Nov 17 09:44:59.082 INFO testing alexandermccormick/wasm-conways-game-of-life against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 09:44:59.082 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-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"`
Nov 17 09:44:59.276 INFO [stdout] 932e7839eb093f9b2538e11b6360228af863cce46614cddfa1ae8790b925f521
Nov 17 09:44:59.280 INFO running `"docker" "start" "-a" "932e7839eb093f9b2538e11b6360228af863cce46614cddfa1ae8790b925f521"`
Nov 17 09:44:59.713 INFO [stderr] usermod: no changes
Nov 17 09:44:59.779 INFO [stderr]    Compiling wasm-bindgen-shared v0.2.17
Nov 17 09:44:59.780 INFO [stderr]    Compiling proc-macro2 v0.4.9
Nov 17 09:45:02.267 INFO [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Nov 17 09:45:02.267 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.9/src/unstable.rs:347:27
Nov 17 09:45:02.267 INFO [stderr]     |
Nov 17 09:45:02.267 INFO [stderr] 347 |             Span::Nightly(proc_macro::Span::def_site())
Nov 17 09:45:02.267 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 09:45:02.267 INFO [stderr]     |
Nov 17 09:45:02.267 INFO [stderr]     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Nov 17 09:45:02.267 INFO [stderr] 
Nov 17 09:45:02.287 INFO [stderr] error: aborting due to previous error
Nov 17 09:45:02.287 INFO [stderr] 
Nov 17 09:45:02.287 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Nov 17 09:45:02.300 INFO [stderr] error: Could not compile `proc-macro2`.
Nov 17 09:45:02.300 INFO [stderr] 
Nov 17 09:45:02.300 INFO [stderr] To learn more, run the command again with --verbose.
Nov 17 09:45:02.302 INFO [stderr] su: No module specific data is present
Nov 17 09:45:03.381 INFO running `"docker" "inspect" "932e7839eb093f9b2538e11b6360228af863cce46614cddfa1ae8790b925f521"`
Nov 17 09:45:03.753 INFO running `"docker" "rm" "-f" "932e7839eb093f9b2538e11b6360228af863cce46614cddfa1ae8790b925f521"`
Nov 17 09:45:04.090 INFO [stdout] 932e7839eb093f9b2538e11b6360228af863cce46614cddfa1ae8790b925f521