Dec 02 17:57:49.981 INFO testing sapling-crypto-0.0.1 against 1.30.1 for beta-1.31-5
Dec 02 17:57:49.981 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 17:57:50.383 INFO [stdout] a9c4ca70bdece00d2138bf23949ccc38e1b70370f3d6dd0cfeb8c55892a588c9
Dec 02 17:57:50.385 INFO running `"docker" "start" "-a" "a9c4ca70bdece00d2138bf23949ccc38e1b70370f3d6dd0cfeb8c55892a588c9"`
Dec 02 17:57:50.887 INFO [stderr] usermod: no changes
Dec 02 17:57:50.946 INFO [stderr]    Compiling pairing v0.13.2
Dec 02 17:57:51.596 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 17:57:51.596 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/pairing-0.13.2/src/lib.rs:3:39
Dec 02 17:57:51.596 INFO [stderr]   |
Dec 02 17:57:51.596 INFO [stderr] 3 | #![cfg_attr(feature = "u128-support", feature(i128_type))]
Dec 02 17:57:51.596 INFO [stderr]   |                                       ^^^^^^^^^^^^^^^^^^^
Dec 02 17:57:51.596 INFO [stderr] 
Dec 02 17:57:51.603 INFO [stderr] error: aborting due to previous error
Dec 02 17:57:51.603 INFO [stderr] 
Dec 02 17:57:51.603 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 17:57:51.609 INFO [stderr] error: Could not compile `pairing`.
Dec 02 17:57:51.609 INFO [stderr] 
Dec 02 17:57:51.609 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 17:57:51.610 INFO [stderr] su: No module specific data is present
Dec 02 17:57:51.892 INFO running `"docker" "inspect" "a9c4ca70bdece00d2138bf23949ccc38e1b70370f3d6dd0cfeb8c55892a588c9"`
Dec 02 17:57:52.006 INFO running `"docker" "rm" "-f" "a9c4ca70bdece00d2138bf23949ccc38e1b70370f3d6dd0cfeb8c55892a588c9"`
Dec 02 17:57:52.161 INFO [stdout] a9c4ca70bdece00d2138bf23949ccc38e1b70370f3d6dd0cfeb8c55892a588c9