Dec 05 09:30:04.068 INFO checking owned-singleton-macros-0.1.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 09:30:04.068 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 09:30:04.400 INFO [stdout] 4f61f8110ef5f87faa5985720a1074848585d02530bfd63c342bffe736bf4976
Dec 05 09:30:04.403 INFO running `"docker" "start" "-a" "4f61f8110ef5f87faa5985720a1074848585d02530bfd63c342bffe736bf4976"`
Dec 05 09:30:05.208 INFO [stderr] usermod: no changes
Dec 05 09:30:05.279 INFO [stderr]     Checking rand_core v0.2.2
Dec 05 09:30:05.279 INFO [stderr]     Checking syn v0.15.22
Dec 05 09:30:05.442 INFO [stderr]     Checking rand v0.5.5
Dec 05 09:30:10.231 INFO [stderr]     Checking owned-singleton-macros v0.1.0 (/source)
Dec 05 09:30:12.051 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.81s
Dec 05 09:30:12.075 INFO [stderr] su: No module specific data is present
Dec 05 09:30:13.024 INFO running `"docker" "inspect" "4f61f8110ef5f87faa5985720a1074848585d02530bfd63c342bffe736bf4976"`
Dec 05 09:30:13.140 INFO running `"docker" "rm" "-f" "4f61f8110ef5f87faa5985720a1074848585d02530bfd63c342bffe736bf4976"`
Dec 05 09:30:13.255 INFO [stdout] 4f61f8110ef5f87faa5985720a1074848585d02530bfd63c342bffe736bf4976