Dec 03 14:50:12.280 INFO testing crypto-market-event-0.0.1 against 1.30.1 for beta-1.31-5
Dec 03 14:50:12.280 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 14:50:12.719 INFO [stdout] d290f66824fef0359e146f2441ac18807cf7cfa95d88c66b788b6d635a296f32
Dec 03 14:50:12.721 INFO running `"docker" "start" "-a" "d290f66824fef0359e146f2441ac18807cf7cfa95d88c66b788b6d635a296f32"`
Dec 03 14:50:13.493 INFO [stderr] usermod: no changes
Dec 03 14:50:13.594 INFO [stderr]    Compiling crypto-util v0.0.2
Dec 03 14:50:13.595 INFO [stderr]    Compiling crypto-currency v0.0.2
Dec 03 14:50:15.948 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 14:50:15.948 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/crypto-currency-0.0.2/src/lib.rs:3:1
Dec 03 14:50:15.948 INFO [stderr]   |
Dec 03 14:50:15.948 INFO [stderr] 3 | #![feature(try_from)]
Dec 03 14:50:15.948 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 03 14:50:15.948 INFO [stderr] 
Dec 03 14:50:15.979 INFO [stderr] error: aborting due to previous error
Dec 03 14:50:15.979 INFO [stderr] 
Dec 03 14:50:15.979 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 14:50:15.990 INFO [stderr] error: Could not compile `crypto-currency`.
Dec 03 14:50:15.991 INFO [stderr] 
Dec 03 14:50:15.991 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 14:50:15.991 INFO [stderr] su: No module specific data is present
Dec 03 14:50:16.345 INFO running `"docker" "inspect" "d290f66824fef0359e146f2441ac18807cf7cfa95d88c66b788b6d635a296f32"`
Dec 03 14:50:16.445 INFO running `"docker" "rm" "-f" "d290f66824fef0359e146f2441ac18807cf7cfa95d88c66b788b6d635a296f32"`
Dec 03 14:50:16.537 INFO [stdout] d290f66824fef0359e146f2441ac18807cf7cfa95d88c66b788b6d635a296f32