Dec 17 15:11:03.237 INFO checking smolkov/mdbook-mosta against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 15:11:03.237 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/smolkov/mdbook-mosta:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 15:11:03.667 INFO [stdout] 414d4e9d5e0697c1e8ce61821da0cfd270a12ad775af86200ab70532b36b2b69
Dec 17 15:11:03.669 INFO running `"docker" "start" "-a" "414d4e9d5e0697c1e8ce61821da0cfd270a12ad775af86200ab70532b36b2b69"`
Dec 17 15:11:05.454 INFO [stderr] error: failed to load source for a dependency on `mdbook`
Dec 17 15:11:05.454 INFO [stderr] 
Dec 17 15:11:05.454 INFO [stderr] Caused by:
Dec 17 15:11:05.454 INFO [stderr]   Unable to update https://github.com/badboy/mdBook?branch=fix-section-numbering#e6f0ef64
Dec 17 15:11:05.454 INFO [stderr] 
Dec 17 15:11:05.454 INFO [stderr] Caused by:
Dec 17 15:11:05.454 INFO [stderr]   failed to open: /opt/crater/cargo-home/git/.cargo-lock-git
Dec 17 15:11:05.454 INFO [stderr] 
Dec 17 15:11:05.454 INFO [stderr] Caused by:
Dec 17 15:11:05.454 INFO [stderr]   Read-only file system (os error 30)
Dec 17 15:11:06.280 INFO running `"docker" "inspect" "414d4e9d5e0697c1e8ce61821da0cfd270a12ad775af86200ab70532b36b2b69"`
Dec 17 15:11:06.656 INFO running `"docker" "rm" "-f" "414d4e9d5e0697c1e8ce61821da0cfd270a12ad775af86200ab70532b36b2b69"`
Dec 17 15:11:06.900 INFO [stdout] 414d4e9d5e0697c1e8ce61821da0cfd270a12ad775af86200ab70532b36b2b69