Sep 17 12:37:21.742 INFO checking jsnewby/rust_epoch against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 12:37:21.742 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 12:37:21.742 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-1/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 12:37:22.143 INFO blam! b96ac985269159372c56146ff6311f5539e687229c7ce80d926fc3ffe3ba12b6
Sep 17 12:37:22.149 INFO running `"docker" "start" "-a" "b96ac985269159372c56146ff6311f5539e687229c7ce80d926fc3ffe3ba12b6"`
Sep 17 12:37:24.024 INFO kablam! usermod: no changes
Sep 17 12:37:24.172 INFO kablam! error: failed to load source for a dependency on `serde-xml-rs`
Sep 17 12:37:24.172 INFO kablam! 
Sep 17 12:37:24.172 INFO kablam! Caused by:
Sep 17 12:37:24.172 INFO kablam!   Unable to update git://github.com/Metaswitch/serde-xml-rs.git#a5a87992
Sep 17 12:37:24.172 INFO kablam! 
Sep 17 12:37:24.172 INFO kablam! Caused by:
Sep 17 12:37:24.172 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 17 12:37:24.172 INFO kablam! 
Sep 17 12:37:24.172 INFO kablam! Caused by:
Sep 17 12:37:24.172 INFO kablam!   Read-only file system (os error 30)
Sep 17 12:37:24.173 INFO kablam! su: No module specific data is present
Sep 17 12:37:25.505 INFO running `"docker" "rm" "-f" "b96ac985269159372c56146ff6311f5539e687229c7ce80d926fc3ffe3ba12b6"`
Sep 17 12:37:25.735 INFO blam! b96ac985269159372c56146ff6311f5539e687229c7ce80d926fc3ffe3ba12b6