Dec 02 15:16:35.103 INFO testing streaming_algorithms-0.1.0 against 1.30.1 for beta-1.31-5
Dec 02 15:16:35.103 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 02 15:16:35.531 INFO [stdout] b1c8fb5bc7ce933273471c38884ac4feb863d743c201b41acfee494473940bf3
Dec 02 15:16:35.536 INFO running `"docker" "start" "-a" "b1c8fb5bc7ce933273471c38884ac4feb863d743c201b41acfee494473940bf3"`
Dec 02 15:16:36.303 INFO [stderr] usermod: no changes
Dec 02 15:16:36.375 INFO [stderr]    Compiling twox-hash v1.1.1
Dec 02 15:16:37.654 INFO [stderr]    Compiling streaming_algorithms v0.1.0 (/source)
Dec 02 15:16:38.691 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 15:16:38.691 INFO [stderr]   --> src/lib.rs:19:1
Dec 02 15:16:38.691 INFO [stderr]    |
Dec 02 15:16:38.691 INFO [stderr] 19 | #![feature(nll, tool_lints, non_modrs_mods)]
Dec 02 15:16:38.691 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 15:16:38.691 INFO [stderr] 
Dec 02 15:16:38.694 INFO [stderr] error: aborting due to previous error
Dec 02 15:16:38.694 INFO [stderr] 
Dec 02 15:16:38.694 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 15:16:38.704 INFO [stderr] error: Could not compile `streaming_algorithms`.
Dec 02 15:16:38.704 INFO [stderr] 
Dec 02 15:16:38.704 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 15:16:38.704 INFO [stderr] su: No module specific data is present
Dec 02 15:16:39.033 INFO running `"docker" "inspect" "b1c8fb5bc7ce933273471c38884ac4feb863d743c201b41acfee494473940bf3"`
Dec 02 15:16:39.183 INFO running `"docker" "rm" "-f" "b1c8fb5bc7ce933273471c38884ac4feb863d743c201b41acfee494473940bf3"`
Dec 02 15:16:39.348 INFO [stdout] b1c8fb5bc7ce933273471c38884ac4feb863d743c201b41acfee494473940bf3