Aug 31 23:23:09.389 INFO checking comnik/declarative-dataflow against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Aug 31 23:23:09.389 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Aug 31 23:23:09.389 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-0/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 23:23:09.638 INFO blam! bd4e953f2158f950c1120d01bf0728890d2d73c2093b24e2323dce2443c06980
Aug 31 23:23:09.640 INFO running `"docker" "start" "-a" "bd4e953f2158f950c1120d01bf0728890d2d73c2093b24e2323dce2443c06980"`
Aug 31 23:23:10.501 INFO kablam! error: failed to load source for a dependency on `differential-dataflow`
Aug 31 23:23:10.501 INFO kablam! 
Aug 31 23:23:10.502 INFO kablam! Caused by:
Aug 31 23:23:10.502 INFO kablam!   Unable to update https://github.com/frankmcsherry/differential-dataflow#97095d0b
Aug 31 23:23:10.502 INFO kablam! 
Aug 31 23:23:10.502 INFO kablam! Caused by:
Aug 31 23:23:10.502 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Aug 31 23:23:10.502 INFO kablam! 
Aug 31 23:23:10.502 INFO kablam! Caused by:
Aug 31 23:23:10.502 INFO kablam!   Read-only file system (os error 30)
Aug 31 23:23:10.509 INFO kablam! su: No module specific data is present
Aug 31 23:23:11.078 INFO running `"docker" "rm" "-f" "bd4e953f2158f950c1120d01bf0728890d2d73c2093b24e2323dce2443c06980"`
Aug 31 23:23:11.225 INFO blam! bd4e953f2158f950c1120d01bf0728890d2d73c2093b24e2323dce2443c06980