Dec 02 08:19:56.172 INFO testing DenialAdams/t_test_runner against 1.30.1 for beta-1.31-5
Dec 02 08:19:56.172 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 08:19:56.383 INFO [stdout] f55a5d4fec55f0e8de19185334469dd7f3239b0ee7488c4385efe7fc0f995822
Dec 02 08:19:56.391 INFO running `"docker" "start" "-a" "f55a5d4fec55f0e8de19185334469dd7f3239b0ee7488c4385efe7fc0f995822"`
Dec 02 08:19:56.990 INFO [stderr] usermod: no changes
Dec 02 08:19:57.054 INFO [stderr]    Compiling os_pipe v0.8.0
Dec 02 08:19:58.021 INFO [stderr]    Compiling test_runner v0.3.0 (/source)
Dec 02 08:19:58.039 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Dec 02 08:19:58.039 INFO [stderr] 
Dec 02 08:19:58.042 INFO [stderr] error: Could not compile `test_runner`.
Dec 02 08:19:58.042 INFO [stderr] 
Dec 02 08:19:58.042 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 08:19:58.044 INFO [stderr] su: No module specific data is present
Dec 02 08:19:58.400 INFO running `"docker" "inspect" "f55a5d4fec55f0e8de19185334469dd7f3239b0ee7488c4385efe7fc0f995822"`
Dec 02 08:19:58.484 INFO running `"docker" "rm" "-f" "f55a5d4fec55f0e8de19185334469dd7f3239b0ee7488c4385efe7fc0f995822"`
Dec 02 08:19:58.626 INFO [stdout] f55a5d4fec55f0e8de19185334469dd7f3239b0ee7488c4385efe7fc0f995822
