Aug 02 03:25:10.451 INFO checking npy-0.4.0 against 1.27.2 for lazy_static-1
Aug 02 03:25:10.451 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:25:10.451 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:25:10.451 INFO running `"docker" "create" "-v" "/tmp/crater.tyKnsYkcPvKg:/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 03:25:10.903 INFO blam! 18ad4f37b1133807ba5edcb383c0f8d719446539bd552e93b74c8e8e69eff119
Aug 02 03:25:10.905 INFO running `"docker" "start" "-a" "18ad4f37b1133807ba5edcb383c0f8d719446539bd552e93b74c8e8e69eff119"`
Aug 02 03:25:12.730 INFO kablam!     Checking npy v0.4.0 (file:///source)
Aug 02 03:25:12.733 INFO kablam!    Compiling npy-derive v0.4.0
Aug 02 03:25:21.416 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:25:21.416 INFO kablam!  --> benches/bench.rs:1:1
Aug 02 03:25:21.417 INFO kablam!   |
Aug 02 03:25:21.417 INFO kablam! 1 | #![feature(test)]
Aug 02 03:25:21.417 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 03:25:21.417 INFO kablam! 
Aug 02 03:25:21.417 INFO kablam! error: aborting due to previous error
Aug 02 03:25:21.417 INFO kablam! 
Aug 02 03:25:21.417 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:25:21.432 INFO kablam! error: Could not compile `npy`.
Aug 02 03:25:21.433 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:25:24.211 INFO kablam! error: build failed
Aug 02 03:25:24.212 INFO kablam! su: No module specific data is present
Aug 02 03:25:25.025 INFO running `"docker" "rm" "-f" "18ad4f37b1133807ba5edcb383c0f8d719446539bd552e93b74c8e8e69eff119"`
Aug 02 03:25:25.110 INFO blam! 18ad4f37b1133807ba5edcb383c0f8d719446539bd552e93b74c8e8e69eff119