Dec 03 03:45:19.518 INFO testing keypad-0.1.4 against 1.30.1 for beta-1.31-5
Dec 03 03:45:19.518 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 03:45:19.762 INFO [stdout] 728883b7f61b4a5fd6eb290890543d167738fc367d5b58509ebb5c9a0455a32d
Dec 03 03:45:19.764 INFO running `"docker" "start" "-a" "728883b7f61b4a5fd6eb290890543d167738fc367d5b58509ebb5c9a0455a32d"`
Dec 03 03:45:20.127 INFO [stderr] usermod: no changes
Dec 03 03:45:20.171 INFO [stderr]    Compiling keypad v0.1.4 (/source)
Dec 03 03:45:20.632 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Dec 03 03:45:20.635 INFO [stderr] su: No module specific data is present
Dec 03 03:45:20.968 INFO running `"docker" "inspect" "728883b7f61b4a5fd6eb290890543d167738fc367d5b58509ebb5c9a0455a32d"`
Dec 03 03:45:21.079 INFO running `"docker" "rm" "-f" "728883b7f61b4a5fd6eb290890543d167738fc367d5b58509ebb5c9a0455a32d"`
Dec 03 03:45:21.267 INFO [stdout] 728883b7f61b4a5fd6eb290890543d167738fc367d5b58509ebb5c9a0455a32d
Dec 03 03:45:21.271 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 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 03:45:21.467 INFO [stdout] c4db6e3dba3e62e70297fc77cf542ada2a1d39a70b46d719f02a3762e5dac5ea
Dec 03 03:45:21.469 INFO running `"docker" "start" "-a" "c4db6e3dba3e62e70297fc77cf542ada2a1d39a70b46d719f02a3762e5dac5ea"`
Dec 03 03:45:22.139 INFO [stderr] usermod: no changes
Dec 03 03:45:22.190 INFO [stderr]    Compiling keypad v0.1.4 (/source)
Dec 03 03:45:23.210 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 03:45:23.210 INFO [stderr]  --> examples/basic.rs:7:1
Dec 03 03:45:23.210 INFO [stderr]   |
Dec 03 03:45:23.210 INFO [stderr] 7 | #![feature(nll)]
Dec 03 03:45:23.210 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 03 03:45:23.210 INFO [stderr] 
Dec 03 03:45:23.210 INFO [stderr] error: aborting due to previous error
Dec 03 03:45:23.210 INFO [stderr] 
Dec 03 03:45:23.210 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 03:45:23.210 INFO [stderr] error: Could not compile `keypad`.
Dec 03 03:45:23.210 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 03:45:23.870 INFO [stderr] error: build failed
Dec 03 03:45:23.870 INFO [stderr] su: No module specific data is present
Dec 03 03:45:24.393 INFO running `"docker" "inspect" "c4db6e3dba3e62e70297fc77cf542ada2a1d39a70b46d719f02a3762e5dac5ea"`
Dec 03 03:45:24.561 INFO running `"docker" "rm" "-f" "c4db6e3dba3e62e70297fc77cf542ada2a1d39a70b46d719f02a3762e5dac5ea"`
Dec 03 03:45:24.789 INFO [stdout] c4db6e3dba3e62e70297fc77cf542ada2a1d39a70b46d719f02a3762e5dac5ea