Sep 10 12:37:12.459 INFO checking prost-simple-rpc-build-0.3.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 12:37:12.459 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 12:37:12.459 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-6/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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=1000" "-e" "CMD=cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 12:37:12.621 INFO blam! b768e1570f5cfa91d85214087aa0e1f5821dd9b778b921f68e1dcdd23fe20f50
Sep 10 12:37:12.623 INFO running `"docker" "start" "-a" "b768e1570f5cfa91d85214087aa0e1f5821dd9b778b921f68e1dcdd23fe20f50"`
Sep 10 12:37:13.388 INFO kablam! usermod: no changes
Sep 10 12:37:13.482 INFO kablam!     Checking multimap v0.4.0
Sep 10 12:37:13.484 INFO kablam!     Checking env_logger v0.5.13
Sep 10 12:37:13.484 INFO kablam!     Checking prost v0.4.0
Sep 10 12:37:13.485 INFO kablam!    Compiling which v2.0.0
Sep 10 12:37:13.486 INFO kablam!    Compiling prost-derive v0.4.0
Sep 10 12:37:14.746 INFO kablam!    Compiling prost-build v0.4.0
Sep 10 12:37:22.536 INFO kablam!     Checking prost-types v0.4.0
Sep 10 12:37:26.926 INFO kablam!     Checking prost-simple-rpc-build v0.3.0 (file:///source)
Sep 10 12:37:28.302 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 14.89s
Sep 10 12:37:28.313 INFO kablam! su: No module specific data is present
Sep 10 12:37:29.037 INFO running `"docker" "rm" "-f" "b768e1570f5cfa91d85214087aa0e1f5821dd9b778b921f68e1dcdd23fe20f50"`
Sep 10 12:37:29.124 INFO blam! b768e1570f5cfa91d85214087aa0e1f5821dd9b778b921f68e1dcdd23fe20f50