Dec 13 01:16:48.712 INFO testing syntheticsh/rust_ffmpeg_play against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 01:16:48.712 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 01:16:49.176 INFO [stdout] 031847cd97f4d989659de202a70295380b2e7d4d5010233957cab85551c4d05b
Dec 13 01:16:49.183 INFO running `"docker" "start" "-a" "031847cd97f4d989659de202a70295380b2e7d4d5010233957cab85551c4d05b"`
Dec 13 01:16:50.639 INFO [stderr] usermod: no changes
Dec 13 01:16:50.639 INFO [stderr] error: failed to load source for a dependency on `ffmpeg`
Dec 13 01:16:50.639 INFO [stderr] 
Dec 13 01:16:50.639 INFO [stderr] Caused by:
Dec 13 01:16:50.639 INFO [stderr]   Unable to update https://github.com/meh/rust-ffmpeg.git#dc6ace91
Dec 13 01:16:50.639 INFO [stderr] 
Dec 13 01:16:50.639 INFO [stderr] Caused by:
Dec 13 01:16:50.639 INFO [stderr]   failed to open: /cargo-home/git/.cargo-lock-git
Dec 13 01:16:50.639 INFO [stderr] 
Dec 13 01:16:50.639 INFO [stderr] Caused by:
Dec 13 01:16:50.639 INFO [stderr]   Read-only file system (os error 30)
Dec 13 01:16:50.639 INFO [stderr] su: No module specific data is present
Dec 13 01:16:51.667 INFO running `"docker" "inspect" "031847cd97f4d989659de202a70295380b2e7d4d5010233957cab85551c4d05b"`
Dec 13 01:16:51.949 INFO running `"docker" "rm" "-f" "031847cd97f4d989659de202a70295380b2e7d4d5010233957cab85551c4d05b"`
Dec 13 01:16:52.379 INFO [stdout] 031847cd97f4d989659de202a70295380b2e7d4d5010233957cab85551c4d05b