Dec 02 11:50:04.928 INFO testing vessel-0.0.1 against 1.30.1 for beta-1.31-5
Dec 02 11:50:04.928 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 11:50:05.151 INFO [stdout] ca9891cea87a2f1ff2807eac34ac0e53bb1c0b0b611d1c947ba69066a29df422
Dec 02 11:50:05.153 INFO running `"docker" "start" "-a" "ca9891cea87a2f1ff2807eac34ac0e53bb1c0b0b611d1c947ba69066a29df422"`
Dec 02 11:50:05.645 INFO [stderr] usermod: no changes
Dec 02 11:50:05.798 INFO [stderr]    Compiling http v0.1.14
Dec 02 11:50:13.695 INFO [stderr]    Compiling h2 v0.1.13
Dec 02 11:50:21.254 INFO [stderr]    Compiling hyper v0.12.16
Dec 02 11:50:31.659 INFO [stderr]    Compiling vessel v0.0.1 (/source)
Dec 02 11:50:31.683 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Dec 02 11:50:31.683 INFO [stderr] 
Dec 02 11:50:31.701 INFO [stderr] error: Could not compile `vessel`.
Dec 02 11:50:31.701 INFO [stderr] 
Dec 02 11:50:31.701 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 11:50:31.703 INFO [stderr] su: No module specific data is present
Dec 02 11:50:32.476 INFO running `"docker" "inspect" "ca9891cea87a2f1ff2807eac34ac0e53bb1c0b0b611d1c947ba69066a29df422"`
Dec 02 11:50:32.711 INFO running `"docker" "rm" "-f" "ca9891cea87a2f1ff2807eac34ac0e53bb1c0b0b611d1c947ba69066a29df422"`
Dec 02 11:50:33.098 INFO [stdout] ca9891cea87a2f1ff2807eac34ac0e53bb1c0b0b611d1c947ba69066a29df422
