Sep 19 20:39:26.760 INFO checking prost-derive-0.4.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 20:39:26.760 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 20:39:26.760 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 20:39:27.147 INFO blam! 04098633f502988d88820f99d37de13c5920ffa6d6e8e85b16d51ab46ad1dc64
Sep 19 20:39:27.155 INFO running `"docker" "start" "-a" "04098633f502988d88820f99d37de13c5920ffa6d6e8e85b16d51ab46ad1dc64"`
Sep 19 20:39:28.663 INFO kablam! usermod: no changes
Sep 19 20:39:28.752 INFO kablam!     Checking rustc-demangle v0.1.9
Sep 19 20:39:28.756 INFO kablam!     Checking itertools v0.7.8
Sep 19 20:39:28.757 INFO kablam!     Checking backtrace-sys v0.1.24
Sep 19 20:39:28.759 INFO kablam!     Checking syn v0.14.9
Sep 19 20:39:29.466 INFO kablam!     Checking backtrace v0.3.9
Sep 19 20:39:30.359 INFO kablam!     Checking failure v0.1.2
Sep 19 20:39:35.495 INFO kablam!     Checking prost-derive v0.4.0 (/source)
Sep 19 20:39:38.891 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 10.20s
Sep 19 20:39:38.893 INFO kablam! su: No module specific data is present
Sep 19 20:39:39.725 INFO running `"docker" "rm" "-f" "04098633f502988d88820f99d37de13c5920ffa6d6e8e85b16d51ab46ad1dc64"`
Sep 19 20:39:39.891 INFO blam! 04098633f502988d88820f99d37de13c5920ffa6d6e8e85b16d51ab46ad1dc64