Sep 20 22:23:30.743 INFO checking jsnewby/rust_epoch against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 20 22:23:30.743 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 20 22:23:30.743 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-0/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 22:23:30.924 INFO blam! 3df5273b0661f3287045f3e3e6a65dc40d979bca47d11011cb2a139e373ed36f
Sep 20 22:23:30.926 INFO running `"docker" "start" "-a" "3df5273b0661f3287045f3e3e6a65dc40d979bca47d11011cb2a139e373ed36f"`
Sep 20 22:23:33.446 INFO kablam! usermod: no changes
Sep 20 22:23:33.623 INFO kablam! error: failed to load source for a dependency on `serde-xml-rs`
Sep 20 22:23:33.623 INFO kablam! 
Sep 20 22:23:33.623 INFO kablam! Caused by:
Sep 20 22:23:33.623 INFO kablam!   Unable to update git://github.com/Metaswitch/serde-xml-rs.git#a5a87992
Sep 20 22:23:33.623 INFO kablam! 
Sep 20 22:23:33.623 INFO kablam! Caused by:
Sep 20 22:23:33.623 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 20 22:23:33.623 INFO kablam! 
Sep 20 22:23:33.623 INFO kablam! Caused by:
Sep 20 22:23:33.623 INFO kablam!   Read-only file system (os error 30)
Sep 20 22:23:33.624 INFO kablam! su: No module specific data is present
Sep 20 22:23:35.028 INFO running `"docker" "rm" "-f" "3df5273b0661f3287045f3e3e6a65dc40d979bca47d11011cb2a139e373ed36f"`
Sep 20 22:23:35.148 INFO blam! 3df5273b0661f3287045f3e3e6a65dc40d979bca47d11011cb2a139e373ed36f