Sep 03 18:11:27.991 INFO checking jsnewby/rust_epoch against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 03 18:11:27.991 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 03 18:11:27.991 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-0/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 03 18:11:28.136 INFO blam! 6017a8280f74a0a5c75a1f6da99bf5be2b35889a2217c6f65eb4447c25efbeaf
Sep 03 18:11:28.139 INFO running `"docker" "start" "-a" "6017a8280f74a0a5c75a1f6da99bf5be2b35889a2217c6f65eb4447c25efbeaf"`
Sep 03 18:11:28.704 INFO kablam! error: failed to load source for a dependency on `serde-xml-rs`
Sep 03 18:11:28.704 INFO kablam! 
Sep 03 18:11:28.704 INFO kablam! Caused by:
Sep 03 18:11:28.704 INFO kablam!   Unable to update git://github.com/Metaswitch/serde-xml-rs.git#a5a87992
Sep 03 18:11:28.704 INFO kablam! 
Sep 03 18:11:28.704 INFO kablam! Caused by:
Sep 03 18:11:28.704 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 03 18:11:28.704 INFO kablam! 
Sep 03 18:11:28.704 INFO kablam! Caused by:
Sep 03 18:11:28.705 INFO kablam!   Read-only file system (os error 30)
Sep 03 18:11:28.705 INFO kablam! su: No module specific data is present
Sep 03 18:11:29.074 INFO running `"docker" "rm" "-f" "6017a8280f74a0a5c75a1f6da99bf5be2b35889a2217c6f65eb4447c25efbeaf"`
Sep 03 18:11:29.175 INFO blam! 6017a8280f74a0a5c75a1f6da99bf5be2b35889a2217c6f65eb4447c25efbeaf