Dec 02 22:20:50.497 INFO testing pocket_prover-0.5.0 against 1.30.1 for beta-1.31-5
Dec 02 22:20:50.497 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 22:20:50.976 INFO [stdout] 8cee356c0d0649c24c058ddc18a938402b95bd58a6105a1a012d4e6395e6b074
Dec 02 22:20:50.979 INFO running `"docker" "start" "-a" "8cee356c0d0649c24c058ddc18a938402b95bd58a6105a1a012d4e6395e6b074"`
Dec 02 22:20:52.479 INFO [stderr] usermod: no changes
Dec 02 22:20:52.507 INFO [stderr]    Compiling pocket_prover v0.5.0 (/source)
Dec 02 22:20:54.018 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
Dec 02 22:20:54.019 INFO [stderr] su: No module specific data is present
Dec 02 22:20:54.855 INFO running `"docker" "inspect" "8cee356c0d0649c24c058ddc18a938402b95bd58a6105a1a012d4e6395e6b074"`
Dec 02 22:20:55.171 INFO running `"docker" "rm" "-f" "8cee356c0d0649c24c058ddc18a938402b95bd58a6105a1a012d4e6395e6b074"`
Dec 02 22:20:55.450 INFO [stdout] 8cee356c0d0649c24c058ddc18a938402b95bd58a6105a1a012d4e6395e6b074
Dec 02 22:20:55.455 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 test --frozen --no-run" "-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 22:20:55.876 INFO [stdout] 8b0478403a70f5091f19ba45df9f45217a8b0775d32cebc17a027d898c2e66aa
Dec 02 22:20:55.878 INFO running `"docker" "start" "-a" "8b0478403a70f5091f19ba45df9f45217a8b0775d32cebc17a027d898c2e66aa"`
Dec 02 22:20:58.075 INFO [stderr] usermod: no changes
Dec 02 22:20:58.136 INFO [stderr]    Compiling pocket_prover v0.5.0 (/source)
Dec 02 22:21:01.442 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 22:21:01.442 INFO [stderr]  --> examples/vars.rs:1:1
Dec 02 22:21:01.442 INFO [stderr]   |
Dec 02 22:21:01.446 INFO [stderr] 1 | #![feature(slice_patterns)]
Dec 02 22:21:01.447 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 22:21:01.447 INFO [stderr] 
Dec 02 22:21:01.447 INFO [stderr] error: aborting due to previous error
Dec 02 22:21:01.447 INFO [stderr] 
Dec 02 22:21:01.447 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 22:21:01.450 INFO [stderr] error: Could not compile `pocket_prover`.
Dec 02 22:21:01.450 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 02 22:21:03.070 INFO [stderr] error: build failed
Dec 02 22:21:03.071 INFO [stderr] su: No module specific data is present
Dec 02 22:21:03.471 INFO running `"docker" "inspect" "8b0478403a70f5091f19ba45df9f45217a8b0775d32cebc17a027d898c2e66aa"`
Dec 02 22:21:03.763 INFO running `"docker" "rm" "-f" "8b0478403a70f5091f19ba45df9f45217a8b0775d32cebc17a027d898c2e66aa"`
Dec 02 22:21:03.966 INFO [stdout] 8b0478403a70f5091f19ba45df9f45217a8b0775d32cebc17a027d898c2e66aa
