Jul 11 13:46:36.567 INFO checking onur/docs.rs against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 11 13:46:36.567 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 11 13:46:36.567 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 11 13:46:36.568 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-3/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/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=500" "-e" "CMD=cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 11 13:46:36.802 INFO blam! 4f782240c5029365b0679fbadd975f55ee52c0d558be131655681c3daa424b78
Jul 11 13:46:36.805 INFO running `"docker" "start" "-a" "4f782240c5029365b0679fbadd975f55ee52c0d558be131655681c3daa424b78"`
Jul 11 13:46:38.120 INFO kablam! error: failed to load source for a dependency on `cargo`
Jul 11 13:46:38.120 INFO kablam! 
Jul 11 13:46:38.120 INFO kablam! Caused by:
Jul 11 13:46:38.120 INFO kablam!   Unable to update https://github.com/onur/cargo.git?branch=docs.rs#a2996e83
Jul 11 13:46:38.120 INFO kablam! 
Jul 11 13:46:38.120 INFO kablam! Caused by:
Jul 11 13:46:38.120 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Jul 11 13:46:38.120 INFO kablam! 
Jul 11 13:46:38.120 INFO kablam! Caused by:
Jul 11 13:46:38.120 INFO kablam!   Read-only file system (os error 30)
Jul 11 13:46:38.128 INFO kablam! su: No module specific data is present
Jul 11 13:46:38.742 INFO running `"docker" "rm" "-f" "4f782240c5029365b0679fbadd975f55ee52c0d558be131655681c3daa424b78"`
Jul 11 13:46:38.908 INFO blam! 4f782240c5029365b0679fbadd975f55ee52c0d558be131655681c3daa424b78