Dec 02 10:07:47.721 INFO testing zkp-0.4.3 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 10:07:47.721 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 10:07:48.140 INFO [stdout] a8f2673354f29081f5e1c4dbb26faa549b5bb6f9d1431bbdab3c41c9f9225744
Dec 02 10:07:48.147 INFO running `"docker" "start" "-a" "a8f2673354f29081f5e1c4dbb26faa549b5bb6f9d1431bbdab3c41c9f9225744"`
Dec 02 10:07:49.789 INFO [stderr] usermod: no changes
Dec 02 10:07:49.934 INFO [stderr]    Compiling subtle v0.7.1
Dec 02 10:07:49.936 INFO [stderr]    Compiling clear_on_drop v0.2.3
Dec 02 10:07:50.725 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 10:07:50.725 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/subtle-0.7.1/src/lib.rs:12:34
Dec 02 10:07:50.725 INFO [stderr]    |
Dec 02 10:07:50.725 INFO [stderr] 12 | #![cfg_attr(feature = "nightly", feature(asm))]
Dec 02 10:07:50.725 INFO [stderr]    |                                  ^^^^^^^^^^^^
Dec 02 10:07:50.725 INFO [stderr] 
Dec 02 10:07:50.725 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 10:07:50.725 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/subtle-0.7.1/src/lib.rs:13:34
Dec 02 10:07:50.725 INFO [stderr]    |
Dec 02 10:07:50.725 INFO [stderr] 13 | #![cfg_attr(feature = "nightly", feature(external_doc))]
Dec 02 10:07:50.725 INFO [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^
Dec 02 10:07:50.725 INFO [stderr] 
Dec 02 10:07:50.725 INFO [stderr] error: aborting due to 2 previous errors
Dec 02 10:07:50.725 INFO [stderr] 
Dec 02 10:07:50.725 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 10:07:50.731 INFO [stderr] error: Could not compile `subtle`.
Dec 02 10:07:50.731 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 02 10:07:51.607 INFO [stderr] error: build failed
Dec 02 10:07:51.609 INFO [stderr] su: No module specific data is present
Dec 02 10:07:52.488 INFO running `"docker" "inspect" "a8f2673354f29081f5e1c4dbb26faa549b5bb6f9d1431bbdab3c41c9f9225744"`
Dec 02 10:07:52.785 INFO running `"docker" "rm" "-f" "a8f2673354f29081f5e1c4dbb26faa549b5bb6f9d1431bbdab3c41c9f9225744"`
Dec 02 10:07:53.147 INFO [stdout] a8f2673354f29081f5e1c4dbb26faa549b5bb6f9d1431bbdab3c41c9f9225744