[INFO] updating cached repository juliangrosshauser/url_shortener
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/juliangrosshauser/url_shortener
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/juliangrosshauser/url_shortener" "work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/juliangrosshauser/url_shortener"`
[INFO] [stderr] Cloning into 'work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/juliangrosshauser/url_shortener'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/juliangrosshauser/url_shortener" "work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/juliangrosshauser/url_shortener"`
[INFO] [stderr] Cloning into 'work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/juliangrosshauser/url_shortener'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7120b144d77cd7bde4f88e94aec900e941d426ae
[INFO] sha for GitHub repo juliangrosshauser/url_shortener: 7120b144d77cd7bde4f88e94aec900e941d426ae
[INFO] validating manifest of juliangrosshauser/url_shortener on toolchain master#003382e4150984cb476047b3925edf8d75df2d59
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of juliangrosshauser/url_shortener on toolchain try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing juliangrosshauser/url_shortener
[INFO] finished frobbing juliangrosshauser/url_shortener
[INFO] frobbed toml for juliangrosshauser/url_shortener written to work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/juliangrosshauser/url_shortener/Cargo.toml
[INFO] started frobbing juliangrosshauser/url_shortener
[INFO] finished frobbing juliangrosshauser/url_shortener
[INFO] frobbed toml for juliangrosshauser/url_shortener written to work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/juliangrosshauser/url_shortener/Cargo.toml
[INFO] crate juliangrosshauser/url_shortener already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/juliangrosshauser/url_shortener/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/servo/rust-url`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/servo/rust-url`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking juliangrosshauser/url_shortener against master#003382e4150984cb476047b3925edf8d75df2d59 for pr-59527
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59527/worker-3/master#003382e4150984cb476047b3925edf8d75df2d59:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/juliangrosshauser/url_shortener:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8bbf2955dee1fc96a867f311dc8ca88dd2d19dceba1e4d20f65c23f54d898de9
[INFO] running `"docker" "start" "-a" "8bbf2955dee1fc96a867f311dc8ca88dd2d19dceba1e4d20f65c23f54d898de9"`
[INFO] [stderr] error: failed to load source for a dependency on `url`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update https://github.com/servo/rust-url#a1d8c884
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to open: /opt/crater/cargo-home/git/.cargo-lock-git
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `"docker" "inspect" "8bbf2955dee1fc96a867f311dc8ca88dd2d19dceba1e4d20f65c23f54d898de9"`
[INFO] running `"docker" "rm" "-f" "8bbf2955dee1fc96a867f311dc8ca88dd2d19dceba1e4d20f65c23f54d898de9"`
[INFO] [stdout] 8bbf2955dee1fc96a867f311dc8ca88dd2d19dceba1e4d20f65c23f54d898de9