Aug 29 18:55:27.889 INFO checking comnik/declarative-dataflow against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 29 18:55:27.889 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 29 18:55:27.890 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-3/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 29 18:55:28.081 INFO blam! 9eb501a0b3ddf5adce0b3128d17d71a725755b3a3bbc130cac10e8ab749a5c94
Aug 29 18:55:28.084 INFO running `"docker" "start" "-a" "9eb501a0b3ddf5adce0b3128d17d71a725755b3a3bbc130cac10e8ab749a5c94"`
Aug 29 18:55:28.904 INFO kablam! error: failed to load source for a dependency on `differential-dataflow`
Aug 29 18:55:28.904 INFO kablam! 
Aug 29 18:55:28.904 INFO kablam! Caused by:
Aug 29 18:55:28.905 INFO kablam!   Unable to update https://github.com/frankmcsherry/differential-dataflow#97095d0b
Aug 29 18:55:28.905 INFO kablam! 
Aug 29 18:55:28.905 INFO kablam! Caused by:
Aug 29 18:55:28.905 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Aug 29 18:55:28.905 INFO kablam! 
Aug 29 18:55:28.905 INFO kablam! Caused by:
Aug 29 18:55:28.905 INFO kablam!   Read-only file system (os error 30)
Aug 29 18:55:28.906 INFO kablam! su: No module specific data is present
Aug 29 18:55:29.327 INFO running `"docker" "rm" "-f" "9eb501a0b3ddf5adce0b3128d17d71a725755b3a3bbc130cac10e8ab749a5c94"`
Aug 29 18:55:29.460 INFO blam! 9eb501a0b3ddf5adce0b3128d17d71a725755b3a3bbc130cac10e8ab749a5c94