Dec 03 03:45:19.240 INFO testing keypad-0.1.4 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 03:45:19.240 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 03:45:19.540 INFO [stdout] 8444ce9509842a04fdf89fc620700abd27e76acf85aa910889f6325d9dbdfb75
Dec 03 03:45:19.544 INFO running `"docker" "start" "-a" "8444ce9509842a04fdf89fc620700abd27e76acf85aa910889f6325d9dbdfb75"`
Dec 03 03:45:19.972 INFO [stderr] usermod: no changes
Dec 03 03:45:20.004 INFO [stderr]    Compiling keypad v0.1.4 (/source)
Dec 03 03:45:20.486 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
Dec 03 03:45:20.488 INFO [stderr] su: No module specific data is present
Dec 03 03:45:20.836 INFO running `"docker" "inspect" "8444ce9509842a04fdf89fc620700abd27e76acf85aa910889f6325d9dbdfb75"`
Dec 03 03:45:20.934 INFO running `"docker" "rm" "-f" "8444ce9509842a04fdf89fc620700abd27e76acf85aa910889f6325d9dbdfb75"`
Dec 03 03:45:21.055 INFO [stdout] 8444ce9509842a04fdf89fc620700abd27e76acf85aa910889f6325d9dbdfb75
Dec 03 03:45:21.061 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen --no-run" "-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 03:45:21.302 INFO [stdout] 49bd485be0a3de7b3c8f6dd03903f9dbcdc739271a63d5c033c61dd3a2c8e1c7
Dec 03 03:45:21.309 INFO running `"docker" "start" "-a" "49bd485be0a3de7b3c8f6dd03903f9dbcdc739271a63d5c033c61dd3a2c8e1c7"`
Dec 03 03:45:21.847 INFO [stderr] usermod: no changes
Dec 03 03:45:21.876 INFO [stderr]    Compiling keypad v0.1.4 (/source)
Dec 03 03:45:22.687 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 03:45:22.687 INFO [stderr]  --> examples/basic.rs:7:1
Dec 03 03:45:22.687 INFO [stderr]   |
Dec 03 03:45:22.687 INFO [stderr] 7 | #![feature(nll)]
Dec 03 03:45:22.687 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 03 03:45:22.687 INFO [stderr] 
Dec 03 03:45:22.690 INFO [stderr] error: aborting due to previous error
Dec 03 03:45:22.690 INFO [stderr] 
Dec 03 03:45:22.690 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 03:45:22.690 INFO [stderr] error: Could not compile `keypad`.
Dec 03 03:45:22.690 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 03:45:23.399 INFO [stderr] error: build failed
Dec 03 03:45:23.406 INFO [stderr] su: No module specific data is present
Dec 03 03:45:23.886 INFO running `"docker" "inspect" "49bd485be0a3de7b3c8f6dd03903f9dbcdc739271a63d5c033c61dd3a2c8e1c7"`
Dec 03 03:45:24.173 INFO running `"docker" "rm" "-f" "49bd485be0a3de7b3c8f6dd03903f9dbcdc739271a63d5c033c61dd3a2c8e1c7"`
Dec 03 03:45:24.350 INFO [stdout] 49bd485be0a3de7b3c8f6dd03903f9dbcdc739271a63d5c033c61dd3a2c8e1c7