Dec 03 03:13:36.489 INFO testing levenshtein_automata-0.1.1 against 1.30.1 for beta-1.31-5
Dec 03 03:13:36.489 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 03:13:36.824 INFO [stdout] 929b5f4dfa08afc55325f18fd91f3c37e01f0c0e543932359eff9c986945ddb6
Dec 03 03:13:36.826 INFO running `"docker" "start" "-a" "929b5f4dfa08afc55325f18fd91f3c37e01f0c0e543932359eff9c986945ddb6"`
Dec 03 03:13:38.307 INFO [stderr] usermod: no changes
Dec 03 03:13:38.399 INFO [stderr]    Compiling levenshtein_automata v0.1.1 (/source)
Dec 03 03:13:40.875 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.53s
Dec 03 03:13:40.875 INFO [stderr] su: No module specific data is present
Dec 03 03:13:41.848 INFO running `"docker" "inspect" "929b5f4dfa08afc55325f18fd91f3c37e01f0c0e543932359eff9c986945ddb6"`
Dec 03 03:13:42.177 INFO running `"docker" "rm" "-f" "929b5f4dfa08afc55325f18fd91f3c37e01f0c0e543932359eff9c986945ddb6"`
Dec 03 03:13:42.407 INFO [stdout] 929b5f4dfa08afc55325f18fd91f3c37e01f0c0e543932359eff9c986945ddb6
Dec 03 03:13:42.409 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 test --frozen --no-run" "-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 03:13:42.863 INFO [stdout] 6ffb0e0e8c8079843ae02675b1b30a8fb0fb8610e4ea07c466523af4219877d5
Dec 03 03:13:42.867 INFO running `"docker" "start" "-a" "6ffb0e0e8c8079843ae02675b1b30a8fb0fb8610e4ea07c466523af4219877d5"`
Dec 03 03:13:44.302 INFO [stderr] usermod: no changes
Dec 03 03:13:44.355 INFO [stderr]    Compiling levenshtein v1.0.3
Dec 03 03:13:45.527 INFO [stderr]    Compiling levenshtein_automata v0.1.1 (/source)
Dec 03 03:13:46.463 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 03:13:46.463 INFO [stderr]   --> src/lib.rs:35:19
Dec 03 03:13:46.463 INFO [stderr]    |
Dec 03 03:13:46.463 INFO [stderr] 35 | #![cfg_attr(test, feature(test))]
Dec 03 03:13:46.463 INFO [stderr]    |                   ^^^^^^^^^^^^^^
Dec 03 03:13:46.463 INFO [stderr] 
Dec 03 03:13:46.467 INFO [stderr] error: aborting due to previous error
Dec 03 03:13:46.467 INFO [stderr] 
Dec 03 03:13:46.467 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 03:13:46.470 INFO [stderr] error: Could not compile `levenshtein_automata`.
Dec 03 03:13:46.470 INFO [stderr] 
Dec 03 03:13:46.470 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 03:13:46.470 INFO [stderr] su: No module specific data is present
Dec 03 03:13:47.079 INFO running `"docker" "inspect" "6ffb0e0e8c8079843ae02675b1b30a8fb0fb8610e4ea07c466523af4219877d5"`
Dec 03 03:13:47.443 INFO running `"docker" "rm" "-f" "6ffb0e0e8c8079843ae02675b1b30a8fb0fb8610e4ea07c466523af4219877d5"`
Dec 03 03:13:47.689 INFO [stdout] 6ffb0e0e8c8079843ae02675b1b30a8fb0fb8610e4ea07c466523af4219877d5