Aug 10 17:25:48.508 INFO checking souvik1997/kernel-roulette against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1 Aug 10 17:25:48.508 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets Aug 10 17:25:48.508 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets Aug 10 17:25:48.508 INFO running `"docker" "create" "-v" "/tmp/crater.CDIpAErT9pdQ:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-2/try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+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 +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"` Aug 10 17:25:48.817 INFO blam! 5919cb0315aad4c5212441191272fa0a68dfbf366e23c4e446a0f5ab37d13660 Aug 10 17:25:48.819 INFO running `"docker" "start" "-a" "5919cb0315aad4c5212441191272fa0a68dfbf366e23c4e446a0f5ab37d13660"` Aug 10 17:25:49.736 INFO kablam! Checking spin v0.4.8 Aug 10 17:25:49.736 INFO kablam! Checking rand v0.4.2 Aug 10 17:25:49.736 INFO kablam! Compiling lazy_static v1.1.0 Aug 10 17:25:50.722 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new` Aug 10 17:25:50.722 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:76 Aug 10 17:25:50.722 INFO kablam! | Aug 10 17:25:50.722 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))] Aug 10 17:25:50.722 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^ Aug 10 17:25:50.723 INFO kablam! Aug 10 17:25:50.723 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new` Aug 10 17:25:50.723 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:53 Aug 10 17:25:50.723 INFO kablam! | Aug 10 17:25:50.723 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))] Aug 10 17:25:50.723 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Aug 10 17:25:50.723 INFO kablam! Aug 10 17:25:50.783 INFO kablam! error: aborting due to 2 previous errors Aug 10 17:25:50.783 INFO kablam! Aug 10 17:25:50.783 INFO kablam! For more information about this error, try `rustc --explain E0635`. Aug 10 17:25:50.809 INFO kablam! error: Could not compile `spin`. Aug 10 17:25:50.809 INFO kablam! warning: build failed, waiting for other jobs to finish... Aug 10 17:25:53.450 INFO kablam! error: build failed Aug 10 17:25:53.452 INFO kablam! su: No module specific data is present Aug 10 17:25:54.056 INFO running `"docker" "rm" "-f" "5919cb0315aad4c5212441191272fa0a68dfbf366e23c4e446a0f5ab37d13660"` Aug 10 17:25:54.222 INFO blam! 5919cb0315aad4c5212441191272fa0a68dfbf366e23c4e446a0f5ab37d13660