Sep 05 17:53:02.889 INFO checking onur/docs.rs against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 05 17:53:02.890 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 05 17:53:02.890 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-6/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 17:53:03.270 INFO blam! 57dc6656e813e86a87ee965908423e476044a8584142cd9a1edfeb403212fc77
Sep 05 17:53:03.278 INFO running `"docker" "start" "-a" "57dc6656e813e86a87ee965908423e476044a8584142cd9a1edfeb403212fc77"`
Sep 05 17:53:05.118 INFO kablam! usermod: no changes
Sep 05 17:53:05.206 INFO kablam! error: failed to load source for a dependency on `cargo`
Sep 05 17:53:05.206 INFO kablam! 
Sep 05 17:53:05.206 INFO kablam! Caused by:
Sep 05 17:53:05.206 INFO kablam!   Unable to update https://github.com/onur/cargo.git?branch=docs.rs#a2996e83
Sep 05 17:53:05.206 INFO kablam! 
Sep 05 17:53:05.206 INFO kablam! Caused by:
Sep 05 17:53:05.206 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 05 17:53:05.206 INFO kablam! 
Sep 05 17:53:05.206 INFO kablam! Caused by:
Sep 05 17:53:05.206 INFO kablam!   Read-only file system (os error 30)
Sep 05 17:53:05.210 INFO kablam! su: No module specific data is present
Sep 05 17:53:06.790 INFO running `"docker" "rm" "-f" "57dc6656e813e86a87ee965908423e476044a8584142cd9a1edfeb403212fc77"`
Sep 05 17:53:07.106 INFO blam! 57dc6656e813e86a87ee965908423e476044a8584142cd9a1edfeb403212fc77