Sep 19 16:32:06.411 INFO checking badboy/mdbook-toc against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 19 16:32:06.411 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 19 16:32:06.412 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-4/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 16:32:06.620 INFO blam! f809973d858e3ae0331d2e21115c9874774a344003110617a21794f38d4e5f43
Sep 19 16:32:06.622 INFO running `"docker" "start" "-a" "f809973d858e3ae0331d2e21115c9874774a344003110617a21794f38d4e5f43"`
Sep 19 16:32:07.725 INFO kablam! usermod: no changes
Sep 19 16:32:07.797 INFO kablam! error: failed to load source for a dependency on `mdbook`
Sep 19 16:32:07.797 INFO kablam! 
Sep 19 16:32:07.797 INFO kablam! Caused by:
Sep 19 16:32:07.797 INFO kablam!   Unable to update https://github.com/badboy/mdBook?branch=fix-section-numbering#e6f0ef64
Sep 19 16:32:07.797 INFO kablam! 
Sep 19 16:32:07.797 INFO kablam! Caused by:
Sep 19 16:32:07.797 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 19 16:32:07.798 INFO kablam! 
Sep 19 16:32:07.798 INFO kablam! Caused by:
Sep 19 16:32:07.798 INFO kablam!   Read-only file system (os error 30)
Sep 19 16:32:07.799 INFO kablam! su: No module specific data is present
Sep 19 16:32:12.259 INFO running `"docker" "rm" "-f" "f809973d858e3ae0331d2e21115c9874774a344003110617a21794f38d4e5f43"`
Sep 19 16:32:12.390 INFO blam! f809973d858e3ae0331d2e21115c9874774a344003110617a21794f38d4e5f43