Sep 20 23:07:15.028 INFO checking comnik/declarative-dataflow against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 20 23:07:15.028 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 20 23:07:15.029 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-4/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 23:07:15.238 INFO blam! 0c0d2b65daae8057a1952f5264c1756b40c3206a82cda133187baff6a67a0bc6
Sep 20 23:07:15.240 INFO running `"docker" "start" "-a" "0c0d2b65daae8057a1952f5264c1756b40c3206a82cda133187baff6a67a0bc6"`
Sep 20 23:07:17.086 INFO kablam! usermod: no changes
Sep 20 23:07:17.162 INFO kablam! error: failed to load source for a dependency on `differential-dataflow`
Sep 20 23:07:17.162 INFO kablam! 
Sep 20 23:07:17.162 INFO kablam! Caused by:
Sep 20 23:07:17.162 INFO kablam!   Unable to update https://github.com/frankmcsherry/differential-dataflow#97095d0b
Sep 20 23:07:17.162 INFO kablam! 
Sep 20 23:07:17.162 INFO kablam! Caused by:
Sep 20 23:07:17.162 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 20 23:07:17.162 INFO kablam! 
Sep 20 23:07:17.162 INFO kablam! Caused by:
Sep 20 23:07:17.162 INFO kablam!   Read-only file system (os error 30)
Sep 20 23:07:17.170 INFO kablam! su: No module specific data is present
Sep 20 23:07:18.857 INFO running `"docker" "rm" "-f" "0c0d2b65daae8057a1952f5264c1756b40c3206a82cda133187baff6a67a0bc6"`
Sep 20 23:07:18.963 INFO blam! 0c0d2b65daae8057a1952f5264c1756b40c3206a82cda133187baff6a67a0bc6