Nov 25 06:51:27.460 INFO testing matsueushi/pfds-rust against 1.30.1 for beta-1.31-4
Nov 25 06:51:27.460 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-4/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-4/1.30.1:/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"`
Nov 25 06:51:27.875 INFO [stdout] 2c565cdd0ad1182881ea9814a247b60afcce4d6df6f04c9e508154b9076ef256
Nov 25 06:51:27.876 INFO running `"docker" "start" "-a" "2c565cdd0ad1182881ea9814a247b60afcce4d6df6f04c9e508154b9076ef256"`
Nov 25 06:51:28.712 INFO [stderr] usermod: no changes
Nov 25 06:51:28.760 INFO [stderr]    Compiling pfds v0.1.0 (/source)
Nov 25 06:51:28.790 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Nov 25 06:51:28.790 INFO [stderr] 
Nov 25 06:51:28.808 INFO [stderr] error: Could not compile `pfds`.
Nov 25 06:51:28.808 INFO [stderr] 
Nov 25 06:51:28.808 INFO [stderr] To learn more, run the command again with --verbose.
Nov 25 06:51:28.810 INFO [stderr] su: No module specific data is present
Nov 25 06:51:29.228 INFO running `"docker" "inspect" "2c565cdd0ad1182881ea9814a247b60afcce4d6df6f04c9e508154b9076ef256"`
Nov 25 06:51:29.358 INFO running `"docker" "rm" "-f" "2c565cdd0ad1182881ea9814a247b60afcce4d6df6f04c9e508154b9076ef256"`
Nov 25 06:51:29.482 INFO [stdout] 2c565cdd0ad1182881ea9814a247b60afcce4d6df6f04c9e508154b9076ef256