Aug 01 22:19:48.410 INFO checking shell_helper-0.2.12 against 1.27.2+tmplazy for lazy_static-1
Aug 01 22:19:48.410 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:19:48.410 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:19:48.410 INFO running `"docker" "create" "-v" "/tmp/crater.7kY1A1OGh8Xn:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2+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 22:19:48.606 INFO blam! ccd3998ac2f0d8e7486602b0a8a6f062d853821e3e830883fb899885ca96587d
Aug 01 22:19:48.608 INFO running `"docker" "start" "-a" "ccd3998ac2f0d8e7486602b0a8a6f062d853821e3e830883fb899885ca96587d"`
Aug 01 22:19:50.384 INFO kablam!     Checking shell_helper v0.2.12 (file:///source)
Aug 01 22:19:51.784 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:19:51.784 INFO kablam!  --> src/lib.rs:3:1
Aug 01 22:19:51.784 INFO kablam!   |
Aug 01 22:19:51.784 INFO kablam! 3 | #![feature(range_contains)]
Aug 01 22:19:51.784 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 22:19:51.784 INFO kablam! 
Aug 01 22:19:51.785 INFO kablam! error: aborting due to previous error
Aug 01 22:19:51.785 INFO kablam! 
Aug 01 22:19:51.785 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 22:19:51.795 INFO kablam! error: Could not compile `shell_helper`.
Aug 01 22:19:51.795 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 22:19:51.817 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:19:51.817 INFO kablam!  --> src/lib.rs:3:1
Aug 01 22:19:51.817 INFO kablam!   |
Aug 01 22:19:51.818 INFO kablam! 3 | #![feature(range_contains)]
Aug 01 22:19:51.818 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 22:19:51.818 INFO kablam! 
Aug 01 22:19:51.818 INFO kablam! error: aborting due to previous error
Aug 01 22:19:51.818 INFO kablam! 
Aug 01 22:19:51.818 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 22:19:51.833 INFO kablam! error: Could not compile `shell_helper`.
Aug 01 22:19:51.833 INFO kablam! 
Aug 01 22:19:51.833 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 22:19:51.834 INFO kablam! su: No module specific data is present
Aug 01 22:19:52.370 INFO running `"docker" "rm" "-f" "ccd3998ac2f0d8e7486602b0a8a6f062d853821e3e830883fb899885ca96587d"`
Aug 01 22:19:52.548 INFO blam! ccd3998ac2f0d8e7486602b0a8a6f062d853821e3e830883fb899885ca96587d