Dec 19 07:41:52.644 INFO checking syntheticsh/rust_ffmpeg_play against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 07:41:52.644 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/syntheticsh/rust_ffmpeg_play:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 07:41:53.294 INFO [stdout] 0798840a4755b1762ce62bc4a16cc0815e5f9d5bfa748172c7b4219a8968d050
Dec 19 07:41:53.296 INFO running `"docker" "start" "-a" "0798840a4755b1762ce62bc4a16cc0815e5f9d5bfa748172c7b4219a8968d050"`
Dec 19 07:41:55.664 INFO [stderr] error: failed to load source for a dependency on `ffmpeg`
Dec 19 07:41:55.664 INFO [stderr] 
Dec 19 07:41:55.664 INFO [stderr] Caused by:
Dec 19 07:41:55.664 INFO [stderr]   Unable to update https://github.com/meh/rust-ffmpeg.git#dc6ace91
Dec 19 07:41:55.664 INFO [stderr] 
Dec 19 07:41:55.664 INFO [stderr] Caused by:
Dec 19 07:41:55.664 INFO [stderr]   failed to open: /opt/crater/cargo-home/git/.cargo-lock-git
Dec 19 07:41:55.664 INFO [stderr] 
Dec 19 07:41:55.664 INFO [stderr] Caused by:
Dec 19 07:41:55.664 INFO [stderr]   Read-only file system (os error 30)
Dec 19 07:41:56.878 INFO running `"docker" "inspect" "0798840a4755b1762ce62bc4a16cc0815e5f9d5bfa748172c7b4219a8968d050"`
Dec 19 07:41:57.226 INFO running `"docker" "rm" "-f" "0798840a4755b1762ce62bc4a16cc0815e5f9d5bfa748172c7b4219a8968d050"`
Dec 19 07:41:57.604 INFO [stdout] 0798840a4755b1762ce62bc4a16cc0815e5f9d5bfa748172c7b4219a8968d050