Dec 12 09:44:29.777 INFO checking prost-types-0.4.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 09:44:29.777 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 09:44:30.220 INFO [stdout] b8ddddebbc433ca9df0e21a7ae7bfbd0b9603918f5cce0198bb6ff7d747176bc
Dec 12 09:44:30.222 INFO running `"docker" "start" "-a" "b8ddddebbc433ca9df0e21a7ae7bfbd0b9603918f5cce0198bb6ff7d747176bc"`
Dec 12 09:44:31.003 INFO [stderr] usermod: no changes
Dec 12 09:44:31.063 INFO [stderr]    Compiling syn v0.14.9
Dec 12 09:44:31.063 INFO [stderr]     Checking prost v0.4.0
Dec 12 09:44:31.063 INFO [stderr]    Compiling failure v0.1.3
Dec 12 09:44:41.546 INFO [stderr]    Compiling prost-derive v0.4.0
Dec 12 09:44:47.164 INFO [stderr]     Checking prost-types v0.4.0 (/source)
Dec 12 09:44:52.693 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.67s
Dec 12 09:44:52.709 INFO [stderr] su: No module specific data is present
Dec 12 09:44:53.566 INFO running `"docker" "inspect" "b8ddddebbc433ca9df0e21a7ae7bfbd0b9603918f5cce0198bb6ff7d747176bc"`
Dec 12 09:44:53.798 INFO running `"docker" "rm" "-f" "b8ddddebbc433ca9df0e21a7ae7bfbd0b9603918f5cce0198bb6ff7d747176bc"`
Dec 12 09:44:54.004 INFO [stdout] b8ddddebbc433ca9df0e21a7ae7bfbd0b9603918f5cce0198bb6ff7d747176bc