Dec 03 19:44:21.505 INFO testing alternate-future-0.1.4 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 19:44:21.505 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 19:44:22.112 INFO [stdout] 23019e075493b8748ca5b9b968e0dda04d79ca1ca3b931a4335309cdfc6826b4
Dec 03 19:44:22.114 INFO running `"docker" "start" "-a" "23019e075493b8748ca5b9b968e0dda04d79ca1ca3b931a4335309cdfc6826b4"`
Dec 03 19:44:23.754 INFO [stderr] usermod: no changes
Dec 03 19:44:23.854 INFO [stderr]    Compiling spin v0.3.5
Dec 03 19:44:23.967 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 19:44:23.967 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.3.5/src/lib.rs:6:1
Dec 03 19:44:23.967 INFO [stderr]   |
Dec 03 19:44:23.967 INFO [stderr] 6 | #![feature(const_fn, asm)]
Dec 03 19:44:23.967 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 19:44:23.967 INFO [stderr] 
Dec 03 19:44:23.967 INFO [stderr] error: aborting due to previous error
Dec 03 19:44:23.967 INFO [stderr] 
Dec 03 19:44:23.967 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 19:44:23.972 INFO [stderr] error: Could not compile `spin`.
Dec 03 19:44:23.972 INFO [stderr] 
Dec 03 19:44:23.972 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 19:44:23.972 INFO [stderr] su: No module specific data is present
Dec 03 19:44:24.831 INFO running `"docker" "inspect" "23019e075493b8748ca5b9b968e0dda04d79ca1ca3b931a4335309cdfc6826b4"`
Dec 03 19:44:25.088 INFO running `"docker" "rm" "-f" "23019e075493b8748ca5b9b968e0dda04d79ca1ca3b931a4335309cdfc6826b4"`
Dec 03 19:44:25.318 INFO [stdout] 23019e075493b8748ca5b9b968e0dda04d79ca1ca3b931a4335309cdfc6826b4
