Oct 12 20:01:51.798 INFO checking jamestthompson3/wasm_starter against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 20:01:51.799 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 20:01:52.220 INFO blam! 528a145f77a9256f38bf858d06d2277a49152f82ced8a5a2e8d06e2e2bc5fd20
Oct 12 20:01:52.234 INFO running `"docker" "start" "-a" "528a145f77a9256f38bf858d06d2277a49152f82ced8a5a2e8d06e2e2bc5fd20"`
Oct 12 20:01:53.424 INFO kablam! usermod: no changes
Oct 12 20:01:53.568 INFO kablam!    Compiling wasm-bindgen-shared v0.2.13
Oct 12 20:01:53.569 INFO kablam!    Compiling proc-macro2 v0.4.9
Oct 12 20:01:56.220 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Oct 12 20:01:56.220 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.9/src/unstable.rs:347:27
Oct 12 20:01:56.220 INFO kablam!     |
Oct 12 20:01:56.220 INFO kablam! 347 |             Span::Nightly(proc_macro::Span::def_site())
Oct 12 20:01:56.220 INFO kablam!     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:01:56.220 INFO kablam!     |
Oct 12 20:01:56.220 INFO kablam!     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Oct 12 20:01:56.220 INFO kablam! 
Oct 12 20:01:56.244 INFO kablam! error: aborting due to previous error
Oct 12 20:01:56.244 INFO kablam! 
Oct 12 20:01:56.248 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Oct 12 20:01:56.264 INFO kablam! error: Could not compile `proc-macro2`.
Oct 12 20:01:56.264 INFO kablam! 
Oct 12 20:01:56.264 INFO kablam! To learn more, run the command again with --verbose.
Oct 12 20:01:56.264 INFO kablam! su: No module specific data is present
Oct 12 20:01:57.147 INFO running `"docker" "rm" "-f" "528a145f77a9256f38bf858d06d2277a49152f82ced8a5a2e8d06e2e2bc5fd20"`
Oct 12 20:01:57.668 INFO blam! 528a145f77a9256f38bf858d06d2277a49152f82ced8a5a2e8d06e2e2bc5fd20