Dec 02 02:58:38.575 INFO testing Techno-coder/signal_processing against 1.30.1 for beta-1.31-5
Dec 02 02:58:38.575 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 02:58:38.774 INFO [stdout] 8d9a61f0816d61bbad7f489ae938c5c0345dcd121e5c9e1b4fce657fc25bf55b
Dec 02 02:58:38.780 INFO running `"docker" "start" "-a" "8d9a61f0816d61bbad7f489ae938c5c0345dcd121e5c9e1b4fce657fc25bf55b"`
Dec 02 02:58:39.259 INFO [stderr] usermod: no changes
Dec 02 02:58:39.378 INFO [stderr]    Compiling rustfft v2.1.0
Dec 02 02:58:40.772 INFO [stderr]    Compiling signal_processing v0.1.0 (/source)
Dec 02 02:58:40.789 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Dec 02 02:58:40.789 INFO [stderr] 
Dec 02 02:58:40.794 INFO [stderr] error: Could not compile `signal_processing`.
Dec 02 02:58:40.794 INFO [stderr] 
Dec 02 02:58:40.794 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 02:58:40.794 INFO [stderr] su: No module specific data is present
Dec 02 02:58:41.092 INFO running `"docker" "inspect" "8d9a61f0816d61bbad7f489ae938c5c0345dcd121e5c9e1b4fce657fc25bf55b"`
Dec 02 02:58:41.178 INFO running `"docker" "rm" "-f" "8d9a61f0816d61bbad7f489ae938c5c0345dcd121e5c9e1b4fce657fc25bf55b"`
Dec 02 02:58:41.268 INFO [stdout] 8d9a61f0816d61bbad7f489ae938c5c0345dcd121e5c9e1b4fce657fc25bf55b
