Dec 01 05:33:19.909 INFO testing quelledanielle/webcam against 1.30.1 for beta-1.31-5
Dec 01 05:33:19.909 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 01 05:33:20.404 INFO [stdout] 2ae35cf6456dc8ba6c9bf155804def1ee281abf7aef2582142eddd5c13b6af8d
Dec 01 05:33:20.415 INFO running `"docker" "start" "-a" "2ae35cf6456dc8ba6c9bf155804def1ee281abf7aef2582142eddd5c13b6af8d"`
Dec 01 05:33:21.503 INFO [stderr] usermod: no changes
Dec 01 05:33:21.567 INFO [stderr]    Compiling webcam v0.1.0 (/source)
Dec 01 05:33:21.880 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 05:33:21.881 INFO [stderr]  --> src/lib.rs:1:1
Dec 01 05:33:21.881 INFO [stderr]   |
Dec 01 05:33:21.881 INFO [stderr] 1 | #![feature(iterator_step_by)]
Dec 01 05:33:21.881 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 05:33:21.882 INFO [stderr] 
Dec 01 05:33:21.882 INFO [stderr] error: aborting due to previous error
Dec 01 05:33:21.882 INFO [stderr] 
Dec 01 05:33:21.882 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 05:33:21.896 INFO [stderr] error: Could not compile `webcam`.
Dec 01 05:33:21.896 INFO [stderr] 
Dec 01 05:33:21.896 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 05:33:21.897 INFO [stderr] su: No module specific data is present
Dec 01 05:33:22.723 INFO running `"docker" "inspect" "2ae35cf6456dc8ba6c9bf155804def1ee281abf7aef2582142eddd5c13b6af8d"`
Dec 01 05:33:22.973 INFO running `"docker" "rm" "-f" "2ae35cf6456dc8ba6c9bf155804def1ee281abf7aef2582142eddd5c13b6af8d"`
Dec 01 05:33:23.222 INFO [stdout] 2ae35cf6456dc8ba6c9bf155804def1ee281abf7aef2582142eddd5c13b6af8d
