Nov 01 08:55:13.156 INFO checking alexandermccormick/wasm-conways-game-of-life against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 08:55:13.156 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-2/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 01 08:55:13.613 INFO blam! 258aa11173061af7e2e14026e79640f9d00b36f036da6477bd7789ad87b96883
Nov 01 08:55:13.614 INFO running `"docker" "start" "-a" "258aa11173061af7e2e14026e79640f9d00b36f036da6477bd7789ad87b96883"`
Nov 01 08:55:15.877 INFO kablam! usermod: no changes
Nov 01 08:55:16.024 INFO kablam!    Compiling proc-macro2 v0.4.9
Nov 01 08:55:16.024 INFO kablam!    Compiling serde_json v1.0.24
Nov 01 08:55:20.344 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Nov 01 08:55:20.345 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.9/src/unstable.rs:347:27
Nov 01 08:55:20.346 INFO kablam!     |
Nov 01 08:55:20.347 INFO kablam! 347 |             Span::Nightly(proc_macro::Span::def_site())
Nov 01 08:55:20.348 INFO kablam!     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:55:20.348 INFO kablam!     |
Nov 01 08:55:20.349 INFO kablam!     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Nov 01 08:55:20.349 INFO kablam! 
Nov 01 08:55:20.375 INFO kablam! error: aborting due to previous error
Nov 01 08:55:20.375 INFO kablam! 
Nov 01 08:55:20.376 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Nov 01 08:55:20.390 INFO kablam! error: Could not compile `proc-macro2`.
Nov 01 08:55:20.391 INFO kablam! warning: build failed, waiting for other jobs to finish...
Nov 01 08:55:22.667 INFO kablam! error: build failed
Nov 01 08:55:22.672 INFO kablam! su: No module specific data is present
Nov 01 08:55:23.351 INFO running `"docker" "rm" "-f" "258aa11173061af7e2e14026e79640f9d00b36f036da6477bd7789ad87b96883"`
Nov 01 08:55:23.604 INFO blam! 258aa11173061af7e2e14026e79640f9d00b36f036da6477bd7789ad87b96883