Sep 03 23:12:34.374 INFO checking comnik/declarative-dataflow against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913 Sep 03 23:12:34.374 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets Sep 03 23:12:34.374 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-0/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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=500" "-e" "CMD=cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 03 23:12:34.608 INFO blam! a44d9947c718e6fb683f8a32d0a38d81027b135e34c36d44e2b1320a7b9d69f4 Sep 03 23:12:34.609 INFO running `"docker" "start" "-a" "a44d9947c718e6fb683f8a32d0a38d81027b135e34c36d44e2b1320a7b9d69f4"` Sep 03 23:12:35.461 INFO kablam! error: failed to load source for a dependency on `differential-dataflow` Sep 03 23:12:35.461 INFO kablam! Sep 03 23:12:35.461 INFO kablam! Caused by: Sep 03 23:12:35.461 INFO kablam! Unable to update https://github.com/frankmcsherry/differential-dataflow#97095d0b Sep 03 23:12:35.461 INFO kablam! Sep 03 23:12:35.461 INFO kablam! Caused by: Sep 03 23:12:35.461 INFO kablam! failed to open: /cargo-home/git/.cargo-lock-git Sep 03 23:12:35.461 INFO kablam! Sep 03 23:12:35.461 INFO kablam! Caused by: Sep 03 23:12:35.461 INFO kablam! Read-only file system (os error 30) Sep 03 23:12:35.462 INFO kablam! su: No module specific data is present Sep 03 23:12:36.039 INFO running `"docker" "rm" "-f" "a44d9947c718e6fb683f8a32d0a38d81027b135e34c36d44e2b1320a7b9d69f4"` Sep 03 23:12:36.196 INFO blam! a44d9947c718e6fb683f8a32d0a38d81027b135e34c36d44e2b1320a7b9d69f4