Aug 02 12:34:22.459 INFO checking compact-0.2.5 against 1.27.2+tmplazy for lazy_static-1
Aug 02 12:34:22.460 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:34:22.460 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:34:22.460 INFO running `"docker" "create" "-v" "/tmp/crater.uMRsaw9BBOAN:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2+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 12:34:22.791 INFO blam! a70c337fc1868ac83afd85f9de0f5a5ac5fc67b72a80d3d09f7364870194bb3b
Aug 02 12:34:22.793 INFO running `"docker" "start" "-a" "a70c337fc1868ac83afd85f9de0f5a5ac5fc67b72a80d3d09f7364870194bb3b"`
Aug 02 12:34:23.850 INFO kablam!     Checking simple_allocator_trait v0.1.0
Aug 02 12:34:23.852 INFO kablam!     Checking num-integer v0.1.39
Aug 02 12:34:25.794 INFO kablam!     Checking primal-check v0.2.3
Aug 02 12:34:26.976 INFO kablam!     Checking primal v0.2.3
Aug 02 12:34:27.820 INFO kablam!     Checking compact v0.2.5 (file:///source)
Aug 02 12:34:29.246 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:34:29.246 INFO kablam!   --> src/lib.rs:17:1
Aug 02 12:34:29.246 INFO kablam!    |
Aug 02 12:34:29.246 INFO kablam! 17 | #![feature(specialization)]
Aug 02 12:34:29.246 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 12:34:29.246 INFO kablam! 
Aug 02 12:34:29.247 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:34:29.247 INFO kablam!   --> src/lib.rs:18:1
Aug 02 12:34:29.247 INFO kablam!    |
Aug 02 12:34:29.247 INFO kablam! 18 | #![feature(optin_builtin_traits)]
Aug 02 12:34:29.247 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 12:34:29.247 INFO kablam! 
Aug 02 12:34:29.247 INFO kablam! error: aborting due to 2 previous errors
Aug 02 12:34:29.248 INFO kablam! 
Aug 02 12:34:29.248 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 12:34:29.292 INFO kablam! error: Could not compile `compact`.
Aug 02 12:34:29.292 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 12:34:29.470 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:34:29.471 INFO kablam!   --> src/lib.rs:17:1
Aug 02 12:34:29.471 INFO kablam!    |
Aug 02 12:34:29.471 INFO kablam! 17 | #![feature(specialization)]
Aug 02 12:34:29.471 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 12:34:29.472 INFO kablam! 
Aug 02 12:34:29.472 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:34:29.472 INFO kablam!   --> src/lib.rs:18:1
Aug 02 12:34:29.472 INFO kablam!    |
Aug 02 12:34:29.472 INFO kablam! 18 | #![feature(optin_builtin_traits)]
Aug 02 12:34:29.472 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 12:34:29.473 INFO kablam! 
Aug 02 12:34:29.497 INFO kablam! error: aborting due to 2 previous errors
Aug 02 12:34:29.497 INFO kablam! 
Aug 02 12:34:29.497 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 12:34:29.497 INFO kablam! error: Could not compile `compact`.
Aug 02 12:34:29.497 INFO kablam! 
Aug 02 12:34:29.497 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 12:34:29.498 INFO kablam! su: No module specific data is present
Aug 02 12:34:30.351 INFO running `"docker" "rm" "-f" "a70c337fc1868ac83afd85f9de0f5a5ac5fc67b72a80d3d09f7364870194bb3b"`
Aug 02 12:34:30.539 INFO blam! a70c337fc1868ac83afd85f9de0f5a5ac5fc67b72a80d3d09f7364870194bb3b