Dec 01 12:29:34.849 INFO documenting laurowag/webpack-rust against master#147e60c5f89cfa2d3ffc247413956a37582c98e7 for pr-55318-1
Dec 01 12:29:34.849 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-3/master#147e60c5f89cfa2d3ffc247413956a37582c98e7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 12:29:35.312 INFO [stdout] 479fe9ce2481c23f541c6aa639990d4deff195a5261ed2c055a1c28f10314908
Dec 01 12:29:35.314 INFO running `"docker" "start" "-a" "479fe9ce2481c23f541c6aa639990d4deff195a5261ed2c055a1c28f10314908"`
Dec 01 12:29:36.716 INFO [stderr] usermod: no changes
Dec 01 12:29:36.928 INFO [stderr]    Compiling serde v1.0.72
Dec 01 12:29:36.928 INFO [stderr]    Compiling wasm-bindgen-shared v0.2.17
Dec 01 12:29:36.940 INFO [stderr]    Compiling proc-macro2 v0.4.13
Dec 01 12:29:40.464 INFO [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Dec 01 12:29:40.464 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.13/src/unstable.rs:359:27
Dec 01 12:29:40.464 INFO [stderr]     |
Dec 01 12:29:40.464 INFO [stderr] 359 |             Span::Nightly(proc_macro::Span::def_site())
Dec 01 12:29:40.464 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:29:40.464 INFO [stderr]     |
Dec 01 12:29:40.464 INFO [stderr]     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Dec 01 12:29:40.464 INFO [stderr] 
Dec 01 12:29:40.476 INFO [stderr] error: aborting due to previous error
Dec 01 12:29:40.476 INFO [stderr] 
Dec 01 12:29:40.476 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 01 12:29:40.552 INFO [stderr] error: Could not compile `proc-macro2`.
Dec 01 12:29:40.552 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 01 12:29:50.355 INFO [stderr] error: build failed
Dec 01 12:29:50.357 INFO [stderr] su: No module specific data is present
Dec 01 12:29:50.655 INFO running `"docker" "inspect" "479fe9ce2481c23f541c6aa639990d4deff195a5261ed2c055a1c28f10314908"`
Dec 01 12:29:50.718 INFO running `"docker" "rm" "-f" "479fe9ce2481c23f541c6aa639990d4deff195a5261ed2c055a1c28f10314908"`
Dec 01 12:29:50.832 INFO [stdout] 479fe9ce2481c23f541c6aa639990d4deff195a5261ed2c055a1c28f10314908