Nov 04 10:37:14.847 INFO checking alexandermccormick/wasm-conways-game-of-life against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 04 10:37:14.847 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-5/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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"`
Nov 04 10:37:15.406 INFO blam! 60751187fc3398b92757c7d79715a25f8fdf0c2ec0c115635b41f101af93601e
Nov 04 10:37:15.409 INFO running `"docker" "start" "-a" "60751187fc3398b92757c7d79715a25f8fdf0c2ec0c115635b41f101af93601e"`
Nov 04 10:37:17.182 INFO kablam! usermod: no changes
Nov 04 10:37:17.287 INFO kablam!    Compiling wasm-bindgen-shared v0.2.17
Nov 04 10:37:17.293 INFO kablam!    Compiling proc-macro2 v0.4.9
Nov 04 10:37:20.667 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Nov 04 10:37:20.668 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.9/src/unstable.rs:347:27
Nov 04 10:37:20.668 INFO kablam!     |
Nov 04 10:37:20.668 INFO kablam! 347 |             Span::Nightly(proc_macro::Span::def_site())
Nov 04 10:37:20.669 INFO kablam!     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 10:37:20.669 INFO kablam!     |
Nov 04 10:37:20.669 INFO kablam!     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Nov 04 10:37:20.670 INFO kablam! 
Nov 04 10:37:20.691 INFO kablam! error: aborting due to previous error
Nov 04 10:37:20.692 INFO kablam! 
Nov 04 10:37:20.692 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Nov 04 10:37:20.727 INFO kablam! error: Could not compile `proc-macro2`.
Nov 04 10:37:20.728 INFO kablam! 
Nov 04 10:37:20.728 INFO kablam! To learn more, run the command again with --verbose.
Nov 04 10:37:20.729 INFO kablam! su: No module specific data is present
Nov 04 10:37:21.598 INFO running `"docker" "rm" "-f" "60751187fc3398b92757c7d79715a25f8fdf0c2ec0c115635b41f101af93601e"`
Nov 04 10:37:21.975 INFO blam! 60751187fc3398b92757c7d79715a25f8fdf0c2ec0c115635b41f101af93601e