Dec 02 06:14:25.968 INFO testing Kethku/RustyRayTracer against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 06:14:25.968 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 02 06:14:26.176 INFO [stdout] 3ceb5a524e439c18c8af0ede1bcdeac1f8157f6df1718145350e89649893bdee
Dec 02 06:14:26.178 INFO running `"docker" "start" "-a" "3ceb5a524e439c18c8af0ede1bcdeac1f8157f6df1718145350e89649893bdee"`
Dec 02 06:14:26.744 INFO [stderr] usermod: no changes
Dec 02 06:14:26.808 INFO [stderr]    Compiling x11-dl v2.14.0
Dec 02 06:14:32.395 INFO [stderr]    Compiling minifb v0.10.4
Dec 02 06:14:33.943 INFO [stderr]    Compiling rusty_ray_tracer v0.1.0 (/source)
Dec 02 06:14:34.671 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 06:14:34.671 INFO [stderr]  --> src/main.rs:1:1
Dec 02 06:14:34.671 INFO [stderr]   |
Dec 02 06:14:34.671 INFO [stderr] 1 | #![feature(iterator_step_by)]
Dec 02 06:14:34.671 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 06:14:34.671 INFO [stderr] 
Dec 02 06:14:34.671 INFO [stderr] error: aborting due to previous error
Dec 02 06:14:34.671 INFO [stderr] 
Dec 02 06:14:34.671 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 06:14:34.674 INFO [stderr] error: Could not compile `rusty_ray_tracer`.
Dec 02 06:14:34.675 INFO [stderr] 
Dec 02 06:14:34.675 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 06:14:34.675 INFO [stderr] su: No module specific data is present
Dec 02 06:14:35.201 INFO running `"docker" "inspect" "3ceb5a524e439c18c8af0ede1bcdeac1f8157f6df1718145350e89649893bdee"`
Dec 02 06:14:35.263 INFO running `"docker" "rm" "-f" "3ceb5a524e439c18c8af0ede1bcdeac1f8157f6df1718145350e89649893bdee"`
Dec 02 06:14:35.407 INFO [stdout] 3ceb5a524e439c18c8af0ede1bcdeac1f8157f6df1718145350e89649893bdee