Aug 02 03:16:30.823 INFO checking oak-0.5.8 against 1.27.2 for lazy_static-1
Aug 02 03:16:30.823 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:16:30.823 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:16:30.823 INFO running `"docker" "create" "-v" "/tmp/crater.3Xgn8zRUJF1j:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 03:16:31.038 INFO blam! 29b7b82f3d6bc40a823601a10b69aed4647f3fdf556073728f70b76c5c64f0f5
Aug 02 03:16:31.039 INFO running `"docker" "start" "-a" "29b7b82f3d6bc40a823601a10b69aed4647f3fdf556073728f70b76c5c64f0f5"`
Aug 02 03:16:31.938 INFO kablam!    Compiling partial v0.2.3
Aug 02 03:16:31.940 INFO kablam!     Checking syntex_pos v0.58.1
Aug 02 03:16:32.771 INFO kablam!     Checking oak v0.5.8 (file:///source)
Aug 02 03:16:34.036 INFO kablam!     Checking oak_runtime v0.5.5
Aug 02 03:16:36.476 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:16:36.476 INFO kablam!   --> src/liboak/lib.rs:17:1
Aug 02 03:16:36.476 INFO kablam!    |
Aug 02 03:16:36.476 INFO kablam! 17 | #![feature(rustc_private, plugin_registrar, quote, box_syntax)]
Aug 02 03:16:36.476 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:16:36.476 INFO kablam! 
Aug 02 03:16:36.499 INFO kablam! error: aborting due to previous error
Aug 02 03:16:36.499 INFO kablam! 
Aug 02 03:16:36.500 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:16:36.528 INFO kablam! error: Could not compile `oak`.
Aug 02 03:16:36.529 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:16:36.554 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:16:36.554 INFO kablam!   --> src/liboak/lib.rs:17:1
Aug 02 03:16:36.554 INFO kablam!    |
Aug 02 03:16:36.554 INFO kablam! 17 | #![feature(rustc_private, plugin_registrar, quote, box_syntax)]
Aug 02 03:16:36.554 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:16:36.554 INFO kablam! 
Aug 02 03:16:36.560 INFO kablam! error: aborting due to previous error
Aug 02 03:16:36.560 INFO kablam! 
Aug 02 03:16:36.560 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:16:36.582 INFO kablam! error: Could not compile `oak`.
Aug 02 03:16:36.582 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:16:38.316 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:16:38.316 INFO kablam!   --> src/liboak/lib.rs:17:1
Aug 02 03:16:38.316 INFO kablam!    |
Aug 02 03:16:38.316 INFO kablam! 17 | #![feature(rustc_private, plugin_registrar, quote, box_syntax)]
Aug 02 03:16:38.316 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:16:38.316 INFO kablam! 
Aug 02 03:16:38.325 INFO kablam! error: aborting due to previous error
Aug 02 03:16:38.325 INFO kablam! 
Aug 02 03:16:38.326 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:16:38.349 INFO kablam! error: Could not compile `oak`.
Aug 02 03:16:38.349 INFO kablam! 
Aug 02 03:16:38.349 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 03:16:38.350 INFO kablam! su: No module specific data is present
Aug 02 03:16:38.880 INFO running `"docker" "rm" "-f" "29b7b82f3d6bc40a823601a10b69aed4647f3fdf556073728f70b76c5c64f0f5"`
Aug 02 03:16:39.050 INFO blam! 29b7b82f3d6bc40a823601a10b69aed4647f3fdf556073728f70b76c5c64f0f5