Dec 03 15:50:36.783 INFO testing cluuname-0.1.8 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 15:50:36.783 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 15:50:37.100 INFO [stdout] 3460c5c208ddbd8ddf25888d6a5833026a40157d4a0acd1f5bcfe936f92037ca
Dec 03 15:50:37.104 INFO running `"docker" "start" "-a" "3460c5c208ddbd8ddf25888d6a5833026a40157d4a0acd1f5bcfe936f92037ca"`
Dec 03 15:50:37.638 INFO [stderr] usermod: no changes
Dec 03 15:50:37.669 INFO [stderr]    Compiling clucstr v0.1.6
Dec 03 15:50:42.847 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 15:50:42.847 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/clucstr-0.1.6/src/lib.rs:155:1
Dec 03 15:50:42.847 INFO [stderr]     |
Dec 03 15:50:42.847 INFO [stderr] 155 | #![feature(plugin_registrar)]
Dec 03 15:50:42.847 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 15:50:42.847 INFO [stderr] 
Dec 03 15:50:42.847 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 15:50:42.847 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/clucstr-0.1.6/src/lib.rs:156:1
Dec 03 15:50:42.847 INFO [stderr]     |
Dec 03 15:50:42.847 INFO [stderr] 156 | #![feature(rustc_private)]
Dec 03 15:50:42.847 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 15:50:42.847 INFO [stderr] 
Dec 03 15:50:42.854 INFO [stderr] error: aborting due to 2 previous errors
Dec 03 15:50:42.855 INFO [stderr] 
Dec 03 15:50:42.855 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 15:50:42.855 INFO [stderr] error: Could not compile `clucstr`.
Dec 03 15:50:42.855 INFO [stderr] 
Dec 03 15:50:42.855 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 15:50:42.855 INFO [stderr] su: No module specific data is present
Dec 03 15:50:43.365 INFO running `"docker" "inspect" "3460c5c208ddbd8ddf25888d6a5833026a40157d4a0acd1f5bcfe936f92037ca"`
Dec 03 15:50:43.561 INFO running `"docker" "rm" "-f" "3460c5c208ddbd8ddf25888d6a5833026a40157d4a0acd1f5bcfe936f92037ca"`
Dec 03 15:50:43.740 INFO [stdout] 3460c5c208ddbd8ddf25888d6a5833026a40157d4a0acd1f5bcfe936f92037ca