Dec 01 21:56:51.320 INFO documenting NicBonetto/game-of-life against try#f86f76f89ea2b1ccbfb3741962ec2029d878a389 for pr-55318-1
Dec 01 21:56:51.320 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-1/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55318-1/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/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 +f86f76f89ea2b1ccbfb3741962ec2029d878a389-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 21:56:51.785 INFO [stdout] f0f9b67c1bd4d316ee49c4de5f5a0e86b4492da0f9987663d2ed53cd46b2b52f
Dec 01 21:56:51.788 INFO running `"docker" "start" "-a" "f0f9b67c1bd4d316ee49c4de5f5a0e86b4492da0f9987663d2ed53cd46b2b52f"`
Dec 01 21:56:54.080 INFO [stderr] usermod: no changes
Dec 01 21:56:54.304 INFO [stderr]    Compiling wasm-bindgen-shared v0.2.13
Dec 01 21:56:54.304 INFO [stderr]    Compiling proc-macro2 v0.4.9
Dec 01 21:56:57.188 INFO [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Dec 01 21:56:57.188 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.9/src/unstable.rs:347:27
Dec 01 21:56:57.188 INFO [stderr]     |
Dec 01 21:56:57.188 INFO [stderr] 347 |             Span::Nightly(proc_macro::Span::def_site())
Dec 01 21:56:57.188 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:56:57.188 INFO [stderr]     |
Dec 01 21:56:57.188 INFO [stderr]     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Dec 01 21:56:57.188 INFO [stderr] 
Dec 01 21:56:57.216 INFO [stderr] error: aborting due to previous error
Dec 01 21:56:57.216 INFO [stderr] 
Dec 01 21:56:57.216 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 01 21:56:57.238 INFO [stderr] error: Could not compile `proc-macro2`.
Dec 01 21:56:57.238 INFO [stderr] 
Dec 01 21:56:57.238 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 21:56:57.239 INFO [stderr] su: No module specific data is present
Dec 01 21:56:57.938 INFO running `"docker" "inspect" "f0f9b67c1bd4d316ee49c4de5f5a0e86b4492da0f9987663d2ed53cd46b2b52f"`
Dec 01 21:56:58.189 INFO running `"docker" "rm" "-f" "f0f9b67c1bd4d316ee49c4de5f5a0e86b4492da0f9987663d2ed53cd46b2b52f"`
Dec 01 21:56:58.624 INFO [stdout] f0f9b67c1bd4d316ee49c4de5f5a0e86b4492da0f9987663d2ed53cd46b2b52f