Dec 02 10:01:34.946 INFO testing 0ncorhynchus/brainf_ck against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 10:01:34.946 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 02 10:01:35.180 INFO [stdout] fc0a22feaf844d4bb9bd2b054cd639255e578fa1338c571203af015a672cd01b
Dec 02 10:01:35.184 INFO running `"docker" "start" "-a" "fc0a22feaf844d4bb9bd2b054cd639255e578fa1338c571203af015a672cd01b"`
Dec 02 10:01:35.762 INFO [stderr] usermod: no changes
Dec 02 10:01:35.814 INFO [stderr]    Compiling brainf_ck v0.1.0 (/source)
Dec 02 10:01:36.359 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 10:01:36.359 INFO [stderr]  --> src/main.rs:1:1
Dec 02 10:01:36.359 INFO [stderr]   |
Dec 02 10:01:36.359 INFO [stderr] 1 | #![feature(test)]
Dec 02 10:01:36.359 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 02 10:01:36.359 INFO [stderr] 
Dec 02 10:01:36.359 INFO [stderr] error: aborting due to previous error
Dec 02 10:01:36.359 INFO [stderr] 
Dec 02 10:01:36.359 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 10:01:36.361 INFO [stderr] error: Could not compile `brainf_ck`.
Dec 02 10:01:36.361 INFO [stderr] 
Dec 02 10:01:36.361 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 10:01:36.363 INFO [stderr] su: No module specific data is present
Dec 02 10:01:36.721 INFO running `"docker" "inspect" "fc0a22feaf844d4bb9bd2b054cd639255e578fa1338c571203af015a672cd01b"`
Dec 02 10:01:36.816 INFO running `"docker" "rm" "-f" "fc0a22feaf844d4bb9bd2b054cd639255e578fa1338c571203af015a672cd01b"`
Dec 02 10:01:36.923 INFO [stdout] fc0a22feaf844d4bb9bd2b054cd639255e578fa1338c571203af015a672cd01b