Dec 03 20:01:29.976 INFO testing adc-mcp3008-0.1.1 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 20:01:29.976 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 20:01:30.325 INFO [stdout] 49043e3d36c24202545789ddf41104f79fbc807e60899fa95480dd1642b76ad6
Dec 03 20:01:30.327 INFO running `"docker" "start" "-a" "49043e3d36c24202545789ddf41104f79fbc807e60899fa95480dd1642b76ad6"`
Dec 03 20:01:30.799 INFO [stderr] usermod: no changes
Dec 03 20:01:30.844 INFO [stderr]    Compiling embedded-hal v0.1.3
Dec 03 20:01:31.018 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 20:01:31.018 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/embedded-hal-0.1.3/src/lib.rs:681:1
Dec 03 20:01:31.018 INFO [stderr]     |
Dec 03 20:01:31.018 INFO [stderr] 681 | #![feature(never_type)]
Dec 03 20:01:31.018 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 20:01:31.018 INFO [stderr] 
Dec 03 20:01:31.019 INFO [stderr] error: aborting due to previous error
Dec 03 20:01:31.019 INFO [stderr] 
Dec 03 20:01:31.019 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 20:01:31.024 INFO [stderr] error: Could not compile `embedded-hal`.
Dec 03 20:01:31.024 INFO [stderr] 
Dec 03 20:01:31.024 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 20:01:31.025 INFO [stderr] su: No module specific data is present
Dec 03 20:01:31.347 INFO running `"docker" "inspect" "49043e3d36c24202545789ddf41104f79fbc807e60899fa95480dd1642b76ad6"`
Dec 03 20:01:31.442 INFO running `"docker" "rm" "-f" "49043e3d36c24202545789ddf41104f79fbc807e60899fa95480dd1642b76ad6"`
Dec 03 20:01:31.575 INFO [stdout] 49043e3d36c24202545789ddf41104f79fbc807e60899fa95480dd1642b76ad6