Sep 05 18:11:33.844 INFO checking mattdeboard/rs-pugbot against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 05 18:11:33.844 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 05 18:11:33.844 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-2/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 18:11:34.209 INFO blam! 4e18cd1c40b5517634b273892a59acae3af17825743b2b798f37acd9a52bebf6
Sep 05 18:11:34.210 INFO running `"docker" "start" "-a" "4e18cd1c40b5517634b273892a59acae3af17825743b2b798f37acd9a52bebf6"`
Sep 05 18:11:36.235 INFO kablam! usermod: no changes
Sep 05 18:11:36.278 INFO kablam! warning: unused manifest key: package.features
Sep 05 18:11:36.322 INFO kablam! error: failed to load source for a dependency on `serenity`
Sep 05 18:11:36.322 INFO kablam! 
Sep 05 18:11:36.322 INFO kablam! Caused by:
Sep 05 18:11:36.322 INFO kablam!   Unable to update https://github.com/zeyla/serenity.git#29377922
Sep 05 18:11:36.322 INFO kablam! 
Sep 05 18:11:36.322 INFO kablam! Caused by:
Sep 05 18:11:36.322 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 05 18:11:36.322 INFO kablam! 
Sep 05 18:11:36.322 INFO kablam! Caused by:
Sep 05 18:11:36.322 INFO kablam!   Read-only file system (os error 30)
Sep 05 18:11:36.322 INFO kablam! su: No module specific data is present
Sep 05 18:11:37.737 INFO running `"docker" "rm" "-f" "4e18cd1c40b5517634b273892a59acae3af17825743b2b798f37acd9a52bebf6"`
Sep 05 18:11:38.033 INFO blam! 4e18cd1c40b5517634b273892a59acae3af17825743b2b798f37acd9a52bebf6