Sep 19 20:39:44.811 INFO checking prost-build-0.3.2 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 20:39:44.811 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 20:39:44.811 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-1/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 20:39:45.284 INFO blam! 65c0a49d65337034aa775f6a68420f5f2164e46a84d160f072a8e421a21f9548
Sep 19 20:39:45.286 INFO running `"docker" "start" "-a" "65c0a49d65337034aa775f6a68420f5f2164e46a84d160f072a8e421a21f9548"`
Sep 19 20:39:46.442 INFO kablam! usermod: no changes
Sep 19 20:39:46.541 INFO kablam!    Compiling prost-build v0.3.2 (/source)
Sep 19 20:39:46.541 INFO kablam!     Checking multimap v0.4.0
Sep 19 20:39:46.544 INFO kablam!     Checking heck v0.3.0
Sep 19 20:39:46.555 INFO kablam!     Checking env_logger v0.5.13
Sep 19 20:39:46.555 INFO kablam!     Checking prost v0.3.2
Sep 19 20:39:46.555 INFO kablam!    Compiling failure v0.1.2
Sep 19 20:39:48.587 INFO kablam!    Compiling prost-derive v0.3.2
Sep 19 20:39:57.005 INFO kablam!     Checking prost-types v0.3.2
Sep 19 20:40:02.083 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 15.62s
Sep 19 20:40:02.090 INFO kablam! su: No module specific data is present
Sep 19 20:40:02.681 INFO running `"docker" "rm" "-f" "65c0a49d65337034aa775f6a68420f5f2164e46a84d160f072a8e421a21f9548"`
Sep 19 20:40:02.775 INFO blam! 65c0a49d65337034aa775f6a68420f5f2164e46a84d160f072a8e421a21f9548