Dec 03 14:50:18.792 INFO testing crypto-currency-0.0.2 against 1.30.1 for beta-1.31-5
Dec 03 14:50:18.792 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 14:50:19.111 INFO [stdout] 363106c816126b20d5cc78d57bc2354d49277083a427a3b671ab1cd740d7c79b
Dec 03 14:50:19.113 INFO running `"docker" "start" "-a" "363106c816126b20d5cc78d57bc2354d49277083a427a3b671ab1cd740d7c79b"`
Dec 03 14:50:19.490 INFO [stderr] usermod: no changes
Dec 03 14:50:19.533 INFO [stderr]    Compiling crypto-currency v0.0.2 (/source)
Dec 03 14:50:21.319 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 14:50:21.319 INFO [stderr]  --> src/lib.rs:3:1
Dec 03 14:50:21.319 INFO [stderr]   |
Dec 03 14:50:21.319 INFO [stderr] 3 | #![feature(try_from)]
Dec 03 14:50:21.319 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 03 14:50:21.319 INFO [stderr] 
Dec 03 14:50:21.345 INFO [stderr] error: aborting due to previous error
Dec 03 14:50:21.346 INFO [stderr] 
Dec 03 14:50:21.346 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 14:50:21.357 INFO [stderr] error: Could not compile `crypto-currency`.
Dec 03 14:50:21.357 INFO [stderr] 
Dec 03 14:50:21.357 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 14:50:21.358 INFO [stderr] su: No module specific data is present
Dec 03 14:50:21.696 INFO running `"docker" "inspect" "363106c816126b20d5cc78d57bc2354d49277083a427a3b671ab1cd740d7c79b"`
Dec 03 14:50:21.802 INFO running `"docker" "rm" "-f" "363106c816126b20d5cc78d57bc2354d49277083a427a3b671ab1cd740d7c79b"`
Dec 03 14:50:21.917 INFO [stdout] 363106c816126b20d5cc78d57bc2354d49277083a427a3b671ab1cd740d7c79b