Aug 02 14:50:23.942 INFO checking arccstr-1.2.0 against 1.27.2 for lazy_static-1
Aug 02 14:50:23.942 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:50:23.942 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:50:23.943 INFO running `"docker" "create" "-v" "/tmp/crater.1LRlUADIZSQg:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2:/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 02 14:50:24.258 INFO blam! f738bbd578ab9b340c7305501df7ff61830071233a8b932b6bbb0d86574bbfcc
Aug 02 14:50:24.260 INFO running `"docker" "start" "-a" "f738bbd578ab9b340c7305501df7ff61830071233a8b932b6bbb0d86574bbfcc"`
Aug 02 14:50:25.806 INFO kablam!     Checking arccstr v1.2.0 (file:///source)
Aug 02 14:50:26.376 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:50:26.376 INFO kablam!   --> src/lib.rs:60:1
Aug 02 14:50:26.376 INFO kablam!    |
Aug 02 14:50:26.376 INFO kablam! 60 | #![feature(ptr_internals)]
Aug 02 14:50:26.376 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 14:50:26.376 INFO kablam! 
Aug 02 14:50:26.376 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:50:26.376 INFO kablam!   --> src/lib.rs:61:1
Aug 02 14:50:26.376 INFO kablam!    |
Aug 02 14:50:26.376 INFO kablam! 61 | #![feature(rust_2018_preview)]
Aug 02 14:50:26.376 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 14:50:26.376 INFO kablam! 
Aug 02 14:50:26.376 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:50:26.376 INFO kablam!   --> src/lib.rs:62:1
Aug 02 14:50:26.376 INFO kablam!    |
Aug 02 14:50:26.376 INFO kablam! 62 | #![feature(rust_2018_idioms)]
Aug 02 14:50:26.376 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 14:50:26.376 INFO kablam! 
Aug 02 14:50:26.377 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:50:26.377 INFO kablam!   --> src/lib.rs:63:1
Aug 02 14:50:26.377 INFO kablam!    |
Aug 02 14:50:26.377 INFO kablam! 63 | #![feature(shared, core_intrinsics, alloc, allocator_api, unique, try_from)]
Aug 02 14:50:26.377 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 14:50:26.377 INFO kablam! 
Aug 02 14:50:26.379 INFO kablam! error: aborting due to 4 previous errors
Aug 02 14:50:26.379 INFO kablam! 
Aug 02 14:50:26.379 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 14:50:26.386 INFO kablam! error: Could not compile `arccstr`.
Aug 02 14:50:26.387 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 14:50:26.706 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:50:26.706 INFO kablam!   --> src/lib.rs:60:1
Aug 02 14:50:26.706 INFO kablam!    |
Aug 02 14:50:26.706 INFO kablam! 60 | #![feature(ptr_internals)]
Aug 02 14:50:26.706 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 14:50:26.706 INFO kablam! 
Aug 02 14:50:26.706 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:50:26.706 INFO kablam!   --> src/lib.rs:61:1
Aug 02 14:50:26.706 INFO kablam!    |
Aug 02 14:50:26.706 INFO kablam! 61 | #![feature(rust_2018_preview)]
Aug 02 14:50:26.706 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 14:50:26.706 INFO kablam! 
Aug 02 14:50:26.706 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:50:26.706 INFO kablam!   --> src/lib.rs:62:1
Aug 02 14:50:26.706 INFO kablam!    |
Aug 02 14:50:26.706 INFO kablam! 62 | #![feature(rust_2018_idioms)]
Aug 02 14:50:26.706 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 14:50:26.707 INFO kablam! 
Aug 02 14:50:26.707 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:50:26.707 INFO kablam!   --> src/lib.rs:63:1
Aug 02 14:50:26.707 INFO kablam!    |
Aug 02 14:50:26.707 INFO kablam! 63 | #![feature(shared, core_intrinsics, alloc, allocator_api, unique, try_from)]
Aug 02 14:50:26.707 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 14:50:26.707 INFO kablam! 
Aug 02 14:50:26.709 INFO kablam! error: aborting due to 4 previous errors
Aug 02 14:50:26.709 INFO kablam! 
Aug 02 14:50:26.709 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 14:50:26.718 INFO kablam! error: Could not compile `arccstr`.
Aug 02 14:50:26.718 INFO kablam! 
Aug 02 14:50:26.718 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 14:50:26.719 INFO kablam! su: No module specific data is present
Aug 02 14:50:27.334 INFO running `"docker" "rm" "-f" "f738bbd578ab9b340c7305501df7ff61830071233a8b932b6bbb0d86574bbfcc"`
Aug 02 14:50:27.501 INFO blam! f738bbd578ab9b340c7305501df7ff61830071233a8b932b6bbb0d86574bbfcc