Dec 13 16:03:33.164 INFO testing jamestthompson3/wasm_starter against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 16:03:33.164 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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"`
Dec 13 16:03:33.711 INFO [stdout] c2df7fbdae156d9f6567c7e576b9c21ea3f87a6e9548f7ea0d90c70aed46314b
Dec 13 16:03:33.716 INFO running `"docker" "start" "-a" "c2df7fbdae156d9f6567c7e576b9c21ea3f87a6e9548f7ea0d90c70aed46314b"`
Dec 13 16:03:35.123 INFO [stderr] usermod: no changes
Dec 13 16:03:35.255 INFO [stderr]    Compiling wasm-bindgen-shared v0.2.13
Dec 13 16:03:35.261 INFO [stderr]    Compiling proc-macro2 v0.4.9
Dec 13 16:03:36.235 INFO [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Dec 13 16:03:36.235 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.9/src/unstable.rs:347:27
Dec 13 16:03:36.235 INFO [stderr]     |
Dec 13 16:03:36.235 INFO [stderr] 347 |             Span::Nightly(proc_macro::Span::def_site())
Dec 13 16:03:36.235 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:03:36.235 INFO [stderr]     |
Dec 13 16:03:36.235 INFO [stderr]     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Dec 13 16:03:36.235 INFO [stderr] 
Dec 13 16:03:36.252 INFO [stderr] error: aborting due to previous error
Dec 13 16:03:36.252 INFO [stderr] 
Dec 13 16:03:36.252 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 13 16:03:36.259 INFO [stderr] error: Could not compile `proc-macro2`.
Dec 13 16:03:36.259 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 13 16:03:36.308 INFO [stderr] error: build failed
Dec 13 16:03:36.309 INFO [stderr] su: No module specific data is present
Dec 13 16:03:36.832 INFO running `"docker" "inspect" "c2df7fbdae156d9f6567c7e576b9c21ea3f87a6e9548f7ea0d90c70aed46314b"`
Dec 13 16:03:36.981 INFO running `"docker" "rm" "-f" "c2df7fbdae156d9f6567c7e576b9c21ea3f87a6e9548f7ea0d90c70aed46314b"`
Dec 13 16:03:37.073 INFO [stdout] c2df7fbdae156d9f6567c7e576b9c21ea3f87a6e9548f7ea0d90c70aed46314b