Dec 12 18:03:26.314 INFO checking arc-swap-0.3.6 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 18:03:26.314 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 18:03:26.519 INFO [stdout] f4a817d8164b5a4e1e38d4b86103be5ab65edd3f9722cdab79efb1a681412fc8
Dec 12 18:03:26.522 INFO running `"docker" "start" "-a" "f4a817d8164b5a4e1e38d4b86103be5ab65edd3f9722cdab79efb1a681412fc8"`
Dec 12 18:03:26.948 INFO [stderr] usermod: no changes
Dec 12 18:03:27.146 INFO [stderr]     Checking arc-swap v0.3.6 (/source)
Dec 12 18:03:27.148 INFO [stderr]     Checking rand v0.4.3
Dec 12 18:03:27.150 INFO [stderr]     Checking crossbeam v0.5.0
Dec 12 18:03:29.116 INFO [stderr]     Checking proptest v0.7.2
Dec 12 18:03:38.552 INFO [stderr]     Checking model v0.0.4
Dec 12 18:03:46.296 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.32s
Dec 12 18:03:46.300 INFO [stderr] su: No module specific data is present
Dec 12 18:03:46.678 INFO running `"docker" "inspect" "f4a817d8164b5a4e1e38d4b86103be5ab65edd3f9722cdab79efb1a681412fc8"`
Dec 12 18:03:46.814 INFO running `"docker" "rm" "-f" "f4a817d8164b5a4e1e38d4b86103be5ab65edd3f9722cdab79efb1a681412fc8"`
Dec 12 18:03:46.968 INFO [stdout] f4a817d8164b5a4e1e38d4b86103be5ab65edd3f9722cdab79efb1a681412fc8