Aug 11 09:22:24.766 INFO checking lm4f120-0.10.0 against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 11 09:22:24.767 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 09:22:24.767 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 09:22:24.767 INFO running `"docker" "create" "-v" "/tmp/crater.DZJ2i1ze5ENJ:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-7/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 11 09:22:24.990 INFO blam! 97ccad2bd36d0fc4af3a4512db8d280b8b9c63fb3288bba0b640856925b56009
Aug 11 09:22:24.992 INFO running `"docker" "start" "-a" "97ccad2bd36d0fc4af3a4512db8d280b8b9c63fb3288bba0b640856925b56009"`
Aug 11 09:22:26.834 INFO kablam!     Checking vcell v0.1.0
Aug 11 09:22:26.834 INFO kablam!    Compiling cortex-m v0.4.3
Aug 11 09:22:26.834 INFO kablam!     Checking bare-metal v0.1.2
Aug 11 09:22:26.836 INFO kablam!     Checking aligned v0.1.2
Aug 11 09:22:26.837 INFO kablam!     Checking untagged-option v0.1.1
Aug 11 09:22:26.839 INFO kablam!     Checking void v1.0.2
Aug 11 09:22:26.839 INFO kablam!     Checking spin v0.4.8
Aug 11 09:22:27.178 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 11 09:22:27.178 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.1.2/src/lib.rs:5:53
Aug 11 09:22:27.178 INFO kablam!   |
Aug 11 09:22:27.178 INFO kablam! 5 | #![cfg_attr(feature = "const-fn", feature(const_fn, const_unsafe_cell_new))]
Aug 11 09:22:27.178 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 11 09:22:27.180 INFO kablam! 
Aug 11 09:22:27.182 INFO kablam! error: aborting due to previous error
Aug 11 09:22:27.183 INFO kablam! 
Aug 11 09:22:27.183 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 11 09:22:27.192 INFO kablam! error: Could not compile `bare-metal`.
Aug 11 09:22:27.193 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 09:22:27.252 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 11 09:22:27.252 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.1.2/src/lib.rs:5:53
Aug 11 09:22:27.252 INFO kablam!   |
Aug 11 09:22:27.252 INFO kablam! 5 | #![cfg_attr(feature = "const-fn", feature(const_fn, const_unsafe_cell_new))]
Aug 11 09:22:27.252 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 11 09:22:27.252 INFO kablam! 
Aug 11 09:22:27.255 INFO kablam! error: aborting due to previous error
Aug 11 09:22:27.255 INFO kablam! 
Aug 11 09:22:27.256 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 11 09:22:27.271 INFO kablam! error: Could not compile `bare-metal`.
Aug 11 09:22:27.271 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 09:22:27.530 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Aug 11 09:22:27.530 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:76
Aug 11 09:22:27.530 INFO kablam!   |
Aug 11 09:22:27.530 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 11 09:22:27.530 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Aug 11 09:22:27.530 INFO kablam! 
Aug 11 09:22:27.530 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 11 09:22:27.530 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:53
Aug 11 09:22:27.530 INFO kablam!   |
Aug 11 09:22:27.530 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 11 09:22:27.530 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 11 09:22:27.531 INFO kablam! 
Aug 11 09:22:27.540 INFO kablam! error: aborting due to 2 previous errors
Aug 11 09:22:27.541 INFO kablam! 
Aug 11 09:22:27.541 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 11 09:22:27.549 INFO kablam! error: Could not compile `spin`.
Aug 11 09:22:27.549 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 09:22:28.785 INFO kablam! error: build failed
Aug 11 09:22:28.787 INFO kablam! su: No module specific data is present
Aug 11 09:22:29.492 INFO running `"docker" "rm" "-f" "97ccad2bd36d0fc4af3a4512db8d280b8b9c63fb3288bba0b640856925b56009"`
Aug 11 09:22:29.647 INFO blam! 97ccad2bd36d0fc4af3a4512db8d280b8b9c63fb3288bba0b640856925b56009