Nov 25 18:25:28.250 INFO testing cauebs/mtproto against 1.30.1 for beta-1.31-4
Nov 25 18:25:28.251 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-4/worker-0/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 18:25:28.703 INFO [stdout] 568cbab21f2c3013c19cc43c921dacb1eaac165c82c40628c2bb4d64bf6b9db6
Nov 25 18:25:28.710 INFO running `"docker" "start" "-a" "568cbab21f2c3013c19cc43c921dacb1eaac165c82c40628c2bb4d64bf6b9db6"`
Nov 25 18:25:30.056 INFO [stderr] usermod: no changes
Nov 25 18:25:30.137 INFO [stderr]    Compiling byteorder v1.2.7
Nov 25 18:25:31.436 INFO [stderr]    Compiling bincode v1.0.1
Nov 25 18:25:33.075 INFO [stderr]    Compiling mtproto v0.1.0 (/source)
Nov 25 18:25:33.096 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Nov 25 18:25:33.097 INFO [stderr] 
Nov 25 18:25:33.101 INFO [stderr] error: Could not compile `mtproto`.
Nov 25 18:25:33.101 INFO [stderr] 
Nov 25 18:25:33.101 INFO [stderr] To learn more, run the command again with --verbose.
Nov 25 18:25:33.108 INFO [stderr] su: No module specific data is present
Nov 25 18:25:34.380 INFO running `"docker" "inspect" "568cbab21f2c3013c19cc43c921dacb1eaac165c82c40628c2bb4d64bf6b9db6"`
Nov 25 18:25:34.762 INFO running `"docker" "rm" "-f" "568cbab21f2c3013c19cc43c921dacb1eaac165c82c40628c2bb4d64bf6b9db6"`
Nov 25 18:25:35.085 INFO [stdout] 568cbab21f2c3013c19cc43c921dacb1eaac165c82c40628c2bb4d64bf6b9db6