Dec 02 08:36:50.713 INFO testing ColbyCypherSociety/ChatDemo against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 08:36:50.714 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 02 08:36:51.119 INFO [stdout] 7f5bbe94c89047a46bb7eec6e8cc3bfa7c5fdb871a8f384db7d3215040f56cf9
Dec 02 08:36:51.127 INFO running `"docker" "start" "-a" "7f5bbe94c89047a46bb7eec6e8cc3bfa7c5fdb871a8f384db7d3215040f56cf9"`
Dec 02 08:36:52.627 INFO [stderr] usermod: no changes
Dec 02 08:36:52.828 INFO [stderr]    Compiling wasm-bindgen-shared v0.2.17
Dec 02 08:36:52.831 INFO [stderr]    Compiling proc-macro2 v0.4.13
Dec 02 08:36:52.855 INFO [stderr]    Compiling num-bigint v0.2.0
Dec 02 08:36:57.644 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 08:36:57.644 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.13/src/lib.rs:49:5
Dec 02 08:36:57.644 INFO [stderr]    |
Dec 02 08:36:57.644 INFO [stderr] 49 |     feature(proc_macro_raw_ident, proc_macro_span)
Dec 02 08:36:57.644 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:36:57.644 INFO [stderr] 
Dec 02 08:36:57.651 INFO [stderr] error: aborting due to previous error
Dec 02 08:36:57.651 INFO [stderr] 
Dec 02 08:36:57.651 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 08:36:57.664 INFO [stderr] error: Could not compile `proc-macro2`.
Dec 02 08:36:57.664 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 02 08:36:58.773 INFO [stderr] error: build failed
Dec 02 08:36:58.775 INFO [stderr] su: No module specific data is present
Dec 02 08:36:59.401 INFO running `"docker" "inspect" "7f5bbe94c89047a46bb7eec6e8cc3bfa7c5fdb871a8f384db7d3215040f56cf9"`
Dec 02 08:36:59.653 INFO running `"docker" "rm" "-f" "7f5bbe94c89047a46bb7eec6e8cc3bfa7c5fdb871a8f384db7d3215040f56cf9"`
Dec 02 08:36:59.957 INFO [stdout] 7f5bbe94c89047a46bb7eec6e8cc3bfa7c5fdb871a8f384db7d3215040f56cf9
