Dec 02 22:13:09.332 INFO testing posix-regex-0.1.0 against 1.30.1 for beta-1.31-5 Dec 02 22:13:09.332 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 22:13:09.506 INFO [stdout] f463c768b1c4dab59323a3ec572c575b5bd57d7671d03e85764c060b9a9d33f7 Dec 02 22:13:09.513 INFO running `"docker" "start" "-a" "f463c768b1c4dab59323a3ec572c575b5bd57d7671d03e85764c060b9a9d33f7"` Dec 02 22:13:09.949 INFO [stderr] usermod: no changes Dec 02 22:13:09.973 INFO [stderr] Compiling posix-regex v0.1.0 (/source) Dec 02 22:13:10.487 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel Dec 02 22:13:10.487 INFO [stderr] --> src/lib.rs:4:1 Dec 02 22:13:10.487 INFO [stderr] | Dec 02 22:13:10.487 INFO [stderr] 4 | #![feature(nll)] Dec 02 22:13:10.487 INFO [stderr] | ^^^^^^^^^^^^^^^^ Dec 02 22:13:10.487 INFO [stderr] Dec 02 22:13:10.487 INFO [stderr] error: aborting due to previous error Dec 02 22:13:10.487 INFO [stderr] Dec 02 22:13:10.487 INFO [stderr] For more information about this error, try `rustc --explain E0554`. Dec 02 22:13:10.493 INFO [stderr] error: Could not compile `posix-regex`. Dec 02 22:13:10.493 INFO [stderr] Dec 02 22:13:10.493 INFO [stderr] To learn more, run the command again with --verbose. Dec 02 22:13:10.493 INFO [stderr] su: No module specific data is present Dec 02 22:13:10.829 INFO running `"docker" "inspect" "f463c768b1c4dab59323a3ec572c575b5bd57d7671d03e85764c060b9a9d33f7"` Dec 02 22:13:11.032 INFO running `"docker" "rm" "-f" "f463c768b1c4dab59323a3ec572c575b5bd57d7671d03e85764c060b9a9d33f7"` Dec 02 22:13:11.188 INFO [stdout] f463c768b1c4dab59323a3ec572c575b5bd57d7671d03e85764c060b9a9d33f7