Dec 03 02:30:53.269 INFO testing lpc177x_8x-hal-0.4.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 02:30:53.269 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 02:30:53.565 INFO [stdout] 21c2cf6bf03171326c7d287cfe462d8f46adf9885d8259c63ad303cfd74b573f
Dec 03 02:30:53.568 INFO running `"docker" "start" "-a" "21c2cf6bf03171326c7d287cfe462d8f46adf9885d8259c63ad303cfd74b573f"`
Dec 03 02:30:54.221 INFO [stderr] usermod: no changes
Dec 03 02:30:54.325 INFO [stderr]    Compiling lpc177x_8x v0.13.5
Dec 03 02:31:01.772 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 02:31:01.772 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/lpc177x_8x-0.13.5/src/lib.rs:6:1
Dec 03 02:31:01.772 INFO [stderr]   |
Dec 03 02:31:01.772 INFO [stderr] 6 | #![feature(untagged_unions)]
Dec 03 02:31:01.772 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 02:31:01.772 INFO [stderr] 
Dec 03 02:31:02.247 INFO [stderr] error: aborting due to previous error
Dec 03 02:31:02.247 INFO [stderr] 
Dec 03 02:31:02.247 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 02:31:02.269 INFO [stderr] error: Could not compile `lpc177x_8x`.
Dec 03 02:31:02.269 INFO [stderr] 
Dec 03 02:31:02.269 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 02:31:02.271 INFO [stderr] su: No module specific data is present
Dec 03 02:31:02.636 INFO running `"docker" "inspect" "21c2cf6bf03171326c7d287cfe462d8f46adf9885d8259c63ad303cfd74b573f"`
Dec 03 02:31:02.751 INFO running `"docker" "rm" "-f" "21c2cf6bf03171326c7d287cfe462d8f46adf9885d8259c63ad303cfd74b573f"`
Dec 03 02:31:02.872 INFO [stdout] 21c2cf6bf03171326c7d287cfe462d8f46adf9885d8259c63ad303cfd74b573f