Dec 03 12:38:14.953 INFO testing eudex-0.1.1 against 1.30.1 for beta-1.31-5
Dec 03 12:38:14.953 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 12:38:15.315 INFO [stdout] 91c2c4a50f3d87acf0b41d71946361e80f9e7a529e33e15f0b9d9df93c589c84
Dec 03 12:38:15.318 INFO running `"docker" "start" "-a" "91c2c4a50f3d87acf0b41d71946361e80f9e7a529e33e15f0b9d9df93c589c84"`
Dec 03 12:38:16.791 INFO [stderr] usermod: no changes
Dec 03 12:38:16.863 INFO [stderr]    Compiling eudex v0.1.1 (/source)
Dec 03 12:38:17.841 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
Dec 03 12:38:17.843 INFO [stderr] su: No module specific data is present
Dec 03 12:38:19.065 INFO running `"docker" "inspect" "91c2c4a50f3d87acf0b41d71946361e80f9e7a529e33e15f0b9d9df93c589c84"`
Dec 03 12:38:19.475 INFO running `"docker" "rm" "-f" "91c2c4a50f3d87acf0b41d71946361e80f9e7a529e33e15f0b9d9df93c589c84"`
Dec 03 12:38:19.783 INFO [stdout] 91c2c4a50f3d87acf0b41d71946361e80f9e7a529e33e15f0b9d9df93c589c84
Dec 03 12:38:19.791 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 test --frozen --no-run" "-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 12:38:20.268 INFO [stdout] 6157de2420caaa157b42e06304945639146136f22ed31b40a9c9b0e6d8d07fe0
Dec 03 12:38:20.270 INFO running `"docker" "start" "-a" "6157de2420caaa157b42e06304945639146136f22ed31b40a9c9b0e6d8d07fe0"`
Dec 03 12:38:21.867 INFO [stderr] usermod: no changes
Dec 03 12:38:21.983 INFO [stderr]    Compiling eudex v0.1.1 (/source)
Dec 03 12:38:23.087 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 12:38:23.087 INFO [stderr]  --> src/lib.rs:6:19
Dec 03 12:38:23.087 INFO [stderr]   |
Dec 03 12:38:23.087 INFO [stderr] 6 | #![cfg_attr(test, feature(test))]
Dec 03 12:38:23.087 INFO [stderr]   |                   ^^^^^^^^^^^^^^
Dec 03 12:38:23.087 INFO [stderr] 
Dec 03 12:38:23.087 INFO [stderr] error: aborting due to previous error
Dec 03 12:38:23.087 INFO [stderr] 
Dec 03 12:38:23.087 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 12:38:23.095 INFO [stderr] error: Could not compile `eudex`.
Dec 03 12:38:23.095 INFO [stderr] 
Dec 03 12:38:23.095 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 12:38:23.095 INFO [stderr] su: No module specific data is present
Dec 03 12:38:24.091 INFO running `"docker" "inspect" "6157de2420caaa157b42e06304945639146136f22ed31b40a9c9b0e6d8d07fe0"`
Dec 03 12:38:24.419 INFO running `"docker" "rm" "-f" "6157de2420caaa157b42e06304945639146136f22ed31b40a9c9b0e6d8d07fe0"`
Dec 03 12:38:24.703 INFO [stdout] 6157de2420caaa157b42e06304945639146136f22ed31b40a9c9b0e6d8d07fe0