Sep 03 20:56:58.399 INFO checking onur/docs.rs against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 03 20:56:58.399 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 03 20:56:58.399 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-2/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 03 20:56:58.616 INFO blam! ddc204accb6d6775fcbd88df6a9f011beb6703317b2a6fde41a6bc0fdce08dab
Sep 03 20:56:58.616 INFO running `"docker" "start" "-a" "ddc204accb6d6775fcbd88df6a9f011beb6703317b2a6fde41a6bc0fdce08dab"`
Sep 03 20:57:00.106 INFO kablam! error: failed to load source for a dependency on `cargo`
Sep 03 20:57:00.106 INFO kablam! 
Sep 03 20:57:00.106 INFO kablam! Caused by:
Sep 03 20:57:00.107 INFO kablam!   Unable to update https://github.com/onur/cargo.git?branch=docs.rs#a2996e83
Sep 03 20:57:00.107 INFO kablam! 
Sep 03 20:57:00.107 INFO kablam! Caused by:
Sep 03 20:57:00.107 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 03 20:57:00.107 INFO kablam! 
Sep 03 20:57:00.107 INFO kablam! Caused by:
Sep 03 20:57:00.107 INFO kablam!   Read-only file system (os error 30)
Sep 03 20:57:00.109 INFO kablam! su: No module specific data is present
Sep 03 20:57:01.051 INFO running `"docker" "rm" "-f" "ddc204accb6d6775fcbd88df6a9f011beb6703317b2a6fde41a6bc0fdce08dab"`
Sep 03 20:57:01.213 INFO blam! ddc204accb6d6775fcbd88df6a9f011beb6703317b2a6fde41a6bc0fdce08dab