Dec 03 05:02:08.842 INFO testing image2aa-0.1.3 against 1.30.1 for beta-1.31-5
Dec 03 05:02:08.843 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 05:02:09.432 INFO [stdout] b709adc8410c133834ed1c01409e8ea45ab1edacfca6256e998c671765fbcc00
Dec 03 05:02:09.434 INFO running `"docker" "start" "-a" "b709adc8410c133834ed1c01409e8ea45ab1edacfca6256e998c671765fbcc00"`
Dec 03 05:02:12.110 INFO [stderr] usermod: no changes
Dec 03 05:02:12.319 INFO [stderr]    Compiling string-error v0.1.0
Dec 03 05:02:12.319 INFO [stderr]    Compiling ndarray v0.10.14
Dec 03 05:02:22.542 INFO [stderr]    Compiling image2aa v0.1.3 (/source)
Dec 03 05:02:26.715 INFO [stderr] warning: unused `#[macro_use]` import
Dec 03 05:02:26.715 INFO [stderr]  --> src/lib.rs:2:1
Dec 03 05:02:26.715 INFO [stderr]   |
Dec 03 05:02:26.715 INFO [stderr] 2 | #[macro_use] extern crate ndarray;
Dec 03 05:02:26.715 INFO [stderr]   | ^^^^^^^^^^^^
Dec 03 05:02:26.715 INFO [stderr]   |
Dec 03 05:02:26.715 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 03 05:02:26.715 INFO [stderr] 
Dec 03 05:02:32.633 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 05:02:32.633 INFO [stderr]  --> src/cli.rs:1:1
Dec 03 05:02:32.633 INFO [stderr]   |
Dec 03 05:02:32.633 INFO [stderr] 1 | #![feature(slice_patterns)]
Dec 03 05:02:32.633 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 05:02:32.633 INFO [stderr] 
Dec 03 05:02:32.634 INFO [stderr] error: aborting due to previous error
Dec 03 05:02:32.634 INFO [stderr] 
Dec 03 05:02:32.634 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 05:02:32.645 INFO [stderr] error: Could not compile `image2aa`.
Dec 03 05:02:32.647 INFO [stderr] 
Dec 03 05:02:32.647 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 05:02:32.651 INFO [stderr] su: No module specific data is present
Dec 03 05:02:33.550 INFO running `"docker" "inspect" "b709adc8410c133834ed1c01409e8ea45ab1edacfca6256e998c671765fbcc00"`
Dec 03 05:02:33.957 INFO running `"docker" "rm" "-f" "b709adc8410c133834ed1c01409e8ea45ab1edacfca6256e998c671765fbcc00"`
Dec 03 05:02:34.300 INFO [stdout] b709adc8410c133834ed1c01409e8ea45ab1edacfca6256e998c671765fbcc00