Aug 17 14:20:16.248 INFO checking prost-build-0.4.0 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 14:20:16.248 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 14:20:16.249 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 14:20:16.249 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-7/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 14:20:16.522 INFO blam! 34cc8d3ed01c75486845492f11fdd0bf9ba1fb88131b2eeb88f12cfb914ee87b
Aug 17 14:20:16.525 INFO running `"docker" "start" "-a" "34cc8d3ed01c75486845492f11fdd0bf9ba1fb88131b2eeb88f12cfb914ee87b"`
Aug 17 14:20:17.641 INFO kablam!     Checking multimap v0.4.0
Aug 17 14:20:17.648 INFO kablam!     Checking env_logger v0.5.12
Aug 17 14:20:17.648 INFO kablam!     Checking prost v0.4.0
Aug 17 14:20:17.648 INFO kablam!    Compiling failure v0.1.2
Aug 17 14:20:21.699 INFO kablam!    Compiling which v2.0.0
Aug 17 14:20:21.699 INFO kablam!    Compiling prost-derive v0.4.0
Aug 17 14:20:24.889 INFO kablam!    Compiling prost-build v0.4.0 (file:///source)
Aug 17 14:20:42.589 INFO kablam!     Checking prost-types v0.4.0
Aug 17 14:20:55.929 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 38.47s
Aug 17 14:20:55.941 INFO kablam! su: No module specific data is present
Aug 17 14:20:56.451 INFO running `"docker" "rm" "-f" "34cc8d3ed01c75486845492f11fdd0bf9ba1fb88131b2eeb88f12cfb914ee87b"`
Aug 17 14:20:56.642 INFO blam! 34cc8d3ed01c75486845492f11fdd0bf9ba1fb88131b2eeb88f12cfb914ee87b