Aug 02 06:46:46.084 INFO checking immutable-map-0.1.2 against 1.27.2 for lazy_static-1
Aug 02 06:46:46.084 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:46:46.084 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:46:46.084 INFO running `"docker" "create" "-v" "/tmp/crater.2lzaq2RneFYt:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2:/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 06:46:46.300 INFO blam! 91e002f9389ef6424d3eff9659be8606575cd5dbf0638e4903d8242099e83ff7
Aug 02 06:46:46.302 INFO running `"docker" "start" "-a" "91e002f9389ef6424d3eff9659be8606575cd5dbf0638e4903d8242099e83ff7"`
Aug 02 06:46:47.479 INFO kablam!     Checking immutable-map v0.1.2 (file:///source)
Aug 02 06:46:50.144 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 06:46:50.144 INFO kablam!  --> benches/bench.rs:1:1
Aug 02 06:46:50.144 INFO kablam!   |
Aug 02 06:46:50.144 INFO kablam! 1 | #![feature(test)]
Aug 02 06:46:50.144 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 06:46:50.144 INFO kablam! 
Aug 02 06:46:50.145 INFO kablam! error: aborting due to previous error
Aug 02 06:46:50.145 INFO kablam! 
Aug 02 06:46:50.145 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 06:46:50.153 INFO kablam! error: Could not compile `immutable-map`.
Aug 02 06:46:50.153 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 06:46:51.892 INFO kablam! error: build failed
Aug 02 06:46:51.894 INFO kablam! su: No module specific data is present
Aug 02 06:46:52.579 INFO running `"docker" "rm" "-f" "91e002f9389ef6424d3eff9659be8606575cd5dbf0638e4903d8242099e83ff7"`
Aug 02 06:46:52.736 INFO blam! 91e002f9389ef6424d3eff9659be8606575cd5dbf0638e4903d8242099e83ff7