Dec 01 01:52:32.624 INFO testing snowmantw/toy-chacha20 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 01 01:52:32.624 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 01:52:33.231 INFO [stdout] 14b4780eb6d34b635c26ab54d0962cead3ccff6ce2170036bd8066d3f007d48f
Dec 01 01:52:33.240 INFO running `"docker" "start" "-a" "14b4780eb6d34b635c26ab54d0962cead3ccff6ce2170036bd8066d3f007d48f"`
Dec 01 01:52:34.583 INFO [stderr] usermod: no changes
Dec 01 01:52:34.719 INFO [stderr]    Compiling crossbeam-deque v0.2.0
Dec 01 01:52:35.480 INFO [stderr]    Compiling rayon-core v1.4.1
Dec 01 01:52:37.375 INFO [stderr]    Compiling rayon v1.0.2
Dec 01 01:52:41.639 INFO [stderr]    Compiling toy-chacha20 v0.1.0 (/source)
Dec 01 01:52:41.935 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 01 01:52:41.936 INFO [stderr]  --> src/main.rs:1:1
Dec 01 01:52:41.936 INFO [stderr]   |
Dec 01 01:52:41.936 INFO [stderr] 1 | #![feature(slice_patterns)]     // to make passing multable slice elements possible.
Dec 01 01:52:41.936 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:52:41.937 INFO [stderr] 
Dec 01 01:52:41.937 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 01 01:52:41.937 INFO [stderr]  --> src/main.rs:2:1
Dec 01 01:52:41.937 INFO [stderr]   |
Dec 01 01:52:41.938 INFO [stderr] 2 | #![feature(wrapping_int_impl)]
Dec 01 01:52:41.938 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:52:41.938 INFO [stderr] 
Dec 01 01:52:41.939 INFO [stderr] error: aborting due to 2 previous errors
Dec 01 01:52:41.939 INFO [stderr] 
Dec 01 01:52:41.939 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 01:52:41.944 INFO [stderr] error: Could not compile `toy-chacha20`.
Dec 01 01:52:41.944 INFO [stderr] 
Dec 01 01:52:41.944 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 01:52:41.945 INFO [stderr] su: No module specific data is present
Dec 01 01:52:42.491 INFO running `"docker" "inspect" "14b4780eb6d34b635c26ab54d0962cead3ccff6ce2170036bd8066d3f007d48f"`
Dec 01 01:52:42.693 INFO running `"docker" "rm" "-f" "14b4780eb6d34b635c26ab54d0962cead3ccff6ce2170036bd8066d3f007d48f"`
Dec 01 01:52:42.927 INFO [stdout] 14b4780eb6d34b635c26ab54d0962cead3ccff6ce2170036bd8066d3f007d48f
