Dec 12 09:44:46.265 INFO checking prost-codegen-0.1.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 09:44:46.265 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 09:44:46.692 INFO [stdout] c2a5b2f6ffcb311ae18a72a8036c64331600207010bcb4c4758900963477fa6b
Dec 12 09:44:46.694 INFO running `"docker" "start" "-a" "c2a5b2f6ffcb311ae18a72a8036c64331600207010bcb4c4758900963477fa6b"`
Dec 12 09:44:48.043 INFO [stderr] usermod: no changes
Dec 12 09:44:48.231 INFO [stderr]     Checking multimap v0.3.0
Dec 12 09:44:48.232 INFO [stderr]    Compiling itertools v0.6.5
Dec 12 09:44:48.237 INFO [stderr]     Checking prost v0.1.0
Dec 12 09:44:48.244 INFO [stderr]    Compiling error-chain v0.10.0
Dec 12 09:44:52.660 INFO [stderr]    Compiling prost-derive v0.1.0
Dec 12 09:44:57.314 INFO [stderr]     Checking prost-codegen v0.1.0 (/source)
Dec 12 09:45:05.696 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.62s
Dec 12 09:45:05.698 INFO [stderr] su: No module specific data is present
Dec 12 09:45:06.380 INFO running `"docker" "inspect" "c2a5b2f6ffcb311ae18a72a8036c64331600207010bcb4c4758900963477fa6b"`
Dec 12 09:45:06.699 INFO running `"docker" "rm" "-f" "c2a5b2f6ffcb311ae18a72a8036c64331600207010bcb4c4758900963477fa6b"`
Dec 12 09:45:06.940 INFO [stdout] c2a5b2f6ffcb311ae18a72a8036c64331600207010bcb4c4758900963477fa6b