Dec 03 16:05:47.840 INFO testing cipher-0.1.1 against 1.30.1 for beta-1.31-5
Dec 03 16:05:47.840 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 16:05:48.295 INFO [stdout] 99eb1c8c6d22b7a6a43466794b5be9dc608c6dec730aa67d13c5a019beedaabe
Dec 03 16:05:48.297 INFO running `"docker" "start" "-a" "99eb1c8c6d22b7a6a43466794b5be9dc608c6dec730aa67d13c5a019beedaabe"`
Dec 03 16:05:49.883 INFO [stderr] usermod: no changes
Dec 03 16:05:49.955 INFO [stderr]    Compiling cipher v0.1.1 (/source)
Dec 03 16:05:50.763 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 16:05:50.763 INFO [stderr]  --> src/lib.rs:1:1
Dec 03 16:05:50.763 INFO [stderr]   |
Dec 03 16:05:50.763 INFO [stderr] 1 | #![feature(split_off)]
Dec 03 16:05:50.763 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 03 16:05:50.763 INFO [stderr] 
Dec 03 16:05:50.763 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 16:05:50.763 INFO [stderr]  --> src/lib.rs:2:1
Dec 03 16:05:50.763 INFO [stderr]   |
Dec 03 16:05:50.763 INFO [stderr] 2 | #![feature(append)]
Dec 03 16:05:50.763 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 03 16:05:50.763 INFO [stderr] 
Dec 03 16:05:50.771 INFO [stderr] error: aborting due to 2 previous errors
Dec 03 16:05:50.771 INFO [stderr] 
Dec 03 16:05:50.771 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 16:05:50.771 INFO [stderr] error: Could not compile `cipher`.
Dec 03 16:05:50.771 INFO [stderr] 
Dec 03 16:05:50.771 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 16:05:50.779 INFO [stderr] su: No module specific data is present
Dec 03 16:05:51.716 INFO running `"docker" "inspect" "99eb1c8c6d22b7a6a43466794b5be9dc608c6dec730aa67d13c5a019beedaabe"`
Dec 03 16:05:51.961 INFO running `"docker" "rm" "-f" "99eb1c8c6d22b7a6a43466794b5be9dc608c6dec730aa67d13c5a019beedaabe"`
Dec 03 16:05:52.255 INFO [stdout] 99eb1c8c6d22b7a6a43466794b5be9dc608c6dec730aa67d13c5a019beedaabe
