Dec 05 09:30:07.530 INFO checking owned-singleton-0.1.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 09:30:07.530 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 09:30:07.879 INFO [stdout] 38500f3a10898be72f7f116d52eebd5cb1f440c21864eae09d2a9e8db2e4c08d
Dec 05 09:30:07.879 INFO running `"docker" "start" "-a" "38500f3a10898be72f7f116d52eebd5cb1f440c21864eae09d2a9e8db2e4c08d"`
Dec 05 09:30:08.811 INFO [stderr] usermod: no changes
Dec 05 09:30:08.885 INFO [stderr]     Checking stable_deref_trait v1.1.1
Dec 05 09:30:08.888 INFO [stderr]    Compiling syn v0.15.22
Dec 05 09:30:19.731 INFO [stderr]    Compiling owned-singleton-macros v0.1.0
Dec 05 09:30:21.939 INFO [stderr]     Checking owned-singleton v0.1.0 (/source)
Dec 05 09:30:22.467 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.63s
Dec 05 09:30:22.468 INFO [stderr] su: No module specific data is present
Dec 05 09:30:22.776 INFO running `"docker" "inspect" "38500f3a10898be72f7f116d52eebd5cb1f440c21864eae09d2a9e8db2e4c08d"`
Dec 05 09:30:22.862 INFO running `"docker" "rm" "-f" "38500f3a10898be72f7f116d52eebd5cb1f440c21864eae09d2a9e8db2e4c08d"`
Dec 05 09:30:22.986 INFO [stdout] 38500f3a10898be72f7f116d52eebd5cb1f440c21864eae09d2a9e8db2e4c08d