Aug 01 21:33:49.065 INFO checking sqa-bounded-spsc-queue-0.2.1 against 1.27.2 for lazy_static-1
Aug 01 21:33:49.065 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:33:49.065 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:33:49.065 INFO running `"docker" "create" "-v" "/tmp/crater.DplUAnzvEwxH:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2:/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 21:33:49.353 INFO blam! 4381d885dff206e546dc7dc48c529f6592476d2d610166d2e05844ce684ea92a
Aug 01 21:33:49.354 INFO running `"docker" "start" "-a" "4381d885dff206e546dc7dc48c529f6592476d2d610166d2e05844ce684ea92a"`
Aug 01 21:33:50.406 INFO kablam!     Checking sqa-bounded-spsc-queue v0.2.1 (file:///source)
Aug 01 21:33:50.829 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:33:50.829 INFO kablam!  --> src/lib.rs:1:1
Aug 01 21:33:50.829 INFO kablam!   |
Aug 01 21:33:50.830 INFO kablam! 1 | #![feature(allocator_api, alloc, box_syntax, optin_builtin_traits)]
Aug 01 21:33:50.830 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:33:50.830 INFO kablam! 
Aug 01 21:33:50.834 INFO kablam! error: aborting due to previous error
Aug 01 21:33:50.834 INFO kablam! 
Aug 01 21:33:50.834 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 21:33:50.863 INFO kablam! error: Could not compile `sqa-bounded-spsc-queue`.
Aug 01 21:33:50.863 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 21:33:50.929 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:33:50.929 INFO kablam!  --> src/lib.rs:1:1
Aug 01 21:33:50.929 INFO kablam!   |
Aug 01 21:33:50.929 INFO kablam! 1 | #![feature(allocator_api, alloc, box_syntax, optin_builtin_traits)]
Aug 01 21:33:50.929 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:33:50.929 INFO kablam! 
Aug 01 21:33:50.931 INFO kablam! error: aborting due to previous error
Aug 01 21:33:50.931 INFO kablam! 
Aug 01 21:33:50.931 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 21:33:50.938 INFO kablam! error: Could not compile `sqa-bounded-spsc-queue`.
Aug 01 21:33:50.938 INFO kablam! 
Aug 01 21:33:50.938 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 21:33:50.939 INFO kablam! su: No module specific data is present
Aug 01 21:33:51.685 INFO running `"docker" "rm" "-f" "4381d885dff206e546dc7dc48c529f6592476d2d610166d2e05844ce684ea92a"`
Aug 01 21:33:51.851 INFO blam! 4381d885dff206e546dc7dc48c529f6592476d2d610166d2e05844ce684ea92a