Dec 03 13:27:55.676 INFO testing e310x-0.2.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 13:27:55.676 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 13:27:56.003 INFO [stdout] 9e505511a6ada6e5b11a32fc2cc8ac4da3dca7068afa13ece347a95ad1b4aef4
Dec 03 13:27:56.007 INFO running `"docker" "start" "-a" "9e505511a6ada6e5b11a32fc2cc8ac4da3dca7068afa13ece347a95ad1b4aef4"`
Dec 03 13:27:57.081 INFO [stderr] usermod: no changes
Dec 03 13:27:57.183 INFO [stderr]    Compiling riscv v0.3.0
Dec 03 13:27:57.335 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 13:27:57.335 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/riscv-0.3.0/src/lib.rs:11:1
Dec 03 13:27:57.335 INFO [stderr]    |
Dec 03 13:27:57.335 INFO [stderr] 11 | #![feature(asm)]
Dec 03 13:27:57.335 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 03 13:27:57.335 INFO [stderr] 
Dec 03 13:27:57.335 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 13:27:57.335 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/riscv-0.3.0/src/lib.rs:12:1
Dec 03 13:27:57.335 INFO [stderr]    |
Dec 03 13:27:57.335 INFO [stderr] 12 | #![feature(const_fn)]
Dec 03 13:27:57.335 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 03 13:27:57.335 INFO [stderr] 
Dec 03 13:27:57.352 INFO [stderr] error: aborting due to 2 previous errors
Dec 03 13:27:57.352 INFO [stderr] 
Dec 03 13:27:57.352 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 13:27:57.369 INFO [stderr] error: Could not compile `riscv`.
Dec 03 13:27:57.369 INFO [stderr] 
Dec 03 13:27:57.369 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 13:27:57.371 INFO [stderr] su: No module specific data is present
Dec 03 13:27:58.263 INFO running `"docker" "inspect" "9e505511a6ada6e5b11a32fc2cc8ac4da3dca7068afa13ece347a95ad1b4aef4"`
Dec 03 13:27:58.597 INFO running `"docker" "rm" "-f" "9e505511a6ada6e5b11a32fc2cc8ac4da3dca7068afa13ece347a95ad1b4aef4"`
Dec 03 13:27:58.834 INFO [stdout] 9e505511a6ada6e5b11a32fc2cc8ac4da3dca7068afa13ece347a95ad1b4aef4