Dec 02 08:05:23.453 INFO testing Ek0n/CrustoPals against 1.30.1 for beta-1.31-5
Dec 02 08:05:23.453 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 02 08:05:23.891 INFO [stdout] e78c798fd9d1475f65449afa9a299aaa89ae1ab0b85b21cdac9968d1afc895f8
Dec 02 08:05:23.896 INFO running `"docker" "start" "-a" "e78c798fd9d1475f65449afa9a299aaa89ae1ab0b85b21cdac9968d1afc895f8"`
Dec 02 08:05:25.275 INFO [stderr] usermod: no changes
Dec 02 08:05:25.347 INFO [stderr]    Compiling base64 v0.8.0
Dec 02 08:05:26.747 INFO [stderr]    Compiling crustopals v0.1.0 (/source)
Dec 02 08:05:27.303 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 08:05:27.303 INFO [stderr]  --> src/lib.rs:1:1
Dec 02 08:05:27.303 INFO [stderr]   |
Dec 02 08:05:27.303 INFO [stderr] 1 | #![feature(entry_and_modify)]
Dec 02 08:05:27.303 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:05:27.303 INFO [stderr] 
Dec 02 08:05:27.303 INFO [stderr] error: aborting due to previous error
Dec 02 08:05:27.303 INFO [stderr] 
Dec 02 08:05:27.303 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 08:05:27.303 INFO [stderr] error: Could not compile `crustopals`.
Dec 02 08:05:27.303 INFO [stderr] 
Dec 02 08:05:27.303 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 08:05:27.306 INFO [stderr] su: No module specific data is present
Dec 02 08:05:28.248 INFO running `"docker" "inspect" "e78c798fd9d1475f65449afa9a299aaa89ae1ab0b85b21cdac9968d1afc895f8"`
Dec 02 08:05:28.450 INFO running `"docker" "rm" "-f" "e78c798fd9d1475f65449afa9a299aaa89ae1ab0b85b21cdac9968d1afc895f8"`
Dec 02 08:05:28.709 INFO [stdout] e78c798fd9d1475f65449afa9a299aaa89ae1ab0b85b21cdac9968d1afc895f8