Dec 03 16:38:46.597 INFO testing cbuf-0.1.1 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 16:38:46.597 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 03 16:38:46.787 INFO [stdout] 7a2bb9a4e3eb9318ca8f264440cb09e26f21e2eb567d0b14b1f05a3953949457
Dec 03 16:38:46.792 INFO running `"docker" "start" "-a" "7a2bb9a4e3eb9318ca8f264440cb09e26f21e2eb567d0b14b1f05a3953949457"`
Dec 03 16:38:47.134 INFO [stderr] usermod: no changes
Dec 03 16:38:47.161 INFO [stderr]    Compiling cbuf v0.1.1 (/source)
Dec 03 16:38:47.850 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 16:38:47.850 INFO [stderr]   --> src/lib.rs:13:1
Dec 03 16:38:47.850 INFO [stderr]    |
Dec 03 16:38:47.850 INFO [stderr] 13 | #![feature(const_fn)]
Dec 03 16:38:47.850 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 03 16:38:47.851 INFO [stderr] 
Dec 03 16:38:47.854 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 16:38:47.854 INFO [stderr]   --> src/lib.rs:14:1
Dec 03 16:38:47.854 INFO [stderr]    |
Dec 03 16:38:47.854 INFO [stderr] 14 | #![feature(test)]
Dec 03 16:38:47.854 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 03 16:38:47.854 INFO [stderr] 
Dec 03 16:38:47.854 INFO [stderr] error: aborting due to 2 previous errors
Dec 03 16:38:47.854 INFO [stderr] 
Dec 03 16:38:47.854 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 16:38:47.860 INFO [stderr] error: Could not compile `cbuf`.
Dec 03 16:38:47.860 INFO [stderr] 
Dec 03 16:38:47.860 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 16:38:47.861 INFO [stderr] su: No module specific data is present
Dec 03 16:38:48.600 INFO running `"docker" "inspect" "7a2bb9a4e3eb9318ca8f264440cb09e26f21e2eb567d0b14b1f05a3953949457"`
Dec 03 16:38:48.756 INFO running `"docker" "rm" "-f" "7a2bb9a4e3eb9318ca8f264440cb09e26f21e2eb567d0b14b1f05a3953949457"`
Dec 03 16:38:48.979 INFO [stdout] 7a2bb9a4e3eb9318ca8f264440cb09e26f21e2eb567d0b14b1f05a3953949457
