Dec 01 21:56:57.664 INFO documenting NicBonetto/game-of-life against master#147e60c5f89cfa2d3ffc247413956a37582c98e7 for pr-55318-1
Dec 01 21:56:57.664 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-6/master#147e60c5f89cfa2d3ffc247413956a37582c98e7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55318-1/master#147e60c5f89cfa2d3ffc247413956a37582c98e7:/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 +147e60c5f89cfa2d3ffc247413956a37582c98e7-alt doc --frozen --no-deps --document-private-items" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 21:56:58.052 INFO [stdout] 2bc96837a027d96f699cb6853ecc2973a44f378286064d78e5da67a42fc31e74
Dec 01 21:56:58.054 INFO running `"docker" "start" "-a" "2bc96837a027d96f699cb6853ecc2973a44f378286064d78e5da67a42fc31e74"`
Dec 01 21:56:59.310 INFO [stderr] usermod: no changes
Dec 01 21:56:59.440 INFO [stderr]    Compiling wasm-bindgen-shared v0.2.13
Dec 01 21:56:59.444 INFO [stderr]    Compiling proc-macro2 v0.4.9
Dec 01 21:57:01.964 INFO [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Dec 01 21:57:01.964 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.9/src/unstable.rs:347:27
Dec 01 21:57:01.964 INFO [stderr]     |
Dec 01 21:57:01.965 INFO [stderr] 347 |             Span::Nightly(proc_macro::Span::def_site())
Dec 01 21:57:01.965 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:57:01.965 INFO [stderr]     |
Dec 01 21:57:01.965 INFO [stderr]     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Dec 01 21:57:01.965 INFO [stderr] 
Dec 01 21:57:01.985 INFO [stderr] error: aborting due to previous error
Dec 01 21:57:01.985 INFO [stderr] 
Dec 01 21:57:01.985 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 01 21:57:01.998 INFO [stderr] error: Could not compile `proc-macro2`.
Dec 01 21:57:01.998 INFO [stderr] 
Dec 01 21:57:01.998 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 21:57:02.000 INFO [stderr] su: No module specific data is present
Dec 01 21:57:03.176 INFO running `"docker" "inspect" "2bc96837a027d96f699cb6853ecc2973a44f378286064d78e5da67a42fc31e74"`
Dec 01 21:57:03.568 INFO running `"docker" "rm" "-f" "2bc96837a027d96f699cb6853ecc2973a44f378286064d78e5da67a42fc31e74"`
Dec 01 21:57:03.864 INFO [stdout] 2bc96837a027d96f699cb6853ecc2973a44f378286064d78e5da67a42fc31e74