Dec 12 17:07:44.641 INFO checking cargo-fuzz-0.5.2 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 17:07:44.641 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 17:07:45.106 INFO [stdout] 750c14f2fab56f2559e662a43c8e9744bc6b16ac2729b6bbc1eb6faba005b67a
Dec 12 17:07:45.108 INFO running `"docker" "start" "-a" "750c14f2fab56f2559e662a43c8e9744bc6b16ac2729b6bbc1eb6faba005b67a"`
Dec 12 17:07:46.300 INFO [stderr] usermod: no changes
Dec 12 17:07:46.580 INFO [stderr]     Checking tokio-signal v0.1.5
Dec 12 17:07:50.841 INFO [stderr]     Checking tokio-process v0.1.6
Dec 12 17:07:55.338 INFO [stderr]     Checking cargo-fuzz v0.5.2 (/source)
Dec 12 17:08:04.100 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.75s
Dec 12 17:08:04.101 INFO [stderr] su: No module specific data is present
Dec 12 17:08:04.902 INFO running `"docker" "inspect" "750c14f2fab56f2559e662a43c8e9744bc6b16ac2729b6bbc1eb6faba005b67a"`
Dec 12 17:08:05.292 INFO running `"docker" "rm" "-f" "750c14f2fab56f2559e662a43c8e9744bc6b16ac2729b6bbc1eb6faba005b67a"`
Dec 12 17:08:05.660 INFO [stdout] 750c14f2fab56f2559e662a43c8e9744bc6b16ac2729b6bbc1eb6faba005b67a