Dec 01 17:01:55.844 INFO testing furuhama/open_data_structures_in_rust against 1.30.1 for beta-1.31-5
Dec 01 17:01:55.845 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 01 17:01:56.372 INFO [stdout] ea70c537ed0c4fb5005db8638c6f193492b5a3ba4b35e28de69c4c205f783ede
Dec 01 17:01:56.376 INFO running `"docker" "start" "-a" "ea70c537ed0c4fb5005db8638c6f193492b5a3ba4b35e28de69c4c205f783ede"`
Dec 01 17:01:57.634 INFO [stderr] usermod: no changes
Dec 01 17:01:57.691 INFO [stderr]    Compiling open_data_structures_in_rust v0.1.0 (/source)
Dec 01 17:01:58.140 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 17:01:58.140 INFO [stderr]  --> src/lib.rs:1:1
Dec 01 17:01:58.141 INFO [stderr]   |
Dec 01 17:01:58.141 INFO [stderr] 1 | #![feature(box_into_raw_non_null)]
Dec 01 17:01:58.141 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 17:01:58.141 INFO [stderr] 
Dec 01 17:01:58.141 INFO [stderr] error: aborting due to previous error
Dec 01 17:01:58.141 INFO [stderr] 
Dec 01 17:01:58.141 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 17:01:58.146 INFO [stderr] error: Could not compile `open_data_structures_in_rust`.
Dec 01 17:01:58.146 INFO [stderr] 
Dec 01 17:01:58.146 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 17:01:58.156 INFO [stderr] su: No module specific data is present
Dec 01 17:01:58.751 INFO running `"docker" "inspect" "ea70c537ed0c4fb5005db8638c6f193492b5a3ba4b35e28de69c4c205f783ede"`
Dec 01 17:01:59.025 INFO running `"docker" "rm" "-f" "ea70c537ed0c4fb5005db8638c6f193492b5a3ba4b35e28de69c4c205f783ede"`
Dec 01 17:01:59.303 INFO [stdout] ea70c537ed0c4fb5005db8638c6f193492b5a3ba4b35e28de69c4c205f783ede
