Dec 01 03:09:28.720 INFO testing scturtle/100days against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 01 03:09:28.720 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 01 03:09:29.257 INFO [stdout] 04c0257c25684640d1960029bd77fa4afda093794563b62c52d7b65df8eb53ed
Dec 01 03:09:29.258 INFO running `"docker" "start" "-a" "04c0257c25684640d1960029bd77fa4afda093794563b62c52d7b65df8eb53ed"`
Dec 01 03:09:30.027 INFO [stderr] usermod: no changes
Dec 01 03:09:30.063 INFO [stderr]    Compiling l00days v0.1.0 (/source)
Dec 01 03:09:30.224 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 01 03:09:30.224 INFO [stderr]  --> src/l00days.rs:1:1
Dec 01 03:09:30.224 INFO [stderr]   |
Dec 01 03:09:30.224 INFO [stderr] 1 | #![feature(iterator_step_by)]
Dec 01 03:09:30.224 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 03:09:30.224 INFO [stderr] 
Dec 01 03:09:30.224 INFO [stderr] error: aborting due to previous error
Dec 01 03:09:30.224 INFO [stderr] 
Dec 01 03:09:30.224 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 03:09:30.226 INFO [stderr] error: Could not compile `l00days`.
Dec 01 03:09:30.227 INFO [stderr] 
Dec 01 03:09:30.227 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 03:09:30.229 INFO [stderr] su: No module specific data is present
Dec 01 03:09:30.541 INFO running `"docker" "inspect" "04c0257c25684640d1960029bd77fa4afda093794563b62c52d7b65df8eb53ed"`
Dec 01 03:09:30.636 INFO running `"docker" "rm" "-f" "04c0257c25684640d1960029bd77fa4afda093794563b62c52d7b65df8eb53ed"`
Dec 01 03:09:30.804 INFO [stdout] 04c0257c25684640d1960029bd77fa4afda093794563b62c52d7b65df8eb53ed
