Dec 02 04:58:01.512 INFO testing NicBonetto/game-of-life against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 04:58:01.512 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 04:58:02.280 INFO [stdout] b435f0baf33190a46325148b37b0f028a5afeccfc9d8e401bdada9a8ad81dac5
Dec 02 04:58:02.283 INFO running `"docker" "start" "-a" "b435f0baf33190a46325148b37b0f028a5afeccfc9d8e401bdada9a8ad81dac5"`
Dec 02 04:58:03.594 INFO [stderr] usermod: no changes
Dec 02 04:58:03.762 INFO [stderr]    Compiling wasm-bindgen-shared v0.2.13
Dec 02 04:58:03.767 INFO [stderr]    Compiling proc-macro2 v0.4.9
Dec 02 04:58:07.055 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 04:58:07.055 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.9/src/lib.rs:47:34
Dec 02 04:58:07.055 INFO [stderr]    |
Dec 02 04:58:07.055 INFO [stderr] 47 | #![cfg_attr(feature = "nightly", feature(proc_macro_raw_ident, proc_macro_span))]
Dec 02 04:58:07.055 INFO [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:58:07.055 INFO [stderr] 
Dec 02 04:58:07.071 INFO [stderr] error: aborting due to previous error
Dec 02 04:58:07.071 INFO [stderr] 
Dec 02 04:58:07.071 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 04:58:07.083 INFO [stderr] error: Could not compile `proc-macro2`.
Dec 02 04:58:07.083 INFO [stderr] 
Dec 02 04:58:07.083 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 04:58:07.083 INFO [stderr] su: No module specific data is present
Dec 02 04:58:07.935 INFO running `"docker" "inspect" "b435f0baf33190a46325148b37b0f028a5afeccfc9d8e401bdada9a8ad81dac5"`
Dec 02 04:58:08.197 INFO running `"docker" "rm" "-f" "b435f0baf33190a46325148b37b0f028a5afeccfc9d8e401bdada9a8ad81dac5"`
Dec 02 04:58:08.467 INFO [stdout] b435f0baf33190a46325148b37b0f028a5afeccfc9d8e401bdada9a8ad81dac5