Dec 01 11:56:09.580 INFO testing kpp/kkk against 1.30.1 for beta-1.31-5
Dec 01 11:56:09.580 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 01 11:56:10.051 INFO [stdout] 20ca8bf95ed2d6887cb2d3ace50b1378e53f750ca665fffd334d376e869877d7
Dec 01 11:56:10.055 INFO running `"docker" "start" "-a" "20ca8bf95ed2d6887cb2d3ace50b1378e53f750ca665fffd334d376e869877d7"`
Dec 01 11:56:11.995 INFO [stderr] usermod: no changes
Dec 01 11:56:12.063 INFO [stderr]    Compiling kkk v0.4.0 (/source)
Dec 01 11:56:12.483 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 11:56:12.483 INFO [stderr]  --> src/main.rs:1:1
Dec 01 11:56:12.483 INFO [stderr]   |
Dec 01 11:56:12.483 INFO [stderr] 1 | #![feature(non_ascii_idents)]
Dec 01 11:56:12.483 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 11:56:12.483 INFO [stderr] 
Dec 01 11:56:12.483 INFO [stderr] error: aborting due to previous error
Dec 01 11:56:12.483 INFO [stderr] 
Dec 01 11:56:12.483 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 11:56:12.483 INFO [stderr] error: Could not compile `kkk`.
Dec 01 11:56:12.483 INFO [stderr] 
Dec 01 11:56:12.483 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 11:56:12.484 INFO [stderr] su: No module specific data is present
Dec 01 11:56:13.623 INFO running `"docker" "inspect" "20ca8bf95ed2d6887cb2d3ace50b1378e53f750ca665fffd334d376e869877d7"`
Dec 01 11:56:13.989 INFO running `"docker" "rm" "-f" "20ca8bf95ed2d6887cb2d3ace50b1378e53f750ca665fffd334d376e869877d7"`
Dec 01 11:56:14.338 INFO [stdout] 20ca8bf95ed2d6887cb2d3ace50b1378e53f750ca665fffd334d376e869877d7
