Dec 02 21:39:33.384 INFO testing pumpkinscript-0.2.0 against 1.30.1 for beta-1.31-5
Dec 02 21:39:33.384 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 21:39:33.811 INFO [stdout] ffa188765e7e7e89def086824a222ce38c4d35e9e8f58be9fbed932745137639
Dec 02 21:39:33.813 INFO running `"docker" "start" "-a" "ffa188765e7e7e89def086824a222ce38c4d35e9e8f58be9fbed932745137639"`
Dec 02 21:39:34.850 INFO [stderr] usermod: no changes
Dec 02 21:39:34.975 INFO [stderr]    Compiling num-bigint v0.1.44
Dec 02 21:39:38.311 INFO [stderr]    Compiling pumpkinscript v0.2.0 (/source)
Dec 02 21:39:39.843 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 21:39:39.843 INFO [stderr]   --> src/lib.rs:61:1
Dec 02 21:39:39.843 INFO [stderr]    |
Dec 02 21:39:39.843 INFO [stderr] 61 | #![feature(try_from)]
Dec 02 21:39:39.843 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 02 21:39:39.843 INFO [stderr] 
Dec 02 21:39:39.848 INFO [stderr] error: aborting due to previous error
Dec 02 21:39:39.848 INFO [stderr] 
Dec 02 21:39:39.848 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 21:39:39.853 INFO [stderr] error: Could not compile `pumpkinscript`.
Dec 02 21:39:39.854 INFO [stderr] 
Dec 02 21:39:39.854 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 21:39:39.854 INFO [stderr] su: No module specific data is present
Dec 02 21:39:40.373 INFO running `"docker" "inspect" "ffa188765e7e7e89def086824a222ce38c4d35e9e8f58be9fbed932745137639"`
Dec 02 21:39:40.748 INFO running `"docker" "rm" "-f" "ffa188765e7e7e89def086824a222ce38c4d35e9e8f58be9fbed932745137639"`
Dec 02 21:39:41.047 INFO [stdout] ffa188765e7e7e89def086824a222ce38c4d35e9e8f58be9fbed932745137639