Dec 03 17:38:26.661 INFO testing bulletproofs-1.0.0-pre.0 against 1.30.1 for beta-1.31-5
Dec 03 17:38:26.662 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 17:38:26.892 INFO [stdout] 32e91939a88a062a2838d327247aa780b3a93a4c287877e3f786764648b5473b
Dec 03 17:38:26.894 INFO running `"docker" "start" "-a" "32e91939a88a062a2838d327247aa780b3a93a4c287877e3f786764648b5473b"`
Dec 03 17:38:27.306 INFO [stderr] usermod: no changes
Dec 03 17:38:27.501 INFO [stderr]    Compiling subtle v2.0.0-pre.0
Dec 03 17:38:27.535 INFO [stderr]    Compiling block-buffer v0.7.0
Dec 03 17:38:27.535 INFO [stderr]    Compiling merlin v1.0.0-pre.0
Dec 03 17:38:28.459 INFO [stderr]    Compiling curve25519-dalek v1.0.0-pre.1
Dec 03 17:38:28.850 INFO [stderr]    Compiling sha3 v0.8.1
Dec 03 17:38:34.043 INFO [stderr]    Compiling bulletproofs v1.0.0-pre.0 (/source)
Dec 03 17:38:36.896 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 17:38:36.896 INFO [stderr]  --> src/lib.rs:1:1
Dec 03 17:38:36.896 INFO [stderr]   |
Dec 03 17:38:36.896 INFO [stderr] 1 | #![feature(nll)]
Dec 03 17:38:36.896 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 03 17:38:36.896 INFO [stderr] 
Dec 03 17:38:36.896 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 17:38:36.896 INFO [stderr]  --> src/lib.rs:2:1
Dec 03 17:38:36.896 INFO [stderr]   |
Dec 03 17:38:36.896 INFO [stderr] 2 | #![feature(external_doc)]
Dec 03 17:38:36.896 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 17:38:36.896 INFO [stderr] 
Dec 03 17:38:36.906 INFO [stderr] error: aborting due to 2 previous errors
Dec 03 17:38:36.906 INFO [stderr] 
Dec 03 17:38:36.906 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 17:38:36.922 INFO [stderr] error: Could not compile `bulletproofs`.
Dec 03 17:38:36.922 INFO [stderr] 
Dec 03 17:38:36.922 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 17:38:36.924 INFO [stderr] su: No module specific data is present
Dec 03 17:38:37.265 INFO running `"docker" "inspect" "32e91939a88a062a2838d327247aa780b3a93a4c287877e3f786764648b5473b"`
Dec 03 17:38:37.314 INFO running `"docker" "rm" "-f" "32e91939a88a062a2838d327247aa780b3a93a4c287877e3f786764648b5473b"`
Dec 03 17:38:37.375 INFO [stdout] 32e91939a88a062a2838d327247aa780b3a93a4c287877e3f786764648b5473b