Aug 01 22:16:56.717 INFO checking sht3x-0.1.1 against 1.27.2+tmplazy for lazy_static-1 Aug 01 22:16:56.717 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 01 22:16:56.717 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 01 22:16:56.717 INFO running `"docker" "create" "-v" "/tmp/crater.R3kgGmx6XHGY:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2+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 01 22:16:56.967 INFO blam! 757d011daff9be5beb23a18d7ac314264d88107e55b977cbfe8c988b8c77248a Aug 01 22:16:56.975 INFO running `"docker" "start" "-a" "757d011daff9be5beb23a18d7ac314264d88107e55b977cbfe8c988b8c77248a"` Aug 01 22:16:58.258 INFO kablam! Checking embedded-hal v0.1.3 Aug 01 22:16:58.711 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 01 22:16:58.711 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/embedded-hal-0.1.3/src/lib.rs:681:1 Aug 01 22:16:58.711 INFO kablam! | Aug 01 22:16:58.711 INFO kablam! 681 | #![feature(never_type)] Aug 01 22:16:58.711 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^ Aug 01 22:16:58.711 INFO kablam! Aug 01 22:16:58.715 INFO kablam! error: aborting due to previous error Aug 01 22:16:58.715 INFO kablam! Aug 01 22:16:58.715 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 01 22:16:58.731 INFO kablam! error: Could not compile `embedded-hal`. Aug 01 22:16:58.731 INFO kablam! Aug 01 22:16:58.731 INFO kablam! To learn more, run the command again with --verbose. Aug 01 22:16:58.732 INFO kablam! su: No module specific data is present Aug 01 22:16:59.408 INFO running `"docker" "rm" "-f" "757d011daff9be5beb23a18d7ac314264d88107e55b977cbfe8c988b8c77248a"` Aug 01 22:16:59.594 INFO blam! 757d011daff9be5beb23a18d7ac314264d88107e55b977cbfe8c988b8c77248a