Dec 02 07:03:31.756 INFO testing Hijiao/hello_rust against 1.30.1 for beta-1.31-5
Dec 02 07:03:31.756 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 02 07:03:31.943 INFO [stdout] 325c3814447cf4db9af406cda2df12a02d28909ebd38ac25147e7c58865feafb
Dec 02 07:03:31.947 INFO running `"docker" "start" "-a" "325c3814447cf4db9af406cda2df12a02d28909ebd38ac25147e7c58865feafb"`
Dec 02 07:03:32.475 INFO [stderr] usermod: no changes
Dec 02 07:03:32.500 INFO [stderr]    Compiling hello_world v0.1.0 (/source)
Dec 02 07:03:32.883 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 07:03:32.883 INFO [stderr]  --> src/main.rs:1:1
Dec 02 07:03:32.883 INFO [stderr]   |
Dec 02 07:03:32.883 INFO [stderr] 1 | #![feature(box_into_raw_non_null)]
Dec 02 07:03:32.883 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 07:03:32.883 INFO [stderr] 
Dec 02 07:03:32.883 INFO [stderr] error: aborting due to previous error
Dec 02 07:03:32.884 INFO [stderr] 
Dec 02 07:03:32.884 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 07:03:32.888 INFO [stderr] error: Could not compile `hello_world`.
Dec 02 07:03:32.888 INFO [stderr] 
Dec 02 07:03:32.888 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 07:03:32.889 INFO [stderr] su: No module specific data is present
Dec 02 07:03:33.219 INFO running `"docker" "inspect" "325c3814447cf4db9af406cda2df12a02d28909ebd38ac25147e7c58865feafb"`
Dec 02 07:03:33.409 INFO running `"docker" "rm" "-f" "325c3814447cf4db9af406cda2df12a02d28909ebd38ac25147e7c58865feafb"`
Dec 02 07:03:33.783 INFO [stdout] 325c3814447cf4db9af406cda2df12a02d28909ebd38ac25147e7c58865feafb