Aug 01 20:56:01.741 INFO checking syscall-alt-0.0.14 against 1.27.2+tmplazy for lazy_static-1
Aug 01 20:56:01.741 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:56:01.741 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:56:01.741 INFO running `"docker" "create" "-v" "/tmp/crater.yjKpOiPq80X3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2+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 20:56:02.004 INFO blam! 66938a4a7458652b7a235e7fa19cc86d905267439b156698080e8cd98411fc54
Aug 01 20:56:02.004 INFO running `"docker" "start" "-a" "66938a4a7458652b7a235e7fa19cc86d905267439b156698080e8cd98411fc54"`
Aug 01 20:56:02.922 INFO kablam!     Checking syscall-alt v0.0.14 (file:///source)
Aug 01 20:56:03.466 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:56:03.466 INFO kablam!  --> src/lib.rs:7:1
Aug 01 20:56:03.466 INFO kablam!   |
Aug 01 20:56:03.466 INFO kablam! 7 | #![feature(asm)]
Aug 01 20:56:03.466 INFO kablam!   | ^^^^^^^^^^^^^^^^
Aug 01 20:56:03.466 INFO kablam! 
Aug 01 20:56:03.466 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:56:03.466 INFO kablam!  --> src/lib.rs:8:1
Aug 01 20:56:03.466 INFO kablam!   |
Aug 01 20:56:03.466 INFO kablam! 8 | #![feature(associated_consts)]
Aug 01 20:56:03.466 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 20:56:03.467 INFO kablam! 
Aug 01 20:56:03.467 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:56:03.467 INFO kablam!  --> src/lib.rs:9:1
Aug 01 20:56:03.467 INFO kablam!   |
Aug 01 20:56:03.467 INFO kablam! 9 | #![feature(const_fn)]
Aug 01 20:56:03.467 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 20:56:03.468 INFO kablam! 
Aug 01 20:56:03.488 INFO kablam! error: aborting due to 3 previous errors
Aug 01 20:56:03.489 INFO kablam! 
Aug 01 20:56:03.489 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:56:03.496 INFO kablam! error: Could not compile `syscall-alt`.
Aug 01 20:56:03.496 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 20:56:03.720 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:56:03.720 INFO kablam!  --> src/lib.rs:7:1
Aug 01 20:56:03.720 INFO kablam!   |
Aug 01 20:56:03.720 INFO kablam! 7 | #![feature(asm)]
Aug 01 20:56:03.720 INFO kablam!   | ^^^^^^^^^^^^^^^^
Aug 01 20:56:03.720 INFO kablam! 
Aug 01 20:56:03.720 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:56:03.720 INFO kablam!  --> src/lib.rs:8:1
Aug 01 20:56:03.720 INFO kablam!   |
Aug 01 20:56:03.720 INFO kablam! 8 | #![feature(associated_consts)]
Aug 01 20:56:03.720 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 20:56:03.720 INFO kablam! 
Aug 01 20:56:03.720 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:56:03.720 INFO kablam!  --> src/lib.rs:9:1
Aug 01 20:56:03.720 INFO kablam!   |
Aug 01 20:56:03.720 INFO kablam! 9 | #![feature(const_fn)]
Aug 01 20:56:03.720 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 20:56:03.720 INFO kablam! 
Aug 01 20:56:03.743 INFO kablam! error: aborting due to 3 previous errors
Aug 01 20:56:03.743 INFO kablam! 
Aug 01 20:56:03.743 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:56:03.751 INFO kablam! error: Could not compile `syscall-alt`.
Aug 01 20:56:03.751 INFO kablam! 
Aug 01 20:56:03.751 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 20:56:03.752 INFO kablam! su: No module specific data is present
Aug 01 20:56:04.875 INFO running `"docker" "rm" "-f" "66938a4a7458652b7a235e7fa19cc86d905267439b156698080e8cd98411fc54"`
Aug 01 20:56:04.972 INFO blam! 66938a4a7458652b7a235e7fa19cc86d905267439b156698080e8cd98411fc54