Dec 03 14:55:05.516 INFO testing cronjob-0.2.15 against 1.30.1 for beta-1.31-5
Dec 03 14:55:05.516 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 14:55:05.722 INFO [stdout] 3885333b8e2848cfafe2ffbe4fe1a618c9cb24077cbb7cc96da52e2b12718967
Dec 03 14:55:05.724 INFO running `"docker" "start" "-a" "3885333b8e2848cfafe2ffbe4fe1a618c9cb24077cbb7cc96da52e2b12718967"`
Dec 03 14:55:06.286 INFO [stderr] usermod: no changes
Dec 03 14:55:06.387 INFO [stderr]    Compiling cron v0.4.1
Dec 03 14:55:07.664 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 14:55:07.664 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/cron-0.4.1/src/lib.rs:3:1
Dec 03 14:55:07.664 INFO [stderr]   |
Dec 03 14:55:07.664 INFO [stderr] 3 | #![feature(collections_range)]
Dec 03 14:55:07.664 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 14:55:07.664 INFO [stderr] 
Dec 03 14:55:07.664 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 14:55:07.664 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/cron-0.4.1/src/lib.rs:4:1
Dec 03 14:55:07.664 INFO [stderr]   |
Dec 03 14:55:07.664 INFO [stderr] 4 | #![feature(iterator_step_by)]
Dec 03 14:55:07.664 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 14:55:07.664 INFO [stderr] 
Dec 03 14:55:07.666 INFO [stderr] error: aborting due to 2 previous errors
Dec 03 14:55:07.666 INFO [stderr] 
Dec 03 14:55:07.666 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 14:55:07.673 INFO [stderr] error: Could not compile `cron`.
Dec 03 14:55:07.673 INFO [stderr] 
Dec 03 14:55:07.673 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 14:55:07.674 INFO [stderr] su: No module specific data is present
Dec 03 14:55:07.934 INFO running `"docker" "inspect" "3885333b8e2848cfafe2ffbe4fe1a618c9cb24077cbb7cc96da52e2b12718967"`
Dec 03 14:55:08.022 INFO running `"docker" "rm" "-f" "3885333b8e2848cfafe2ffbe4fe1a618c9cb24077cbb7cc96da52e2b12718967"`
Dec 03 14:55:08.129 INFO [stdout] 3885333b8e2848cfafe2ffbe4fe1a618c9cb24077cbb7cc96da52e2b12718967