Dec 02 08:35:51.696 INFO testing CollinValley/RustOS against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 08:35:51.696 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 02 08:35:52.088 INFO [stdout] 5ac3394c574251dbc1f941ceb2563ae79403af497531a72a913c24e1ca4db9e5
Dec 02 08:35:52.097 INFO running `"docker" "start" "-a" "5ac3394c574251dbc1f941ceb2563ae79403af497531a72a913c24e1ca4db9e5"`
Dec 02 08:35:53.567 INFO [stderr] usermod: no changes
Dec 02 08:35:53.715 INFO [stderr]    Compiling usize_conversions v0.2.0
Dec 02 08:35:53.715 INFO [stderr]    Compiling spin v0.4.9
Dec 02 08:35:53.715 INFO [stderr]    Compiling volatile v0.2.4
Dec 02 08:35:53.731 INFO [stderr]    Compiling bootloader_precompiled v0.2.0
Dec 02 08:35:53.731 INFO [stderr]    Compiling lazy_static v1.1.0
Dec 02 08:35:53.955 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 08:35:53.955 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.9/src/lib.rs:6:35
Dec 02 08:35:53.955 INFO [stderr]   |
Dec 02 08:35:53.955 INFO [stderr] 6 | #![cfg_attr(feature = "const_fn", feature(const_fn))]
Dec 02 08:35:53.955 INFO [stderr]   |                                   ^^^^^^^^^^^^^^^^^
Dec 02 08:35:53.955 INFO [stderr] 
Dec 02 08:35:53.955 INFO [stderr] error: aborting due to previous error
Dec 02 08:35:53.955 INFO [stderr] 
Dec 02 08:35:53.955 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 08:35:53.979 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 08:35:53.979 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/usize_conversions-0.2.0/src/lib.rs:6:1
Dec 02 08:35:53.979 INFO [stderr]   |
Dec 02 08:35:53.979 INFO [stderr] 6 | #![feature(i128_type)]
Dec 02 08:35:53.979 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:35:53.979 INFO [stderr] 
Dec 02 08:35:53.979 INFO [stderr] error: aborting due to previous error
Dec 02 08:35:53.979 INFO [stderr] 
Dec 02 08:35:53.979 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 08:35:53.979 INFO [stderr] error: Could not compile `spin`.
Dec 02 08:35:53.979 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 02 08:35:53.991 INFO [stderr] error: Could not compile `usize_conversions`.
Dec 02 08:35:53.991 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 02 08:35:54.081 INFO [stderr] error: build failed
Dec 02 08:35:54.082 INFO [stderr] su: No module specific data is present
Dec 02 08:35:54.860 INFO running `"docker" "inspect" "5ac3394c574251dbc1f941ceb2563ae79403af497531a72a913c24e1ca4db9e5"`
Dec 02 08:35:55.147 INFO running `"docker" "rm" "-f" "5ac3394c574251dbc1f941ceb2563ae79403af497531a72a913c24e1ca4db9e5"`
Dec 02 08:35:55.543 INFO [stdout] 5ac3394c574251dbc1f941ceb2563ae79403af497531a72a913c24e1ca4db9e5