Dec 12 09:44:52.075 INFO checking prost-build-0.4.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 09:44:52.075 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 09:44:52.560 INFO [stdout] 1b6410a3c738b796fc914ecc9394d69a4cc8d11ff9eb0a04e4298157e91f6418
Dec 12 09:44:52.566 INFO running `"docker" "start" "-a" "1b6410a3c738b796fc914ecc9394d69a4cc8d11ff9eb0a04e4298157e91f6418"`
Dec 12 09:44:53.796 INFO [stderr] usermod: no changes
Dec 12 09:44:53.925 INFO [stderr]     Checking multimap v0.4.0
Dec 12 09:44:53.925 INFO [stderr]    Compiling failure v0.1.3
Dec 12 09:44:55.212 INFO [stderr]    Compiling which v2.0.1
Dec 12 09:44:55.212 INFO [stderr]    Compiling prost-derive v0.4.0
Dec 12 09:44:56.640 INFO [stderr]    Compiling prost-build v0.4.0 (/source)
Dec 12 09:45:03.962 INFO [stderr]     Checking prost-types v0.4.0
Dec 12 09:45:10.722 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.89s
Dec 12 09:45:10.733 INFO [stderr] su: No module specific data is present
Dec 12 09:45:11.908 INFO running `"docker" "inspect" "1b6410a3c738b796fc914ecc9394d69a4cc8d11ff9eb0a04e4298157e91f6418"`
Dec 12 09:45:12.282 INFO running `"docker" "rm" "-f" "1b6410a3c738b796fc914ecc9394d69a4cc8d11ff9eb0a04e4298157e91f6418"`
Dec 12 09:45:12.553 INFO [stdout] 1b6410a3c738b796fc914ecc9394d69a4cc8d11ff9eb0a04e4298157e91f6418