Dec 04 22:51:31.439 INFO checking alexandermccormick/wasm-conways-game-of-life against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 22:51:31.440 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 22:51:31.947 INFO [stdout] 73fe2df960c75c19734697c760e2cdfbee22b9e4afa73b2fa5eda68c1e2119ff
Dec 04 22:51:31.949 INFO running `"docker" "start" "-a" "73fe2df960c75c19734697c760e2cdfbee22b9e4afa73b2fa5eda68c1e2119ff"`
Dec 04 22:51:33.650 INFO [stderr] usermod: no changes
Dec 04 22:51:33.795 INFO [stderr]    Compiling wasm-bindgen-shared v0.2.17
Dec 04 22:51:33.795 INFO [stderr]    Compiling proc-macro2 v0.4.9
Dec 04 22:51:34.911 INFO [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Dec 04 22:51:34.911 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.9/src/unstable.rs:347:27
Dec 04 22:51:34.911 INFO [stderr]     |
Dec 04 22:51:34.911 INFO [stderr] 347 |             Span::Nightly(proc_macro::Span::def_site())
Dec 04 22:51:34.911 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:51:34.911 INFO [stderr]     |
Dec 04 22:51:34.911 INFO [stderr]     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Dec 04 22:51:34.911 INFO [stderr] 
Dec 04 22:51:34.946 INFO [stderr] error: aborting due to previous error
Dec 04 22:51:34.946 INFO [stderr] 
Dec 04 22:51:34.946 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 04 22:51:34.967 INFO [stderr] error: Could not compile `proc-macro2`.
Dec 04 22:51:34.967 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 04 22:51:35.207 INFO [stderr] error: build failed
Dec 04 22:51:35.208 INFO [stderr] su: No module specific data is present
Dec 04 22:51:35.837 INFO running `"docker" "inspect" "73fe2df960c75c19734697c760e2cdfbee22b9e4afa73b2fa5eda68c1e2119ff"`
Dec 04 22:51:36.089 INFO running `"docker" "rm" "-f" "73fe2df960c75c19734697c760e2cdfbee22b9e4afa73b2fa5eda68c1e2119ff"`
Dec 04 22:51:36.379 INFO [stdout] 73fe2df960c75c19734697c760e2cdfbee22b9e4afa73b2fa5eda68c1e2119ff