Aug 17 00:43:50.868 INFO checking notbdu/rustbelt against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 00:43:50.868 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 00:43:50.868 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 00:43:50.868 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-5/master#142bb27373126edf8367f526358b6c72ecf1d8df:/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" "-e" "USER_ID=500" "-e" "CMD=cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 00:43:51.160 INFO blam! 16d22cdf1b8fade3d9e0e5519fef1ee64357d4383bef69711257f5f80ca6b447
Aug 17 00:43:51.163 INFO running `"docker" "start" "-a" "16d22cdf1b8fade3d9e0e5519fef1ee64357d4383bef69711257f5f80ca6b447"`
Aug 17 00:43:52.183 INFO kablam!     Checking bit_field v0.7.0
Aug 17 00:43:52.203 INFO kablam!     Checking bitflags v0.4.0
Aug 17 00:43:52.207 INFO kablam!     Checking volatile v0.1.0
Aug 17 00:43:52.208 INFO kablam!     Checking spin v0.4.6
Aug 17 00:43:52.208 INFO kablam!     Checking rlibc v1.0.0
Aug 17 00:43:52.854 INFO kablam!     Checking multiboot2 v0.1.0
Aug 17 00:43:54.009 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Aug 17 00:43:54.009 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.6/src/lib.rs:8:76
Aug 17 00:43:54.009 INFO kablam!   |
Aug 17 00:43:54.009 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 17 00:43:54.009 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Aug 17 00:43:54.009 INFO kablam! 
Aug 17 00:43:54.009 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 17 00:43:54.009 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.6/src/lib.rs:8:53
Aug 17 00:43:54.009 INFO kablam!   |
Aug 17 00:43:54.009 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 17 00:43:54.009 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 17 00:43:54.010 INFO kablam! 
Aug 17 00:43:54.085 INFO kablam! error: aborting due to 2 previous errors
Aug 17 00:43:54.086 INFO kablam! 
Aug 17 00:43:54.086 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 17 00:43:54.115 INFO kablam! error: Could not compile `spin`.
Aug 17 00:43:54.115 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 17 00:43:54.774 INFO kablam! error: build failed
Aug 17 00:43:54.776 INFO kablam! su: No module specific data is present
Aug 17 00:43:55.321 INFO running `"docker" "rm" "-f" "16d22cdf1b8fade3d9e0e5519fef1ee64357d4383bef69711257f5f80ca6b447"`
Aug 17 00:43:55.478 INFO blam! 16d22cdf1b8fade3d9e0e5519fef1ee64357d4383bef69711257f5f80ca6b447