Dec 02 06:50:34.102 INFO testing Istar-Eldritch/biot against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 06:50:34.102 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 02 06:50:34.531 INFO [stdout] b7394e071d5ca4fbb5527847664062b5c3a9317aefe875183a6e2b7adb8eb158
Dec 02 06:50:34.533 INFO running `"docker" "start" "-a" "b7394e071d5ca4fbb5527847664062b5c3a9317aefe875183a6e2b7adb8eb158"`
Dec 02 06:50:36.108 INFO [stderr] usermod: no changes
Dec 02 06:50:36.175 INFO [stderr] warning: dependency (clap) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
Dec 02 06:50:36.219 INFO [stderr]    Compiling clap v2.24.1
Dec 02 06:50:55.995 INFO [stderr]    Compiling biot v0.1.0 (/source)
Dec 02 06:50:56.815 INFO [stderr] warning: function is never used: `find_consensus`
Dec 02 06:50:56.815 INFO [stderr]   --> src/biot/motifs.rs:31:1
Dec 02 06:50:56.815 INFO [stderr]    |
Dec 02 06:50:56.815 INFO [stderr] 31 | fn find_consensus(dna: Vec<String>, k: i32) -> Vec<usize> {
Dec 02 06:50:56.815 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 06:50:56.815 INFO [stderr]    |
Dec 02 06:50:56.815 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 02 06:50:56.815 INFO [stderr] 
Dec 02 06:50:58.871 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 06:50:58.871 INFO [stderr]  --> src/main.rs:1:1
Dec 02 06:50:58.871 INFO [stderr]   |
Dec 02 06:50:58.871 INFO [stderr] 1 | #![feature(slice_patterns)]
Dec 02 06:50:58.871 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 06:50:58.871 INFO [stderr] 
Dec 02 06:50:58.871 INFO [stderr] error: aborting due to previous error
Dec 02 06:50:58.871 INFO [stderr] 
Dec 02 06:50:58.871 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 06:50:58.871 INFO [stderr] error: Could not compile `biot`.
Dec 02 06:50:58.872 INFO [stderr] 
Dec 02 06:50:58.872 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 06:50:58.874 INFO [stderr] su: No module specific data is present
Dec 02 06:50:59.693 INFO running `"docker" "inspect" "b7394e071d5ca4fbb5527847664062b5c3a9317aefe875183a6e2b7adb8eb158"`
Dec 02 06:50:59.949 INFO running `"docker" "rm" "-f" "b7394e071d5ca4fbb5527847664062b5c3a9317aefe875183a6e2b7adb8eb158"`
Dec 02 06:51:00.219 INFO [stdout] b7394e071d5ca4fbb5527847664062b5c3a9317aefe875183a6e2b7adb8eb158