Dec 12 09:48:03.100 INFO checking proc_macro_helper-0.3.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 09:48:03.100 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 09:48:03.484 INFO [stdout] 215aa06769ef0a218547b55bee7718c7fe5411a948f999f56021754e4f07bd65
Dec 12 09:48:03.490 INFO running `"docker" "start" "-a" "215aa06769ef0a218547b55bee7718c7fe5411a948f999f56021754e4f07bd65"`
Dec 12 09:48:04.508 INFO [stderr] usermod: no changes
Dec 12 09:48:04.572 INFO [stderr]     Checking syn v0.15.22
Dec 12 09:48:08.870 INFO [stderr]     Checking proc_macro_helper v0.3.0 (/source)
Dec 12 09:48:09.900 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.37s
Dec 12 09:48:09.903 INFO [stderr] su: No module specific data is present
Dec 12 09:48:10.326 INFO running `"docker" "inspect" "215aa06769ef0a218547b55bee7718c7fe5411a948f999f56021754e4f07bd65"`
Dec 12 09:48:10.708 INFO running `"docker" "rm" "-f" "215aa06769ef0a218547b55bee7718c7fe5411a948f999f56021754e4f07bd65"`
Dec 12 09:48:11.020 INFO [stdout] 215aa06769ef0a218547b55bee7718c7fe5411a948f999f56021754e4f07bd65