Dec 19 10:15:00.390 INFO checking rep-nop/cargo-localreg against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 10:15:00.390 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/rep-nop/cargo-localreg:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 10:15:00.818 INFO [stdout] cba379c443723044f638b4d374b34b9d10dcebb7a1f8783f88399d0bc57aa2e9
Dec 19 10:15:00.822 INFO running `"docker" "start" "-a" "cba379c443723044f638b4d374b34b9d10dcebb7a1f8783f88399d0bc57aa2e9"`
Dec 19 10:15:02.116 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 19 10:15:02.119 INFO [stderr] error: failed to load source for a dependency on `cargo`
Dec 19 10:15:02.119 INFO [stderr] 
Dec 19 10:15:02.119 INFO [stderr] Caused by:
Dec 19 10:15:02.119 INFO [stderr]   Unable to update https://github.com/rep-nop/cargo?branch=serialize-index-info#8047cf9d
Dec 19 10:15:02.119 INFO [stderr] 
Dec 19 10:15:02.119 INFO [stderr] Caused by:
Dec 19 10:15:02.119 INFO [stderr]   failed to open: /opt/crater/cargo-home/git/.cargo-lock-git
Dec 19 10:15:02.119 INFO [stderr] 
Dec 19 10:15:02.119 INFO [stderr] Caused by:
Dec 19 10:15:02.119 INFO [stderr]   Read-only file system (os error 30)
Dec 19 10:15:02.896 INFO running `"docker" "inspect" "cba379c443723044f638b4d374b34b9d10dcebb7a1f8783f88399d0bc57aa2e9"`
Dec 19 10:15:03.148 INFO running `"docker" "rm" "-f" "cba379c443723044f638b4d374b34b9d10dcebb7a1f8783f88399d0bc57aa2e9"`
Dec 19 10:15:03.476 INFO [stdout] cba379c443723044f638b4d374b34b9d10dcebb7a1f8783f88399d0bc57aa2e9