Sep 10 03:50:59.533 INFO checking jsnewby/rust_epoch against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 03:50:59.533 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 03:50:59.533 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 03:50:59.771 INFO blam! c2c8fb84ecf2c9ca6493bc3e585996ba9a9be91186a8a77ba8173a73d8bd8081
Sep 10 03:50:59.773 INFO running `"docker" "start" "-a" "c2c8fb84ecf2c9ca6493bc3e585996ba9a9be91186a8a77ba8173a73d8bd8081"`
Sep 10 03:51:00.961 INFO kablam! usermod: no changes
Sep 10 03:51:01.124 INFO kablam! error: failed to load source for a dependency on `serde-xml-rs`
Sep 10 03:51:01.124 INFO kablam! 
Sep 10 03:51:01.124 INFO kablam! Caused by:
Sep 10 03:51:01.124 INFO kablam!   Unable to update git://github.com/Metaswitch/serde-xml-rs.git#a5a87992
Sep 10 03:51:01.124 INFO kablam! 
Sep 10 03:51:01.124 INFO kablam! Caused by:
Sep 10 03:51:01.124 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 10 03:51:01.124 INFO kablam! 
Sep 10 03:51:01.124 INFO kablam! Caused by:
Sep 10 03:51:01.124 INFO kablam!   Read-only file system (os error 30)
Sep 10 03:51:01.126 INFO kablam! su: No module specific data is present
Sep 10 03:51:01.974 INFO running `"docker" "rm" "-f" "c2c8fb84ecf2c9ca6493bc3e585996ba9a9be91186a8a77ba8173a73d8bd8081"`
Sep 10 03:51:02.082 INFO blam! c2c8fb84ecf2c9ca6493bc3e585996ba9a9be91186a8a77ba8173a73d8bd8081