Sep 05 18:33:01.381 INFO checking jsnewby/rust_epoch against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 05 18:33:01.381 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 05 18:33:01.382 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-1/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 18:33:01.850 INFO blam! 6ba18a90f4cef887d0f3d439083aa63ee263bc94c588cf34e3a1287e42fef44b
Sep 05 18:33:01.852 INFO running `"docker" "start" "-a" "6ba18a90f4cef887d0f3d439083aa63ee263bc94c588cf34e3a1287e42fef44b"`
Sep 05 18:33:04.434 INFO kablam! usermod: no changes
Sep 05 18:33:04.570 INFO kablam! error: failed to load source for a dependency on `serde-xml-rs`
Sep 05 18:33:04.570 INFO kablam! 
Sep 05 18:33:04.570 INFO kablam! Caused by:
Sep 05 18:33:04.570 INFO kablam!   Unable to update git://github.com/Metaswitch/serde-xml-rs.git#a5a87992
Sep 05 18:33:04.570 INFO kablam! 
Sep 05 18:33:04.570 INFO kablam! Caused by:
Sep 05 18:33:04.570 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 05 18:33:04.570 INFO kablam! 
Sep 05 18:33:04.570 INFO kablam! Caused by:
Sep 05 18:33:04.570 INFO kablam!   Read-only file system (os error 30)
Sep 05 18:33:04.570 INFO kablam! su: No module specific data is present
Sep 05 18:33:05.976 INFO running `"docker" "rm" "-f" "6ba18a90f4cef887d0f3d439083aa63ee263bc94c588cf34e3a1287e42fef44b"`
Sep 05 18:33:06.270 INFO blam! 6ba18a90f4cef887d0f3d439083aa63ee263bc94c588cf34e3a1287e42fef44b