Dec 01 03:11:08.751 INFO testing scottwillmoore/rust-primer against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 01 03:11:08.752 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 01 03:11:09.180 INFO [stdout] 1b941bb59d435ee23ff64e9c9aeba3dfc4798ac55127cf0e3fefb458beda60eb
Dec 01 03:11:09.182 INFO running `"docker" "start" "-a" "1b941bb59d435ee23ff64e9c9aeba3dfc4798ac55127cf0e3fefb458beda60eb"`
Dec 01 03:11:11.224 INFO [stderr] usermod: no changes
Dec 01 03:11:11.323 INFO [stderr]    Compiling libc v0.2.39
Dec 01 03:11:12.971 INFO [stderr]    Compiling memchr v2.0.1
Dec 01 03:11:13.639 INFO [stderr]    Compiling aho-corasick v0.6.4
Dec 01 03:11:14.849 INFO [stderr]    Compiling regex v0.2.10
Dec 01 03:11:23.863 INFO [stderr]    Compiling docopt v0.8.3
Dec 01 03:11:30.297 INFO [stderr]    Compiling primer v0.1.0 (/source)
Dec 01 03:11:30.535 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 01 03:11:30.535 INFO [stderr]  --> src/lib.rs:1:1
Dec 01 03:11:30.535 INFO [stderr]   |
Dec 01 03:11:30.535 INFO [stderr] 1 | #![feature(iterator_step_by)]
Dec 01 03:11:30.535 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 03:11:30.535 INFO [stderr] 
Dec 01 03:11:30.535 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 01 03:11:30.535 INFO [stderr]  --> src/lib.rs:2:1
Dec 01 03:11:30.535 INFO [stderr]   |
Dec 01 03:11:30.535 INFO [stderr] 2 | #![feature(test)]
Dec 01 03:11:30.535 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 01 03:11:30.537 INFO [stderr] 
Dec 01 03:11:30.537 INFO [stderr] error: aborting due to 2 previous errors
Dec 01 03:11:30.537 INFO [stderr] 
Dec 01 03:11:30.537 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 03:11:30.539 INFO [stderr] error: Could not compile `primer`.
Dec 01 03:11:30.539 INFO [stderr] 
Dec 01 03:11:30.539 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 03:11:30.542 INFO [stderr] su: No module specific data is present
Dec 01 03:11:32.052 INFO running `"docker" "inspect" "1b941bb59d435ee23ff64e9c9aeba3dfc4798ac55127cf0e3fefb458beda60eb"`
Dec 01 03:11:32.333 INFO running `"docker" "rm" "-f" "1b941bb59d435ee23ff64e9c9aeba3dfc4798ac55127cf0e3fefb458beda60eb"`
Dec 01 03:11:32.651 INFO [stdout] 1b941bb59d435ee23ff64e9c9aeba3dfc4798ac55127cf0e3fefb458beda60eb
