Nov 02 18:26:26.682 INFO checking alexandermccormick/wasm-conways-game-of-life against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 18:26:26.682 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-0/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 02 18:26:27.019 INFO blam! 254ad2dac7d1b533d6ff16fe1b43a2b1dee43f8506cec3e1631cf7d0fe4b2ce2
Nov 02 18:26:27.020 INFO running `"docker" "start" "-a" "254ad2dac7d1b533d6ff16fe1b43a2b1dee43f8506cec3e1631cf7d0fe4b2ce2"`
Nov 02 18:26:28.807 INFO kablam! usermod: no changes
Nov 02 18:26:28.926 INFO kablam!    Compiling wasm-bindgen-shared v0.2.17
Nov 02 18:26:28.928 INFO kablam!    Compiling proc-macro2 v0.4.9
Nov 02 18:26:32.347 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Nov 02 18:26:32.348 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.9/src/unstable.rs:347:27
Nov 02 18:26:32.348 INFO kablam!     |
Nov 02 18:26:32.348 INFO kablam! 347 |             Span::Nightly(proc_macro::Span::def_site())
Nov 02 18:26:32.348 INFO kablam!     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 18:26:32.348 INFO kablam!     |
Nov 02 18:26:32.348 INFO kablam!     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Nov 02 18:26:32.348 INFO kablam! 
Nov 02 18:26:32.372 INFO kablam! error: aborting due to previous error
Nov 02 18:26:32.373 INFO kablam! 
Nov 02 18:26:32.373 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Nov 02 18:26:32.384 INFO kablam! error: Could not compile `proc-macro2`.
Nov 02 18:26:32.384 INFO kablam! 
Nov 02 18:26:32.384 INFO kablam! To learn more, run the command again with --verbose.
Nov 02 18:26:32.387 INFO kablam! su: No module specific data is present
Nov 02 18:26:33.428 INFO running `"docker" "rm" "-f" "254ad2dac7d1b533d6ff16fe1b43a2b1dee43f8506cec3e1631cf7d0fe4b2ce2"`
Nov 02 18:26:33.664 INFO blam! 254ad2dac7d1b533d6ff16fe1b43a2b1dee43f8506cec3e1631cf7d0fe4b2ce2