Dec 03 01:48:16.714 INFO testing metatype-0.1.1 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5 Dec 03 01:48:16.714 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 01:48:16.994 INFO [stdout] 32170c841a55090da14a8cd4df170848871a4d8aed268e35dab670e1b46cd9de Dec 03 01:48:17.001 INFO running `"docker" "start" "-a" "32170c841a55090da14a8cd4df170848871a4d8aed268e35dab670e1b46cd9de"` Dec 03 01:48:17.615 INFO [stderr] usermod: no changes Dec 03 01:48:17.645 INFO [stderr] Compiling metatype v0.1.1 (/source) Dec 03 01:48:18.197 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel Dec 03 01:48:18.197 INFO [stderr] --> src/lib.rs:33:1 Dec 03 01:48:18.197 INFO [stderr] | Dec 03 01:48:18.197 INFO [stderr] 33 | #![feature(raw, box_syntax, specialization)] Dec 03 01:48:18.197 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 03 01:48:18.197 INFO [stderr] Dec 03 01:48:18.199 INFO [stderr] error: aborting due to previous error Dec 03 01:48:18.199 INFO [stderr] Dec 03 01:48:18.199 INFO [stderr] For more information about this error, try `rustc --explain E0554`. Dec 03 01:48:18.204 INFO [stderr] error: Could not compile `metatype`. Dec 03 01:48:18.204 INFO [stderr] Dec 03 01:48:18.204 INFO [stderr] To learn more, run the command again with --verbose. Dec 03 01:48:18.208 INFO [stderr] su: No module specific data is present Dec 03 01:48:18.532 INFO running `"docker" "inspect" "32170c841a55090da14a8cd4df170848871a4d8aed268e35dab670e1b46cd9de"` Dec 03 01:48:18.773 INFO running `"docker" "rm" "-f" "32170c841a55090da14a8cd4df170848871a4d8aed268e35dab670e1b46cd9de"` Dec 03 01:48:19.151 INFO [stdout] 32170c841a55090da14a8cd4df170848871a4d8aed268e35dab670e1b46cd9de