Aug 01 23:12:30.770 INFO checking rv-0.1.2 against 1.27.2 for lazy_static-1
Aug 01 23:12:30.771 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:12:30.771 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:12:30.771 INFO running `"docker" "create" "-v" "/tmp/crater.UHvVgVBPhyyN:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2:/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 23:12:31.030 INFO blam! 89493ebfa2b5bb0db05544b96ed8429433cc96e18d1a6ae8690e9e0105366d55
Aug 01 23:12:31.033 INFO running `"docker" "start" "-a" "89493ebfa2b5bb0db05544b96ed8429433cc96e18d1a6ae8690e9e0105366d55"`
Aug 01 23:12:32.004 INFO kablam!     Checking special v0.7.8
Aug 01 23:12:32.806 INFO kablam!     Checking rv v0.1.2 (file:///source)
Aug 01 23:12:40.319 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:12:40.319 INFO kablam!  --> examples/die_rolls.rs:1:1
Aug 01 23:12:40.319 INFO kablam!   |
Aug 01 23:12:40.319 INFO kablam! 1 | #![feature(type_ascription)]
Aug 01 23:12:40.319 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:12:40.336 INFO kablam! 
Aug 01 23:12:40.337 INFO kablam! error: aborting due to previous error
Aug 01 23:12:40.337 INFO kablam! 
Aug 01 23:12:40.337 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:12:40.350 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:12:40.351 INFO kablam!  --> examples/coin_flips.rs:1:1
Aug 01 23:12:40.351 INFO kablam!   |
Aug 01 23:12:40.351 INFO kablam! 1 | #![feature(type_ascription)]
Aug 01 23:12:40.351 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:12:40.351 INFO kablam! 
Aug 01 23:12:40.351 INFO kablam! error: aborting due to previous error
Aug 01 23:12:40.351 INFO kablam! 
Aug 01 23:12:40.351 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:12:40.354 INFO kablam! error: Could not compile `rv`.
Aug 01 23:12:40.354 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 23:12:40.358 INFO kablam! error: Could not compile `rv`.
Aug 01 23:12:40.359 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 23:12:40.543 INFO kablam! error: build failed
Aug 01 23:12:40.545 INFO kablam! su: No module specific data is present
Aug 01 23:12:41.099 INFO running `"docker" "rm" "-f" "89493ebfa2b5bb0db05544b96ed8429433cc96e18d1a6ae8690e9e0105366d55"`
Aug 01 23:12:41.273 INFO blam! 89493ebfa2b5bb0db05544b96ed8429433cc96e18d1a6ae8690e9e0105366d55