Aug 02 09:36:22.115 INFO checking futures-bufio-0.2.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 09:36:22.115 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 09:36:22.115 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 09:36:22.115 INFO running `"docker" "create" "-v" "/tmp/crater.Y6orZEWlqu0P:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2+tmplazy:/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 09:36:22.325 INFO blam! d333482a52481414dead9ef7f5466b8cf9aaf1541e95229080a9d033b0a7a793
Aug 02 09:36:22.328 INFO running `"docker" "start" "-a" "d333482a52481414dead9ef7f5466b8cf9aaf1541e95229080a9d033b0a7a793"`
Aug 02 09:36:23.704 INFO kablam!     Checking futures-bufio v0.2.0 (file:///source)
Aug 02 09:36:24.401 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 09:36:24.401 INFO kablam!   --> src/lib.rs:10:1
Aug 02 09:36:24.401 INFO kablam!    |
Aug 02 09:36:24.401 INFO kablam! 10 | #![feature(conservative_impl_trait)]
Aug 02 09:36:24.402 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 09:36:24.402 INFO kablam! 
Aug 02 09:36:24.405 INFO kablam! error: aborting due to previous error
Aug 02 09:36:24.405 INFO kablam! 
Aug 02 09:36:24.405 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 09:36:24.437 INFO kablam! error: Could not compile `futures-bufio`.
Aug 02 09:36:24.437 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 09:36:24.495 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 09:36:24.495 INFO kablam!   --> src/lib.rs:10:1
Aug 02 09:36:24.496 INFO kablam!    |
Aug 02 09:36:24.496 INFO kablam! 10 | #![feature(conservative_impl_trait)]
Aug 02 09:36:24.496 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 09:36:24.496 INFO kablam! 
Aug 02 09:36:24.503 INFO kablam! error: aborting due to previous error
Aug 02 09:36:24.508 INFO kablam! 
Aug 02 09:36:24.508 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 09:36:24.512 INFO kablam! error: Could not compile `futures-bufio`.
Aug 02 09:36:24.512 INFO kablam! 
Aug 02 09:36:24.512 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 09:36:24.513 INFO kablam! su: No module specific data is present
Aug 02 09:36:25.202 INFO running `"docker" "rm" "-f" "d333482a52481414dead9ef7f5466b8cf9aaf1541e95229080a9d033b0a7a793"`
Aug 02 09:36:25.361 INFO blam! d333482a52481414dead9ef7f5466b8cf9aaf1541e95229080a9d033b0a7a793