Sep 19 14:21:20.622 INFO checking bfops/playform against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 14:21:20.622 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 14:21:20.622 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-6/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 14:21:21.188 INFO blam! bc13a4eb7e0cf8d6d0de3d4500a5e1495d0dd082c451fa76a9ffc505acea7f75
Sep 19 14:21:21.191 INFO running `"docker" "start" "-a" "bc13a4eb7e0cf8d6d0de3d4500a5e1495d0dd082c451fa76a9ffc505acea7f75"`
Sep 19 14:21:24.015 INFO kablam! usermod: no changes
Sep 19 14:21:24.131 INFO kablam! error: failed to load source for a dependency on `isosurface-extraction`
Sep 19 14:21:24.131 INFO kablam! 
Sep 19 14:21:24.131 INFO kablam! Caused by:
Sep 19 14:21:24.131 INFO kablam!   Unable to update https://github.com/bfops/rust-isosurface-extraction#33262c5f
Sep 19 14:21:24.131 INFO kablam! 
Sep 19 14:21:24.131 INFO kablam! Caused by:
Sep 19 14:21:24.131 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 19 14:21:24.131 INFO kablam! 
Sep 19 14:21:24.131 INFO kablam! Caused by:
Sep 19 14:21:24.131 INFO kablam!   Read-only file system (os error 30)
Sep 19 14:21:24.147 INFO kablam! su: No module specific data is present
Sep 19 14:21:25.530 INFO running `"docker" "rm" "-f" "bc13a4eb7e0cf8d6d0de3d4500a5e1495d0dd082c451fa76a9ffc505acea7f75"`
Sep 19 14:21:25.878 INFO blam! bc13a4eb7e0cf8d6d0de3d4500a5e1495d0dd082c451fa76a9ffc505acea7f75