Sep 19 20:39:16.620 INFO checking prost-simple-rpc-build-0.3.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 20:39:16.620 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 20:39:16.620 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-6/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 20:39:16.836 INFO blam! a5c49f7cc11d6ed6b142a05d4616304696e348595eaebab010de1d0ab7f16d6d
Sep 19 20:39:16.847 INFO running `"docker" "start" "-a" "a5c49f7cc11d6ed6b142a05d4616304696e348595eaebab010de1d0ab7f16d6d"`
Sep 19 20:39:17.967 INFO kablam! usermod: no changes
Sep 19 20:39:18.099 INFO kablam!     Checking multimap v0.4.0
Sep 19 20:39:18.107 INFO kablam!     Checking heck v0.3.0
Sep 19 20:39:18.107 INFO kablam!     Checking prost v0.4.0
Sep 19 20:39:18.107 INFO kablam!    Compiling which v2.0.0
Sep 19 20:39:18.107 INFO kablam!    Compiling prost-derive v0.4.0
Sep 19 20:39:21.062 INFO kablam!    Compiling prost-build v0.4.0
Sep 19 20:39:28.855 INFO kablam!     Checking prost-types v0.4.0
Sep 19 20:39:33.416 INFO kablam!     Checking prost-simple-rpc-build v0.3.0 (/source)
Sep 19 20:39:34.764 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 16.78s
Sep 19 20:39:34.775 INFO kablam! su: No module specific data is present
Sep 19 20:39:36.078 INFO running `"docker" "rm" "-f" "a5c49f7cc11d6ed6b142a05d4616304696e348595eaebab010de1d0ab7f16d6d"`
Sep 19 20:39:36.361 INFO blam! a5c49f7cc11d6ed6b142a05d4616304696e348595eaebab010de1d0ab7f16d6d