Dec 05 09:30:06.071 INFO checking owned-singleton-macros-0.1.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 09:30:06.071 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 09:30:06.683 INFO [stdout] a33c2dd3f78dc64ffac1e31b7989a754d1693b626445a3270cd7eeeafefbfbce
Dec 05 09:30:06.686 INFO running `"docker" "start" "-a" "a33c2dd3f78dc64ffac1e31b7989a754d1693b626445a3270cd7eeeafefbfbce"`
Dec 05 09:30:07.255 INFO [stderr] usermod: no changes
Dec 05 09:30:07.320 INFO [stderr]     Checking rand_core v0.3.0
Dec 05 09:30:07.323 INFO [stderr]     Checking syn v0.15.22
Dec 05 09:30:07.692 INFO [stderr]     Checking rand_core v0.2.2
Dec 05 09:30:07.776 INFO [stderr]     Checking rand v0.5.5
Dec 05 09:30:11.959 INFO [stderr]     Checking owned-singleton-macros v0.1.0 (/source)
Dec 05 09:30:12.991 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.69s
Dec 05 09:30:12.995 INFO [stderr] su: No module specific data is present
Dec 05 09:30:13.321 INFO running `"docker" "inspect" "a33c2dd3f78dc64ffac1e31b7989a754d1693b626445a3270cd7eeeafefbfbce"`
Dec 05 09:30:13.448 INFO running `"docker" "rm" "-f" "a33c2dd3f78dc64ffac1e31b7989a754d1693b626445a3270cd7eeeafefbfbce"`
Dec 05 09:30:13.608 INFO [stdout] a33c2dd3f78dc64ffac1e31b7989a754d1693b626445a3270cd7eeeafefbfbce