Dec 03 03:09:03.006 INFO testing libeither-0.3.0 against 1.30.1 for beta-1.31-5
Dec 03 03:09:03.006 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 03 03:09:03.460 INFO [stdout] f0d5e26d16ab681f54dbfb7dbe78f08643febc1b6a7863f0bbbc11bcc5baeaad
Dec 03 03:09:03.465 INFO running `"docker" "start" "-a" "f0d5e26d16ab681f54dbfb7dbe78f08643febc1b6a7863f0bbbc11bcc5baeaad"`
Dec 03 03:09:04.875 INFO [stderr] usermod: no changes
Dec 03 03:09:05.022 INFO [stderr]    Compiling libeither v0.3.0 (/source)
Dec 03 03:09:05.083 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Dec 03 03:09:05.083 INFO [stderr] 
Dec 03 03:09:05.123 INFO [stderr] error: Could not compile `libeither`.
Dec 03 03:09:05.123 INFO [stderr] 
Dec 03 03:09:05.123 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 03:09:05.123 INFO [stderr] su: No module specific data is present
Dec 03 03:09:06.176 INFO running `"docker" "inspect" "f0d5e26d16ab681f54dbfb7dbe78f08643febc1b6a7863f0bbbc11bcc5baeaad"`
Dec 03 03:09:06.417 INFO running `"docker" "rm" "-f" "f0d5e26d16ab681f54dbfb7dbe78f08643febc1b6a7863f0bbbc11bcc5baeaad"`
Dec 03 03:09:06.699 INFO [stdout] f0d5e26d16ab681f54dbfb7dbe78f08643febc1b6a7863f0bbbc11bcc5baeaad
