[INFO] updating cached repository DHTMLX/json2excel
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DHTMLX/json2excel
[INFO] [stderr] * branch HEAD -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DHTMLX/json2excel" "work/ex/pr-60620-1/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/DHTMLX/json2excel"`
[INFO] [stderr] Cloning into 'work/ex/pr-60620-1/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/DHTMLX/json2excel'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DHTMLX/json2excel" "work/ex/pr-60620-1/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/DHTMLX/json2excel"`
[INFO] [stderr] Cloning into 'work/ex/pr-60620-1/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/DHTMLX/json2excel'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0883d33aae397ac9fdca11967511115130874274
[INFO] sha for GitHub repo DHTMLX/json2excel: 0883d33aae397ac9fdca11967511115130874274
[INFO] validating manifest of DHTMLX/json2excel on toolchain master#ef01f29964df207f181bd5bcf236e41372a17273
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of DHTMLX/json2excel on toolchain try#a7cff45e655f886da150e206c7acbe984df4ab71
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a7cff45e655f886da150e206c7acbe984df4ab71-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing DHTMLX/json2excel
[INFO] finished frobbing DHTMLX/json2excel
[INFO] frobbed toml for DHTMLX/json2excel written to work/ex/pr-60620-1/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/DHTMLX/json2excel/Cargo.toml
[INFO] started frobbing DHTMLX/json2excel
[INFO] finished frobbing DHTMLX/json2excel
[INFO] frobbed toml for DHTMLX/json2excel written to work/ex/pr-60620-1/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/DHTMLX/json2excel/Cargo.toml
[INFO] crate DHTMLX/json2excel already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a7cff45e655f886da150e206c7acbe984df4ab71-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking DHTMLX/json2excel against try#a7cff45e655f886da150e206c7acbe984df4ab71 for pr-60620-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60620-1/worker-2/try#a7cff45e655f886da150e206c7acbe984df4ab71:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60620-1/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/DHTMLX/json2excel:/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" "+a7cff45e655f886da150e206c7acbe984df4ab71-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6cd43bc4a441d6c3298cb9f7e756b6b13a2bc12ccc6abf1338b18fc40716ef7f
[INFO] running `"docker" "start" "-a" "6cd43bc4a441d6c3298cb9f7e756b6b13a2bc12ccc6abf1338b18fc40716ef7f"`
[INFO] [stderr] error: failed to acquire package cache lock
[INFO] [stderr]
[INFO] [stderr] Caused by:
[INFO] [stderr] failed to open: /opt/crater/cargo-home/.package-cache
[INFO] [stderr]
[INFO] [stderr] Caused by:
[INFO] [stderr] Read-only file system (os error 30)
[INFO] running `"docker" "inspect" "6cd43bc4a441d6c3298cb9f7e756b6b13a2bc12ccc6abf1338b18fc40716ef7f"`
[INFO] running `"docker" "rm" "-f" "6cd43bc4a441d6c3298cb9f7e756b6b13a2bc12ccc6abf1338b18fc40716ef7f"`
[INFO] [stdout] 6cd43bc4a441d6c3298cb9f7e756b6b13a2bc12ccc6abf1338b18fc40716ef7f