Sep 17 13:20:27.466 INFO checking comnik/declarative-dataflow against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 13:20:27.466 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 13:20:27.466 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-6/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 13:20:27.847 INFO blam! 9f95896117ea4eb746c836d00b53cb45cd67b04e65dec56a0900e514cec11e98
Sep 17 13:20:27.855 INFO running `"docker" "start" "-a" "9f95896117ea4eb746c836d00b53cb45cd67b04e65dec56a0900e514cec11e98"`
Sep 17 13:20:29.376 INFO kablam! usermod: no changes
Sep 17 13:20:29.463 INFO kablam! error: failed to load source for a dependency on `differential-dataflow`
Sep 17 13:20:29.463 INFO kablam! 
Sep 17 13:20:29.463 INFO kablam! Caused by:
Sep 17 13:20:29.463 INFO kablam!   Unable to update https://github.com/frankmcsherry/differential-dataflow#97095d0b
Sep 17 13:20:29.463 INFO kablam! 
Sep 17 13:20:29.463 INFO kablam! Caused by:
Sep 17 13:20:29.463 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 17 13:20:29.463 INFO kablam! 
Sep 17 13:20:29.463 INFO kablam! Caused by:
Sep 17 13:20:29.463 INFO kablam!   Read-only file system (os error 30)
Sep 17 13:20:29.471 INFO kablam! su: No module specific data is present
Sep 17 13:20:30.982 INFO running `"docker" "rm" "-f" "9f95896117ea4eb746c836d00b53cb45cd67b04e65dec56a0900e514cec11e98"`
Sep 17 13:20:31.261 INFO blam! 9f95896117ea4eb746c836d00b53cb45cd67b04e65dec56a0900e514cec11e98