Aug 02 05:52:35.364 INFO checking lambdaOS-0.1.0 against 1.27.2+tmplazy for lazy_static-1 Aug 02 05:52:35.365 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 02 05:52:35.365 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 02 05:52:35.365 INFO running `"docker" "create" "-v" "/tmp/crater.R9G3M9hMjeJx:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2+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 05:52:35.570 INFO blam! 5f2fc92bf70019038b791e7455f7c652dff269a16135cb7b9b988db8efda3369 Aug 02 05:52:35.572 INFO running `"docker" "start" "-a" "5f2fc92bf70019038b791e7455f7c652dff269a16135cb7b9b988db8efda3369"` Aug 02 05:52:37.212 INFO kablam! Checking bit_field v0.7.0 Aug 02 05:52:37.212 INFO kablam! Checking bitflags v0.4.0 Aug 02 05:52:37.212 INFO kablam! Checking spin v0.4.8 Aug 02 05:52:37.213 INFO kablam! Checking volatile v0.1.0 Aug 02 05:52:37.217 INFO kablam! Checking once v0.3.3 Aug 02 05:52:37.616 INFO kablam! Checking multiboot2 v0.1.0 Aug 02 05:52:37.985 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 05:52:37.985 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:6:30 Aug 02 05:52:37.985 INFO kablam! | Aug 02 05:52:37.985 INFO kablam! 6 | #![cfg_attr(feature = "asm", feature(asm))] Aug 02 05:52:37.985 INFO kablam! | ^^^^^^^^^^^^^ Aug 02 05:52:37.985 INFO kablam! Aug 02 05:52:37.985 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 05:52:37.985 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:7:42 Aug 02 05:52:37.985 INFO kablam! | Aug 02 05:52:37.985 INFO kablam! 7 | #![cfg_attr(feature = "core_intrinsics", feature(core_intrinsics))] Aug 02 05:52:37.985 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^ Aug 02 05:52:37.985 INFO kablam! Aug 02 05:52:37.985 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 05:52:37.985 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:35 Aug 02 05:52:37.985 INFO kablam! | Aug 02 05:52:37.985 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))] Aug 02 05:52:37.985 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Aug 02 05:52:37.985 INFO kablam! Aug 02 05:52:38.000 INFO kablam! error: aborting due to 3 previous errors Aug 02 05:52:38.000 INFO kablam! Aug 02 05:52:38.000 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 02 05:52:38.008 INFO kablam! error: Could not compile `spin`. Aug 02 05:52:38.008 INFO kablam! warning: build failed, waiting for other jobs to finish... Aug 02 05:52:38.674 INFO kablam! error: build failed Aug 02 05:52:38.676 INFO kablam! su: No module specific data is present Aug 02 05:52:39.341 INFO running `"docker" "rm" "-f" "5f2fc92bf70019038b791e7455f7c652dff269a16135cb7b9b988db8efda3369"` Aug 02 05:52:39.487 INFO blam! 5f2fc92bf70019038b791e7455f7c652dff269a16135cb7b9b988db8efda3369