Sep 20 22:23:35.192 INFO checking jsnewby/rust_epoch against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 20 22:23:35.192 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 20 22:23:35.192 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-0/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 22:23:35.417 INFO blam! 86757205fc90ae49f65854e688ef4d068806eb6dbd6d9ca8a47366b0686f4beb
Sep 20 22:23:35.419 INFO running `"docker" "start" "-a" "86757205fc90ae49f65854e688ef4d068806eb6dbd6d9ca8a47366b0686f4beb"`
Sep 20 22:23:37.498 INFO kablam! usermod: no changes
Sep 20 22:23:37.698 INFO kablam! error: failed to load source for a dependency on `serde-xml-rs`
Sep 20 22:23:37.698 INFO kablam! 
Sep 20 22:23:37.698 INFO kablam! Caused by:
Sep 20 22:23:37.698 INFO kablam!   Unable to update git://github.com/Metaswitch/serde-xml-rs.git#a5a87992
Sep 20 22:23:37.698 INFO kablam! 
Sep 20 22:23:37.698 INFO kablam! Caused by:
Sep 20 22:23:37.698 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 20 22:23:37.698 INFO kablam! 
Sep 20 22:23:37.698 INFO kablam! Caused by:
Sep 20 22:23:37.698 INFO kablam!   Read-only file system (os error 30)
Sep 20 22:23:37.702 INFO kablam! su: No module specific data is present
Sep 20 22:23:39.240 INFO running `"docker" "rm" "-f" "86757205fc90ae49f65854e688ef4d068806eb6dbd6d9ca8a47366b0686f4beb"`
Sep 20 22:23:39.357 INFO blam! 86757205fc90ae49f65854e688ef4d068806eb6dbd6d9ca8a47366b0686f4beb