Sep 19 11:17:31.591 INFO checking zcash-hackworks/sapling-mpc against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 11:17:31.591 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 11:17:31.591 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-0/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 11:17:32.003 INFO blam! 7854cc317c3ab50513c1b50e8ebcf9b1df0528b02ac4f98540431d9d2b643ac6
Sep 19 11:17:32.005 INFO running `"docker" "start" "-a" "7854cc317c3ab50513c1b50e8ebcf9b1df0528b02ac4f98540431d9d2b643ac6"`
Sep 19 11:17:33.583 INFO kablam! usermod: no changes
Sep 19 11:17:33.660 INFO kablam! error: failed to load source for a dependency on `sapling-crypto`
Sep 19 11:17:33.660 INFO kablam! 
Sep 19 11:17:33.660 INFO kablam! Caused by:
Sep 19 11:17:33.660 INFO kablam!   Unable to update https://github.com/zcash-hackworks/sapling-crypto?rev=eb409fa3cf8df215ae8d35f5e385751a0c5ffb85#eb409fa3
Sep 19 11:17:33.660 INFO kablam! 
Sep 19 11:17:33.660 INFO kablam! Caused by:
Sep 19 11:17:33.660 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 19 11:17:33.660 INFO kablam! 
Sep 19 11:17:33.660 INFO kablam! Caused by:
Sep 19 11:17:33.660 INFO kablam!   Read-only file system (os error 30)
Sep 19 11:17:33.660 INFO kablam! su: No module specific data is present
Sep 19 11:17:34.374 INFO running `"docker" "rm" "-f" "7854cc317c3ab50513c1b50e8ebcf9b1df0528b02ac4f98540431d9d2b643ac6"`
Sep 19 11:17:34.678 INFO blam! 7854cc317c3ab50513c1b50e8ebcf9b1df0528b02ac4f98540431d9d2b643ac6