Dec 02 01:21:22.995 INFO testing akky2501/Ruml against 1.30.1 for beta-1.31-5
Dec 02 01:21:22.995 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 01:21:23.190 INFO [stdout] 026897d3a41898f0c800c556f148cf68cc90e7d770dcd0c4825d3a6bdd10c3db
Dec 02 01:21:23.195 INFO running `"docker" "start" "-a" "026897d3a41898f0c800c556f148cf68cc90e7d770dcd0c4825d3a6bdd10c3db"`
Dec 02 01:21:23.790 INFO [stderr] usermod: no changes
Dec 02 01:21:23.845 INFO [stderr]    Compiling pom v1.0.1
Dec 02 01:21:25.221 INFO [stderr]    Compiling Ruml v0.1.0 (/source)
Dec 02 01:21:25.707 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 01:21:25.707 INFO [stderr]  --> src/main.rs:1:1
Dec 02 01:21:25.707 INFO [stderr]   |
Dec 02 01:21:25.707 INFO [stderr] 1 | #![feature(box_syntax, box_patterns)]
Dec 02 01:21:25.707 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 01:21:25.707 INFO [stderr] 
Dec 02 01:21:25.707 INFO [stderr] error: aborting due to previous error
Dec 02 01:21:25.707 INFO [stderr] 
Dec 02 01:21:25.707 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 01:21:25.712 INFO [stderr] error: Could not compile `Ruml`.
Dec 02 01:21:25.712 INFO [stderr] 
Dec 02 01:21:25.712 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 01:21:25.712 INFO [stderr] su: No module specific data is present
Dec 02 01:21:26.204 INFO running `"docker" "inspect" "026897d3a41898f0c800c556f148cf68cc90e7d770dcd0c4825d3a6bdd10c3db"`
Dec 02 01:21:26.398 INFO running `"docker" "rm" "-f" "026897d3a41898f0c800c556f148cf68cc90e7d770dcd0c4825d3a6bdd10c3db"`
Dec 02 01:21:26.576 INFO [stdout] 026897d3a41898f0c800c556f148cf68cc90e7d770dcd0c4825d3a6bdd10c3db
