Dec 03 11:50:08.828 INFO testing flattiverse_connector-36.0.2 against 1.30.1 for beta-1.31-5
Dec 03 11:50:08.828 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/1.30.1:/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 +1.30.1 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 11:50:09.025 INFO [stdout] c3198d0044a8a32d6b4ceae8880a2809583622364409abb4ba2677c9dd719c5c
Dec 03 11:50:09.027 INFO running `"docker" "start" "-a" "c3198d0044a8a32d6b4ceae8880a2809583622364409abb4ba2677c9dd719c5c"`
Dec 03 11:50:09.551 INFO [stderr] usermod: no changes
Dec 03 11:50:09.648 INFO [stderr]    Compiling sha2 v0.6.0
Dec 03 11:50:10.259 INFO [stderr]    Compiling flattiverse_connector v36.0.2 (/source)
Dec 03 11:50:12.519 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 11:50:12.519 INFO [stderr]  --> src/lib.rs:1:1
Dec 03 11:50:12.519 INFO [stderr]   |
Dec 03 11:50:12.519 INFO [stderr] 1 | #![feature(const_fn)]
Dec 03 11:50:12.519 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 03 11:50:12.519 INFO [stderr] 
Dec 03 11:50:12.545 INFO [stderr] error: aborting due to previous error
Dec 03 11:50:12.545 INFO [stderr] 
Dec 03 11:50:12.545 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 11:50:12.555 INFO [stderr] error: Could not compile `flattiverse_connector`.
Dec 03 11:50:12.555 INFO [stderr] 
Dec 03 11:50:12.555 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 11:50:12.556 INFO [stderr] su: No module specific data is present
Dec 03 11:50:12.879 INFO running `"docker" "inspect" "c3198d0044a8a32d6b4ceae8880a2809583622364409abb4ba2677c9dd719c5c"`
Dec 03 11:50:12.954 INFO running `"docker" "rm" "-f" "c3198d0044a8a32d6b4ceae8880a2809583622364409abb4ba2677c9dd719c5c"`
Dec 03 11:50:13.081 INFO [stdout] c3198d0044a8a32d6b4ceae8880a2809583622364409abb4ba2677c9dd719c5c