Dec 17 22:34:47.344 INFO checking jamestthompson3/wasm_starter against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 22:34:47.344 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/jamestthompson3/wasm_starter:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:34:47.854 INFO [stdout] 41f08d027f2a384634fcd504e41d8567e5a4239ecf4db2090fde26c734c222eb
Dec 17 22:34:47.860 INFO running `"docker" "start" "-a" "41f08d027f2a384634fcd504e41d8567e5a4239ecf4db2090fde26c734c222eb"`
Dec 17 22:34:49.568 INFO [stderr]    Compiling wasm-bindgen-shared v0.2.13
Dec 17 22:34:49.568 INFO [stderr]    Compiling proc-macro2 v0.4.9
Dec 17 22:34:50.820 INFO [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Dec 17 22:34:50.820 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.9/src/unstable.rs:347:27
Dec 17 22:34:50.820 INFO [stderr]     |
Dec 17 22:34:50.820 INFO [stderr] 347 |             Span::Nightly(proc_macro::Span::def_site())
Dec 17 22:34:50.820 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:34:50.820 INFO [stderr]     |
Dec 17 22:34:50.820 INFO [stderr]     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Dec 17 22:34:50.820 INFO [stderr] 
Dec 17 22:34:50.838 INFO [stderr] error: aborting due to previous error
Dec 17 22:34:50.838 INFO [stderr] 
Dec 17 22:34:50.838 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 17 22:34:50.849 INFO [stderr] error: Could not compile `proc-macro2`.
Dec 17 22:34:50.849 INFO [stderr] 
Dec 17 22:34:50.849 INFO [stderr] To learn more, run the command again with --verbose.
Dec 17 22:34:51.279 INFO running `"docker" "inspect" "41f08d027f2a384634fcd504e41d8567e5a4239ecf4db2090fde26c734c222eb"`
Dec 17 22:34:51.433 INFO running `"docker" "rm" "-f" "41f08d027f2a384634fcd504e41d8567e5a4239ecf4db2090fde26c734c222eb"`
Dec 17 22:34:51.680 INFO [stdout] 41f08d027f2a384634fcd504e41d8567e5a4239ecf4db2090fde26c734c222eb