Dec 03 19:17:40.375 INFO testing argdata-0.1.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 19:17:40.375 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 03 19:17:40.711 INFO [stdout] 9518b3e572cb7ac600ce40e9f47d03a61209530ba02d679ff2412bef794131a2
Dec 03 19:17:40.717 INFO running `"docker" "start" "-a" "9518b3e572cb7ac600ce40e9f47d03a61209530ba02d679ff2412bef794131a2"`
Dec 03 19:17:41.264 INFO [stderr] usermod: no changes
Dec 03 19:17:41.295 INFO [stderr]    Compiling argdata v0.1.0 (/source)
Dec 03 19:17:41.903 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 19:17:41.903 INFO [stderr]  --> src/lib.rs:1:1
Dec 03 19:17:41.903 INFO [stderr]   |
Dec 03 19:17:41.903 INFO [stderr] 1 | #![feature(try_from)]
Dec 03 19:17:41.903 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 03 19:17:41.903 INFO [stderr] 
Dec 03 19:17:41.910 INFO [stderr] error: aborting due to previous error
Dec 03 19:17:41.910 INFO [stderr] 
Dec 03 19:17:41.910 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 19:17:41.911 INFO [stderr] error: Could not compile `argdata`.
Dec 03 19:17:41.911 INFO [stderr] 
Dec 03 19:17:41.911 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 19:17:41.912 INFO [stderr] su: No module specific data is present
Dec 03 19:17:42.211 INFO running `"docker" "inspect" "9518b3e572cb7ac600ce40e9f47d03a61209530ba02d679ff2412bef794131a2"`
Dec 03 19:17:42.495 INFO running `"docker" "rm" "-f" "9518b3e572cb7ac600ce40e9f47d03a61209530ba02d679ff2412bef794131a2"`
Dec 03 19:17:42.803 INFO [stdout] 9518b3e572cb7ac600ce40e9f47d03a61209530ba02d679ff2412bef794131a2