Dec 03 16:19:20.251 INFO testing chess_perft-2.0.1 against 1.30.1 for beta-1.31-5
Dec 03 16:19:20.251 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 03 16:19:20.780 INFO [stdout] 443bd3a723dfaf1abf97ee45fc7f4cbfc7b758d86bd18ee0885b96682397f88f
Dec 03 16:19:20.782 INFO running `"docker" "start" "-a" "443bd3a723dfaf1abf97ee45fc7f4cbfc7b758d86bd18ee0885b96682397f88f"`
Dec 03 16:19:22.990 INFO [stderr] usermod: no changes
Dec 03 16:19:23.140 INFO [stderr]    Compiling semver-parser v0.7.0
Dec 03 16:19:23.141 INFO [stderr]    Compiling libc v0.2.44
Dec 03 16:19:23.141 INFO [stderr]    Compiling num-traits v0.2.6
Dec 03 16:19:23.141 INFO [stderr]    Compiling version_check v0.1.5
Dec 03 16:19:23.147 INFO [stderr]    Compiling nodrop v0.1.13
Dec 03 16:19:23.171 INFO [stderr]    Compiling unicode-width v0.1.5
Dec 03 16:19:23.184 INFO [stderr]    Compiling bitflags v1.0.4
Dec 03 16:19:23.193 INFO [stderr]    Compiling rand_hc v0.1.0
Dec 03 16:19:23.975 INFO [stderr]    Compiling rand_isaac v0.1.1
Dec 03 16:19:23.997 INFO [stderr]    Compiling rand_xorshift v0.1.0
Dec 03 16:19:24.239 INFO [stderr]    Compiling arrayvec v0.4.8
Dec 03 16:19:35.703 INFO [stderr]    Compiling getopts v0.2.18
Dec 03 16:19:40.080 INFO [stderr]    Compiling shakmaty v0.11.2
Dec 03 16:19:40.360 INFO [stderr]    Compiling semver v0.9.0
Dec 03 16:19:51.911 INFO [stderr]    Compiling rustc_version v0.2.3
Dec 03 16:19:51.944 INFO [stderr]    Compiling rand v0.4.3
Dec 03 16:19:51.944 INFO [stderr]    Compiling num_cpus v1.8.0
Dec 03 16:19:59.240 INFO [stderr]    Compiling btoi v0.4.0
Dec 03 16:20:00.287 INFO [stderr]    Compiling threadpool v1.7.1
Dec 03 16:20:02.259 INFO [stderr]    Compiling rand_chacha v0.1.0
Dec 03 16:20:02.259 INFO [stderr]    Compiling rand_pcg v0.1.1
Dec 03 16:20:02.259 INFO [stderr]    Compiling rand v0.6.1
Dec 03 16:20:14.187 INFO [stderr]    Compiling chess v2.0.1
Dec 03 16:20:36.764 INFO [stderr]    Compiling chess-move-gen v0.6.4
Dec 03 16:20:42.991 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 16:20:42.991 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/chess-move-gen-0.6.4/src/lib.rs:14:1
Dec 03 16:20:42.991 INFO [stderr]    |
Dec 03 16:20:42.991 INFO [stderr] 14 | #![feature(test)]
Dec 03 16:20:42.991 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 03 16:20:42.991 INFO [stderr] 
Dec 03 16:20:42.991 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 16:20:42.991 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/chess-move-gen-0.6.4/src/lib.rs:15:1
Dec 03 16:20:42.991 INFO [stderr]    |
Dec 03 16:20:42.991 INFO [stderr] 15 | #![feature(platform_intrinsics)]
Dec 03 16:20:42.991 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 16:20:42.991 INFO [stderr] 
Dec 03 16:20:42.991 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 16:20:42.991 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/chess-move-gen-0.6.4/src/lib.rs:16:1
Dec 03 16:20:42.991 INFO [stderr]    |
Dec 03 16:20:42.991 INFO [stderr] 16 | #![feature(const_fn)]
Dec 03 16:20:42.991 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 03 16:20:42.991 INFO [stderr] 
Dec 03 16:20:43.079 INFO [stderr] error: aborting due to 3 previous errors
Dec 03 16:20:43.079 INFO [stderr] 
Dec 03 16:20:43.079 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 16:20:43.091 INFO [stderr] error: Could not compile `chess-move-gen`.
Dec 03 16:20:43.091 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 16:20:55.205 INFO [stderr] error: build failed
Dec 03 16:20:55.207 INFO [stderr] su: No module specific data is present
Dec 03 16:20:56.298 INFO running `"docker" "inspect" "443bd3a723dfaf1abf97ee45fc7f4cbfc7b758d86bd18ee0885b96682397f88f"`
Dec 03 16:20:56.704 INFO running `"docker" "rm" "-f" "443bd3a723dfaf1abf97ee45fc7f4cbfc7b758d86bd18ee0885b96682397f88f"`
Dec 03 16:20:57.051 INFO [stdout] 443bd3a723dfaf1abf97ee45fc7f4cbfc7b758d86bd18ee0885b96682397f88f