Dec 03 00:52:12.027 INFO testing narc_hal-0.1.3 against 1.30.1 for beta-1.31-5
Dec 03 00:52:12.027 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 00:52:12.191 INFO [stdout] 81449a3d1e1a8affdc01df4ce2db3667ddbb9c64ba138c444995031e3305af13
Dec 03 00:52:12.193 INFO running `"docker" "start" "-a" "81449a3d1e1a8affdc01df4ce2db3667ddbb9c64ba138c444995031e3305af13"`
Dec 03 00:52:12.823 INFO [stderr] usermod: no changes
Dec 03 00:52:12.915 INFO [stderr]    Compiling cortex-m-semihosting v0.3.2
Dec 03 00:52:12.921 INFO [stderr]    Compiling stm32l0 v0.2.3
Dec 03 00:52:12.927 INFO [stderr]    Compiling cortex-m-rt-macros v0.1.3
Dec 03 00:52:14.537 INFO [stderr]    Compiling panic-semihosting v0.4.0
Dec 03 00:52:14.891 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 00:52:14.891 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.4.0/src/lib.rs:51:1
Dec 03 00:52:14.891 INFO [stderr]    |
Dec 03 00:52:14.891 INFO [stderr] 51 | #![feature(panic_handler)]
Dec 03 00:52:14.891 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 00:52:14.891 INFO [stderr] 
Dec 03 00:52:14.891 INFO [stderr] error: aborting due to previous error
Dec 03 00:52:14.891 INFO [stderr] 
Dec 03 00:52:14.891 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 00:52:14.894 INFO [stderr] error: Could not compile `panic-semihosting`.
Dec 03 00:52:14.894 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 00:52:18.794 INFO [stderr] error: build failed
Dec 03 00:52:18.796 INFO [stderr] su: No module specific data is present
Dec 03 00:52:19.117 INFO running `"docker" "inspect" "81449a3d1e1a8affdc01df4ce2db3667ddbb9c64ba138c444995031e3305af13"`
Dec 03 00:52:19.202 INFO running `"docker" "rm" "-f" "81449a3d1e1a8affdc01df4ce2db3667ddbb9c64ba138c444995031e3305af13"`
Dec 03 00:52:19.292 INFO [stdout] 81449a3d1e1a8affdc01df4ce2db3667ddbb9c64ba138c444995031e3305af13