Dec 03 14:43:16.336 INFO testing cucumber_rust-0.5.0 against 1.30.1 for beta-1.31-5
Dec 03 14:43:16.336 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 14:43:16.742 INFO [stdout] 5c73313ee342041903ff560ba2757c4479eda0000d25666ec247d9cd5bc575c3
Dec 03 14:43:16.748 INFO running `"docker" "start" "-a" "5c73313ee342041903ff560ba2757c4479eda0000d25666ec247d9cd5bc575c3"`
Dec 03 14:43:18.067 INFO [stderr] usermod: no changes
Dec 03 14:43:18.298 INFO [stderr]    Compiling clap v2.32.0
Dec 03 14:43:18.299 INFO [stderr]    Compiling gherkin_rust v0.4.1
Dec 03 14:43:18.308 INFO [stderr]    Compiling ignore v0.4.4
Dec 03 14:43:31.343 INFO [stderr]    Compiling globwalk v0.5.0
Dec 03 14:43:40.615 INFO [stderr]    Compiling cucumber_rust v0.5.0 (/source)
Dec 03 14:43:44.999 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 14:43:44.999 INFO [stderr]  --> src/lib.rs:9:34
Dec 03 14:43:44.999 INFO [stderr]   |
Dec 03 14:43:44.999 INFO [stderr] 9 | #![cfg_attr(feature = "nightly", feature(set_stdio))]
Dec 03 14:43:44.999 INFO [stderr]   |                                  ^^^^^^^^^^^^^^^^^^^
Dec 03 14:43:44.999 INFO [stderr] 
Dec 03 14:43:45.001 INFO [stderr] error: aborting due to previous error
Dec 03 14:43:45.001 INFO [stderr] 
Dec 03 14:43:45.001 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 14:43:45.013 INFO [stderr] error: Could not compile `cucumber_rust`.
Dec 03 14:43:45.013 INFO [stderr] 
Dec 03 14:43:45.013 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 14:43:45.015 INFO [stderr] su: No module specific data is present
Dec 03 14:43:45.730 INFO running `"docker" "inspect" "5c73313ee342041903ff560ba2757c4479eda0000d25666ec247d9cd5bc575c3"`
Dec 03 14:43:45.944 INFO running `"docker" "rm" "-f" "5c73313ee342041903ff560ba2757c4479eda0000d25666ec247d9cd5bc575c3"`
Dec 03 14:43:46.243 INFO [stdout] 5c73313ee342041903ff560ba2757c4479eda0000d25666ec247d9cd5bc575c3