Dec 05 08:53:12.560 INFO checking proc_macro_helper-0.3.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 08:53:12.560 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 05 08:53:13.006 INFO [stdout] c82208b1ff3e70871eb621a9cce9ea349a8288d6a05053350a0934cabaa35668
Dec 05 08:53:13.008 INFO running `"docker" "start" "-a" "c82208b1ff3e70871eb621a9cce9ea349a8288d6a05053350a0934cabaa35668"`
Dec 05 08:53:14.372 INFO [stderr] usermod: no changes
Dec 05 08:53:14.423 INFO [stderr]     Checking proc-macro2 v0.4.24
Dec 05 08:53:15.659 INFO [stderr]     Checking quote v0.6.10
Dec 05 08:53:16.231 INFO [stderr]     Checking syn v0.15.22
Dec 05 08:53:20.478 INFO [stderr]     Checking proc_macro_helper v0.3.0 (/source)
Dec 05 08:53:21.638 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.25s
Dec 05 08:53:21.651 INFO [stderr] su: No module specific data is present
Dec 05 08:53:22.210 INFO running `"docker" "inspect" "c82208b1ff3e70871eb621a9cce9ea349a8288d6a05053350a0934cabaa35668"`
Dec 05 08:53:22.381 INFO running `"docker" "rm" "-f" "c82208b1ff3e70871eb621a9cce9ea349a8288d6a05053350a0934cabaa35668"`
Dec 05 08:53:22.643 INFO [stdout] c82208b1ff3e70871eb621a9cce9ea349a8288d6a05053350a0934cabaa35668