Aug 01 20:56:11.861 INFO checking syscall-0.2.1 against 1.27.2+tmplazy for lazy_static-1
Aug 01 20:56:11.861 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:56:11.862 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:56:11.862 INFO running `"docker" "create" "-v" "/tmp/crater.FKaSXI8SzlDC:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2+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 01 20:56:12.014 INFO blam! 64736177f3b8a69c5b69783d4d94a162aa80ef6af40ebc4ba553a17b9d827636
Aug 01 20:56:12.016 INFO running `"docker" "start" "-a" "64736177f3b8a69c5b69783d4d94a162aa80ef6af40ebc4ba553a17b9d827636"`
Aug 01 20:56:13.656 INFO kablam!     Checking syscall v0.2.1 (file:///source)
Aug 01 20:56:13.773 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:56:13.773 INFO kablam!   --> src/lib.rs:15:1
Aug 01 20:56:13.773 INFO kablam!    |
Aug 01 20:56:13.773 INFO kablam! 15 | #![feature(asm)]
Aug 01 20:56:13.773 INFO kablam!    | ^^^^^^^^^^^^^^^^
Aug 01 20:56:13.773 INFO kablam! 
Aug 01 20:56:13.773 INFO kablam! error: aborting due to previous error
Aug 01 20:56:13.773 INFO kablam! 
Aug 01 20:56:13.773 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:56:13.777 INFO kablam! error: Could not compile `syscall`.
Aug 01 20:56:13.778 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 20:56:13.832 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:56:13.832 INFO kablam!   --> src/lib.rs:15:1
Aug 01 20:56:13.832 INFO kablam!    |
Aug 01 20:56:13.832 INFO kablam! 15 | #![feature(asm)]
Aug 01 20:56:13.832 INFO kablam!    | ^^^^^^^^^^^^^^^^
Aug 01 20:56:13.832 INFO kablam! 
Aug 01 20:56:13.832 INFO kablam! error: aborting due to previous error
Aug 01 20:56:13.833 INFO kablam! 
Aug 01 20:56:13.833 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:56:13.838 INFO kablam! error: Could not compile `syscall`.
Aug 01 20:56:13.838 INFO kablam! 
Aug 01 20:56:13.838 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 20:56:13.839 INFO kablam! su: No module specific data is present
Aug 01 20:56:14.770 INFO running `"docker" "rm" "-f" "64736177f3b8a69c5b69783d4d94a162aa80ef6af40ebc4ba553a17b9d827636"`
Aug 01 20:56:14.855 INFO blam! 64736177f3b8a69c5b69783d4d94a162aa80ef6af40ebc4ba553a17b9d827636