Dec 03 17:51:55.174 INFO testing bootloader_precompiled-0.3.0 against 1.30.1 for beta-1.31-5
Dec 03 17:51:55.174 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 17:51:55.419 INFO [stdout] c5cf49105cc9696e79148a6a298ec1224fcbb1f6fe0e1a8d152731358007b966
Dec 03 17:51:55.424 INFO running `"docker" "start" "-a" "c5cf49105cc9696e79148a6a298ec1224fcbb1f6fe0e1a8d152731358007b966"`
Dec 03 17:51:55.928 INFO [stderr] usermod: no changes
Dec 03 17:51:55.958 INFO [stderr]    Compiling usize_conversions v0.2.0
Dec 03 17:51:55.958 INFO [stderr]    Compiling ux v0.1.3
Dec 03 17:51:55.958 INFO [stderr]    Compiling os_bootinfo v0.2.1
Dec 03 17:51:56.019 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 17:51:56.019 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/usize_conversions-0.2.0/src/lib.rs:6:1
Dec 03 17:51:56.019 INFO [stderr]   |
Dec 03 17:51:56.019 INFO [stderr] 6 | #![feature(i128_type)]
Dec 03 17:51:56.019 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 03 17:51:56.019 INFO [stderr] 
Dec 03 17:51:56.019 INFO [stderr] error: aborting due to previous error
Dec 03 17:51:56.019 INFO [stderr] 
Dec 03 17:51:56.019 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 17:51:56.019 INFO [stderr] error: Could not compile `usize_conversions`.
Dec 03 17:51:56.019 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 17:52:19.689 INFO [stderr] error: build failed
Dec 03 17:52:19.690 INFO [stderr] su: No module specific data is present
Dec 03 17:52:19.973 INFO running `"docker" "inspect" "c5cf49105cc9696e79148a6a298ec1224fcbb1f6fe0e1a8d152731358007b966"`
Dec 03 17:52:20.069 INFO running `"docker" "rm" "-f" "c5cf49105cc9696e79148a6a298ec1224fcbb1f6fe0e1a8d152731358007b966"`
Dec 03 17:52:20.157 INFO [stdout] c5cf49105cc9696e79148a6a298ec1224fcbb1f6fe0e1a8d152731358007b966