Aug 10 18:14:05.600 INFO checking phil-opp/blog_os against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 10 18:14:05.600 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 10 18:14:05.601 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 10 18:14:05.601 INFO running `"docker" "create" "-v" "/tmp/crater.TdONCN8oyig7:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-1/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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 +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 10 18:14:05.879 INFO blam! ee776b56a251e48bff8d55cc97647b5229acede0a18a033e3c74b71a3b05bb2a
Aug 10 18:14:05.881 INFO running `"docker" "start" "-a" "ee776b56a251e48bff8d55cc97647b5229acede0a18a033e3c74b71a3b05bb2a"`
Aug 10 18:14:07.000 INFO kablam!    Compiling version_check v0.1.4
Aug 10 18:14:07.000 INFO kablam!     Checking usize_conversions v0.2.0
Aug 10 18:14:07.012 INFO kablam!     Checking ux v0.1.2
Aug 10 18:14:07.027 INFO kablam!     Checking bitflags v1.0.3
Aug 10 18:14:07.029 INFO kablam!     Checking os_bootinfo v0.2.1
Aug 10 18:14:07.032 INFO kablam!     Checking bit_field v0.9.0
Aug 10 18:14:08.081 INFO kablam!     Checking spin v0.4.8
Aug 10 18:14:10.439 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Aug 10 18:14:10.439 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:76
Aug 10 18:14:10.439 INFO kablam!   |
Aug 10 18:14:10.440 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 10 18:14:10.440 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Aug 10 18:14:10.464 INFO kablam! 
Aug 10 18:14:10.465 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 10 18:14:10.465 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:53
Aug 10 18:14:10.465 INFO kablam!   |
Aug 10 18:14:10.465 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 10 18:14:10.465 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 10 18:14:10.465 INFO kablam! 
Aug 10 18:14:10.629 INFO kablam! error: aborting due to 2 previous errors
Aug 10 18:14:10.629 INFO kablam! 
Aug 10 18:14:10.629 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 10 18:14:10.653 INFO kablam! error: Could not compile `spin`.
Aug 10 18:14:10.653 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 10 18:14:11.585 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Aug 10 18:14:11.585 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:76
Aug 10 18:14:11.585 INFO kablam!   |
Aug 10 18:14:11.585 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 10 18:14:11.585 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Aug 10 18:14:11.585 INFO kablam! 
Aug 10 18:14:11.585 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 10 18:14:11.585 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:53
Aug 10 18:14:11.585 INFO kablam!   |
Aug 10 18:14:11.585 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 10 18:14:11.585 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 10 18:14:11.585 INFO kablam! 
Aug 10 18:14:11.752 INFO kablam! error: aborting due to 2 previous errors
Aug 10 18:14:11.753 INFO kablam! 
Aug 10 18:14:11.753 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 10 18:14:11.817 INFO kablam! error: Could not compile `spin`.
Aug 10 18:14:11.818 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 10 18:14:51.442 INFO kablam! error: build failed
Aug 10 18:14:51.443 INFO kablam! su: No module specific data is present
Aug 10 18:14:52.012 INFO running `"docker" "rm" "-f" "ee776b56a251e48bff8d55cc97647b5229acede0a18a033e3c74b71a3b05bb2a"`
Aug 10 18:14:52.169 INFO blam! ee776b56a251e48bff8d55cc97647b5229acede0a18a033e3c74b71a3b05bb2a