Nov 26 09:45:10.737 INFO testing tm4c123x-hal-0.6.1 against 1.30.1 for beta-1.31-4
Nov 26 09:45:10.737 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-4/worker-7/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-4/1.30.1:/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"`
Nov 26 09:45:10.968 INFO [stdout] 266db30358492139d871f1554a9dacf14d85b374fd20d03ecc07b22aaf2a8d9b
Nov 26 09:45:10.977 INFO running `"docker" "start" "-a" "266db30358492139d871f1554a9dacf14d85b374fd20d03ecc07b22aaf2a8d9b"`
Nov 26 09:45:11.394 INFO [stderr] usermod: no changes
Nov 26 09:45:11.449 INFO [stderr]    Compiling tm4c123x v0.7.0
Nov 26 09:45:11.450 INFO [stderr]    Compiling tm4c123x-hal v0.6.1 (/source)
Nov 26 09:45:11.452 INFO [stderr]    Compiling cortex-m v0.5.8
Nov 26 09:45:11.452 INFO [stderr]    Compiling volatile-register v0.2.0
Nov 26 09:45:11.452 INFO [stderr]    Compiling embedded-hal v0.2.2
Nov 26 09:45:11.460 INFO [stderr]    Compiling bare-metal v0.2.4
Nov 26 09:45:11.492 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Nov 26 09:45:11.492 INFO [stderr] 
Nov 26 09:45:11.493 INFO [stderr] error: Could not compile `tm4c123x-hal`.
Nov 26 09:45:11.493 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 26 09:45:12.517 INFO [stderr] error: build failed
Nov 26 09:45:12.518 INFO [stderr] su: No module specific data is present
Nov 26 09:45:12.919 INFO running `"docker" "inspect" "266db30358492139d871f1554a9dacf14d85b374fd20d03ecc07b22aaf2a8d9b"`
Nov 26 09:45:13.000 INFO running `"docker" "rm" "-f" "266db30358492139d871f1554a9dacf14d85b374fd20d03ecc07b22aaf2a8d9b"`
Nov 26 09:45:13.094 INFO [stdout] 266db30358492139d871f1554a9dacf14d85b374fd20d03ecc07b22aaf2a8d9b