Aug 02 13:57:05.994 INFO checking block_allocator-0.2.2 against 1.27.2 for lazy_static-1
Aug 02 13:57:05.994 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:57:05.994 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:57:05.994 INFO running `"docker" "create" "-v" "/tmp/crater.6Jt5x3Xa3wbN:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2:/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 13:57:06.171 INFO blam! 9530f8e71de3282c4b9af8f20110b1f284989e0cf5f44b3a8f438a4be8a35ad8
Aug 02 13:57:06.174 INFO running `"docker" "start" "-a" "9530f8e71de3282c4b9af8f20110b1f284989e0cf5f44b3a8f438a4be8a35ad8"`
Aug 02 13:57:09.035 INFO kablam!     Checking block_allocator v0.2.2 (file:///source)
Aug 02 13:57:09.433 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:57:09.433 INFO kablam!   --> src/lib.rs:14:1
Aug 02 13:57:09.433 INFO kablam!    |
Aug 02 13:57:09.433 INFO kablam! 14 | #![feature(test)]
Aug 02 13:57:09.433 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Aug 02 13:57:09.433 INFO kablam! 
Aug 02 13:57:09.433 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:57:09.434 INFO kablam!   --> src/lib.rs:16:1
Aug 02 13:57:09.434 INFO kablam!    |
Aug 02 13:57:09.434 INFO kablam! 16 | #![feature(integer_atomics)]
Aug 02 13:57:09.434 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 13:57:09.434 INFO kablam! 
Aug 02 13:57:09.434 INFO kablam! error: aborting due to 2 previous errors
Aug 02 13:57:09.434 INFO kablam! 
Aug 02 13:57:09.434 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:57:09.439 INFO kablam! error: Could not compile `block_allocator`.
Aug 02 13:57:09.439 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 13:57:09.485 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:57:09.485 INFO kablam!   --> src/lib.rs:14:1
Aug 02 13:57:09.485 INFO kablam!    |
Aug 02 13:57:09.485 INFO kablam! 14 | #![feature(test)]
Aug 02 13:57:09.485 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Aug 02 13:57:09.486 INFO kablam! 
Aug 02 13:57:09.486 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:57:09.486 INFO kablam!   --> src/lib.rs:16:1
Aug 02 13:57:09.486 INFO kablam!    |
Aug 02 13:57:09.486 INFO kablam! 16 | #![feature(integer_atomics)]
Aug 02 13:57:09.486 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 13:57:09.486 INFO kablam! 
Aug 02 13:57:09.486 INFO kablam! error: aborting due to 2 previous errors
Aug 02 13:57:09.486 INFO kablam! 
Aug 02 13:57:09.486 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:57:09.494 INFO kablam! error: Could not compile `block_allocator`.
Aug 02 13:57:09.494 INFO kablam! 
Aug 02 13:57:09.494 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 13:57:09.496 INFO kablam! su: No module specific data is present
Aug 02 13:57:10.213 INFO running `"docker" "rm" "-f" "9530f8e71de3282c4b9af8f20110b1f284989e0cf5f44b3a8f438a4be8a35ad8"`
Aug 02 13:57:10.356 INFO blam! 9530f8e71de3282c4b9af8f20110b1f284989e0cf5f44b3a8f438a4be8a35ad8