Aug 02 13:32:55.276 INFO checking calculate-0.1.0 against 1.27.2 for lazy_static-1
Aug 02 13:32:55.276 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:32:55.276 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:32:55.276 INFO running `"docker" "create" "-v" "/tmp/crater.BwLHmbmSfzNP:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2:/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 13:32:55.520 INFO blam! fa26a4223c3aa051114d65b3315233c4c2f7385bc4ad309da860f67ab4807f76
Aug 02 13:32:55.521 INFO running `"docker" "start" "-a" "fa26a4223c3aa051114d65b3315233c4c2f7385bc4ad309da860f67ab4807f76"`
Aug 02 13:32:57.281 INFO kablam!     Checking calculate v0.1.0 (file:///source)
Aug 02 13:32:58.023 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:32:58.024 INFO kablam!  --> src/lib.rs:1:19
Aug 02 13:32:58.024 INFO kablam!   |
Aug 02 13:32:58.024 INFO kablam! 1 | #![cfg_attr(test, feature(test))]
Aug 02 13:32:58.024 INFO kablam!   |                   ^^^^^^^^^^^^^^
Aug 02 13:32:58.024 INFO kablam! 
Aug 02 13:32:58.024 INFO kablam! error: aborting due to previous error
Aug 02 13:32:58.028 INFO kablam! 
Aug 02 13:32:58.028 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:32:58.032 INFO kablam! error: Could not compile `calculate`.
Aug 02 13:32:58.032 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 13:32:58.288 INFO kablam! error: build failed
Aug 02 13:32:58.291 INFO kablam! su: No module specific data is present
Aug 02 13:32:58.822 INFO running `"docker" "rm" "-f" "fa26a4223c3aa051114d65b3315233c4c2f7385bc4ad309da860f67ab4807f76"`
Aug 02 13:32:58.926 INFO blam! fa26a4223c3aa051114d65b3315233c4c2f7385bc4ad309da860f67ab4807f76