Sep 03 18:53:29.591 INFO checking zcash-hackworks/sapling-mpc against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 03 18:53:29.591 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 03 18:53:29.591 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-3/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 03 18:53:29.859 INFO blam! b97a9a5b1614f75c6ae55a1ec31c96132043a1a8d06333bc7f84a82aed3f6090
Sep 03 18:53:29.861 INFO running `"docker" "start" "-a" "b97a9a5b1614f75c6ae55a1ec31c96132043a1a8d06333bc7f84a82aed3f6090"`
Sep 03 18:53:30.725 INFO kablam! error: failed to load source for a dependency on `sapling-crypto`
Sep 03 18:53:30.725 INFO kablam! 
Sep 03 18:53:30.725 INFO kablam! Caused by:
Sep 03 18:53:30.725 INFO kablam!   Unable to update https://github.com/zcash-hackworks/sapling-crypto?rev=eb409fa3cf8df215ae8d35f5e385751a0c5ffb85#eb409fa3
Sep 03 18:53:30.725 INFO kablam! 
Sep 03 18:53:30.725 INFO kablam! Caused by:
Sep 03 18:53:30.725 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 03 18:53:30.725 INFO kablam! 
Sep 03 18:53:30.725 INFO kablam! Caused by:
Sep 03 18:53:30.725 INFO kablam!   Read-only file system (os error 30)
Sep 03 18:53:30.726 INFO kablam! su: No module specific data is present
Sep 03 18:53:31.285 INFO running `"docker" "rm" "-f" "b97a9a5b1614f75c6ae55a1ec31c96132043a1a8d06333bc7f84a82aed3f6090"`
Sep 03 18:53:31.452 INFO blam! b97a9a5b1614f75c6ae55a1ec31c96132043a1a8d06333bc7f84a82aed3f6090