Dec 19 06:39:24.185 INFO checking tscr00/rust-wasm-test against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 06:39:24.185 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/tscr00/rust-wasm-test:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 06:39:24.796 INFO [stdout] 73c4853b3a26dbd5892df6b96ff5f7b847bee83c652c4a2d33ba2adcff71ae24
Dec 19 06:39:24.796 INFO running `"docker" "start" "-a" "73c4853b3a26dbd5892df6b96ff5f7b847bee83c652c4a2d33ba2adcff71ae24"`
Dec 19 06:39:26.232 INFO [stderr]    Compiling proc-macro2 v0.4.13
Dec 19 06:39:26.236 INFO [stderr]    Compiling ryu v0.2.4
Dec 19 06:39:26.236 INFO [stderr]    Compiling serde v1.0.72
Dec 19 06:39:26.236 INFO [stderr]    Compiling wasm-bindgen-shared v0.2.17
Dec 19 06:39:26.236 INFO [stderr]    Compiling log v0.4.4
Dec 19 06:39:29.415 INFO [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Dec 19 06:39:29.415 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.13/src/unstable.rs:359:27
Dec 19 06:39:29.415 INFO [stderr]     |
Dec 19 06:39:29.416 INFO [stderr] 359 |             Span::Nightly(proc_macro::Span::def_site())
Dec 19 06:39:29.416 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:39:29.416 INFO [stderr]     |
Dec 19 06:39:29.417 INFO [stderr]     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Dec 19 06:39:29.417 INFO [stderr] 
Dec 19 06:39:29.452 INFO [stderr] error: aborting due to previous error
Dec 19 06:39:29.453 INFO [stderr] 
Dec 19 06:39:29.453 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 19 06:39:29.468 INFO [stderr] error: Could not compile `proc-macro2`.
Dec 19 06:39:29.469 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 06:39:40.284 INFO [stderr] error: build failed
Dec 19 06:39:40.906 INFO running `"docker" "inspect" "73c4853b3a26dbd5892df6b96ff5f7b847bee83c652c4a2d33ba2adcff71ae24"`
Dec 19 06:39:41.202 INFO running `"docker" "rm" "-f" "73c4853b3a26dbd5892df6b96ff5f7b847bee83c652c4a2d33ba2adcff71ae24"`
Dec 19 06:39:41.532 INFO [stdout] 73c4853b3a26dbd5892df6b96ff5f7b847bee83c652c4a2d33ba2adcff71ae24