Dec 03 17:38:21.974 INFO testing bulletproofs-1.0.0-pre.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 17:38:21.974 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 17:38:22.543 INFO [stdout] 2ce4826c276f944755b42ba7bce84532fbbd0ea6d050cd85007a875b3f74fa50
Dec 03 17:38:22.545 INFO running `"docker" "start" "-a" "2ce4826c276f944755b42ba7bce84532fbbd0ea6d050cd85007a875b3f74fa50"`
Dec 03 17:38:23.887 INFO [stderr] usermod: no changes
Dec 03 17:38:24.075 INFO [stderr]    Compiling subtle v2.0.0-pre.0
Dec 03 17:38:24.086 INFO [stderr]    Compiling rand v0.6.1
Dec 03 17:38:24.089 INFO [stderr]    Compiling merlin v1.0.0-pre.0
Dec 03 17:38:24.091 INFO [stderr]    Compiling sha3 v0.8.1
Dec 03 17:38:30.012 INFO [stderr]    Compiling curve25519-dalek v1.0.0-pre.1
Dec 03 17:38:35.267 INFO [stderr]    Compiling bulletproofs v1.0.0-pre.0 (/source)
Dec 03 17:38:37.227 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 17:38:37.227 INFO [stderr]  --> src/lib.rs:1:1
Dec 03 17:38:37.227 INFO [stderr]   |
Dec 03 17:38:37.227 INFO [stderr] 1 | #![feature(nll)]
Dec 03 17:38:37.227 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 03 17:38:37.227 INFO [stderr] 
Dec 03 17:38:37.227 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 17:38:37.227 INFO [stderr]  --> src/lib.rs:2:1
Dec 03 17:38:37.227 INFO [stderr]   |
Dec 03 17:38:37.227 INFO [stderr] 2 | #![feature(external_doc)]
Dec 03 17:38:37.227 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 17:38:37.227 INFO [stderr] 
Dec 03 17:38:37.236 INFO [stderr] error: aborting due to 2 previous errors
Dec 03 17:38:37.236 INFO [stderr] 
Dec 03 17:38:37.236 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 17:38:37.251 INFO [stderr] error: Could not compile `bulletproofs`.
Dec 03 17:38:37.251 INFO [stderr] 
Dec 03 17:38:37.251 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 17:38:37.253 INFO [stderr] su: No module specific data is present
Dec 03 17:38:37.528 INFO running `"docker" "inspect" "2ce4826c276f944755b42ba7bce84532fbbd0ea6d050cd85007a875b3f74fa50"`
Dec 03 17:38:37.614 INFO running `"docker" "rm" "-f" "2ce4826c276f944755b42ba7bce84532fbbd0ea6d050cd85007a875b3f74fa50"`
Dec 03 17:38:37.682 INFO [stdout] 2ce4826c276f944755b42ba7bce84532fbbd0ea6d050cd85007a875b3f74fa50