Dec 03 19:18:12.197 INFO testing arduino-0.1.0 against 1.30.1 for beta-1.31-5
Dec 03 19:18:12.197 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 19:18:12.423 INFO [stdout] 25b0098f81d1d545012317bb731d4657b942ccfea86d7399e785cde8de1398a6
Dec 03 19:18:12.428 INFO running `"docker" "start" "-a" "25b0098f81d1d545012317bb731d4657b942ccfea86d7399e785cde8de1398a6"`
Dec 03 19:18:12.853 INFO [stderr] usermod: no changes
Dec 03 19:18:12.884 INFO [stderr]    Compiling arduino v0.1.0 (/source)
Dec 03 19:18:12.978 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 19:18:12.978 INFO [stderr]  --> src/lib.rs:3:1
Dec 03 19:18:12.978 INFO [stderr]   |
Dec 03 19:18:12.978 INFO [stderr] 3 | #![feature(asm)]
Dec 03 19:18:12.978 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 03 19:18:12.978 INFO [stderr] 
Dec 03 19:18:12.978 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 19:18:12.978 INFO [stderr]  --> src/lib.rs:4:1
Dec 03 19:18:12.978 INFO [stderr]   |
Dec 03 19:18:12.978 INFO [stderr] 4 | #![feature(no_core)]
Dec 03 19:18:12.978 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Dec 03 19:18:12.978 INFO [stderr] 
Dec 03 19:18:12.978 INFO [stderr] error: aborting due to 2 previous errors
Dec 03 19:18:12.978 INFO [stderr] 
Dec 03 19:18:12.978 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 19:18:12.979 INFO [stderr] error: Could not compile `arduino`.
Dec 03 19:18:12.979 INFO [stderr] 
Dec 03 19:18:12.979 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 19:18:12.979 INFO [stderr] su: No module specific data is present
Dec 03 19:18:13.254 INFO running `"docker" "inspect" "25b0098f81d1d545012317bb731d4657b942ccfea86d7399e785cde8de1398a6"`
Dec 03 19:18:13.361 INFO running `"docker" "rm" "-f" "25b0098f81d1d545012317bb731d4657b942ccfea86d7399e785cde8de1398a6"`
Dec 03 19:18:13.428 INFO [stdout] 25b0098f81d1d545012317bb731d4657b942ccfea86d7399e785cde8de1398a6