Dec 02 22:16:14.767 INFO testing polonius-engine-0.5.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 22:16:14.767 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 02 22:16:15.089 INFO [stdout] 1eecee0a2289e3a7108293dc2880ae9c6f5a9d7e464d78df24e2ff8c17714242
Dec 02 22:16:15.091 INFO running `"docker" "start" "-a" "1eecee0a2289e3a7108293dc2880ae9c6f5a9d7e464d78df24e2ff8c17714242"`
Dec 02 22:16:15.579 INFO [stderr] usermod: no changes
Dec 02 22:16:15.699 INFO [stderr]    Compiling datafrog v0.1.0
Dec 02 22:16:16.613 INFO [stderr]    Compiling polonius-engine v0.5.0 (/source)
Dec 02 22:16:17.302 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 22:16:17.302 INFO [stderr]  --> src/lib.rs:1:1
Dec 02 22:16:17.302 INFO [stderr]   |
Dec 02 22:16:17.302 INFO [stderr] 1 | #![feature(crate_in_paths)]
Dec 02 22:16:17.302 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 22:16:17.302 INFO [stderr] 
Dec 02 22:16:17.303 INFO [stderr] error: aborting due to previous error
Dec 02 22:16:17.303 INFO [stderr] 
Dec 02 22:16:17.303 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 22:16:17.311 INFO [stderr] error: Could not compile `polonius-engine`.
Dec 02 22:16:17.311 INFO [stderr] 
Dec 02 22:16:17.311 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 22:16:17.311 INFO [stderr] su: No module specific data is present
Dec 02 22:16:17.850 INFO running `"docker" "inspect" "1eecee0a2289e3a7108293dc2880ae9c6f5a9d7e464d78df24e2ff8c17714242"`
Dec 02 22:16:18.175 INFO running `"docker" "rm" "-f" "1eecee0a2289e3a7108293dc2880ae9c6f5a9d7e464d78df24e2ff8c17714242"`
Dec 02 22:16:18.447 INFO [stdout] 1eecee0a2289e3a7108293dc2880ae9c6f5a9d7e464d78df24e2ff8c17714242