Aug 01 17:18:01.375 INFO checking balajisivaraman/basic_calculator_rs against 1.27.2+tmplazy for lazy_static-1
Aug 01 17:18:01.375 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 17:18:01.375 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 17:18:01.375 INFO running `"docker" "create" "-v" "/tmp/crater.u14Lgazlt87a:/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 01 17:18:01.603 INFO blam! a1c836ce7ff96296121a2c9190115f0c660d0bac790d1ca2a9c4162ce095b5a3
Aug 01 17:18:01.605 INFO running `"docker" "start" "-a" "a1c836ce7ff96296121a2c9190115f0c660d0bac790d1ca2a9c4162ce095b5a3"`
Aug 01 17:18:02.445 INFO kablam!    Compiling compiler_error v0.1.1
Aug 01 17:18:02.448 INFO kablam!     Checking memchr v1.0.2
Aug 01 17:18:04.056 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 17:18:04.056 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/compiler_error-0.1.1/src/lib.rs:1:1
Aug 01 17:18:04.056 INFO kablam!   |
Aug 01 17:18:04.056 INFO kablam! 1 | #![feature(plugin_registrar, rustc_private)]
Aug 01 17:18:04.056 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 17:18:04.056 INFO kablam! 
Aug 01 17:18:04.057 INFO kablam! error: aborting due to previous error
Aug 01 17:18:04.057 INFO kablam! 
Aug 01 17:18:04.057 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 17:18:04.073 INFO kablam! error: Could not compile `compiler_error`.
Aug 01 17:18:04.073 INFO kablam! 
Aug 01 17:18:04.073 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 17:18:04.075 INFO kablam! su: No module specific data is present
Aug 01 17:18:04.595 INFO running `"docker" "rm" "-f" "a1c836ce7ff96296121a2c9190115f0c660d0bac790d1ca2a9c4162ce095b5a3"`
Aug 01 17:18:04.751 INFO blam! a1c836ce7ff96296121a2c9190115f0c660d0bac790d1ca2a9c4162ce095b5a3