Dec 02 06:14:51.768 INFO testing Kerp1/Advent-of-Code-2016 against 1.30.1 for beta-1.31-5
Dec 02 06:14:51.768 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 02 06:14:52.348 INFO [stdout] 47294d474f20729b8d0668e9611527a9aa28efd71c66c3c61be42aafca947bb8
Dec 02 06:14:52.357 INFO running `"docker" "start" "-a" "47294d474f20729b8d0668e9611527a9aa28efd71c66c3c61be42aafca947bb8"`
Dec 02 06:14:53.647 INFO [stderr] usermod: no changes
Dec 02 06:14:53.750 INFO [stderr]    Compiling rust-crypto v0.2.36
Dec 02 06:15:02.431 INFO [stderr]    Compiling advent_of_code v0.1.0 (/source)
Dec 02 06:15:03.554 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 06:15:03.554 INFO [stderr]  --> src/main.rs:1:1
Dec 02 06:15:03.554 INFO [stderr]   |
Dec 02 06:15:03.554 INFO [stderr] 1 | #![feature(unboxed_closures)]
Dec 02 06:15:03.554 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 06:15:03.554 INFO [stderr] 
Dec 02 06:15:03.554 INFO [stderr] error: aborting due to previous error
Dec 02 06:15:03.554 INFO [stderr] 
Dec 02 06:15:03.554 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 06:15:03.559 INFO [stderr] error: Could not compile `advent_of_code`.
Dec 02 06:15:03.559 INFO [stderr] 
Dec 02 06:15:03.559 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 06:15:03.561 INFO [stderr] su: No module specific data is present
Dec 02 06:15:04.156 INFO running `"docker" "inspect" "47294d474f20729b8d0668e9611527a9aa28efd71c66c3c61be42aafca947bb8"`
Dec 02 06:15:04.377 INFO running `"docker" "rm" "-f" "47294d474f20729b8d0668e9611527a9aa28efd71c66c3c61be42aafca947bb8"`
Dec 02 06:15:04.643 INFO [stdout] 47294d474f20729b8d0668e9611527a9aa28efd71c66c3c61be42aafca947bb8