Dec 04 16:43:14.212 INFO checking jeremyBanks/tprime against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 16:43:14.212 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 16:43:14.671 INFO [stdout] bafeb2a31cd459758f8afabc5b3bad83776fd82d281fa69efd7e9b2f861c0173
Dec 04 16:43:14.673 INFO running `"docker" "start" "-a" "bafeb2a31cd459758f8afabc5b3bad83776fd82d281fa69efd7e9b2f861c0173"`
Dec 04 16:43:17.042 INFO [stderr] usermod: no changes
Dec 04 16:43:17.127 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 04 16:43:17.285 INFO [stderr]    Compiling wasm-bindgen-shared v0.2.15
Dec 04 16:43:17.299 INFO [stderr]     Checking rand_core v0.2.1
Dec 04 16:43:17.299 INFO [stderr]     Checking web-sys v0.0.1
Dec 04 16:43:17.299 INFO [stderr]    Compiling proc-macro2 v0.4.9
Dec 04 16:43:17.304 INFO [stderr]    Compiling serde v1.0.71
Dec 04 16:43:17.324 INFO [stderr]    Compiling serdebug v1.0.5
Dec 04 16:43:19.544 INFO [stderr]     Checking rand v0.5.5
Dec 04 16:43:19.741 INFO [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Dec 04 16:43:19.741 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.9/src/unstable.rs:347:27
Dec 04 16:43:19.741 INFO [stderr]     |
Dec 04 16:43:19.741 INFO [stderr] 347 |             Span::Nightly(proc_macro::Span::def_site())
Dec 04 16:43:19.741 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:43:19.741 INFO [stderr]     |
Dec 04 16:43:19.741 INFO [stderr]     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Dec 04 16:43:19.741 INFO [stderr] 
Dec 04 16:43:19.772 INFO [stderr] error: aborting due to previous error
Dec 04 16:43:19.772 INFO [stderr] 
Dec 04 16:43:19.773 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 04 16:43:19.782 INFO [stderr] error: Could not compile `proc-macro2`.
Dec 04 16:43:19.782 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 04 16:43:29.998 INFO [stderr] error: build failed
Dec 04 16:43:30.007 INFO [stderr] su: No module specific data is present
Dec 04 16:43:31.539 INFO running `"docker" "inspect" "bafeb2a31cd459758f8afabc5b3bad83776fd82d281fa69efd7e9b2f861c0173"`
Dec 04 16:43:31.873 INFO running `"docker" "rm" "-f" "bafeb2a31cd459758f8afabc5b3bad83776fd82d281fa69efd7e9b2f861c0173"`
Dec 04 16:43:32.163 INFO [stdout] bafeb2a31cd459758f8afabc5b3bad83776fd82d281fa69efd7e9b2f861c0173