Dec 03 16:20:04.032 INFO testing chess-move-gen-0.6.3 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 16:20:04.033 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 03 16:20:04.529 INFO [stdout] 5f0d105c3665896a5489c99694f6643e6634bd2bb096eb63f6434d1feb36fc17
Dec 03 16:20:04.532 INFO running `"docker" "start" "-a" "5f0d105c3665896a5489c99694f6643e6634bd2bb096eb63f6434d1feb36fc17"`
Dec 03 16:20:06.883 INFO [stderr] usermod: no changes
Dec 03 16:20:07.019 INFO [stderr]    Compiling libc v0.2.44
Dec 03 16:20:07.027 INFO [stderr]    Compiling rand_core v0.3.0
Dec 03 16:20:07.027 INFO [stderr]    Compiling simd v0.2.3
Dec 03 16:20:07.027 INFO [stderr]    Compiling unindent v0.1.3
Dec 03 16:20:13.219 INFO [stderr]    Compiling rand_core v0.2.2
Dec 03 16:20:17.946 INFO [stderr]    Compiling num_cpus v1.8.0
Dec 03 16:20:17.947 INFO [stderr]    Compiling rand v0.5.5
Dec 03 16:20:23.036 INFO [stderr]    Compiling threadpool v1.7.1
Dec 03 16:20:36.205 INFO [stderr]    Compiling chess-move-gen v0.6.3 (/source)
Dec 03 16:20:37.875 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 16:20:37.875 INFO [stderr]   --> src/lib.rs:14:1
Dec 03 16:20:37.875 INFO [stderr]    |
Dec 03 16:20:37.875 INFO [stderr] 14 | #![feature(test)]
Dec 03 16:20:37.875 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 03 16:20:37.875 INFO [stderr] 
Dec 03 16:20:37.875 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 16:20:37.875 INFO [stderr]   --> src/lib.rs:15:1
Dec 03 16:20:37.875 INFO [stderr]    |
Dec 03 16:20:37.875 INFO [stderr] 15 | #![feature(platform_intrinsics)]
Dec 03 16:20:37.875 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 16:20:37.875 INFO [stderr] 
Dec 03 16:20:37.875 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 16:20:37.875 INFO [stderr]   --> src/lib.rs:16:1
Dec 03 16:20:37.875 INFO [stderr]    |
Dec 03 16:20:37.875 INFO [stderr] 16 | #![feature(const_fn)]
Dec 03 16:20:37.876 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 03 16:20:37.876 INFO [stderr] 
Dec 03 16:20:37.929 INFO [stderr] error: aborting due to 3 previous errors
Dec 03 16:20:37.929 INFO [stderr] 
Dec 03 16:20:37.929 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 16:20:37.938 INFO [stderr] error: Could not compile `chess-move-gen`.
Dec 03 16:20:37.938 INFO [stderr] 
Dec 03 16:20:37.938 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 16:20:37.940 INFO [stderr] su: No module specific data is present
Dec 03 16:20:39.403 INFO running `"docker" "inspect" "5f0d105c3665896a5489c99694f6643e6634bd2bb096eb63f6434d1feb36fc17"`
Dec 03 16:20:39.773 INFO running `"docker" "rm" "-f" "5f0d105c3665896a5489c99694f6643e6634bd2bb096eb63f6434d1feb36fc17"`
Dec 03 16:20:40.187 INFO [stdout] 5f0d105c3665896a5489c99694f6643e6634bd2bb096eb63f6434d1feb36fc17