Sep 05 19:14:44.827 INFO checking comnik/declarative-dataflow against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 05 19:14:44.827 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 05 19:14:44.827 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-4/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 05 19:14:45.314 INFO blam! 9b03e5f03d83b5e3529e14a55d59cd129bfe53b5f65bb07e8ba6c34368a93258
Sep 05 19:14:45.316 INFO running `"docker" "start" "-a" "9b03e5f03d83b5e3529e14a55d59cd129bfe53b5f65bb07e8ba6c34368a93258"`
Sep 05 19:14:47.606 INFO kablam! usermod: no changes
Sep 05 19:14:47.655 INFO kablam! error: failed to load source for a dependency on `differential-dataflow`
Sep 05 19:14:47.655 INFO kablam! 
Sep 05 19:14:47.655 INFO kablam! Caused by:
Sep 05 19:14:47.655 INFO kablam!   Unable to update https://github.com/frankmcsherry/differential-dataflow#97095d0b
Sep 05 19:14:47.655 INFO kablam! 
Sep 05 19:14:47.655 INFO kablam! Caused by:
Sep 05 19:14:47.655 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 05 19:14:47.655 INFO kablam! 
Sep 05 19:14:47.655 INFO kablam! Caused by:
Sep 05 19:14:47.655 INFO kablam!   Read-only file system (os error 30)
Sep 05 19:14:47.658 INFO kablam! su: No module specific data is present
Sep 05 19:14:49.340 INFO running `"docker" "rm" "-f" "9b03e5f03d83b5e3529e14a55d59cd129bfe53b5f65bb07e8ba6c34368a93258"`
Sep 05 19:14:49.678 INFO blam! 9b03e5f03d83b5e3529e14a55d59cd129bfe53b5f65bb07e8ba6c34368a93258