Aug 02 01:08:57.314 INFO checking redox_users-0.2.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 01:08:57.314 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 01:08:57.314 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 01:08:57.314 INFO running `"docker" "create" "-v" "/tmp/crater.NkuXWsKAu6Ca:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2+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 01:08:57.575 INFO blam! 666c27b4667a0f1130d794038f4ea22aef4eacd35457726d1df1739b631b826e
Aug 02 01:08:57.577 INFO running `"docker" "start" "-a" "666c27b4667a0f1130d794038f4ea22aef4eacd35457726d1df1739b631b826e"`
Aug 02 01:08:58.851 INFO kablam!     Checking redox_syscall v0.1.40
Aug 02 01:08:58.851 INFO kablam!     Checking argon2rs v0.2.5
Aug 02 01:08:59.247 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:08:59.247 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/redox_syscall-0.1.40/src/lib.rs:2:1
Aug 02 01:08:59.247 INFO kablam!   |
Aug 02 01:08:59.247 INFO kablam! 2 | #![feature(asm)]
Aug 02 01:08:59.247 INFO kablam!   | ^^^^^^^^^^^^^^^^
Aug 02 01:08:59.247 INFO kablam! 
Aug 02 01:08:59.247 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:08:59.247 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/redox_syscall-0.1.40/src/lib.rs:3:1
Aug 02 01:08:59.247 INFO kablam!   |
Aug 02 01:08:59.247 INFO kablam! 3 | #![feature(const_fn)]
Aug 02 01:08:59.248 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 01:08:59.248 INFO kablam! 
Aug 02 01:08:59.248 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:08:59.248 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/redox_syscall-0.1.40/src/lib.rs:4:1
Aug 02 01:08:59.248 INFO kablam!   |
Aug 02 01:08:59.248 INFO kablam! 4 | #![feature(transpose_result)]
Aug 02 01:08:59.248 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 01:08:59.248 INFO kablam! 
Aug 02 01:08:59.253 INFO kablam! error: aborting due to 3 previous errors
Aug 02 01:08:59.253 INFO kablam! 
Aug 02 01:08:59.254 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 01:08:59.264 INFO kablam! error: Could not compile `redox_syscall`.
Aug 02 01:08:59.264 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 01:09:00.471 INFO kablam! error: build failed
Aug 02 01:09:00.472 INFO kablam! su: No module specific data is present
Aug 02 01:09:01.182 INFO running `"docker" "rm" "-f" "666c27b4667a0f1130d794038f4ea22aef4eacd35457726d1df1739b631b826e"`
Aug 02 01:09:01.273 INFO blam! 666c27b4667a0f1130d794038f4ea22aef4eacd35457726d1df1739b631b826e