Aug 02 09:22:46.713 INFO checking gen-iter-0.1.2 against 1.27.2+tmplazy for lazy_static-1 Aug 02 09:22:46.713 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 02 09:22:46.713 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 02 09:22:46.713 INFO running `"docker" "create" "-v" "/tmp/crater.KSpsHKvQq3Wx:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+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 09:22:46.959 INFO blam! 0555317ab15fc0c4594e735d3ab51fdeca5419167127452f0ef49f57192d65ae Aug 02 09:22:46.961 INFO running `"docker" "start" "-a" "0555317ab15fc0c4594e735d3ab51fdeca5419167127452f0ef49f57192d65ae"` Aug 02 09:22:47.982 INFO kablam! Checking gen-iter v0.1.2 (file:///source) Aug 02 09:22:48.661 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 09:22:48.661 INFO kablam! --> src/lib.rs:37:1 Aug 02 09:22:48.661 INFO kablam! | Aug 02 09:22:48.661 INFO kablam! 37 | #![feature(generators, generator_trait)] Aug 02 09:22:48.661 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Aug 02 09:22:48.661 INFO kablam! Aug 02 09:22:48.662 INFO kablam! error: aborting due to previous error Aug 02 09:22:48.662 INFO kablam! Aug 02 09:22:48.662 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 02 09:22:48.669 INFO kablam! error: Could not compile `gen-iter`. Aug 02 09:22:48.670 INFO kablam! warning: build failed, waiting for other jobs to finish... Aug 02 09:22:48.791 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 09:22:48.791 INFO kablam! --> src/lib.rs:37:1 Aug 02 09:22:48.791 INFO kablam! | Aug 02 09:22:48.791 INFO kablam! 37 | #![feature(generators, generator_trait)] Aug 02 09:22:48.791 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Aug 02 09:22:48.791 INFO kablam! Aug 02 09:22:48.792 INFO kablam! error: aborting due to previous error Aug 02 09:22:48.792 INFO kablam! Aug 02 09:22:48.792 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 02 09:22:48.805 INFO kablam! error: Could not compile `gen-iter`. Aug 02 09:22:48.805 INFO kablam! Aug 02 09:22:48.805 INFO kablam! To learn more, run the command again with --verbose. Aug 02 09:22:48.811 INFO kablam! su: No module specific data is present Aug 02 09:22:49.383 INFO running `"docker" "rm" "-f" "0555317ab15fc0c4594e735d3ab51fdeca5419167127452f0ef49f57192d65ae"` Aug 02 09:22:49.657 INFO blam! 0555317ab15fc0c4594e735d3ab51fdeca5419167127452f0ef49f57192d65ae