Aug 02 14:31:30.926 INFO checking auto_impl-0.2.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 14:31:30.926 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:31:30.926 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:31:30.927 INFO running `"docker" "create" "-v" "/tmp/crater.ewGPiYDWb4l3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2+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 14:31:31.135 INFO blam! cf7aff231f969cecb471563403759e2bad40f9460e4c14e89b3a27dde1e202a5
Aug 02 14:31:31.137 INFO running `"docker" "start" "-a" "cf7aff231f969cecb471563403759e2bad40f9460e4c14e89b3a27dde1e202a5"`
Aug 02 14:31:32.313 INFO kablam!     Blocking waiting for file lock on the git checkouts
Aug 02 14:31:32.347 INFO kablam!     Checking auto_impl v0.2.0 (file:///source)
Aug 02 14:31:33.663 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:31:33.663 INFO kablam!  --> src/lib.rs:2:24
Aug 02 14:31:33.663 INFO kablam!   |
Aug 02 14:31:33.663 INFO kablam! 2 | #![cfg_attr(not(test), feature(proc_macro))]
Aug 02 14:31:33.663 INFO kablam!   |                        ^^^^^^^^^^^^^^^^^^^^
Aug 02 14:31:33.663 INFO kablam! 
Aug 02 14:31:33.664 INFO kablam! error: aborting due to previous error
Aug 02 14:31:33.664 INFO kablam! 
Aug 02 14:31:33.665 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 14:31:33.677 INFO kablam! error: Could not compile `auto_impl`.
Aug 02 14:31:33.677 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 14:31:34.230 INFO kablam! error: build failed
Aug 02 14:31:34.231 INFO kablam! su: No module specific data is present
Aug 02 14:31:34.909 INFO running `"docker" "rm" "-f" "cf7aff231f969cecb471563403759e2bad40f9460e4c14e89b3a27dde1e202a5"`
Aug 02 14:31:35.018 INFO blam! cf7aff231f969cecb471563403759e2bad40f9460e4c14e89b3a27dde1e202a5