Dec 01 23:30:16.812 INFO testing belfz/mpsc-crypto-mining against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 01 23:30:16.812 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 23:30:17.297 INFO [stdout] 27e29816314275ab011c4ec7e4d3134ac46a8c3170593262ed426e69f9a2b485
Dec 01 23:30:17.301 INFO running `"docker" "start" "-a" "27e29816314275ab011c4ec7e4d3134ac46a8c3170593262ed426e69f9a2b485"`
Dec 01 23:30:18.501 INFO [stderr] usermod: no changes
Dec 01 23:30:18.627 INFO [stderr]    Compiling generic-array v0.6.0
Dec 01 23:30:19.171 INFO [stderr]    Compiling digest-buffer v0.2.0
Dec 01 23:30:19.171 INFO [stderr]    Compiling digest v0.4.0
Dec 01 23:30:19.750 INFO [stderr]    Compiling sha2 v0.4.2
Dec 01 23:30:20.716 INFO [stderr]    Compiling easy-hash v0.1.0
Dec 01 23:30:21.807 INFO [stderr]    Compiling mpsc-crypto-mining v0.1.0 (/source)
Dec 01 23:30:22.603 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 01 23:30:22.603 INFO [stderr]  --> src/main.rs:1:1
Dec 01 23:30:22.603 INFO [stderr]   |
Dec 01 23:30:22.603 INFO [stderr] 1 | #![feature(iterator_step_by)]
Dec 01 23:30:22.603 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 23:30:22.603 INFO [stderr] 
Dec 01 23:30:22.603 INFO [stderr] error: aborting due to previous error
Dec 01 23:30:22.603 INFO [stderr] 
Dec 01 23:30:22.603 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 23:30:22.613 INFO [stderr] error: Could not compile `mpsc-crypto-mining`.
Dec 01 23:30:22.613 INFO [stderr] 
Dec 01 23:30:22.613 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 23:30:22.613 INFO [stderr] su: No module specific data is present
Dec 01 23:30:23.325 INFO running `"docker" "inspect" "27e29816314275ab011c4ec7e4d3134ac46a8c3170593262ed426e69f9a2b485"`
Dec 01 23:30:23.585 INFO running `"docker" "rm" "-f" "27e29816314275ab011c4ec7e4d3134ac46a8c3170593262ed426e69f9a2b485"`
Dec 01 23:30:23.919 INFO [stdout] 27e29816314275ab011c4ec7e4d3134ac46a8c3170593262ed426e69f9a2b485
