Aug 17 12:44:44.437 INFO checking riscv-0.2.0 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 12:44:44.437 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 12:44:44.437 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 12:44:44.437 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-6/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 12:44:44.617 INFO blam! 70de650baf35dde80f27613fc6bc2df6d69aa7de64dae87ebd644d1e8f4886cc
Aug 17 12:44:44.619 INFO running `"docker" "start" "-a" "70de650baf35dde80f27613fc6bc2df6d69aa7de64dae87ebd644d1e8f4886cc"`
Aug 17 12:44:46.110 INFO kablam!     Checking bare-metal v0.1.2
Aug 17 12:44:46.278 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 17 12:44:46.279 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.1.2/src/lib.rs:5:53
Aug 17 12:44:46.279 INFO kablam!   |
Aug 17 12:44:46.279 INFO kablam! 5 | #![cfg_attr(feature = "const-fn", feature(const_fn, const_unsafe_cell_new))]
Aug 17 12:44:46.279 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 17 12:44:46.279 INFO kablam! 
Aug 17 12:44:46.280 INFO kablam! error: aborting due to previous error
Aug 17 12:44:46.280 INFO kablam! 
Aug 17 12:44:46.280 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 17 12:44:46.287 INFO kablam! error: Could not compile `bare-metal`.
Aug 17 12:44:46.288 INFO kablam! 
Aug 17 12:44:46.288 INFO kablam! To learn more, run the command again with --verbose.
Aug 17 12:44:46.293 INFO kablam! su: No module specific data is present
Aug 17 12:44:47.056 INFO running `"docker" "rm" "-f" "70de650baf35dde80f27613fc6bc2df6d69aa7de64dae87ebd644d1e8f4886cc"`
Aug 17 12:44:47.187 INFO blam! 70de650baf35dde80f27613fc6bc2df6d69aa7de64dae87ebd644d1e8f4886cc