Sep 20 21:16:37.742 INFO checking rustlings/rustlings against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 20 21:16:37.742 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 20 21:16:37.742 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-2/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 21:16:38.009 INFO blam! 0c95b3c176819b8e409d0c192f41e1269e3916ea53f88b37d6bdee33a28de5d9
Sep 20 21:16:38.011 INFO running `"docker" "start" "-a" "0c95b3c176819b8e409d0c192f41e1269e3916ea53f88b37d6bdee33a28de5d9"`
Sep 20 21:16:39.690 INFO kablam! usermod: no changes
Sep 20 21:16:39.811 INFO kablam! error: failed to load source for a dependency on `prlink`
Sep 20 21:16:39.811 INFO kablam! 
Sep 20 21:16:39.811 INFO kablam! Caused by:
Sep 20 21:16:39.811 INFO kablam!   Unable to update https://github.com/btbytes/prlink#f0536ed3
Sep 20 21:16:39.811 INFO kablam! 
Sep 20 21:16:39.811 INFO kablam! Caused by:
Sep 20 21:16:39.811 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 20 21:16:39.811 INFO kablam! 
Sep 20 21:16:39.811 INFO kablam! Caused by:
Sep 20 21:16:39.811 INFO kablam!   Read-only file system (os error 30)
Sep 20 21:16:39.827 INFO kablam! su: No module specific data is present
Sep 20 21:16:40.569 INFO running `"docker" "rm" "-f" "0c95b3c176819b8e409d0c192f41e1269e3916ea53f88b37d6bdee33a28de5d9"`
Sep 20 21:16:40.684 INFO blam! 0c95b3c176819b8e409d0c192f41e1269e3916ea53f88b37d6bdee33a28de5d9