Aug 17 16:04:31.905 INFO checking nrf51-0.4.2 against try#a5d98b025f62ace80fe9d2a15781f900fc42515e for pr-53426
Aug 17 16:04:31.905 INFO running: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 17 16:04:31.905 INFO creating container for: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 17 16:04:31.905 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53426/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-4/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/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 +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 16:04:32.147 INFO blam! d486b5318474b40ba42a512ff4e846bd44c4af99d4fde3f5e6c416148ce7a123
Aug 17 16:04:32.149 INFO running `"docker" "start" "-a" "d486b5318474b40ba42a512ff4e846bd44c4af99d4fde3f5e6c416148ce7a123"`
Aug 17 16:04:33.050 INFO kablam!     Checking bare-metal v0.1.2
Aug 17 16:04:33.285 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 17 16:04:33.285 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.1.2/src/lib.rs:5:53
Aug 17 16:04:33.285 INFO kablam!   |
Aug 17 16:04:33.285 INFO kablam! 5 | #![cfg_attr(feature = "const-fn", feature(const_fn, const_unsafe_cell_new))]
Aug 17 16:04:33.285 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 17 16:04:33.285 INFO kablam! 
Aug 17 16:04:33.287 INFO kablam! error: aborting due to previous error
Aug 17 16:04:33.287 INFO kablam! 
Aug 17 16:04:33.288 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 17 16:04:33.295 INFO kablam! error: Could not compile `bare-metal`.
Aug 17 16:04:33.295 INFO kablam! 
Aug 17 16:04:33.295 INFO kablam! To learn more, run the command again with --verbose.
Aug 17 16:04:33.297 INFO kablam! su: No module specific data is present
Aug 17 16:04:33.796 INFO running `"docker" "rm" "-f" "d486b5318474b40ba42a512ff4e846bd44c4af99d4fde3f5e6c416148ce7a123"`
Aug 17 16:04:33.960 INFO blam! d486b5318474b40ba42a512ff4e846bd44c4af99d4fde3f5e6c416148ce7a123