Sep 17 13:20:22.400 INFO checking comnik/declarative-dataflow against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 13:20:22.400 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 13:20:22.400 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-6/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 13:20:22.849 INFO blam! 519ab4bc7583821af54dbd1385f03c9c829162f0fae97994ed46135384aa450c
Sep 17 13:20:22.852 INFO running `"docker" "start" "-a" "519ab4bc7583821af54dbd1385f03c9c829162f0fae97994ed46135384aa450c"`
Sep 17 13:20:25.467 INFO kablam! usermod: no changes
Sep 17 13:20:25.564 INFO kablam! error: failed to load source for a dependency on `differential-dataflow`
Sep 17 13:20:25.564 INFO kablam! 
Sep 17 13:20:25.564 INFO kablam! Caused by:
Sep 17 13:20:25.564 INFO kablam!   Unable to update https://github.com/frankmcsherry/differential-dataflow#97095d0b
Sep 17 13:20:25.564 INFO kablam! 
Sep 17 13:20:25.564 INFO kablam! Caused by:
Sep 17 13:20:25.564 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 17 13:20:25.564 INFO kablam! 
Sep 17 13:20:25.564 INFO kablam! Caused by:
Sep 17 13:20:25.564 INFO kablam!   Read-only file system (os error 30)
Sep 17 13:20:25.579 INFO kablam! su: No module specific data is present
Sep 17 13:20:27.035 INFO running `"docker" "rm" "-f" "519ab4bc7583821af54dbd1385f03c9c829162f0fae97994ed46135384aa450c"`
Sep 17 13:20:27.419 INFO blam! 519ab4bc7583821af54dbd1385f03c9c829162f0fae97994ed46135384aa450c