Dec 02 13:58:48.008 INFO testing timing-shield-0.1.2 against 1.30.1 for beta-1.31-5
Dec 02 13:58:48.009 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 13:58:48.244 INFO [stdout] b7490d545172189b55bae3df24e5155aa4b824884fd1d503b7b12a9dcb3a7806
Dec 02 13:58:48.246 INFO running `"docker" "start" "-a" "b7490d545172189b55bae3df24e5155aa4b824884fd1d503b7b12a9dcb3a7806"`
Dec 02 13:58:48.789 INFO [stderr] usermod: no changes
Dec 02 13:58:48.835 INFO [stderr]    Compiling timing-shield v0.1.2 (/source)
Dec 02 13:58:49.397 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 13:58:49.397 INFO [stderr]   --> src/lib.rs:24:1
Dec 02 13:58:49.397 INFO [stderr]    |
Dec 02 13:58:49.397 INFO [stderr] 24 | #![feature(asm, i128_type, specialization)]
Dec 02 13:58:49.397 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 13:58:49.397 INFO [stderr] 
Dec 02 13:58:49.409 INFO [stderr] error: aborting due to previous error
Dec 02 13:58:49.409 INFO [stderr] 
Dec 02 13:58:49.409 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 13:58:49.417 INFO [stderr] error: Could not compile `timing-shield`.
Dec 02 13:58:49.417 INFO [stderr] 
Dec 02 13:58:49.417 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 13:58:49.419 INFO [stderr] su: No module specific data is present
Dec 02 13:58:49.688 INFO running `"docker" "inspect" "b7490d545172189b55bae3df24e5155aa4b824884fd1d503b7b12a9dcb3a7806"`
Dec 02 13:58:49.795 INFO running `"docker" "rm" "-f" "b7490d545172189b55bae3df24e5155aa4b824884fd1d503b7b12a9dcb3a7806"`
Dec 02 13:58:49.955 INFO [stdout] b7490d545172189b55bae3df24e5155aa4b824884fd1d503b7b12a9dcb3a7806