Dec 01 02:12:50.548 INFO testing singaraiona/rchr against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 01 02:12:50.550 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 02:12:50.799 INFO [stdout] 8a6e5913dc5fdd7de6c2267b49e79b12bf065f0872c08d58f912ac0e0cc2bd87
Dec 01 02:12:50.801 INFO running `"docker" "start" "-a" "8a6e5913dc5fdd7de6c2267b49e79b12bf065f0872c08d58f912ac0e0cc2bd87"`
Dec 01 02:12:51.435 INFO [stderr] usermod: no changes
Dec 01 02:12:51.515 INFO [stderr]    Compiling either v1.0.3
Dec 01 02:12:51.519 INFO [stderr]    Compiling thread-id v3.0.0
Dec 01 02:12:51.520 INFO [stderr]    Compiling memchr v1.0.1
Dec 01 02:12:51.824 INFO [stderr]    Compiling thread_local v0.3.3
Dec 01 02:12:52.011 INFO [stderr]    Compiling itertools v0.5.9
Dec 01 02:12:52.358 INFO [stderr]    Compiling aho-corasick v0.6.2
Dec 01 02:12:53.527 INFO [stderr]    Compiling regex v0.2.1
Dec 01 02:13:00.919 INFO [stderr]    Compiling rchr v0.1.0 (/source)
Dec 01 02:13:01.277 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 01 02:13:01.277 INFO [stderr]  --> src/lib.rs:1:1
Dec 01 02:13:01.277 INFO [stderr]   |
Dec 01 02:13:01.277 INFO [stderr] 1 | #![feature(pattern)]
Dec 01 02:13:01.277 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Dec 01 02:13:01.277 INFO [stderr] 
Dec 01 02:13:01.277 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 01 02:13:01.277 INFO [stderr]  --> src/lib.rs:2:1
Dec 01 02:13:01.277 INFO [stderr]   |
Dec 01 02:13:01.277 INFO [stderr] 2 | #![feature(box_syntax)]
Dec 01 02:13:01.277 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 02:13:01.277 INFO [stderr] 
Dec 01 02:13:01.279 INFO [stderr] error: aborting due to 2 previous errors
Dec 01 02:13:01.279 INFO [stderr] 
Dec 01 02:13:01.279 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 02:13:01.286 INFO [stderr] error: Could not compile `rchr`.
Dec 01 02:13:01.286 INFO [stderr] 
Dec 01 02:13:01.286 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 02:13:01.287 INFO [stderr] su: No module specific data is present
Dec 01 02:13:02.009 INFO running `"docker" "inspect" "8a6e5913dc5fdd7de6c2267b49e79b12bf065f0872c08d58f912ac0e0cc2bd87"`
Dec 01 02:13:02.321 INFO running `"docker" "rm" "-f" "8a6e5913dc5fdd7de6c2267b49e79b12bf065f0872c08d58f912ac0e0cc2bd87"`
Dec 01 02:13:02.707 INFO [stdout] 8a6e5913dc5fdd7de6c2267b49e79b12bf065f0872c08d58f912ac0e0cc2bd87
