Sep 20 21:08:09.063 INFO checking shockham/contours against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 20 21:08:09.063 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 20 21:08:09.063 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-6/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 21:08:09.298 INFO blam! b9ded5cba44d4cdc0561623d64e4e70f9d32ee003377c03ed3e2114b56c43dcd
Sep 20 21:08:09.300 INFO running `"docker" "start" "-a" "b9ded5cba44d4cdc0561623d64e4e70f9d32ee003377c03ed3e2114b56c43dcd"`
Sep 20 21:08:10.646 INFO kablam! usermod: no changes
Sep 20 21:08:10.722 INFO kablam! error: failed to load source for a dependency on `caper`
Sep 20 21:08:10.722 INFO kablam! 
Sep 20 21:08:10.722 INFO kablam! Caused by:
Sep 20 21:08:10.722 INFO kablam!   Unable to update https://github.com/shockham/caper#6b103aa4
Sep 20 21:08:10.722 INFO kablam! 
Sep 20 21:08:10.722 INFO kablam! Caused by:
Sep 20 21:08:10.722 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 20 21:08:10.722 INFO kablam! 
Sep 20 21:08:10.722 INFO kablam! Caused by:
Sep 20 21:08:10.722 INFO kablam!   Read-only file system (os error 30)
Sep 20 21:08:10.722 INFO kablam! su: No module specific data is present
Sep 20 21:08:12.193 INFO running `"docker" "rm" "-f" "b9ded5cba44d4cdc0561623d64e4e70f9d32ee003377c03ed3e2114b56c43dcd"`
Sep 20 21:08:12.314 INFO blam! b9ded5cba44d4cdc0561623d64e4e70f9d32ee003377c03ed3e2114b56c43dcd