Dec 04 23:20:23.057 INFO checking ZacharyKamerling/persistence against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 23:20:23.057 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 04 23:20:23.540 INFO [stdout] 7cc5bd3361c93703d45b7d4cf7115eac0e77c910cfd52efd5bc411ae32ca5edc
Dec 04 23:20:23.542 INFO running `"docker" "start" "-a" "7cc5bd3361c93703d45b7d4cf7115eac0e77c910cfd52efd5bc411ae32ca5edc"`
Dec 04 23:20:25.357 INFO [stderr] usermod: no changes
Dec 04 23:20:25.553 INFO [stderr]     Checking mio v0.6.14
Dec 04 23:20:25.553 INFO [stderr]     Checking num-iter v0.1.37
Dec 04 23:20:26.575 INFO [stderr]     Checking num v0.2.0
Dec 04 23:20:28.119 INFO [stderr]     Checking ws v0.7.6
Dec 04 23:20:30.512 INFO [stderr]     Checking persistence v0.1.0 (/source)
Dec 04 23:20:36.139 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.76s
Dec 04 23:20:36.151 INFO [stderr] su: No module specific data is present
Dec 04 23:20:37.181 INFO running `"docker" "inspect" "7cc5bd3361c93703d45b7d4cf7115eac0e77c910cfd52efd5bc411ae32ca5edc"`
Dec 04 23:20:37.377 INFO running `"docker" "rm" "-f" "7cc5bd3361c93703d45b7d4cf7115eac0e77c910cfd52efd5bc411ae32ca5edc"`
Dec 04 23:20:37.690 INFO [stdout] 7cc5bd3361c93703d45b7d4cf7115eac0e77c910cfd52efd5bc411ae32ca5edc