Aug 02 02:37:39.893 INFO checking pattern-3-0.1.0 against 1.27.2 for lazy_static-1
Aug 02 02:37:39.893 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:37:39.893 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:37:39.893 INFO running `"docker" "create" "-v" "/tmp/crater.y8BPQ5E6vjLy:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2:/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 02:37:40.138 INFO blam! 8b0e85e53c5a984f480b326af0c54327de0282827d4f28c380aaeec311e8cf6a
Aug 02 02:37:40.141 INFO running `"docker" "start" "-a" "8b0e85e53c5a984f480b326af0c54327de0282827d4f28c380aaeec311e8cf6a"`
Aug 02 02:37:41.275 INFO kablam!     Checking pattern-3 v0.1.0 (file:///source)
Aug 02 02:37:42.008 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 02:37:42.008 INFO kablam!   --> src/lib.rs:1:1
Aug 02 02:37:42.008 INFO kablam!    |
Aug 02 02:37:42.008 INFO kablam! 1  | / #![feature(
Aug 02 02:37:42.008 INFO kablam! 2  | |     specialization,
Aug 02 02:37:42.008 INFO kablam! 3  | |     // used in two places:
Aug 02 02:37:42.008 INFO kablam! 4  | |     //  1. to support using the same two-way algorithm for non-Ord slices
Aug 02 02:37:42.008 INFO kablam! ...  |
Aug 02 02:37:42.008 INFO kablam! 17 | |     // some useful library features
Aug 02 02:37:42.008 INFO kablam! 18 | | )]
Aug 02 02:37:42.008 INFO kablam!    | |__^
Aug 02 02:37:42.008 INFO kablam! 
Aug 02 02:37:42.020 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 02:37:42.020 INFO kablam!   --> src/lib.rs:1:1
Aug 02 02:37:42.020 INFO kablam!    |
Aug 02 02:37:42.020 INFO kablam! 1  | / #![feature(
Aug 02 02:37:42.020 INFO kablam! 2  | |     specialization,
Aug 02 02:37:42.020 INFO kablam! 3  | |     // used in two places:
Aug 02 02:37:42.020 INFO kablam! 4  | |     //  1. to support using the same two-way algorithm for non-Ord slices
Aug 02 02:37:42.020 INFO kablam! ...  |
Aug 02 02:37:42.020 INFO kablam! 17 | |     // some useful library features
Aug 02 02:37:42.021 INFO kablam! 18 | | )]
Aug 02 02:37:42.021 INFO kablam!    | |__^
Aug 02 02:37:42.021 INFO kablam! 
Aug 02 02:37:42.026 INFO kablam! error: aborting due to previous error
Aug 02 02:37:42.026 INFO kablam! 
Aug 02 02:37:42.026 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 02:37:42.036 INFO kablam! error: Could not compile `pattern-3`.
Aug 02 02:37:42.036 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 02:37:42.039 INFO kablam! error: aborting due to previous error
Aug 02 02:37:42.039 INFO kablam! 
Aug 02 02:37:42.039 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 02:37:42.050 INFO kablam! error: Could not compile `pattern-3`.
Aug 02 02:37:42.050 INFO kablam! 
Aug 02 02:37:42.050 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 02:37:42.052 INFO kablam! su: No module specific data is present
Aug 02 02:37:42.642 INFO running `"docker" "rm" "-f" "8b0e85e53c5a984f480b326af0c54327de0282827d4f28c380aaeec311e8cf6a"`
Aug 02 02:37:42.792 INFO blam! 8b0e85e53c5a984f480b326af0c54327de0282827d4f28c380aaeec311e8cf6a