Aug 02 10:55:18.796 INFO checking eloggr-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 10:55:18.796 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:55:18.796 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:55:18.796 INFO running `"docker" "create" "-v" "/tmp/crater.R4a15TSzqFHD:/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 10:55:19.079 INFO blam! 72c56aa784775d61f0d7ad50368a3497b439eb1143e0d1717db790474bf7ec14
Aug 02 10:55:19.082 INFO running `"docker" "start" "-a" "72c56aa784775d61f0d7ad50368a3497b439eb1143e0d1717db790474bf7ec14"`
Aug 02 10:55:20.373 INFO kablam!     Checking slot v0.2.4
Aug 02 10:55:20.375 INFO kablam!    Compiling i-o v0.4.1
Aug 02 10:55:20.379 INFO kablam!     Checking rand_core v0.2.1
Aug 02 10:55:20.386 INFO kablam!     Checking utf v0.1.0
Aug 02 10:55:20.391 INFO kablam!     Checking flags v0.1.0
Aug 02 10:55:20.391 INFO kablam!     Checking syscall v0.2.1
Aug 02 10:55:20.394 INFO kablam!    Compiling abort v0.1.1
Aug 02 10:55:20.394 INFO kablam!    Compiling ptr v0.1.4
Aug 02 10:55:20.472 INFO kablam!    Compiling hash-table v0.2.2
Aug 02 10:55:20.598 INFO kablam!    Compiling containers v0.8.3
Aug 02 10:55:20.635 INFO kablam!     Checking fallible v0.1.2
Aug 02 10:55:21.374 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 10:55:21.374 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/slot-0.2.4/src/lib.rs:3:1
Aug 02 10:55:21.374 INFO kablam!   |
Aug 02 10:55:21.374 INFO kablam! 3 | #![feature(const_fn)]
Aug 02 10:55:21.374 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 10:55:21.376 INFO kablam! 
Aug 02 10:55:21.376 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 10:55:21.376 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/slot-0.2.4/src/lib.rs:4:1
Aug 02 10:55:21.376 INFO kablam!   |
Aug 02 10:55:21.377 INFO kablam! 4 | #![feature(untagged_unions)]
Aug 02 10:55:21.377 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 10:55:21.377 INFO kablam! 
Aug 02 10:55:21.377 INFO kablam! error: aborting due to 2 previous errors
Aug 02 10:55:21.377 INFO kablam! 
Aug 02 10:55:21.377 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 10:55:21.433 INFO kablam! error: Could not compile `slot`.
Aug 02 10:55:21.433 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 10:55:21.648 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 10:55:21.648 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/syscall-0.2.1/src/lib.rs:15:1
Aug 02 10:55:21.648 INFO kablam!    |
Aug 02 10:55:21.648 INFO kablam! 15 | #![feature(asm)]
Aug 02 10:55:21.648 INFO kablam!    | ^^^^^^^^^^^^^^^^
Aug 02 10:55:21.648 INFO kablam! 
Aug 02 10:55:21.673 INFO kablam! error: aborting due to previous error
Aug 02 10:55:21.673 INFO kablam! 
Aug 02 10:55:21.673 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 10:55:21.734 INFO kablam! error: Could not compile `syscall`.
Aug 02 10:55:21.734 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 10:55:23.838 INFO kablam! error: build failed
Aug 02 10:55:23.842 INFO kablam! su: No module specific data is present
Aug 02 10:55:24.394 INFO running `"docker" "rm" "-f" "72c56aa784775d61f0d7ad50368a3497b439eb1143e0d1717db790474bf7ec14"`
Aug 02 10:55:24.566 INFO blam! 72c56aa784775d61f0d7ad50368a3497b439eb1143e0d1717db790474bf7ec14