Sep 05 19:23:13.379 INFO checking boustrophedon/box_specs_test against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 05 19:23:13.379 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 05 19:23:13.379 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-4/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 19:23:13.734 INFO blam! 3e8b8561dfe9acf7dcaf35da2d4e36d001a0e76342d2b48859ffd27c748a75e5
Sep 05 19:23:13.736 INFO running `"docker" "start" "-a" "3e8b8561dfe9acf7dcaf35da2d4e36d001a0e76342d2b48859ffd27c748a75e5"`
Sep 05 19:23:15.197 INFO kablam! usermod: no changes
Sep 05 19:23:15.257 INFO kablam! error: failed to load source for a dependency on `specs`
Sep 05 19:23:15.257 INFO kablam! 
Sep 05 19:23:15.257 INFO kablam! Caused by:
Sep 05 19:23:15.257 INFO kablam!   Unable to update https://github.com/boustrophedon/specs?branch=message_passing#5433bd3a
Sep 05 19:23:15.257 INFO kablam! 
Sep 05 19:23:15.257 INFO kablam! Caused by:
Sep 05 19:23:15.257 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 05 19:23:15.258 INFO kablam! 
Sep 05 19:23:15.258 INFO kablam! Caused by:
Sep 05 19:23:15.258 INFO kablam!   Read-only file system (os error 30)
Sep 05 19:23:15.258 INFO kablam! su: No module specific data is present
Sep 05 19:23:16.660 INFO running `"docker" "rm" "-f" "3e8b8561dfe9acf7dcaf35da2d4e36d001a0e76342d2b48859ffd27c748a75e5"`
Sep 05 19:23:16.965 INFO blam! 3e8b8561dfe9acf7dcaf35da2d4e36d001a0e76342d2b48859ffd27c748a75e5