Aug 01 20:29:15.661 INFO checking thunk-0.3.0 against 1.27.2+tmplazy for lazy_static-1
Aug 01 20:29:15.661 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:29:15.661 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:29:15.662 INFO running `"docker" "create" "-v" "/tmp/crater.H0Ko2ojacnK9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2+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 20:29:15.880 INFO blam! a16bd3145e5b604668674c03cc552cae3eec1c521d92c30c5732e8d09c3676f4
Aug 01 20:29:15.881 INFO running `"docker" "start" "-a" "a16bd3145e5b604668674c03cc552cae3eec1c521d92c30c5732e8d09c3676f4"`
Aug 01 20:29:16.737 INFO kablam!     Checking thunk v0.3.0 (file:///source)
Aug 01 20:29:17.435 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:29:17.435 INFO kablam!   --> src/lib.rs:20:1
Aug 01 20:29:17.435 INFO kablam!    |
Aug 01 20:29:17.435 INFO kablam! 20 | #![feature(fnbox)]
Aug 01 20:29:17.435 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Aug 01 20:29:17.435 INFO kablam! 
Aug 01 20:29:17.435 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:29:17.435 INFO kablam!   --> src/lib.rs:21:1
Aug 01 20:29:17.435 INFO kablam!    |
Aug 01 20:29:17.435 INFO kablam! 21 | #![feature(untagged_unions)]
Aug 01 20:29:17.435 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 20:29:17.435 INFO kablam! 
Aug 01 20:29:17.437 INFO kablam! error: aborting due to 2 previous errors
Aug 01 20:29:17.437 INFO kablam! 
Aug 01 20:29:17.437 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:29:17.451 INFO kablam! error: Could not compile `thunk`.
Aug 01 20:29:17.452 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 20:29:17.564 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:29:17.564 INFO kablam!   --> src/lib.rs:19:19
Aug 01 20:29:17.564 INFO kablam!    |
Aug 01 20:29:17.564 INFO kablam! 19 | #![cfg_attr(test, feature(test))]
Aug 01 20:29:17.564 INFO kablam!    |                   ^^^^^^^^^^^^^^
Aug 01 20:29:17.564 INFO kablam! 
Aug 01 20:29:17.564 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:29:17.564 INFO kablam!   --> src/lib.rs:20:1
Aug 01 20:29:17.564 INFO kablam!    |
Aug 01 20:29:17.564 INFO kablam! 20 | #![feature(fnbox)]
Aug 01 20:29:17.564 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Aug 01 20:29:17.564 INFO kablam! 
Aug 01 20:29:17.564 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:29:17.564 INFO kablam!   --> src/lib.rs:21:1
Aug 01 20:29:17.564 INFO kablam!    |
Aug 01 20:29:17.564 INFO kablam! 21 | #![feature(untagged_unions)]
Aug 01 20:29:17.564 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 20:29:17.564 INFO kablam! 
Aug 01 20:29:17.566 INFO kablam! error: aborting due to 3 previous errors
Aug 01 20:29:17.566 INFO kablam! 
Aug 01 20:29:17.566 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:29:17.574 INFO kablam! error: Could not compile `thunk`.
Aug 01 20:29:17.574 INFO kablam! 
Aug 01 20:29:17.574 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 20:29:17.576 INFO kablam! su: No module specific data is present
Aug 01 20:29:18.042 INFO running `"docker" "rm" "-f" "a16bd3145e5b604668674c03cc552cae3eec1c521d92c30c5732e8d09c3676f4"`
Aug 01 20:29:18.205 INFO blam! a16bd3145e5b604668674c03cc552cae3eec1c521d92c30c5732e8d09c3676f4