Dec 02 05:44:37.547 INFO testing Lytigas/rio-thread-bench against 1.30.1 for beta-1.31-5
Dec 02 05:44:37.547 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 05:44:37.764 INFO [stdout] b8febadd24018be0b5037dfa5f0a555c8ac674505e5996f853851f8734388336
Dec 02 05:44:37.768 INFO running `"docker" "start" "-a" "b8febadd24018be0b5037dfa5f0a555c8ac674505e5996f853851f8734388336"`
Dec 02 05:44:38.158 INFO [stderr] usermod: no changes
Dec 02 05:44:38.255 INFO [stderr]    Compiling parking_lot_core v0.2.14
Dec 02 05:44:38.255 INFO [stderr]    Compiling crossbeam-deque v0.5.2
Dec 02 05:44:39.522 INFO [stderr]    Compiling crossbeam v0.4.1
Dec 02 05:44:40.034 INFO [stderr]    Compiling bus v2.0.0
Dec 02 05:44:41.411 INFO [stderr]    Compiling rust-pub-sub v0.1.0 (/source)
Dec 02 05:44:41.439 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Dec 02 05:44:41.439 INFO [stderr] 
Dec 02 05:44:41.442 INFO [stderr] error: Could not compile `rust-pub-sub`.
Dec 02 05:44:41.442 INFO [stderr] 
Dec 02 05:44:41.442 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 05:44:41.443 INFO [stderr] su: No module specific data is present
Dec 02 05:44:42.239 INFO running `"docker" "inspect" "b8febadd24018be0b5037dfa5f0a555c8ac674505e5996f853851f8734388336"`
Dec 02 05:44:42.428 INFO running `"docker" "rm" "-f" "b8febadd24018be0b5037dfa5f0a555c8ac674505e5996f853851f8734388336"`
Dec 02 05:44:42.675 INFO [stdout] b8febadd24018be0b5037dfa5f0a555c8ac674505e5996f853851f8734388336