Aug 02 04:37:17.722 INFO checking mayer_multiple-0.0.1 against 1.27.2+tmplazy for lazy_static-1
Aug 02 04:37:17.722 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:37:17.722 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:37:17.723 INFO running `"docker" "create" "-v" "/tmp/crater.PiNIiVZI6kED:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2+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 04:37:17.934 INFO blam! 27967d0516828f24e5ff3b4aeafff1d5aaf41fe24f8df54ca08fbba0ce52b0fa
Aug 02 04:37:17.938 INFO running `"docker" "start" "-a" "27967d0516828f24e5ff3b4aeafff1d5aaf41fe24f8df54ca08fbba0ce52b0fa"`
Aug 02 04:37:19.275 INFO kablam!     Checking mayer_multiple v0.0.1 (file:///source)
Aug 02 04:37:21.381 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:37:21.381 INFO kablam!  --> src/main.rs:1:1
Aug 02 04:37:21.381 INFO kablam!   |
Aug 02 04:37:21.381 INFO kablam! 1 | #![feature(rustc_private)]
Aug 02 04:37:21.381 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:37:21.382 INFO kablam! 
Aug 02 04:37:21.382 INFO kablam! error: aborting due to previous error
Aug 02 04:37:21.382 INFO kablam! 
Aug 02 04:37:21.382 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:37:21.392 INFO kablam! error: Could not compile `mayer_multiple`.
Aug 02 04:37:21.392 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:37:21.511 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:37:21.511 INFO kablam!  --> src/main.rs:1:1
Aug 02 04:37:21.511 INFO kablam!   |
Aug 02 04:37:21.511 INFO kablam! 1 | #![feature(rustc_private)]
Aug 02 04:37:21.511 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:37:21.511 INFO kablam! 
Aug 02 04:37:21.511 INFO kablam! error: aborting due to previous error
Aug 02 04:37:21.511 INFO kablam! 
Aug 02 04:37:21.511 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:37:21.528 INFO kablam! error: Could not compile `mayer_multiple`.
Aug 02 04:37:21.528 INFO kablam! 
Aug 02 04:37:21.528 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 04:37:21.530 INFO kablam! su: No module specific data is present
Aug 02 04:37:22.118 INFO running `"docker" "rm" "-f" "27967d0516828f24e5ff3b4aeafff1d5aaf41fe24f8df54ca08fbba0ce52b0fa"`
Aug 02 04:37:22.252 INFO blam! 27967d0516828f24e5ff3b4aeafff1d5aaf41fe24f8df54ca08fbba0ce52b0fa