[INFO] crate rangemap 0.1.3 is already in cache
[INFO] extracting crate rangemap 0.1.3 into work/ex/pr-60620/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/reg/rangemap/0.1.3
[INFO] extracting crate rangemap 0.1.3 into work/ex/pr-60620/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/reg/rangemap/0.1.3
[INFO] validating manifest of rangemap-0.1.3 on toolchain master#ef01f29964df207f181bd5bcf236e41372a17273
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rangemap-0.1.3 on toolchain try#a7cff45e655f886da150e206c7acbe984df4ab71
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a7cff45e655f886da150e206c7acbe984df4ab71-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rangemap-0.1.3
[INFO] finished frobbing rangemap-0.1.3
[INFO] frobbed toml for rangemap-0.1.3 written to work/ex/pr-60620/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/reg/rangemap/0.1.3/Cargo.toml
[INFO] started frobbing rangemap-0.1.3
[INFO] finished frobbing rangemap-0.1.3
[INFO] frobbed toml for rangemap-0.1.3 written to work/ex/pr-60620/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/reg/rangemap/0.1.3/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a7cff45e655f886da150e206c7acbe984df4ab71-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a7cff45e655f886da150e206c7acbe984df4ab71-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rangemap-0.1.3 against master#ef01f29964df207f181bd5bcf236e41372a17273 for pr-60620
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60620/worker-5/master#ef01f29964df207f181bd5bcf236e41372a17273:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60620/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/reg/rangemap/0.1.3:/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" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1a8dcef3e24e6f0e53ac568eb6132b14a6fb682645df0c7cc71e39f6f57f37ea
[INFO] running `"docker" "start" "-a" "1a8dcef3e24e6f0e53ac568eb6132b14a6fb682645df0c7cc71e39f6f57f37ea"`
[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" "1a8dcef3e24e6f0e53ac568eb6132b14a6fb682645df0c7cc71e39f6f57f37ea"`
[INFO] running `"docker" "rm" "-f" "1a8dcef3e24e6f0e53ac568eb6132b14a6fb682645df0c7cc71e39f6f57f37ea"`
[INFO] [stdout] 1a8dcef3e24e6f0e53ac568eb6132b14a6fb682645df0c7cc71e39f6f57f37ea