Dec 02 09:58:39.293 INFO testing 1011X/emily-rust against 1.30.1 for beta-1.31-5
Dec 02 09:58:39.294 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 09:58:39.807 INFO [stdout] 371f21448901ef868776617f0e0b3c12cf207eb5bd8511ec17febbf5f4b4278a
Dec 02 09:58:39.815 INFO running `"docker" "start" "-a" "371f21448901ef868776617f0e0b3c12cf207eb5bd8511ec17febbf5f4b4278a"`
Dec 02 09:58:41.169 INFO [stderr] usermod: no changes
Dec 02 09:58:41.283 INFO [stderr]    Compiling libc v0.2.39
Dec 02 09:58:41.295 INFO [stderr]    Compiling regex-syntax v0.5.0
Dec 02 09:58:44.313 INFO [stderr]    Compiling memchr v2.0.1
Dec 02 09:58:44.313 INFO [stderr]    Compiling memchr v1.0.2
Dec 02 09:58:45.791 INFO [stderr]    Compiling aho-corasick v0.6.4
Dec 02 09:58:50.694 INFO [stderr]    Compiling regex v0.2.7
Dec 02 09:58:56.807 INFO [stderr]    Compiling nom v3.2.1
Dec 02 09:59:00.592 INFO [stderr]    Compiling emily-rust v0.0.1 (/source)
Dec 02 09:59:01.653 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 09:59:01.654 INFO [stderr]  --> src/main.rs:1:1
Dec 02 09:59:01.654 INFO [stderr]   |
Dec 02 09:59:01.654 INFO [stderr] 1 | #![feature(slice_patterns)]
Dec 02 09:59:01.654 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 09:59:01.654 INFO [stderr] 
Dec 02 09:59:01.656 INFO [stderr] error: aborting due to previous error
Dec 02 09:59:01.656 INFO [stderr] 
Dec 02 09:59:01.656 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 09:59:01.662 INFO [stderr] error: Could not compile `emily-rust`.
Dec 02 09:59:01.663 INFO [stderr] 
Dec 02 09:59:01.663 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 09:59:01.663 INFO [stderr] su: No module specific data is present
Dec 02 09:59:02.007 INFO running `"docker" "inspect" "371f21448901ef868776617f0e0b3c12cf207eb5bd8511ec17febbf5f4b4278a"`
Dec 02 09:59:02.126 INFO running `"docker" "rm" "-f" "371f21448901ef868776617f0e0b3c12cf207eb5bd8511ec17febbf5f4b4278a"`
Dec 02 09:59:02.225 INFO [stdout] 371f21448901ef868776617f0e0b3c12cf207eb5bd8511ec17febbf5f4b4278a