Aug 17 14:20:24.383 INFO checking prost-build-0.3.2 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 14:20:24.383 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 14:20:24.383 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 14:20:24.383 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-5/master#142bb27373126edf8367f526358b6c72ecf1d8df:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 14:20:24.622 INFO blam! 9f2b8c97f6b874169c90f61a78240694a2bec3b0cb3c1b0817255a88c0df1dd1
Aug 17 14:20:24.625 INFO running `"docker" "start" "-a" "9f2b8c97f6b874169c90f61a78240694a2bec3b0cb3c1b0817255a88c0df1dd1"`
Aug 17 14:20:25.828 INFO kablam!    Compiling prost-build v0.3.2 (file:///source)
Aug 17 14:20:25.829 INFO kablam!     Checking multimap v0.4.0
Aug 17 14:20:25.831 INFO kablam!     Checking env_logger v0.5.12
Aug 17 14:20:25.832 INFO kablam!    Compiling syn v0.12.15
Aug 17 14:20:25.832 INFO kablam!     Checking prost v0.3.2
Aug 17 14:20:25.833 INFO kablam!    Compiling failure v0.1.2
Aug 17 14:20:52.229 INFO kablam!    Compiling prost-derive v0.3.2
Aug 17 14:21:06.466 INFO kablam!     Checking prost-types v0.3.2
Aug 17 14:21:18.354 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 52.70s
Aug 17 14:21:18.364 INFO kablam! su: No module specific data is present
Aug 17 14:21:18.931 INFO running `"docker" "rm" "-f" "9f2b8c97f6b874169c90f61a78240694a2bec3b0cb3c1b0817255a88c0df1dd1"`
Aug 17 14:21:19.131 INFO blam! 9f2b8c97f6b874169c90f61a78240694a2bec3b0cb3c1b0817255a88c0df1dd1