Dec 03 02:02:52.063 INFO testing mcf-config-demo-settings-0.1.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 02:02:52.064 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 02:02:52.203 INFO [stdout] f95db1ba4ca4f6d83f8ba7fa5b7f5823e7cc5be675963f2e690386eaf5a6fc8d
Dec 03 02:02:52.206 INFO running `"docker" "start" "-a" "f95db1ba4ca4f6d83f8ba7fa5b7f5823e7cc5be675963f2e690386eaf5a6fc8d"`
Dec 03 02:02:52.620 INFO [stderr] usermod: no changes
Dec 03 02:02:52.662 INFO [stderr]    Compiling mcf-config-demo-settings v0.1.0 (/source)
Dec 03 02:02:53.264 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 02:02:53.264 INFO [stderr]  --> src/lib.rs:2:1
Dec 03 02:02:53.264 INFO [stderr]   |
Dec 03 02:02:53.264 INFO [stderr] 2 | #![feature(min_const_fn)]
Dec 03 02:02:53.264 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 02:02:53.264 INFO [stderr] 
Dec 03 02:02:53.264 INFO [stderr] error: aborting due to previous error
Dec 03 02:02:53.264 INFO [stderr] 
Dec 03 02:02:53.264 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 02:02:53.269 INFO [stderr] error: Could not compile `mcf-config-demo-settings`.
Dec 03 02:02:53.269 INFO [stderr] 
Dec 03 02:02:53.269 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 02:02:53.271 INFO [stderr] su: No module specific data is present
Dec 03 02:02:53.631 INFO running `"docker" "inspect" "f95db1ba4ca4f6d83f8ba7fa5b7f5823e7cc5be675963f2e690386eaf5a6fc8d"`
Dec 03 02:02:53.803 INFO running `"docker" "rm" "-f" "f95db1ba4ca4f6d83f8ba7fa5b7f5823e7cc5be675963f2e690386eaf5a6fc8d"`
Dec 03 02:02:54.087 INFO [stdout] f95db1ba4ca4f6d83f8ba7fa5b7f5823e7cc5be675963f2e690386eaf5a6fc8d