Sep 14 11:29:24.277 INFO checking prost-build-0.3.2 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 11:29:24.277 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 11:29:24.277 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-0/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 11:29:24.415 INFO blam! 39e488e7eba6347b650753761ebc9c946c240cc0445be1db117b2874fc65e662
Sep 14 11:29:24.416 INFO running `"docker" "start" "-a" "39e488e7eba6347b650753761ebc9c946c240cc0445be1db117b2874fc65e662"`
Sep 14 11:29:25.356 INFO kablam! usermod: no changes
Sep 14 11:29:25.463 INFO kablam!    Compiling prost-build v0.3.2 (file:///source)
Sep 14 11:29:25.463 INFO kablam!     Checking multimap v0.4.0
Sep 14 11:29:25.463 INFO kablam!     Checking heck v0.3.0
Sep 14 11:29:25.463 INFO kablam!     Checking env_logger v0.5.13
Sep 14 11:29:25.463 INFO kablam!    Compiling syn v0.12.15
Sep 14 11:29:25.463 INFO kablam!     Checking prost v0.3.2
Sep 14 11:29:25.463 INFO kablam!    Compiling failure v0.1.2
Sep 14 11:29:38.643 INFO kablam!    Compiling prost-derive v0.3.2
Sep 14 11:29:44.058 INFO kablam!     Checking prost-types v0.3.2
Sep 14 11:29:48.804 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 23.42s
Sep 14 11:29:48.805 INFO kablam! su: No module specific data is present
Sep 14 11:29:49.338 INFO running `"docker" "rm" "-f" "39e488e7eba6347b650753761ebc9c946c240cc0445be1db117b2874fc65e662"`
Sep 14 11:29:49.584 INFO blam! 39e488e7eba6347b650753761ebc9c946c240cc0445be1db117b2874fc65e662