Aug 02 04:01:50.577 INFO checking msp430g2553-0.1.4 against 1.27.2+tmplazy for lazy_static-1 Aug 02 04:01:50.577 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 02 04:01:50.577 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 02 04:01:50.578 INFO running `"docker" "create" "-v" "/tmp/crater.Is7qDqXcT33n:/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 04:01:50.843 INFO blam! 2c8015429dd11313d9087ef583167dd3e5d915cc7031a2833f9a503ed2b8766c Aug 02 04:01:50.848 INFO running `"docker" "start" "-a" "2c8015429dd11313d9087ef583167dd3e5d915cc7031a2833f9a503ed2b8766c"` Aug 02 04:01:52.075 INFO kablam! Checking bare-metal v0.1.2 Aug 02 04:01:52.077 INFO kablam! Compiling msp430-rt v0.1.3 Aug 02 04:01:52.410 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 04:01:52.410 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.1.2/src/lib.rs:5:35 Aug 02 04:01:52.410 INFO kablam! | Aug 02 04:01:52.410 INFO kablam! 5 | #![cfg_attr(feature = "const-fn", feature(const_fn, const_unsafe_cell_new))] Aug 02 04:01:52.410 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Aug 02 04:01:52.411 INFO kablam! Aug 02 04:01:52.411 INFO kablam! error: aborting due to previous error Aug 02 04:01:52.412 INFO kablam! Aug 02 04:01:52.412 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 02 04:01:52.426 INFO kablam! error: Could not compile `bare-metal`. Aug 02 04:01:52.427 INFO kablam! warning: build failed, waiting for other jobs to finish... Aug 02 04:01:53.797 INFO kablam! error: build failed Aug 02 04:01:53.798 INFO kablam! su: No module specific data is present Aug 02 04:01:54.327 INFO running `"docker" "rm" "-f" "2c8015429dd11313d9087ef583167dd3e5d915cc7031a2833f9a503ed2b8766c"` Aug 02 04:01:54.567 INFO blam! 2c8015429dd11313d9087ef583167dd3e5d915cc7031a2833f9a503ed2b8766c