Sep 06 02:13:23.721 INFO checking prost-build-0.3.2 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 02:13:23.721 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 02:13:23.721 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-0/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 02:13:24.003 INFO blam! bf065e98622b2459c4e8cc16898b00606795ac68f1ac8c511e4b92621035dd47
Sep 06 02:13:24.005 INFO running `"docker" "start" "-a" "bf065e98622b2459c4e8cc16898b00606795ac68f1ac8c511e4b92621035dd47"`
Sep 06 02:13:25.037 INFO kablam! usermod: no changes
Sep 06 02:13:25.152 INFO kablam!    Compiling prost-build v0.3.2 (file:///source)
Sep 06 02:13:25.152 INFO kablam!     Checking multimap v0.4.0
Sep 06 02:13:25.160 INFO kablam!     Checking heck v0.3.0
Sep 06 02:13:25.160 INFO kablam!    Compiling syn v0.12.15
Sep 06 02:13:25.160 INFO kablam!     Checking prost v0.3.2
Sep 06 02:13:25.161 INFO kablam!    Compiling failure v0.1.2
Sep 06 02:13:35.166 INFO kablam!    Compiling prost-derive v0.3.2
Sep 06 02:13:40.384 INFO kablam!     Checking prost-types v0.3.2
Sep 06 02:13:45.010 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 19.94s
Sep 06 02:13:45.015 INFO kablam! su: No module specific data is present
Sep 06 02:13:45.469 INFO running `"docker" "rm" "-f" "bf065e98622b2459c4e8cc16898b00606795ac68f1ac8c511e4b92621035dd47"`
Sep 06 02:13:45.579 INFO blam! bf065e98622b2459c4e8cc16898b00606795ac68f1ac8c511e4b92621035dd47