Sep 17 10:33:19.960 INFO checking zcash-hackworks/sapling-mpc against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 10:33:19.960 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 10:33:19.960 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-1/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 10:33:20.255 INFO blam! f7cf70eac62a36357966acd8ae002bee952f963fbb66f7578260db90c0ec03b4
Sep 17 10:33:20.260 INFO running `"docker" "start" "-a" "f7cf70eac62a36357966acd8ae002bee952f963fbb66f7578260db90c0ec03b4"`
Sep 17 10:33:22.107 INFO kablam! usermod: no changes
Sep 17 10:33:22.163 INFO kablam! error: failed to load source for a dependency on `sapling-crypto`
Sep 17 10:33:22.163 INFO kablam! 
Sep 17 10:33:22.163 INFO kablam! Caused by:
Sep 17 10:33:22.163 INFO kablam!   Unable to update https://github.com/zcash-hackworks/sapling-crypto?rev=eb409fa3cf8df215ae8d35f5e385751a0c5ffb85#eb409fa3
Sep 17 10:33:22.163 INFO kablam! 
Sep 17 10:33:22.163 INFO kablam! Caused by:
Sep 17 10:33:22.163 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 17 10:33:22.163 INFO kablam! 
Sep 17 10:33:22.163 INFO kablam! Caused by:
Sep 17 10:33:22.163 INFO kablam!   Read-only file system (os error 30)
Sep 17 10:33:22.163 INFO kablam! su: No module specific data is present
Sep 17 10:33:23.037 INFO running `"docker" "rm" "-f" "f7cf70eac62a36357966acd8ae002bee952f963fbb66f7578260db90c0ec03b4"`
Sep 17 10:33:23.311 INFO blam! f7cf70eac62a36357966acd8ae002bee952f963fbb66f7578260db90c0ec03b4