Aug 02 04:56:31.287 INFO checking lru2-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 04:56:31.287 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:56:31.287 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:56:31.287 INFO running `"docker" "create" "-v" "/tmp/crater.exIwDD8CNhxM:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2+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 04:56:31.524 INFO blam! baa1ad247d2f67e651cf0e84ab9fe06787e74237efc388b1a698ce9d80b93aa3
Aug 02 04:56:31.525 INFO running `"docker" "start" "-a" "baa1ad247d2f67e651cf0e84ab9fe06787e74237efc388b1a698ce9d80b93aa3"`
Aug 02 04:56:32.949 INFO kablam!     Checking lru2 v0.1.0 (file:///source)
Aug 02 04:56:33.405 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:56:33.405 INFO kablam!  --> src/lib.rs:4:1
Aug 02 04:56:33.405 INFO kablam!   |
Aug 02 04:56:33.405 INFO kablam! 4 | #![feature(test)]
Aug 02 04:56:33.405 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 04:56:33.405 INFO kablam! 
Aug 02 04:56:33.406 INFO kablam! error: aborting due to previous error
Aug 02 04:56:33.406 INFO kablam! 
Aug 02 04:56:33.406 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:56:33.413 INFO kablam! error: Could not compile `lru2`.
Aug 02 04:56:33.414 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:56:33.481 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:56:33.481 INFO kablam!  --> src/lib.rs:4:1
Aug 02 04:56:33.481 INFO kablam!   |
Aug 02 04:56:33.481 INFO kablam! 4 | #![feature(test)]
Aug 02 04:56:33.481 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 04:56:33.482 INFO kablam! 
Aug 02 04:56:33.483 INFO kablam! error: aborting due to previous error
Aug 02 04:56:33.484 INFO kablam! 
Aug 02 04:56:33.484 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:56:33.510 INFO kablam! error: Could not compile `lru2`.
Aug 02 04:56:33.510 INFO kablam! 
Aug 02 04:56:33.510 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 04:56:33.512 INFO kablam! su: No module specific data is present
Aug 02 04:56:34.203 INFO running `"docker" "rm" "-f" "baa1ad247d2f67e651cf0e84ab9fe06787e74237efc388b1a698ce9d80b93aa3"`
Aug 02 04:56:34.351 INFO blam! baa1ad247d2f67e651cf0e84ab9fe06787e74237efc388b1a698ce9d80b93aa3