Sep 10 03:21:48.344 INFO checking mmacedoeu/swapi against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 03:21:48.344 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 03:21:48.344 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 03:21:48.543 INFO blam! 838369ef834555e3457f96c6311c698345d68f5bd4d44d7d4fd3c7573d33e268
Sep 10 03:21:48.545 INFO running `"docker" "start" "-a" "838369ef834555e3457f96c6311c698345d68f5bd4d44d7d4fd3c7573d33e268"`
Sep 10 03:21:50.273 INFO kablam! usermod: no changes
Sep 10 03:21:50.367 INFO kablam! error: failed to load source for a dependency on `mentat`
Sep 10 03:21:50.367 INFO kablam! 
Sep 10 03:21:50.367 INFO kablam! Caused by:
Sep 10 03:21:50.367 INFO kablam!   Unable to update https://github.com/mozilla/mentat#6121da35
Sep 10 03:21:50.367 INFO kablam! 
Sep 10 03:21:50.367 INFO kablam! Caused by:
Sep 10 03:21:50.367 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 10 03:21:50.367 INFO kablam! 
Sep 10 03:21:50.367 INFO kablam! Caused by:
Sep 10 03:21:50.367 INFO kablam!   Read-only file system (os error 30)
Sep 10 03:21:50.369 INFO kablam! su: No module specific data is present
Sep 10 03:21:51.726 INFO running `"docker" "rm" "-f" "838369ef834555e3457f96c6311c698345d68f5bd4d44d7d4fd3c7573d33e268"`
Sep 10 03:21:51.840 INFO blam! 838369ef834555e3457f96c6311c698345d68f5bd4d44d7d4fd3c7573d33e268