Dec 02 06:09:11.610 INFO testing Kroc/retronym against 1.30.1 for beta-1.31-5
Dec 02 06:09:11.610 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 06:09:11.787 INFO [stdout] 819eea3135ea6afab4ca9bfb482e0fed2456915404177bebbc1ddf20a46fdfa3
Dec 02 06:09:11.789 INFO running `"docker" "start" "-a" "819eea3135ea6afab4ca9bfb482e0fed2456915404177bebbc1ddf20a46fdfa3"`
Dec 02 06:09:12.221 INFO [stderr] usermod: no changes
Dec 02 06:09:12.290 INFO [stderr]    Compiling pest_meta v2.0.0
Dec 02 06:09:17.611 INFO [stderr]    Compiling pest_generator v2.0.0
Dec 02 06:09:24.579 INFO [stderr]    Compiling pest_derive v2.0.1
Dec 02 06:09:29.386 INFO [stderr]    Compiling retronym v0.0.0 (/source)
Dec 02 06:09:29.415 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Dec 02 06:09:29.415 INFO [stderr] 
Dec 02 06:09:29.415 INFO [stderr] error: Could not compile `retronym`.
Dec 02 06:09:29.415 INFO [stderr] 
Dec 02 06:09:29.415 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 06:09:29.415 INFO [stderr] su: No module specific data is present
Dec 02 06:09:30.155 INFO running `"docker" "inspect" "819eea3135ea6afab4ca9bfb482e0fed2456915404177bebbc1ddf20a46fdfa3"`
Dec 02 06:09:30.377 INFO running `"docker" "rm" "-f" "819eea3135ea6afab4ca9bfb482e0fed2456915404177bebbc1ddf20a46fdfa3"`
Dec 02 06:09:30.627 INFO [stdout] 819eea3135ea6afab4ca9bfb482e0fed2456915404177bebbc1ddf20a46fdfa3
