep 19 19:13:55.000 INFO kablam! 
Sep 19 19:13:55.000 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 19 19:13:55.025 INFO kablam! error: Could not compile `tape`.
Sep 19 19:13:55.025 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 19 19:13:55.036 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 19:13:55.036 INFO kablam!   --> src/lib.rs:79:3
Sep 19 19:13:55.036 INFO kablam!    |
Sep 19 19:13:55.036 INFO kablam! 79 | #[unsafe_destructor]
Sep 19 19:13:55.036 INFO kablam!    |   ^^^^^^^^^^^^^^^^^
Sep 19 19:13:55.036 INFO kablam!    |
Sep 19 19:13:55.036 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 19 19:13:55.036 INFO kablam! 
Sep 19 19:13:55.038 INFO kablam! error: aborting due to previous error
Sep 19 19:13:55.038 INFO kablam! 
Sep 19 19:13:55.038 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 19 19:13:55.046 INFO kablam! error: Could not compile `tape`.
Sep 19 19:13:55.046 INFO kablam! 
Sep 19 19:13:55.046 INFO kablam! To learn more, run the command again with --verbose.
Sep 19 19:13:55.046 INFO kablam! su: No module specific data is present
Sep 19 19:13:55.797 INFO running `"docker" "rm" "-f" "4f960f1f2826843eff60d81178516b966856eab028860d666d66998b2239c70c"`
Sep 19 19:13:55.919 INFO blam! 4f960f1f2826843eff60d81178516b966856eab028860d666d66998b2239c70c