Dec 02 20:23:25.898 INFO testing retro-0.1.1 against 1.30.1 for beta-1.31-5
Dec 02 20:23:25.898 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 02 20:23:26.408 INFO [stdout] d06e5db3bd423398d9bfed563b2c31cab97aa6bdda32052ca33233ee66e2be40
Dec 02 20:23:26.410 INFO running `"docker" "start" "-a" "d06e5db3bd423398d9bfed563b2c31cab97aa6bdda32052ca33233ee66e2be40"`
Dec 02 20:23:27.741 INFO [stderr] usermod: no changes
Dec 02 20:23:27.853 INFO [stderr]    Compiling retro v0.1.1 (/source)
Dec 02 20:23:28.980 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 20:23:28.980 INFO [stderr]  --> src/main.rs:5:1
Dec 02 20:23:28.980 INFO [stderr]   |
Dec 02 20:23:28.980 INFO [stderr] 5 | #![feature(type_ascription)]
Dec 02 20:23:28.980 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 20:23:28.980 INFO [stderr] 
Dec 02 20:23:28.980 INFO [stderr] error: aborting due to previous error
Dec 02 20:23:28.980 INFO [stderr] 
Dec 02 20:23:28.980 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 20:23:28.992 INFO [stderr] error: Could not compile `retro`.
Dec 02 20:23:28.992 INFO [stderr] 
Dec 02 20:23:28.992 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 20:23:28.994 INFO [stderr] su: No module specific data is present
Dec 02 20:23:29.678 INFO running `"docker" "inspect" "d06e5db3bd423398d9bfed563b2c31cab97aa6bdda32052ca33233ee66e2be40"`
Dec 02 20:23:30.011 INFO running `"docker" "rm" "-f" "d06e5db3bd423398d9bfed563b2c31cab97aa6bdda32052ca33233ee66e2be40"`
Dec 02 20:23:30.191 INFO [stdout] d06e5db3bd423398d9bfed563b2c31cab97aa6bdda32052ca33233ee66e2be40